meson: add a test setup to run tests under valgrind

Makefile

@@ -16,8 +16,11 @@ run: all
 	WIREPLUMBER_DEBUG=$(WIREPLUMBER_DEBUG) \
 	./wp-uninstalled.sh $(DBG) ./build/src/wireplumber
 
-test: all
-	ninja -C build test
+test:
+	meson test -C build
+
+test_valgrind:
+	meson test -C build --setup=valgrind
 
 gdb:
 	$(MAKE) run DBG=gdb

meson.build

@@ -68,6 +68,7 @@ endif
 
 gnome = import('gnome')
 pkgconfig = import('pkgconfig')
+fs = import('fs')
 
 wp_lib_include_dir = include_directories('lib')
 

meson_options.txt

@@ -21,3 +21,5 @@ option('systemd-user-unit-dir',
        description : 'Directory for user systemd units')
 option('wpipc', type : 'feature', value : 'disabled',
        description: 'Build the wpipc library and module-ipc')
+option('glib-supp', type : 'string', value : '',
+       description: 'The glib.supp valgrind suppressions file to be used when running valgrind')

tests/meson.build

@@ -1,3 +1,32 @@
+valgrind = find_program('valgrind', required: false)
+if valgrind.found()
+
+  glib_supp = get_option('glib-supp')
+  if glib_supp == ''
+    glib_supp = glib_dep.get_pkgconfig_variable('prefix')
+    glib_supp = glib_supp / 'share' / 'glib-2.0' / 'valgrind' / 'glib.supp'
+  endif
+  if fs.is_file(glib_supp)
+    message('Using glib.supp:', glib_supp)
+  else
+    message('glib.supp not found, valgrind tests will not work correctly')
+  endif
+
+  valgrind_env = environment({
+    'G_SLICE': 'always-malloc',
+  })
+
+  add_test_setup('valgrind',
+    exe_wrapper: [ valgrind,
+      '--suppressions=' + glib_supp,
+      '--leak-check=full',
+      '--gen-suppressions=all',
+      '--error-exitcode=3',
+    ],
+    env: valgrind_env,
+    timeout_multiplier: 2)
+endif
+
 subdir('wp')
 subdir('wplua')
 subdir('wpipc', if_found: wpipc_dep)