3 * Test vector output management
5 * (c) 2023 Straylight/Edgeware
8 /*----- Licensing notice --------------------------------------------------*
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28 /*----- Header files ------------------------------------------------------*/
48 /*----- Common machinery --------------------------------------------------*/
50 /* --- @regdisp@ --- *
52 * Arguments: @unsigned disp@ = a @TVRD_...@ disposition code
54 * Returns: A human-readable adjective describing the register
58 static const char *regdisp(unsigned disp)
61 case TVRD_INPUT: return "input";
62 case TVRD_OUTPUT: return "output";
63 case TVRD_MATCH: return "matched";
64 case TVRD_FOUND: return "found";
65 case TVRD_EXPECT: return "expected";
70 /* --- @getenv_boolean@ --- *
72 * Arguments: @const char *var@ = environment variable name
73 * @int dflt@ = default value
75 * Returns: @0@ if the variable is set to something falseish, @1@ if it's
76 * set to something truish, or @dflt@ otherwise.
79 static int getenv_boolean(const char *var, int dflt)
86 else if (STRCMP(p, ==, "y") || STRCMP(p, ==, "yes") ||
87 STRCMP(p, ==, "t") || STRCMP(p, ==, "true") ||
88 STRCMP(p, ==, "on") || STRCMP(p, ==, "force") ||
91 else if (STRCMP(p, ==, "n") || STRCMP(p, ==, "no") ||
92 STRCMP(p, ==, "f") || STRCMP(p, ==, "false") ||
93 STRCMP(p, ==, "nil") || STRCMP(p, ==, "off") ||
97 moan("ignoring unexpected value `%s' for environment variable `%s'",
103 /* --- @register_maxnamelen@ --- *
105 * Arguments: @const struct tvec_state *tv@ = test vector state
107 * Returns: The maximum length of a register name in the current test.
110 static int register_maxnamelen(const struct tvec_state *tv)
112 const struct tvec_regdef *rd;
115 for (rd = tv->test->regs; rd->name; rd++)
116 { n = strlen(rd->name); if (n > maxlen) maxlen = n; }
120 /*----- Output layout -----------------------------------------------------*/
122 /* We have two main jobs in output layout: trimming trailing blanks; and
123 * adding a prefix to each line.
125 * This is somehow much more complicated than it ought to be.
129 FILE *fp; /* output file */
130 const char *prefix, *pfxtail, *pfxlim; /* prefix pointers */
131 dstr w; /* trailing whitespace */
132 unsigned f; /* flags */
133 #define LYTF_NEWL 1u /* start of output line */
136 /* Support macros. These assume `lyt' is defined as a pointer to the `struct
140 #define SPLIT_RANGE(tail, base, limit) do { \
141 /* Set TAIL to point just after the last nonspace character between \
142 * BASE and LIMIT. If there are no nonspace characters, then set \
143 * TAIL to equal BASE. \
146 for (tail = limit; tail > base && ISSPACE(tail[-1]); tail--); \
149 #define PUT_RANGE(base, limit) do { \
150 /* Write the range of characters between BASE and LIMIT to the output \
151 * file. Return immediately on error. \
154 size_t _n = limit - base; \
155 if (_n && fwrite(base, 1, _n, lyt->fp) < _n) return (-1); \
158 #define PUT_CHAR(ch) do { \
159 /* Write CH to the output. Return immediately on error. */ \
161 if (putc(ch, lyt->fp) == EOF) return (-1); \
164 #define PUT_PREFIX do { \
165 /* Output the prefix, if there is one. Return immediately on error. */ \
167 if (lyt->prefix) PUT_RANGE(lyt->prefix, lyt->pfxlim); \
170 #define PUT_SAVED do { \
171 /* Output the saved trailing blank material in the buffer. */ \
173 size_t _n = lyt->w.len; \
174 if (_n && fwrite(lyt->w.buf, 1, _n, lyt->fp) < _n) return (-1); \
177 #define PUT_PFXINB do { \
178 /* Output the initial nonblank portion of the prefix, if there is \
179 * one. Return immediately on error. \
182 if (lyt->prefix) PUT_RANGE(lyt->prefix, lyt->pfxtail); \
185 #define SAVE_PFXTAIL do { \
186 /* Save the trailing blank portion of the prefix. */ \
189 DPUTM(&lyt->w, lyt->pfxtail, lyt->pfxlim - lyt->pfxtail); \
192 /* --- @set_layout_prefix@ --- *
194 * Arguments: @struct layout *lyt@ = layout state
195 * @const char *prefix@ = new prefix string or null
199 * Use: Change the configured prefix string. The change takes effect
200 * at the start of the next line (or the current line if it's
201 * empty or only whitespace so far).
204 static void set_layout_prefix(struct layout *lyt, const char *prefix)
208 if (!prefix || !*prefix)
209 lyt->prefix = lyt->pfxtail = lyt->pfxlim = 0;
211 lyt->prefix = prefix;
212 l = lyt->pfxlim = prefix + strlen(prefix);
213 SPLIT_RANGE(q, prefix, l); lyt->pfxtail = q;
217 /* --- @init_layout@ --- *
219 * Arguments: @struct layout *lyt@ = layout state to initialize
220 * @FILE *fp@ = output file
221 * @const char *prefix@ = prefix string (or null if empty)
225 * Use: Initialize a layout state.
228 static void init_layout(struct layout *lyt, FILE *fp, const char *prefix)
232 dstr_create(&lyt->w);
233 set_layout_prefix(lyt, prefix);
236 /* --- @destroy_layout@ --- *
238 * Arguments: @struct layout *lyt@ = layout state
239 * @unsigned f@ = flags (@DLF_...@)
243 * Use: Releases a layout state and the resources it holds.
244 * Close the file if @DLF_CLOSE@ is set in @f@; otherwise leave
245 * it open (in case it's @stderr@ or something).
249 static void destroy_layout(struct layout *lyt, unsigned f)
251 if (f&DLF_CLOSE) fclose(lyt->fp);
252 dstr_destroy(&lyt->w);
255 /* --- @layout_char@ --- *
257 * Arguments: @struct layout *lyt@ = layout state
258 * @int ch@ = character to write
260 * Returns: Zero on success, @-1@ on failure.
262 * Use: Write a single character to the output.
265 static int layout_char(struct layout *lyt, int ch)
268 if (lyt->f&LYTF_NEWL) PUT_PFXINB;
269 PUT_CHAR('\n'); lyt->f |= LYTF_NEWL; DRESET(&lyt->w);
270 } else if (isspace(ch))
273 if (lyt->f&LYTF_NEWL) { PUT_PFXINB; lyt->f &= ~LYTF_NEWL; }
274 PUT_SAVED; PUT_CHAR(ch); DRESET(&lyt->w);
279 /* --- @layout_string@ --- *
281 * Arguments: @struct layout *lyt@ = layout state
282 * @const char *p@ = string to write
283 * @size_t sz@ = length of string
285 * Returns: Zero on success, @-1@ on failure.
287 * Use: Write a string to the output.
290 static int layout_string(struct layout *lyt, const char *p, size_t sz)
292 const char *q, *r, *l = p + sz;
294 /* This is rather vexing. There are a small number of jobs to do, but the
295 * logic for deciding which to do when gets rather hairy if, as I've tried
296 * here, one aims to minimize the number of decisions being checked, so
297 * it's worth canning them into macros.
299 * Here, a `blank' is a whitespace character other than newline. The input
300 * buffer consists of one or more `segments', each of which consists of:
302 * * an initial portion, which is either empty or ends with a nonblank
305 * * a suffix which consists only of blanks; and
307 * * an optional newline.
309 * All segments except the last end with a newline.
312 #define SPLIT_SEGMENT do { \
313 /* Determine the bounds of the current segment. If there is a final \
314 * newline, then q is non-null and points to this newline; otherwise, \
315 * q is null. The initial portion of the segment lies between p .. r \
316 * and the blank suffix lies between r .. q (or r .. l if q is null). \
317 * This sounds awkward, but the suffix is only relevant if there is \
321 q = memchr(p, '\n', l - p); SPLIT_RANGE(r, p, q ? q : l); \
324 #define PUT_NONBLANK do { \
325 /* Output the initial portion of the segment. */ \
330 #define PUT_NEWLINE do { \
331 /* Write a newline, and advance to the next segment. */ \
333 PUT_CHAR('\n'); p = q + 1; \
336 #define SAVE_TAIL do { \
337 /* Save the trailing blank portion of the segment in the buffer. \
338 * Assumes that there is no newline, since otherwise the suffix would \
342 DPUTM(&lyt->w, r, l - r); \
345 /* Determine the bounds of the first segment. Handling this is the most
346 * complicated part of this function.
351 /* This is the only segment. We'll handle the whole thing here.
353 * If there's an initial nonblank portion, then we need to write that
354 * out. Furthermore, if we're at the start of the line then we'll need
355 * to write the prefix, and if there's saved blank material then we'll
356 * need to write that. Otherwise, there's only blank stuff, which we
357 * accumulate in the buffer.
359 * If we're at the start of a line here, then put the prefix followed by
360 * any saved whitespace, and then our initial nonblank portion. Then
361 * save our new trailing space.
365 if (lyt->f&LYTF_NEWL) { PUT_PREFIX; lyt->f &= ~LYTF_NEWL; }
366 PUT_SAVED; PUT_NONBLANK; DRESET(&lyt->w);
372 /* There is at least one more segment, so we know that there'll be a line
376 if (lyt->f&LYTF_NEWL) PUT_PREFIX;
377 PUT_SAVED; PUT_NONBLANK;
378 } else if (lyt->f&LYTF_NEWL)
380 PUT_NEWLINE; DRESET(&lyt->w);
383 /* Main loop over whole segments with trailing newlines. For each one, we
384 * know that we're starting at the beginning of a line and there's a final
385 * newline, so we write the initial prefix and drop the trailing blanks.
388 if (r > p) { PUT_PREFIX; PUT_NONBLANK; }
394 /* At the end, there's no final newline. If there's nonblank material,
395 * then we can write the prefix and the nonblank stuff. Otherwise, stash
396 * the blank stuff (including the trailing blanks of the prefix) and leave
397 * the newline flag set.
399 if (r > p) { PUT_PREFIX; PUT_NONBLANK; lyt->f &= ~LYTF_NEWL; }
400 else { lyt->f |= LYTF_NEWL; SAVE_PFXTAIL; }
419 /*----- Human-readable output ---------------------------------------------*/
421 /* Attributes for colour output. This should be done better, but @terminfo@
424 * An attribute byte holds a foreground colour in the low nibble, a
425 * background colour in the next nibble, and some flags in the next few
426 * bits. A colour is expressed in classic 1-bit-per-channel style, with red,
427 * green, and blue in bits 0, 1, and 2, and a `bright' flag in bit 3.
429 #define HAF_FGMASK 0x0f /* foreground colour mask */
430 #define HAF_FGSHIFT 0 /* foreground colour shift */
431 #define HAF_BGMASK 0xf0 /* background colour mask */
432 #define HAF_BGSHIFT 4 /* background colour shift */
433 #define HAF_FG 256u /* set foreground? */
434 #define HAF_BG 512u /* set background? */
435 #define HAF_BOLD 1024u /* set bold? */
436 #define HCOL_BLACK 0u /* colour codes... */
438 #define HCOL_GREEN 2u
439 #define HCOL_YELLOW 3u
441 #define HCOL_MAGENTA 5u
443 #define HCOL_WHITE 7u
444 #define HCF_BRIGHT 8u /* bright colour flag */
445 #define HFG(col) (HAF_FG | (HCOL_##col) << HAF_FGSHIFT) /* set foreground */
446 #define HBG(col) (HAF_BG | (HCOL_##col) << HAF_BGSHIFT) /* set background */
448 /* Predefined attributes. */
449 #define HA_PLAIN 0 /* nothing special: terminal defaults */
450 #define HA_LOC (HFG(CYAN)) /* filename or line number */
451 #define HA_LOCSEP (HFG(BLUE)) /* location separator `:' */
452 #define HA_ERR (HFG(MAGENTA) | HAF_BOLD) /* error messages */
453 #define HA_NOTE (HFG(YELLOW)) /* notices */
454 #define HA_UNKLEV (HFG(WHITE) | HBG(RED) | HAF_BOLD) /* unknown level */
455 #define HA_UNSET (HFG(YELLOW)) /* register not set */
456 #define HA_FOUND (HFG(RED)) /* incorrect output value */
457 #define HA_EXPECT (HFG(GREEN)) /* what the value should have been */
458 #define HA_WIN (HFG(GREEN)) /* reporting success */
459 #define HA_LOSE (HFG(RED) | HAF_BOLD) /* reporting failure */
460 #define HA_XFAIL (HFG(BLUE) | HAF_BOLD) /* reporting expected failure */
461 #define HA_SKIP (HFG(YELLOW)) /* reporting a skipped test/group */
463 /* Scoreboard indicators. */
464 #define HSB_WIN '.' /* test passed */
465 #define HSB_LOSE 'x' /* test failed */
466 #define HSB_XFAIL 'o' /* test failed expectedly */
467 #define HSB_SKIP '_' /* test wasn't run */
469 struct human_output {
470 struct tvec_output _o; /* output base class */
471 struct tvec_state *tv; /* stashed testing state */
472 struct layout lyt; /* output layout */
473 char *outbuf; size_t outsz; /* buffer for formatted output */
474 dstr scoreboard; /* history of test group results */
475 unsigned attr; /* current terminal attributes */
476 int maxlen; /* longest register name */
477 unsigned f; /* flags */
478 #define HOF_TTY 1u /* writing to terminal */
479 #define HOF_DUPERR 2u /* duplicate errors to stderr */
480 #define HOF_COLOUR 4u /* print in angry fruit salad */
481 #define HOF_PROGRESS 8u /* progress display is active */
484 /* --- @set_colour@ --- *
486 * Arguments: @FILE *fp@ = output stream to write on
487 * @int *sep_inout@ = where to maintain separator
488 * @const char *norm@ = prefix for normal colour
489 * @const char *bright@ = prefix for bright colour
490 * @unsigned colour@ = four bit colour code
494 * Use: Write to the output stream @fp@, the current character at
495 * @*sep_inout@, if that's not zero, followed by either @norm@
496 * or @bright@, according to whether the @HCF_BRIGHT@ flag is
497 * set in @colour@, followed by the plain colour code from
498 * @colour@; finally, update @*sep_inout@ to be a `%|;|%'.
500 * This is an internal subroutine for @setattr@ below.
503 static void set_colour(FILE *fp, int *sep_inout,
504 const char *norm, const char *bright,
507 if (*sep_inout) putc(*sep_inout, fp);
508 fprintf(fp, "%s%d", colour&HCF_BRIGHT ? bright : norm, colour&7);
512 /* --- @setattr@ --- *
514 * Arguments: @struct human_output *h@ = output state
515 * @unsigned attr@ = attribute code to set
519 * Use: Send a control sequence to the output stream so that
520 * subsequent text is printed with the given attributes.
522 * Some effort is taken to avoid unnecessary control sequences.
523 * In particular, if @attr@ matches the current terminal
524 * settings already, then nothing is written.
527 static void setattr(struct human_output *h, unsigned attr)
529 unsigned diff = h->attr ^ attr;
532 /* If there's nothing to do, we might as well stop now. */
533 if (!diff || !(h->f&HOF_COLOUR)) return;
535 /* Start on the control command. */
536 fputs("\x1b[", h->lyt.fp);
538 /* Change the boldness if necessary. */
540 if (attr&HAF_BOLD) putc('1', h->lyt.fp);
541 else { putc('0', h->lyt.fp); diff = h->attr; }
545 /* Change the foreground colour if necessary. */
546 if (diff&(HAF_FG | HAF_FGMASK)) {
548 set_colour(h->lyt.fp, &sep, "3", "9",
549 (attr&HAF_FGMASK) >> HAF_FGSHIFT);
551 if (sep) putc(sep, h->lyt.fp);
552 fputs("39", h->lyt.fp); sep = ';';
556 /* Change the background colour if necessary. */
557 if (diff&(HAF_BG | HAF_BGMASK)) {
559 set_colour(h->lyt.fp, &sep, "4", "10",
560 (attr&HAF_BGMASK) >> HAF_BGSHIFT);
562 if (sep) putc(sep, h->lyt.fp);
563 fputs("49", h->lyt.fp); sep = ';';
567 /* Terminate the control command and save the new attributes. */
568 putc('m', h->lyt.fp); h->attr = attr;
571 /* --- @clear_progress@ --- *
573 * Arguments: @struct human_output *h@ = output state
577 * Use: Remove the progress display from the terminal.
579 * If the progress display isn't active then do nothing.
582 static void clear_progress(struct human_output *h)
586 if (h->f&HOF_PROGRESS) {
587 n = strlen(h->tv->test->name) + 2 + h->scoreboard.len;
588 for (i = 0; i < n; i++) fputs("\b \b", h->lyt.fp);
589 h->f &= ~HOF_PROGRESS;
593 /* --- @write_scoreboard_char@ --- *
595 * Arguments: @struct human_output *h@ = output state
596 * @int ch@ = scoreboard character to print
600 * Use: Write a scoreboard character, indicating the outcome of a
601 * test, to the output stream, with appropriate highlighting.
604 static void write_scoreboard_char(struct human_output *h, int ch)
607 case HSB_LOSE: setattr(h, HA_LOSE); break;
608 case HSB_SKIP: setattr(h, HA_SKIP); break;
609 case HSB_XFAIL: setattr(h, HA_XFAIL); break;
610 default: setattr(h, HA_PLAIN); break;
612 putc(ch, h->lyt.fp); setattr(h, HA_PLAIN);
615 /* --- @show_progress@ --- *
617 * Arguments: @struct human_output *h@ = output state
621 * Use: Show the progress display, with the record of outcomes for
622 * the current test group.
624 * If the progress display is already active, or the output
625 * stream is not interactive, then nothing happens.
628 static void show_progress(struct human_output *h)
630 struct tvec_state *tv = h->tv;
633 if (tv->test && (h->f&HOF_TTY) && !(h->f&HOF_PROGRESS)) {
634 fprintf(h->lyt.fp, "%s: ", tv->test->name);
635 if (!(h->f&HOF_COLOUR))
636 dstr_write(&h->scoreboard, h->lyt.fp);
637 else for (p = h->scoreboard.buf, l = p + h->scoreboard.len; p < l; p++)
638 write_scoreboard_char(h, *p);
639 fflush(h->lyt.fp); h->f |= HOF_PROGRESS;
643 /* --- @human_writech@, @human_write@, @human_writef@ --- *
645 * Arguments: @void *go@ = output sink, secretly a @struct human_output@
646 * @int ch@ = character to write
647 * @const char *@p@, @size_t sz@ = string (with explicit length)
649 * @const char *p, ...@ = format control string and arguments to
654 * Use: Write characters, strings, or formatted strings to the
655 * output, applying appropriate layout.
657 * For the human output driver, the layout machinery just strips
661 static int human_writech(void *go, int ch)
662 { struct human_output *h = go; return (layout_char(&h->lyt, ch)); }
664 static int human_writem(void *go, const char *p, size_t sz)
665 { struct human_output *h = go; return (layout_string(&h->lyt, p, sz)); }
667 static int human_nwritef(void *go, size_t maxsz, const char *p, ...)
669 struct human_output *h = go;
674 n = gprintf_memputf(&h->outbuf, &h->outsz, maxsz, p, ap);
676 if (layout_string(&h->lyt, h->outbuf, n)) return (-1);
680 static const struct gprintf_ops human_printops =
681 { human_writech, human_writem, human_nwritef };
683 /* --- @human_bsession@ --- *
685 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
687 * @struct tvec_state *tv@ = the test state producing output
691 * Use: Begin a test session.
693 * The human driver just records the test state for later
697 static void human_bsession(struct tvec_output *o, struct tvec_state *tv)
698 { struct human_output *h = (struct human_output *)o; h->tv = tv; }
700 /* --- @report_unusual@ --- *
702 * Arguments: @struct human_output *h@ = output sink
703 * @unsigned nxfail, nskip@ = number of expected failures and
708 * Use: Write (directly on the output stream) a note about expected
709 * failures and/or skipped tests, if there were any.
712 static void report_unusual(struct human_output *h,
713 unsigned nxfail, unsigned nskip)
715 const char *sep = " (";
720 fprintf(h->lyt.fp, "%s%u ", sep, nxfail);
721 setattr(h, HA_XFAIL);
722 fprintf(h->lyt.fp, "expected %s", nxfail == 1 ? "failure" : "failures");
723 setattr(h, HA_PLAIN);
724 sep = ", "; f |= f_any;
728 fprintf(h->lyt.fp, "%s%u ", sep, nskip);
729 setattr(h, HA_SKIP); fputs("skipped", h->lyt.fp); setattr(h, HA_PLAIN);
730 sep = ", "; f |= f_any;
733 if (f&f_any) fputc(')', h->lyt.fp);
738 /* --- @human_esession@ --- *
740 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
743 * Returns: Suggested exit code.
745 * Use: End a test session.
747 * The human driver prints a final summary of the rest results
748 * and returns a suitable exit code.
751 static int human_esession(struct tvec_output *o)
753 struct human_output *h = (struct human_output *)o;
754 struct tvec_state *tv = h->tv;
756 all_win = tv->all[TVOUT_WIN], grps_win = tv->grps[TVOUT_WIN],
757 all_xfail = tv->all[TVOUT_XFAIL],
758 all_lose = tv->all[TVOUT_LOSE], grps_lose = tv->grps[TVOUT_LOSE],
759 all_skip = tv->all[TVOUT_SKIP], grps_skip = tv->grps[TVOUT_SKIP],
760 all_pass = all_win + all_xfail, all_run = all_pass + all_lose,
761 grps_run = grps_win + grps_lose;
764 setattr(h, HA_WIN); fputs("PASSED", h->lyt.fp); setattr(h, HA_PLAIN);
765 fprintf(h->lyt.fp, " %s%u %s",
766 !(all_skip || grps_skip) ? "all " : "",
767 all_pass, all_pass == 1 ? "test" : "tests");
768 report_unusual(h, all_xfail, all_skip);
769 fprintf(h->lyt.fp, " in %u %s",
770 grps_win, grps_win == 1 ? "group" : "groups");
771 report_unusual(h, 0, grps_skip);
773 setattr(h, HA_LOSE); fputs("FAILED", h->lyt.fp); setattr(h, HA_PLAIN);
774 fprintf(h->lyt.fp, " %u out of %u %s",
775 all_lose, all_run, all_run == 1 ? "test" : "tests");
776 report_unusual(h, all_xfail, all_skip);
777 fprintf(h->lyt.fp, " in %u out of %u %s",
778 grps_lose, grps_run, grps_run == 1 ? "group" : "groups");
779 report_unusual(h, 0, grps_skip);
781 fputc('\n', h->lyt.fp);
783 if (tv->f&TVSF_ERROR) {
784 setattr(h, HA_ERR); fputs("ERRORS", h->lyt.fp); setattr(h, HA_PLAIN);
785 fputs(" found in input; tests may not have run correctly\n", h->lyt.fp);
788 h->tv = 0; return (tv->f&TVSF_ERROR ? 2 : all_lose ? 1 : 0);
791 /* --- @human_bgroup@ --- *
793 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
798 * Use: Begin a test group.
800 * The human driver determines the length of the longest
801 * register name, resets the group progress scoreboard, and
802 * activates the progress display.
805 static void human_bgroup(struct tvec_output *o)
807 struct human_output *h = (struct human_output *)o;
809 h->maxlen = register_maxnamelen(h->tv);
810 dstr_reset(&h->scoreboard); show_progress(h);
813 /* --- @human_skipgroup@ --- *
815 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
817 * @const char *excuse@, @va_list *ap@ = reason for skipping the
822 * Use: Report that a test group is being skipped.
824 * The human driver just reports the situation to its output
828 static void human_skipgroup(struct tvec_output *o,
829 const char *excuse, va_list *ap)
831 struct human_output *h = (struct human_output *)o;
834 fprintf(h->lyt.fp, "%s ", h->tv->test->name);
836 show_progress(h); h->f &= ~HOF_PROGRESS;
837 if (h->scoreboard.len) putc(' ', h->lyt.fp);
839 setattr(h, HA_SKIP); fputs("skipped", h->lyt.fp); setattr(h, HA_PLAIN);
840 if (excuse) { fputs(": ", h->lyt.fp); vfprintf(h->lyt.fp, excuse, *ap); }
841 fputc('\n', h->lyt.fp);
844 /* --- @human_egroup@ --- *
846 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
851 * Use: Report that a test group has finished.
853 * The human driver reports a summary of the group's tests.
856 static void human_egroup(struct tvec_output *o)
858 struct human_output *h = (struct human_output *)o;
859 struct tvec_state *tv = h->tv;
860 unsigned win = tv->curr[TVOUT_WIN], xfail = tv->curr[TVOUT_XFAIL],
861 lose = tv->curr[TVOUT_LOSE], skip = tv->curr[TVOUT_SKIP],
862 run = win + lose + xfail;
864 if (h->f&HOF_TTY) h->f &= ~HOF_PROGRESS;
865 else fprintf(h->lyt.fp, "%s:", h->tv->test->name);
868 fprintf(h->lyt.fp, " %u/%u ", lose, run);
869 setattr(h, HA_LOSE); fputs("FAILED", h->lyt.fp); setattr(h, HA_PLAIN);
870 report_unusual(h, xfail, skip);
872 fputc(' ', h->lyt.fp); setattr(h, HA_WIN);
873 fputs("ok", h->lyt.fp); setattr(h, HA_PLAIN);
874 report_unusual(h, xfail, skip);
876 fputc('\n', h->lyt.fp);
879 /* --- @human_btest@ --- *
881 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
886 * Use: Report that a test is starting.
888 * The human driver makes sure the progress display is active.
891 static void human_btest(struct tvec_output *o)
892 { struct human_output *h = (struct human_output *)o; show_progress(h); }
894 /* --- @human_report_location@ --- *
896 * Arguments: @struct human_output *h@ = output state
897 * @FILE *fp@ = stream to write the location on
898 * @const char *file@ = filename
899 * @unsigned lno@ = line number
903 * Use: Print the filename and line number to the output stream @fp@.
904 * Also, if appropriate, print interleaved highlighting control
905 * codes to our usual output stream. If @file@ is null then do
909 static void human_report_location(struct human_output *h, FILE *fp,
910 const char *file, unsigned lno)
915 /* We emit highlighting if @fp@ is our usual output stream, or the
916 * duplicate-errors flag is clear indicating that (we assume) they're
917 * secretly going to the same place anyway. If they're different streams,
918 * though, we have to be careful to keep the highlighting and the actual
924 else if (fp != h->lyt.fp && (h->f&HOF_DUPERR))
925 fprintf(fp, "%s:%u: ", file, lno);
927 if (fp != h->lyt.fp) f |= f_flush;
929 #define FLUSH(fp) do if (f&f_flush) fflush(fp); while (0)
931 setattr(h, HA_LOC); FLUSH(h->lyt.fp);
932 fputs(file, fp); FLUSH(fp);
933 setattr(h, HA_LOCSEP); FLUSH(h->lyt.fp);
934 fputc(':', fp); FLUSH(fp);
935 setattr(h, HA_LOC); FLUSH(h->lyt.fp);
936 fprintf(fp, "%u", lno); FLUSH(fp);
937 setattr(h, HA_LOCSEP); FLUSH(h->lyt.fp);
938 fputc(':', fp); FLUSH(fp);
939 setattr(h, HA_PLAIN); FLUSH(h->lyt.fp);
948 /* --- @human_outcome@, @human_skip@, @human_fail@ --- *
950 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
952 * @unsigned attr@ = attribute to apply to the outcome
953 * @const char *outcome@ = outcome string to report
954 * @const char *detail@, @va_list *ap@ = a detail message
955 * @const char *excuse@, @va_list *ap@ = reason for skipping the
960 * Use: Report that a test has been skipped or failed.
962 * The human driver reports the situation on its output stream.
965 static void human_outcome(struct tvec_output *o,
966 unsigned attr, const char *outcome,
967 const char *detail, va_list *ap)
969 struct human_output *h = (struct human_output *)o;
970 struct tvec_state *tv = h->tv;
973 human_report_location(h, h->lyt.fp, tv->infile, tv->test_lno);
974 fprintf(h->lyt.fp, "`%s' ", tv->test->name);
975 setattr(h, attr); fputs(outcome, h->lyt.fp); setattr(h, HA_PLAIN);
976 if (detail) { fputs(": ", h->lyt.fp); vfprintf(h->lyt.fp, detail, *ap); }
977 fputc('\n', h->lyt.fp);
980 static void human_skip(struct tvec_output *o,
981 const char *excuse, va_list *ap)
982 { human_outcome(o, HA_SKIP, "skipped", excuse, ap); }
983 static void human_fail(struct tvec_output *o,
984 const char *detail, va_list *ap)
985 { human_outcome(o, HA_LOSE, "FAILED", detail, ap); }
987 /* --- @human_dumpreg@ --- *
989 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
991 * @unsigned disp@ = register disposition
992 * @const union tvec_regval *rv@ = register value
993 * @const struct tvec_regdef *rd@ = register definition
997 * Use: Dump a register.
999 * The human driver applies highlighting to mismatching output
1000 * registers, but otherwise delegates to the register type
1001 * handler and the layout machinery.
1004 static void human_dumpreg(struct tvec_output *o,
1005 unsigned disp, const union tvec_regval *rv,
1006 const struct tvec_regdef *rd)
1008 struct human_output *h = (struct human_output *)o;
1009 const char *ds = regdisp(disp); int n = strlen(ds) + strlen(rd->name);
1012 gprintf(&human_printops, h, "%*s%s %s = ",
1013 10 + h->maxlen - n, "", ds, rd->name);
1014 if (h->f&HOF_COLOUR) {
1015 if (!rv) setattr(h, HA_UNSET);
1016 else if (disp == TVRD_FOUND) setattr(h, HA_FOUND);
1017 else if (disp == TVRD_EXPECT) setattr(h, HA_EXPECT);
1019 if (!rv) gprintf(&human_printops, h, "#unset");
1020 else rd->ty->dump(rv, rd, 0, &human_printops, h);
1021 setattr(h, HA_PLAIN); layout_char(&h->lyt, '\n');
1024 /* --- @human_etest@ --- *
1026 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1028 * @unsigned outcome@ = the test outcome
1032 * Use: Report that a test has finished.
1034 * The human driver reactivates the progress display, if
1035 * necessary, and adds a new character for the completed test.
1038 static void human_etest(struct tvec_output *o, unsigned outcome)
1040 struct human_output *h = (struct human_output *)o;
1046 case TVOUT_WIN: ch = HSB_WIN; break;
1047 case TVOUT_LOSE: ch = HSB_LOSE; break;
1048 case TVOUT_XFAIL: ch = HSB_XFAIL; break;
1049 case TVOUT_SKIP: ch = HSB_SKIP; break;
1052 dstr_putc(&h->scoreboard, ch);
1053 write_scoreboard_char(h, ch); fflush(h->lyt.fp);
1057 /* --- @human_bbench@ --- *
1059 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1061 * @const char *ident@ = identifying register values
1062 * @unsigned unit@ = measurement unit (@TVBU_...@)
1066 * Use: Report that a benchmark has started.
1068 * The human driver just prints the start of the benchmark
1072 static void human_bbench(struct tvec_output *o,
1073 const char *ident, unsigned unit)
1075 struct human_output *h = (struct human_output *)o;
1076 struct tvec_state *tv = h->tv;
1079 gprintf(&human_printops, h, "%s %s: ", tv->test->name, ident);
1080 if (h->f&HOF_TTY) fflush(h->lyt.fp);
1083 /* --- @human_ebench@ --- *
1085 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1087 * @const char *ident@ = identifying register values
1088 * @unsigned unit@ = measurement unit (@TVBU_...@)
1089 * @const struct bench_timing *tm@ = measurement
1093 * Use: Report a benchmark's results
1095 * The human driver just delegates to the default benchmark
1096 * reporting, via the layout machinery.
1099 static void human_ebench(struct tvec_output *o,
1100 const char *ident, unsigned unit,
1101 const struct bench_timing *tm)
1103 struct human_output *h = (struct human_output *)o;
1105 tvec_benchreport(&human_printops, h, unit, 0, tm);
1106 layout_char(&h->lyt, '\n');
1109 /* --- @human_report@ --- *
1111 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1113 * @unsigned level@ = message level (@TVLEV_...@)
1114 * @const char *msg@, @va_list *ap@ = format string and
1119 * Use: Report a message to the user.
1121 * The human driver arranges to show the message on @stderr@ as
1122 * well as the usual output, with a certain amount of
1123 * intelligence in case they're both actually the same device.
1126 static void human_report(struct tvec_output *o, unsigned level,
1127 const char *msg, va_list *ap)
1129 struct human_output *h = (struct human_output *)o;
1130 struct tvec_state *tv = h->tv;
1131 const char *levstr; unsigned levattr;
1135 #define f_progress 2u
1137 dstr_vputf(&d, msg, ap); dstr_putc(&d, '\n');
1140 #define CASE(tag, name, val) \
1141 case TVLEV_##tag: levstr = name; levattr = HA_##tag; break;
1143 default: levstr = "??"; levattr = HA_UNKLEV; break;
1146 if (h->lyt.fp != stderr && !(h->f&HOF_DUPERR)) f |= f_flush;
1148 #define FLUSH do if (f&f_flush) fflush(h->lyt.fp); while (0)
1150 if (h->f^HOF_PROGRESS)
1151 { clear_progress(h); fflush(h->lyt.fp); f |= f_progress; }
1152 fprintf(stderr, "%s: ", QUIS);
1153 human_report_location(h, stderr, tv->infile, tv->lno);
1154 setattr(h, levattr); FLUSH; fputs(levstr, stderr); setattr(h, 0); FLUSH;
1155 fputs(": ", stderr); fwrite(d.buf, 1, d.len, stderr);
1159 if (h->f&HOF_DUPERR) {
1160 human_report_location(h, h->lyt.fp, tv->infile, tv->lno);
1161 fprintf(h->lyt.fp, "%s: ", levstr);
1162 fwrite(d.buf, 1, d.len, h->lyt.fp);
1164 if (f&f_progress) show_progress(h);
1170 /* --- @human_destroy@ --- *
1172 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1177 * Use: Release the resources held by the output driver.
1180 static void human_destroy(struct tvec_output *o)
1182 struct human_output *h = (struct human_output *)o;
1184 destroy_layout(&h->lyt,
1185 h->lyt.fp == stdout || h->lyt.fp == stderr ? 0 : DLF_CLOSE);
1186 dstr_destroy(&h->scoreboard);
1187 xfree(h->outbuf); xfree(h);
1190 static const struct tvec_outops human_ops = {
1191 human_bsession, human_esession,
1192 human_bgroup, human_skipgroup, human_egroup,
1193 human_btest, human_skip, human_fail, human_dumpreg, human_etest,
1194 human_bbench, human_ebench,
1199 /* --- @tvec_humanoutput@ --- *
1201 * Arguments: @FILE *fp@ = output file to write on
1203 * Returns: An output formatter.
1205 * Use: Return an output formatter which writes on @fp@ with the
1206 * expectation that a human will be watching and interpreting
1207 * the output. If @fp@ denotes a terminal, the display shows a
1208 * `scoreboard' indicating the outcome of each test case
1209 * attempted, and may in addition use colour and other
1213 struct tvec_output *tvec_humanoutput(FILE *fp)
1215 struct human_output *h;
1218 h = xmalloc(sizeof(*h)); h->_o.ops = &human_ops;
1219 h->f = 0; h->attr = 0;
1221 init_layout(&h->lyt, fp, 0);
1222 h->outbuf = 0; h->outsz = 0;
1224 switch (getenv_boolean("TVEC_TTY", -1)) {
1225 case 1: h->f |= HOF_TTY; break;
1228 if (isatty(fileno(fp))) h->f |= HOF_TTY;
1231 switch (getenv_boolean("TVEC_COLOUR", -1)) {
1232 case 1: h->f |= HOF_COLOUR; break;
1237 if (p && STRCMP(p, !=, "dumb")) h->f |= HOF_COLOUR;
1242 if (fp != stderr && (fp != stdout || !(h->f&HOF_TTY))) h->f |= HOF_DUPERR;
1243 dstr_create(&h->scoreboard);
1247 /*----- Machine-readable output -------------------------------------------*/
1249 struct machine_output {
1250 struct tvec_output _o; /* output base class */
1251 struct tvec_state *tv; /* stashed testing state */
1252 FILE *fp; /* output stream */
1253 char *outbuf; size_t outsz; /* buffer for formatted output */
1254 unsigned grpix, testix; /* group and test indices */
1255 unsigned f; /* flags */
1259 /* --- @machine_writech@, @machine_write@, @machine_writef@ --- *
1261 * Arguments: @void *go@ = output sink, secretly a @struct machine_output@
1262 * @int ch@ = character to write
1263 * @const char *@p@, @size_t sz@ = string (with explicit length)
1265 * @const char *p, ...@ = format control string and arguments to
1270 * Use: Write characters, strings, or formatted strings to the
1271 * output, applying appropriate quoting.
1274 static void machine_escape(struct machine_output *m, int ch)
1277 case 0: fputs("\\0", m->fp); break;
1278 case '\a': fputs("\\a", m->fp); break;
1279 case '\b': fputs("\\b", m->fp); break;
1280 case '\x1b': fputs("\\e", m->fp); break;
1281 case '\f': fputs("\\f", m->fp); break;
1282 case '\n': fputs("\\n", m->fp); break;
1283 case '\r': fputs("\\r", m->fp); break;
1284 case '\t': fputs("\\t", m->fp); break;
1285 case '\v': fputs("\\v", m->fp); break;
1286 case '"': fputs("\\\"", m->fp); break;
1287 case '\\': fputs("\\\\", m->fp); break;
1288 default: fprintf(m->fp, "\\x{%02x}", ch);
1292 static int machine_writech(void *go, int ch)
1294 struct machine_output *m = go;
1296 if (ISPRINT(ch)) putc(ch, m->fp);
1297 else machine_escape(m, ch);
1301 static int machine_writem(void *go, const char *p, size_t sz)
1303 struct machine_output *m = go;
1304 const char *q, *l = p + sz;
1309 if (q >= l) goto final;
1310 if (!ISPRINT(*q) || *q == '\\' || *q == '"') break;
1313 if (p < q) fwrite(p, 1, q - p, m->fp);
1314 p = q; machine_escape(m, (unsigned char)*p++);
1317 if (p < l) fwrite(p, 1, l - p, m->fp);
1321 static int machine_nwritef(void *go, size_t maxsz, const char *p, ...)
1323 struct machine_output *m = go;
1328 n = gprintf_memputf(&m->outbuf, &m->outsz, maxsz, p, ap);
1330 return (machine_writem(m, m->outbuf, n));
1333 static const struct gprintf_ops machine_printops =
1334 { machine_writech, machine_writem, machine_nwritef };
1336 /* --- @machine_maybe_quote@ --- *
1338 * Arguments: @struct machine_output *m@ = output sink
1339 * @const char *p@ = pointer to string
1343 * Use: Print the string @p@, quoting it if necessary.
1346 static void machine_maybe_quote(struct machine_output *m, const char *p)
1350 for (q = p; *q; q++)
1351 if (!ISPRINT(*q)) goto quote;
1352 fputs(p, m->fp); return;
1354 putc('"', m->fp); machine_writem(m, p, strlen(p)); putc('"', m->fp);
1357 /* --- @machine_bsession@ --- *
1359 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1361 * @struct tvec_state *tv@ = the test state producing output
1365 * Use: Begin a test session.
1367 * The TAP driver records the test state for later reference,
1368 * initializes the group index counter, and prints the version
1372 static void machine_bsession(struct tvec_output *o, struct tvec_state *tv)
1374 struct machine_output *m = (struct machine_output *)o;
1376 m->tv = tv; m->grpix = 0;
1379 /* --- @machine_show_stats@ --- *
1381 * Arguments: @struct machine_output *m@ = output sink
1382 * @unsigned *out[TVOUT_LIMIT]@ = outcome counter table
1386 * Use: Print a machine readable outcome statistics table
1389 static void machine_show_stats(struct machine_output *m,
1390 unsigned out[TVOUT_LIMIT])
1392 static const char *outtab[] = { "lose", "skip", "xfail", "win" };
1395 for (i = 0; i < TVOUT_LIMIT; i++) {
1396 if (i) putc(' ', m->fp);
1397 fprintf(m->fp, "%s=%u", outtab[i], out[i]);
1401 /* --- @machine_esession@ --- *
1403 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1406 * Returns: Suggested exit code.
1408 * Use: End a test session.
1410 * The TAP driver prints a final summary of the rest results
1411 * and returns a suitable exit code. If errors occurred, it
1412 * instead prints a `Bail out!' line forcing the reader to
1416 static int machine_esession(struct tvec_output *o)
1418 struct machine_output *m = (struct machine_output *)o;
1419 struct tvec_state *tv = m->tv;
1421 fputs("END groups: ", m->fp);
1422 machine_show_stats(m, tv->grps);
1423 fputs("; tests: ", m->fp);
1424 machine_show_stats(m, tv->all);
1426 m->tv = 0; return (tv->f&TVSF_ERROR ? 2 : tv->all[TVOUT_LOSE] ? 1 : 0);
1429 /* --- @machine_bgroup@ --- *
1431 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1436 * Use: Begin a test group.
1438 * The TAP driver determines the length of the longest
1439 * register name, resets the group progress scoreboard, and
1440 * activates the progress display.
1443 static void machine_bgroup(struct tvec_output *o)
1445 struct machine_output *m = (struct machine_output *)o;
1446 struct tvec_state *tv = m->tv;
1448 fputs("BGROUP ", m->fp);
1449 machine_maybe_quote(m, tv->test->name);
1451 m->grpix++; m->testix = 0;
1454 /* --- @machine_skipgroup@ --- *
1456 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1458 * @const char *excuse@, @va_list *ap@ = reason for skipping the
1463 * Use: Report that a test group is being skipped.
1465 * The TAP driver just reports the situation to its output
1469 static void machine_skipgroup(struct tvec_output *o,
1470 const char *excuse, va_list *ap)
1472 struct machine_output *m = (struct machine_output *)o;
1473 struct tvec_state *tv = m->tv;
1475 fputs("BGROUP ", m->fp);
1476 machine_maybe_quote(m, tv->test->name);
1478 fputs(" \"", m->fp);
1479 vgprintf(&machine_printops, m, excuse, ap);
1485 /* --- @machine_egroup@ --- *
1487 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1492 * Use: Report that a test group has finished.
1494 * The TAP driver reports a summary of the group's tests.
1497 static void machine_egroup(struct tvec_output *o)
1499 struct machine_output *m = (struct machine_output *)o;
1500 struct tvec_state *tv = m->tv;
1502 fputs("EGROUP ", m->fp); machine_maybe_quote(m, tv->test->name);
1503 putc(' ', m->fp); machine_show_stats(m, tv->curr);
1507 /* --- @machine_btest@ --- *
1509 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1514 * Use: Report that a test is starting.
1516 * The TAP driver advances its test counter. (We could do this
1517 * by adding up up the counters in @tv->curr@, and add on the
1518 * current test, but it's easier this way.)
1521 static void machine_btest(struct tvec_output *o) { ; }
1523 /* --- @machine_report_location@ --- *
1525 * Arguments: @struct human_output *h@ = output state
1526 * @const char *file@ = filename
1527 * @unsigned lno@ = line number
1531 * Use: Print the filename and line number to the output stream.
1534 static void machine_report_location(struct machine_output *m,
1535 const char *file, unsigned lno)
1536 { machine_maybe_quote(m, file); fprintf(m->fp, ":%u", lno); }
1538 /* --- @machine_outcome@, @machine_skip@, @machine_fail@ --- *
1540 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1542 * @const char *outcome@ = outcome string to report
1543 * @const char *detail@, @va_list *ap@ = a detail message
1544 * @const char *excuse@, @va_list *ap@ = reason for skipping the
1549 * Use: Report that a test has been skipped or failed.
1552 static void machine_outcome(struct tvec_output *o, const char *outcome,
1553 const char *detail, va_list *ap)
1555 struct machine_output *m = (struct machine_output *)o;
1556 struct tvec_state *tv = m->tv;
1558 fprintf(m->fp, "%s %u ", outcome, m->testix);
1559 machine_report_location(m, tv->infile, tv->test_lno);
1561 { putc(' ', m->fp); vgprintf(&machine_printops, m, detail, ap); }
1565 static void machine_skip(struct tvec_output *o,
1566 const char *excuse, va_list *ap)
1567 { machine_outcome(o, "SKIP", excuse, ap); }
1568 static void machine_fail(struct tvec_output *o,
1569 const char *detail, va_list *ap)
1570 { machine_outcome(o, "FAIL", detail, ap); }
1572 /* --- @machine_dumpreg@ --- *
1574 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1576 * @unsigned disp@ = register disposition
1577 * @const union tvec_regval *rv@ = register value
1578 * @const struct tvec_regdef *rd@ = register definition
1582 * Use: Dump a register.
1584 * The TAP driver applies highlighting to mismatching output
1585 * registers, but otherwise delegates to the register type
1586 * handler and the layout machinery. The result is that the
1587 * register dump is marked as a comment and indented.
1590 static void machine_dumpreg(struct tvec_output *o,
1591 unsigned disp, const union tvec_regval *rv,
1592 const struct tvec_regdef *rd)
1594 struct machine_output *m = (struct machine_output *)o;
1600 case TVRD_INPUT: fputs("\tINPUT ", m->fp); f |= f_reg | f_nl; break;
1601 case TVRD_OUTPUT: fputs("\tOUTPUT ", m->fp); f |= f_reg | f_nl; break;
1602 case TVRD_MATCH: fputs("\tMATCH ", m->fp); f |= f_reg | f_nl; break;
1603 case TVRD_FOUND: fputs("\tMISMATCH ", m->fp); f |= f_reg; break;
1604 case TVRD_EXPECT: fputs(" /= ", m->fp); f |= f_nl; break;
1608 if (f&f_reg) fprintf(m->fp, "%s = ", rd->name);
1609 rd->ty->dump(rv, rd, TVSF_RAW, &file_printops, m->fp);
1610 if (f&f_nl) putc('\n', m->fp);
1616 /* --- @machine_etest@ --- *
1618 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1620 * @unsigned outcome@ = the test outcome
1624 * Use: Report that a test has finished.
1626 * The TAP driver reports the outcome of the test, if that's not
1630 static void machine_etest(struct tvec_output *o, unsigned outcome)
1632 struct machine_output *m = (struct machine_output *)o;
1634 if (!(m->f&MF_BENCH)) switch (outcome) {
1635 case TVOUT_WIN: machine_outcome(o, "WIN", 0, 0); break;
1636 case TVOUT_XFAIL: machine_outcome(o, "XFAIL", 0, 0); break;
1638 m->testix++; m->f &= ~MF_BENCH;
1641 /* --- @machine_bbench@ --- *
1643 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1645 * @const char *ident@ = identifying register values
1646 * @unsigned unit@ = measurement unit (@TVBU_...@)
1650 * Use: Report that a benchmark has started.
1652 * The TAP driver does nothing here. All of the reporting
1653 * happens in @machine_ebench@.
1656 static void machine_bbench(struct tvec_output *o,
1657 const char *ident, unsigned unit)
1660 /* --- @machine_ebench@ --- *
1662 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1664 * @const char *ident@ = identifying register values
1665 * @unsigned unit@ = measurement unit (@TVBU_...@)
1666 * @const struct bench_timing *tm@ = measurement
1670 * Use: Report a benchmark's results
1672 * The TAP driver just delegates to the default benchmark
1673 * reporting, via the layout machinery so that the result is
1674 * printed as a comment.
1677 static void machine_ebench(struct tvec_output *o,
1678 const char *ident, unsigned unit,
1679 const struct bench_timing *tm)
1681 struct machine_output *m = (struct machine_output *)o;
1682 struct tvec_state *tv = m->tv;
1684 fprintf(m->fp, "BENCH %u ", m->testix);
1685 machine_report_location(m, tv->infile, tv->test_lno);
1686 fprintf(m->fp, " %s: ", ident);
1687 tvec_benchreport(&file_printops, m->fp, unit, TVSF_RAW, tm);
1688 putc('\n', m->fp); m->f |= MF_BENCH;
1691 /* --- @machine_report@ --- *
1693 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1695 * @unsigned level@ = message level (@TVLEV_...@)
1696 * @const char *msg@, @va_list *ap@ = format string and
1701 * Use: Report a message to the user.
1703 * Messages are reported as comments, so that they can be
1704 * accumulated by the reader. An error will cause a later
1705 * bailout or, if we crash before then, a missing plan line,
1706 * either of which will cause the reader to report a serious
1710 static void machine_report(struct tvec_output *o, unsigned level,
1711 const char *msg, va_list *ap)
1713 struct machine_output *m = (struct machine_output *)o;
1716 for (p = tvec_strlevel(level); *p; p++) putc(TOUPPER(*p), m->fp);
1719 vgprintf(&machine_printops, m, msg, ap);
1724 /* --- @machine_destroy@ --- *
1726 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1731 * Use: Release the resources held by the output driver.
1734 static void machine_destroy(struct tvec_output *o)
1736 struct machine_output *m = (struct machine_output *)o;
1738 if (m->fp != stdout && m->fp != stderr) fclose(m->fp);
1739 xfree(m->outbuf); xfree(m);
1742 static const struct tvec_outops machine_ops = {
1743 machine_bsession, machine_esession,
1744 machine_bgroup, machine_skipgroup, machine_egroup,
1745 machine_btest, machine_skip, machine_fail, machine_dumpreg, machine_etest,
1746 machine_bbench, machine_ebench,
1751 /* --- @tvec_machineoutput@ --- *
1753 * Arguments: @FILE *fp@ = output file to write on
1755 * Returns: An output formatter.
1757 * Use: Return an output formatter which writes on @fp@ in a
1758 * moderately simple machine-readable format.
1761 struct tvec_output *tvec_machineoutput(FILE *fp)
1763 struct machine_output *m;
1765 m = xmalloc(sizeof(*m)); m->_o.ops = &machine_ops;
1766 m->fp = fp; m->outbuf = 0; m->outsz = 0; m->testix = 0;
1770 /*----- Perl's `Test Anything Protocol' -----------------------------------*/
1773 struct tvec_output _o; /* output base class */
1774 struct tvec_state *tv; /* stashed testing state */
1775 struct layout lyt; /* output layout */
1776 char *outbuf; size_t outsz; /* buffer for formatted output */
1777 unsigned grpix, testix; /* group and test indices */
1778 unsigned previx; /* previously reported test index */
1779 int maxlen; /* longest register name */
1782 /* --- @tap_writech@, @tap_write@, @tap_writef@ --- *
1784 * Arguments: @void *go@ = output sink, secretly a @struct tap_output@
1785 * @int ch@ = character to write
1786 * @const char *@p@, @size_t sz@ = string (with explicit length)
1788 * @const char *p, ...@ = format control string and arguments to
1793 * Use: Write characters, strings, or formatted strings to the
1794 * output, applying appropriate layout.
1796 * For the TAP output driver, the layout machinery prefixes each
1797 * line with ` ## ' and strips trailing spaces.
1800 static int tap_writech(void *go, int ch)
1802 struct tap_output *t = go;
1804 if (layout_char(&t->lyt, ch)) return (-1);
1808 static int tap_writem(void *go, const char *p, size_t sz)
1810 struct tap_output *t = go;
1812 if (layout_string(&t->lyt, p, sz)) return (-1);
1816 static int tap_nwritef(void *go, size_t maxsz, const char *p, ...)
1818 struct tap_output *t = go;
1823 n = gprintf_memputf(&t->outbuf, &t->outsz, maxsz, p, ap);
1825 if (layout_string(&t->lyt, t->outbuf, n)) return (-1);
1829 static const struct gprintf_ops tap_printops =
1830 { tap_writech, tap_writem, tap_nwritef };
1832 /* --- @tap_bsession@ --- *
1834 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1836 * @struct tvec_state *tv@ = the test state producing output
1840 * Use: Begin a test session.
1842 * The TAP driver records the test state for later reference,
1843 * initializes the group index counter, and prints the version
1847 static void tap_bsession(struct tvec_output *o, struct tvec_state *tv)
1849 struct tap_output *t = (struct tap_output *)o;
1851 t->tv = tv; t->grpix = 0;
1852 fputs("TAP version 13\n", t->lyt.fp); /* but secretly 14 really */
1855 /* --- @tap_esession@ --- *
1857 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1860 * Returns: Suggested exit code.
1862 * Use: End a test session.
1864 * The TAP driver prints a final summary of the rest results
1865 * and returns a suitable exit code. If errors occurred, it
1866 * instead prints a `Bail out!' line forcing the reader to
1870 static int tap_esession(struct tvec_output *o)
1872 struct tap_output *t = (struct tap_output *)o;
1873 struct tvec_state *tv = t->tv;
1875 if (tv->f&TVSF_ERROR) {
1877 "Errors found in input; tests may not have run correctly\n",
1882 fprintf(t->lyt.fp, "1..%u\n", t->grpix);
1883 t->tv = 0; return (tv->all[TVOUT_LOSE] ? 1 : 0);
1886 /* --- @tap_bgroup@ --- *
1888 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1893 * Use: Begin a test group.
1895 * The TAP driver determines the length of the longest
1896 * register name, resets the group progress scoreboard, and
1897 * activates the progress display.
1900 static void tap_bgroup(struct tvec_output *o)
1902 struct tap_output *t = (struct tap_output *)o;
1903 struct tvec_state *tv = t->tv;
1905 t->grpix++; t->testix = t->previx = 0;
1906 t->maxlen = register_maxnamelen(t->tv);
1907 fprintf(t->lyt.fp, "# Subtest: %s\n", tv->test->name);
1910 /* --- @tap_skipgroup@ --- *
1912 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1914 * @const char *excuse@, @va_list *ap@ = reason for skipping the
1919 * Use: Report that a test group is being skipped.
1921 * The TAP driver just reports the situation to its output
1925 static void tap_skipgroup(struct tvec_output *o,
1926 const char *excuse, va_list *ap)
1928 struct tap_output *t = (struct tap_output *)o;
1930 fprintf(t->lyt.fp, " 1..%u\n", t->testix);
1931 fprintf(t->lyt.fp, "ok %u %s # SKIP", t->grpix, t->tv->test->name);
1932 if (excuse) { fputc(' ', t->lyt.fp); vfprintf(t->lyt.fp, excuse, *ap); }
1933 fputc('\n', t->lyt.fp);
1936 /* --- @tap_egroup@ --- *
1938 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1943 * Use: Report that a test group has finished.
1945 * The TAP driver reports a summary of the group's tests.
1948 static void tap_egroup(struct tvec_output *o)
1950 struct tap_output *t = (struct tap_output *)o;
1951 struct tvec_state *tv = t->tv;
1953 fprintf(t->lyt.fp, " 1..%u\n", t->testix);
1954 fprintf(t->lyt.fp, "%s %u - %s\n",
1955 tv->curr[TVOUT_LOSE] ? "not ok" : "ok",
1956 t->grpix, tv->test->name);
1959 /* --- @tap_btest@ --- *
1961 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1966 * Use: Report that a test is starting.
1968 * The TAP driver advances its test counter. (We could do this
1969 * by adding up up the counters in @tv->curr@, and add on the
1970 * current test, but it's easier this way.)
1973 static void tap_btest(struct tvec_output *o)
1974 { struct tap_output *t = (struct tap_output *)o; t->testix++; }
1976 /* --- @tap_outcome@, @tap_skip@, @tap_fail@ --- *
1978 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
1980 * @const char *head, *tail@ = outcome strings to report
1981 * @const char *detail@, @va_list *ap@ = a detail message
1982 * @const char *excuse@, @va_list *ap@ = reason for skipping the
1987 * Use: Report that a test has been skipped or failed.
1989 * The TAP driver reports the situation on its output stream.
1990 * TAP only allows us to report a single status for each
1991 * subtest, so we notice when we've already reported a status
1992 * for the current test and convert the second report as a
1993 * comment. This should only happen in the case of multiple
1997 static void tap_outcome(struct tvec_output *o,
1998 const char *head, const char *tail,
1999 const char *detail, va_list *ap)
2001 struct tap_output *t = (struct tap_output *)o;
2002 struct tvec_state *tv = t->tv;
2004 fprintf(t->lyt.fp, " %s %u - %s:%u%s",
2005 t->testix == t->previx ? "##" : head,
2006 t->testix, tv->infile, tv->test_lno, tail);
2008 { fputc(' ', t->lyt.fp); vfprintf(t->lyt.fp, detail, *ap); }
2009 fputc('\n', t->lyt.fp);
2010 t->previx = t->testix;
2013 static void tap_skip(struct tvec_output *o, const char *excuse, va_list *ap)
2014 { tap_outcome(o, "ok", " # SKIP", excuse, ap); }
2015 static void tap_fail(struct tvec_output *o, const char *detail, va_list *ap)
2016 { tap_outcome(o, "not ok", "", detail, ap); }
2018 /* --- @tap_dumpreg@ --- *
2020 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2022 * @unsigned disp@ = register disposition
2023 * @const union tvec_regval *rv@ = register value
2024 * @const struct tvec_regdef *rd@ = register definition
2028 * Use: Dump a register.
2030 * The TAP driver applies highlighting to mismatching output
2031 * registers, but otherwise delegates to the register type
2032 * handler and the layout machinery. The result is that the
2033 * register dump is marked as a comment and indented.
2036 static void tap_dumpreg(struct tvec_output *o,
2037 unsigned disp, const union tvec_regval *rv,
2038 const struct tvec_regdef *rd)
2040 struct tap_output *t = (struct tap_output *)o;
2041 const char *ds = regdisp(disp); int n = strlen(ds) + strlen(rd->name);
2043 set_layout_prefix(&t->lyt, " ## ");
2044 gprintf(&tap_printops, t, "%*s%s %s = ",
2045 10 + t->maxlen - n, "", ds, rd->name);
2046 if (!rv) gprintf(&tap_printops, t, "#<unset>");
2047 else rd->ty->dump(rv, rd, 0, &tap_printops, t);
2048 layout_char(&t->lyt, '\n');
2051 /* --- @tap_etest@ --- *
2053 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2055 * @unsigned outcome@ = the test outcome
2059 * Use: Report that a test has finished.
2061 * The TAP driver reports the outcome of the test, if that's not
2065 static void tap_etest(struct tvec_output *o, unsigned outcome)
2069 tap_outcome(o, "ok", "", 0, 0);
2072 tap_outcome(o, "not ok", " # TODO expected failure", 0, 0);
2077 /* --- @tap_bbench@ --- *
2079 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2081 * @const char *ident@ = identifying register values
2082 * @unsigned unit@ = measurement unit (@TVBU_...@)
2086 * Use: Report that a benchmark has started.
2088 * The TAP driver does nothing here. All of the reporting
2089 * happens in @tap_ebench@.
2092 static void tap_bbench(struct tvec_output *o,
2093 const char *ident, unsigned unit)
2096 /* --- @tap_ebench@ --- *
2098 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2100 * @const char *ident@ = identifying register values
2101 * @unsigned unit@ = measurement unit (@TVBU_...@)
2102 * @const struct bench_timing *tm@ = measurement
2106 * Use: Report a benchmark's results
2108 * The TAP driver just delegates to the default benchmark
2109 * reporting, via the layout machinery so that the result is
2110 * printed as a comment.
2113 static void tap_ebench(struct tvec_output *o,
2114 const char *ident, unsigned unit,
2115 const struct bench_timing *tm)
2117 struct tap_output *t = (struct tap_output *)o;
2118 struct tvec_state *tv = t->tv;
2120 set_layout_prefix(&t->lyt, " ## ");
2121 gprintf(&tap_printops, t, "%s %s: ", tv->test->name, ident);
2122 tvec_benchreport(&tap_printops, t, unit, 0, tm);
2123 layout_char(&t->lyt, '\n');
2126 /* --- @tap_report@ --- *
2128 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2130 * @unsigned level@ = message level (@TVLEV_...@)
2131 * @const char *msg@, @va_list *ap@ = format string and
2136 * Use: Report a message to the user.
2138 * Messages are reported as comments, so that they can be
2139 * accumulated by the reader. An error will cause a later
2140 * bailout or, if we crash before then, a missing plan line,
2141 * either of which will cause the reader to report a serious
2145 static void tap_report(struct tvec_output *o, unsigned level,
2146 const char *msg, va_list *ap)
2148 struct tap_output *t = (struct tap_output *)o;
2149 struct tvec_state *tv = t->tv;
2151 if (tv->test) set_layout_prefix(&t->lyt, " ## ");
2152 else set_layout_prefix(&t->lyt, "## ");
2154 if (tv->infile) gprintf(&tap_printops, t, "%s:%u: ", tv->infile, tv->lno);
2155 gprintf(&tap_printops, t, "%s: ", tvec_strlevel(level));
2156 vgprintf(&tap_printops, t, msg, ap);
2157 layout_char(&t->lyt, '\n');
2160 /* --- @tap_destroy@ --- *
2162 * Arguments: @struct tvec_output *o@ = output sink, secretly a @struct
2167 * Use: Release the resources held by the output driver.
2170 static void tap_destroy(struct tvec_output *o)
2172 struct tap_output *t = (struct tap_output *)o;
2174 destroy_layout(&t->lyt,
2175 t->lyt.fp == stdout || t->lyt.fp == stderr ? 0 : DLF_CLOSE);
2176 xfree(t->outbuf); xfree(t);
2179 static const struct tvec_outops tap_ops = {
2180 tap_bsession, tap_esession,
2181 tap_bgroup, tap_skipgroup, tap_egroup,
2182 tap_btest, tap_skip, tap_fail, tap_dumpreg, tap_etest,
2183 tap_bbench, tap_ebench,
2188 /* --- @tvec_tapoutput@ --- *
2190 * Arguments: @FILE *fp@ = output file to write on
2192 * Returns: An output formatter.
2194 * Use: Return an output formatter which writes on @fp@ in `TAP'
2195 * (`Test Anything Protocol') format.
2197 * TAP comes from the Perl community, but has spread rather
2198 * further. This driver produces TAP version 14, but pretends
2199 * to be version 13. The driver produces a TAP `test point' --
2200 * i.e., a result reported as `ok' or `not ok' -- for each input
2201 * test group. Failure reports and register dumps are produced
2202 * as diagnostic messages before the final group result. (TAP
2203 * permits structuerd YAML data after the test-point result,
2204 * which could be used to report details, but (a) postponing the
2205 * details until after the report is inconvenient, and (b) there
2206 * is no standardization for the YAML anyway, so in practice
2207 * it's no more useful than the unstructured diagnostics.
2210 struct tvec_output *tvec_tapoutput(FILE *fp)
2212 struct tap_output *t;
2214 t = xmalloc(sizeof(*t)); t->_o.ops = &tap_ops;
2215 init_layout(&t->lyt, fp, 0);
2216 t->outbuf = 0; t->outsz = 0;
2220 /*----- Default output ----------------------------------------------------*/
2222 /* --- @tvec_dfltoutput@ --- *
2224 * Arguments: @FILE *fp@ = output file to write on
2226 * Returns: An output formatter.
2228 * Use: Selects and instantiates an output formatter suitable for
2229 * writing on @fp@. The policy is subject to change, but
2230 * currently the `human' output format is selected if @fp@ is
2231 * interactive (i.e., if @isatty(fileno(fp))@ is true), and
2232 * otherwise the `tap' format is used.
2235 struct tvec_output *tvec_dfltout(FILE *fp)
2237 int ttyp = getenv_boolean("TVEC_TTY", -1);
2239 if (ttyp == -1) ttyp = isatty(fileno(fp));
2240 if (ttyp) return (tvec_humanoutput(fp));
2241 else return (tvec_tapoutput(fp));
2244 /*----- That's all, folks -------------------------------------------------*/