build: Re-enable unit tests

Looks like they weren't ported when we switched to meson

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-libav/-/merge_requests/100>

meson.build

@@ -84,6 +84,9 @@ gst_dep = dependency('gstreamer-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_dep'])
 gstbase_dep = dependency('gstreamer-base-1.0', version : gst_req,
   fallback : ['gstreamer', 'gst_base_dep'])
+gstcheck_dep = dependency('gstreamer-check-1.0', version : gst_req,
+  required : get_option('tests'),
+  fallback : ['gstreamer', 'gst_check_dep'])
 
 gstvideo_dep = dependency('gstreamer-video-1.0', version : gst_req,
     fallback : ['gst-plugins-base', 'video_dep'])
@@ -185,6 +188,7 @@ endif
 plugins = []
 subdir('ext/libav')
 subdir('docs')
+subdir('tests')
 
 # Set release date
 if gst_version_nano == 0

meson_options.txt

@@ -4,4 +4,5 @@ option('package-origin', type : 'string',
        value : 'Unknown package origin', yield : true,
        description : 'package origin URL to use in plugins')
 option('doc', type : 'feature', value : 'auto', yield: true,
-       description: 'Enable documentation.')
+       description: 'Enable documentation.')
+option('tests', type : 'feature', value : 'auto', yield : true)

tests/check/meson.build

@@ -0,0 +1,58 @@
+# name, condition when to skip the test and extra dependencies
+libav_tests = [
+  [ 'elements/avdec_adpcm' ],
+  [ 'elements/avdemux_ape' ],
+  [ 'generic/libavcodec-locking' ],
+  [ 'generic/plugin-test' ]
+]
+
+test_defines = [
+  '-UG_DISABLE_ASSERT',
+  '-UG_DISABLE_CAST_CHECKS',
+  '-DGST_CHECK_TEST_ENVIRONMENT_BEACON="GST_PLUGIN_LOADING_WHITELIST"',
+  '-DGST_TEST_FILES_PATH="' + meson.current_source_dir() + '/../files"',
+  '-DGST_USE_UNSTABLE_API',
+]
+
+pluginsdirs = []
+if gst_dep.type_name() == 'pkgconfig'
+  pbase = dependency('gstreamer-plugins-base-' + api_version, required: true)
+  pluginsdirs = [gst_dep.get_pkgconfig_variable('pluginsdir'),
+                 pbase.get_pkgconfig_variable('pluginsdir')]
+  gst_plugin_scanner_dir = gst_dep.get_pkgconfig_variable('pluginscannerdir')
+else
+  gst_plugin_scanner_dir = subproject('gstreamer').get_variable('gst_scanner_dir')
+endif
+gst_plugin_scanner_path = join_paths(gst_plugin_scanner_dir, 'gst-plugin-scanner')
+
+# FIXME: check, also + PTHREAD_CFLAGS
+test_deps = [gst_dep, gstbase_dep, gstcheck_dep, gstaudio_dep,
+  gstvideo_dep, gstpbutils_dep]
+
+# FIXME: add valgrind suppression common/gst.supp gst-libav.supp
+foreach t : libav_tests
+  fname = '@0@.c'.format(t.get(0))
+  test_name = t.get(0).underscorify()
+  extra_sources = t.get(3, [ ])
+  extra_deps = t.get(2, [ ])
+  skip_test = t.get(1, false)
+  if not skip_test
+    env = environment()
+    env.set('GST_PLUGIN_SYSTEM_PATH_1_0', '')
+    env.set('CK_DEFAULT_TIMEOUT', '20')
+    env.set('GST_PLUGIN_LOADING_WHITELIST', 'gstreamer', 'gst-plugins-base',
+      'gst-libav@' + meson.build_root())
+    env.set('GST_PLUGIN_PATH_1_0', [meson.build_root()] + pluginsdirs)
+    env.set('GSETTINGS_BACKEND', 'memory')
+
+    env.set('GST_REGISTRY', join_paths(meson.current_build_dir(), '@0@.registry'.format(test_name)))
+    env.set('GST_PLUGIN_SCANNER_1_0', gst_plugin_scanner_path)
+    exe = executable(test_name, fname, extra_sources,
+      include_directories : [configinc],
+      c_args : ['-DHAVE_CONFIG_H=1' ] + test_defines,
+      dependencies : [libm] + test_deps + extra_deps,
+    )
+    test(test_name, exe, env: env, timeout: 3 * 60)
+  endif
+endforeach
+

tests/meson.build

@@ -0,0 +1,3 @@
+if not get_option('tests').disabled() and gstcheck_dep.found()
+  subdir('check')
+endif