chiark / gitweb /
gcov to report test coverage
authorRichard Kettlewell <rjk@greenend.org.uk>
Tue, 27 Nov 2007 20:43:03 +0000 (20:43 +0000)
committerRichard Kettlewell <rjk@greenend.org.uk>
Tue, 27 Nov 2007 20:43:03 +0000 (20:43 +0000)
.bzrignore
Makefile.am
acinclude.m4
configure.ac
scripts/Makefile.am
scripts/format-gcov-report [new file with mode: 0755]

index 1b45fb1..3ccc643 100644 (file)
@@ -130,3 +130,11 @@ tests/*.log
 server/disorder-dbupgrade
 doc/disorder-dbupgrade.8.html
 doc/disorder-dbupgrade.8
+*.gcov
+*.gcno
+*.gcda
+*.c.html
+clients/index.html
+disobedience/index.html
+lib/index.html
+server/index.html
index 0b6f5a7..99c4710 100644 (file)
@@ -22,6 +22,21 @@ EXTRA_DIST=TODO CHANGES README.streams BUGS ChangeLog.d      \
 README.upgrades README.client README.mac README.raw
 SUBDIRS=@subdirs@
 
+check-recursive: before-check
+before-check:
+       rm -f */*.gcda */*.gcov
+
+check-report: check make-coverage-reports
+make-coverage-reports:
+       @for subdir in lib plugins server clients disobedience; do \
+         echo cd $$subdir;\
+         cd $$subdir;\
+         echo ${GCOV} *.c | ${PYTHON} ../scripts/format-gcov-report --html . ;\
+         ${GCOV} *.c | ${PYTHON} ../scripts/format-gcov-report --html . ;\
+         echo cd ..;\
+         cd ..;\
+       done
+
 dist-hook:
        bzr log > ${distdir}/ChangeLog.d/bzr-changelog
 
index 562872a..96670f7 100644 (file)
@@ -102,3 +102,15 @@ AC_DEFUN([RJK_REQUIRE_PCRE_UTF8],[
     AC_MSG_ERROR([please rebuild your pcre library with --enable-utf8])
   fi
 ])
+
+AC_DEFUN([RJK_GCOV],[
+  GCOV=${GCOV:-true}
+  AC_ARG_WITH([gcov],
+              [AS_HELP_STRING([--with-gcov],
+                              [Enable coverage testing])],
+              [if test $withval = yes; then
+                 CFLAGS="${CFLAGS} -O0 -fprofile-arcs -ftest-coverage"
+                 GCOV=`echo $CC | sed s'/gcc/gcov/;s/ .*$//'`;
+               fi])
+  AC_SUBST([GCOV],[$GCOV])
+])
index 99b2e97..c38990c 100644 (file)
@@ -466,10 +466,10 @@ if test "x$GCC" = xyes; then
   if test $rjk_cv_shadow = yes; then
     CC="${CC} -Wshadow"
   fi
-                  
-
 fi
 
+RJK_GCOV
+
 AH_BOTTOM([#ifdef __GNUC__
 # define attribute(x) __attribute__(x)
 #else
index 8f1a666..81d022f 100644 (file)
@@ -20,4 +20,5 @@
 
 dist_pkgdata_DATA=completion.bash
 
-EXTRA_DIST=htmlman sedfiles.make text2c oggrename make-unidata
+EXTRA_DIST=htmlman sedfiles.make text2c oggrename make-unidata \
+       format-gcov-report
diff --git a/scripts/format-gcov-report b/scripts/format-gcov-report
new file mode 100755 (executable)
index 0000000..f445329
--- /dev/null
@@ -0,0 +1,100 @@
+#! /usr/bin/env python
+#
+# This file is part of DisOrder.
+# Copyright (C) 2007 Richard Kettlewell
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+# USA
+#
+import re,sys,os,string
+
+def fatal(msg):
+  sys.stderr.write("%s\n" % msg)
+  sys.exit(1)
+
+def sgmlquotechar(c):
+  if c == '&' or c == '<' or ord(c) < 32 or ord(c) > 126:
+    return "&#%d;" % ord(c)
+  else:
+    return c
+
+def sgmlquote(s):
+  return string.join(map(sgmlquotechar, s),'')
+
+percent = {}
+total_lines = 0
+covered_lines = 0
+args = sys.argv[1:]
+htmldir = None
+while len(args) > 0:
+  if args[0] == "--html":
+    htmldir = args[1]
+    args = args[2:]
+  else:
+    fatal("unknown option '%s'" % args[0])
+
+name = None
+for line in sys.stdin:
+  line = line[:-1]
+  r = re.match("File ['`](?:.*/)?([^/]+.c)'", line)
+  if r:
+    name = r.group(1)
+  r = re.match("Lines executed:([0-9\\.]+)% of ([0-9]+)", line)
+  if r:
+    if name:
+      this_pc = float(r.group(1))
+      this_lines = int(r.group(2))
+      percent[name] = this_pc
+      total_lines += this_lines
+      covered_lines += this_lines * this_pc / 100.0
+    name = None
+
+def cmp(a,b):
+  if percent[a] < percent[b]: return -1 
+  elif percent[a] > percent[b]: return 1
+  else: return 0
+
+keys = percent.keys()
+keys.sort(cmp)
+
+if len(keys):
+  for k in keys:
+    print "%20s: %d%%" % (k, percent[k])
+  print "Total coverage: %d%%" % (100 * (covered_lines / total_lines))
+
+if htmldir is not None and len(keys):
+  index = open(os.path.join(htmldir, "index.html"), "w")
+  index.write("<html><head><title>gcov report</title>\n")
+  index.write("<body><h1>gcov report</h1>\n")
+  index.write("<table><tr><th>File</th><th>Coverage</th></tr>\n")
+  for k in keys:
+    index.write("<tr><td><a href=\"%s.html\">%s</a><td>%d%%\n" %
+                (sgmlquote(k), sgmlquote(k), percent[k]))
+  index.write("</table>\n")
+  index.write("<p>Total coverage: %d%%</p>\n" % (100 * (covered_lines / total_lines)))
+  for k in keys:
+    html = open(os.path.join(htmldir, "%s.html" % k), "w")
+    html.write("<html><head><title>%s</title>\n" % sgmlquote(k))
+    html.write("<body><h1>%s</h1>\n" % sgmlquote(k))
+    html.write("<pre>")
+    r = re.compile("^ *#####:.*")
+    for line in open("%s.gcov" % k, "r"):
+      if len(line) > 0 and line[-1] == '\n':
+        line = line[:-1]
+      if r.match(line):
+        html.write("<span style='background-color:#ffff00'>%s</span>\n" % sgmlquote(line))
+      else:
+        html.write("%s\n" % sgmlquote(line))
+    html.write("</pre>\n")