[gnome-weather] Add coverage reports for tests

[Giovanni Campagna <gcampagna src gnome org>]

commit f8fca13f50480707eac52236fc3d89c6340ba20e
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Mon Feb 3 20:04:28 2014 +0100

    Add coverage reports for tests
    
    Using the new lcov support in gjs, we can see how complete our
    test suite is, which nice colored HTML reports.

 configure.ac      |   24 ++++++++++++++++++++++++
 tests/Makefile.am |   17 +++++++++++++++++
 tests/testutil.py |    2 +-
 3 files changed, 42 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 6583e35..594c686 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,30 @@ AC_ARG_ENABLE(dogtail,
                               [test using dogtail [default=yes]])],,
               enable_dogtail=yes)
 AM_CONDITIONAL(ENABLE_DOGTAIL, test "$enable_dogtail" != no)
+# coverage
+AC_ARG_ENABLE([coverage],
+              [AS_HELP_STRING([--enable-coverage],
+                              [enable code coverage])],
+              , [enable_coverage=no])
+if test x$enable_coverage = xyes; then
+    if test x$GCC != xyes; then
+        AC_MSG_ERROR([GCC is required for --enable-coverage])
+    fi
+
+    AC_PATH_TOOL([LCOV], [lcov])
+    AC_PATH_TOOL([GENHTML], [genhtml])
+
+    if test x$LCOV = x || test x$GENHTML = x; then
+        AC_MSG_ERROR([lcov and genhtml are required for --enable-coverage])
+    fi
+
+    # only enable these if we ever want code coverage for libgd
+    # (which we don't)
+    #CFLAGS="$CFLAGS -g -O0 --coverage"
+    #CXXFLAGS="$CXXFLAGS -g -O0 --coverage"
+    #LIBS="$LIBS -lgcov"
+fi
+AM_CONDITIONAL([ENABLE_COVERAGE], [test x$enable_coverage = xyes])
 
 GLIB_TESTS
 
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0ce8ad4..6a959a2 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -6,6 +6,23 @@ dogtail_tests = \
 if ENABLE_DOGTAIL
 dist_test_scripts = $(dogtail_tests)
 dist_test_data = testutil.py
+
+CLEANFILES += *.pyc
+
+if ENABLE_COVERAGE
+lcov:
+       ( cd $(abs_top_builddir) ; $(TEST_ENVIRONMENT) $(GJS) --coverage-output=$(abs_builddir) \
+       $(foreach source,$(wildcard $(abs_top_srcdir)/src/*.js),-C $(abs_top_srcdir)/src/$(notdir $(source))) 
\
+       $(abs_top_builddir)/src/org.gnome.Weather.Application ) & sleep 2 && $(MAKE) $(AM_MAKEFLAGS) check
+       $(GENHTML) $(builddir)/coverage.lcov
+
+clean-local:
+       rm -rf $(builddir)/src
+
+CLEANFILES += *.html *.png *.css coverage.lcov
+GITIGNOREFILES = src/
+endif
+
 else
 EXTRA_DIST += testutil.py $(dogtail_tests)
 endif
diff --git a/tests/testutil.py b/tests/testutil.py
index de90d49..8c3d60f 100644
--- a/tests/testutil.py
+++ b/tests/testutil.py
@@ -39,7 +39,7 @@ def _do_bus_call(method, params):
 
 def start():
     _do_bus_call("Activate", GLib.Variant('(a{sv})', ([],)))
-    utils.doDelay(2)
+    utils.doDelay(3)
 
     app = tree.root.application(APPLICATION_ID)
     focus.application(APPLICATION_ID)