Add gtk tests

Currently we only test the GtkBuilder files.
Also I can't find a way to get gtk to uninitialize and reinitialize
in a different thread.

Close #56

.gitlab-ci.yml

@@ -32,7 +32,7 @@ flatpak:
               --env=CARGO_HOME="target/cargo-home" \
               --env=CARGO_TARGET_DIR="target_test/" \
               app ${MANIFEST_PATH} \
-              cargo test -- --test-threads=1
+              cargo test -j 1 -- --test-threads=1
 
         # Create a flatpak bundle
         - flatpak-builder --finish-only app ${MANIFEST_PATH}

podcasts-gtk/src/main.rs

@@ -114,6 +114,21 @@ mod i18n;
 
 use app::App;
 
+#[cfg(test)]
+fn init_gtk_tests() -> Result<(), failure::Error> {
+    // if gtk::is_initialized() {
+    //     assert!(gtk::is_initialized_main_thread())
+    // } else {
+    //     gtk::init()?;
+    //     static_resource::init()?;
+    // }
+
+    gtk::init()?;
+    static_resource::init()?;
+    gst::init()?;
+    Ok(())
+}
+
 fn main() {
     // TODO: make the the logger a cli -vv option
     loggerv::init_with_level(Level::Info).expect("Error initializing loggerv.");
@@ -132,3 +147,30 @@ fn main() {
 
     App::run();
 }
+
+#[test]
+// Even while running the tests with -j 1 and --test-threads=1,
+// cargo seems to create new threads and gtk refuses to initialize again.
+// So we run every gtk related test here.
+fn test_stuff() -> Result<(), failure::Error> {
+    use headerbar::Header;
+    use widgets::*;
+
+    init_gtk_tests()?;
+
+    // If a widget does not exist in the `GtkBuilder`(.ui) file this should panic and fail.
+    Header::default();
+    ShowsView::default();
+    ShowWidget::default();
+    HomeView::default();
+    HomeEpisode::default();
+    EpisodeWidget::default();
+    EmptyView::default();
+    EmptyShow::default();
+
+    appnotif::InAppNotification::default();
+    show_menu::ShowMenu::default();
+    player::PlayerWidget::default();
+
+    Ok(())
+}

podcasts-gtk/src/widgets/home_view.rs

@@ -156,7 +156,7 @@ fn split(now: &DateTime<Utc>, epoch: i64) -> ListSplit {
 }
 
 #[derive(Debug, Clone)]
-struct HomeEpisode {
+pub(crate) struct HomeEpisode {
     container: gtk::Box,
     image: gtk::Image,
     episode: gtk::Box,

podcasts-gtk/src/widgets/mod.rs

@@ -17,3 +17,6 @@ pub(crate) use self::home_view::HomeView;
 pub(crate) use self::show::ShowWidget;
 pub(crate) use self::show_menu::ShowMenu;
 pub(crate) use self::shows_view::ShowsView;
+
+#[cfg(test)]
+pub(crate) use self::home_view::HomeEpisode;

scripts/test.sh

@@ -26,7 +26,7 @@ xvfb-run -a -s "-screen 0 1024x768x24" \
     --env=CARGO_HOME="target/cargo-home" \
     --env=CARGO_TARGET_DIR="target_test/" \
     app ${MANIFEST_PATH} \
-    cargo test -- --test-threads=1
+    cargo test -j 1 -- --test-threads=1
 
 # Create a flatpak bundle
 # flatpak-builder --finish-only app ${MANIFEST_PATH}