feat(master): suggest newer version tags for third-party images (#11) (#31)

internal/master/web/server_test.go

@@ -790,3 +790,34 @@ func TestServicePage_AutoBlockedDisablesToggle(t *testing.T) {
 	_, body := get(t, srv, "/services/1")
 	assert.Contains(t, body, "Auto unavailable: "+model.ReasonContainer+".")
 }
+
+// GetTagVersion returns the digest-less version of repo with this tag.
+func (f *fakeStore) GetTagVersion(_ context.Context, repo, tag string) (model.ImageVersion, error) {
+	for _, v := range f.versions {
+		if v.Repo == repo && v.Tag == tag && v.Digest == "" {
+			return v, nil
+		}
+	}
+	return model.ImageVersion{}, model.ErrNotFound
+}
+
+func TestOverview_ShowsNewerTagChipBesideUpdateChip(t *testing.T) {
+	srv, store, _, _, _ := newTestEnv(t)
+	store.services[0].AvailableRef = "gitea.shcizo.se/shcizo/slusk:1.4.2"
+	store.services[0].NewerRef = "gitea.shcizo.se/shcizo/slusk:1.5.0"
+
+	for _, path := range []string{"/", "/fragments/services"} {
+		_, body := get(t, srv, path)
+		assert.Contains(t, body, `class="tag f-newer" title="gitea.shcizo.se/shcizo/slusk:1.5.0">Newer tag<em>1.5.0</em>`, path)
+		assert.Contains(t, body, `class="tag f-up"`, path)
+	}
+}
+
+func TestOverview_HidesStaleNewerTag(t *testing.T) {
+	srv, store, _, _, _ := newTestEnv(t)
+	store.services[0].NewerRef = "gitea.shcizo.se/shcizo/slusk:1.4.1" // not newer than 1.4.2
+
+	_, body := get(t, srv, "/")
+
+	assert.NotContains(t, body, "f-newer")
+}