syz-cluster: add tests for series and patch name filtering

Adds unit tests for the series and patch name filtering functionality in the database repository.

Author: pimyn-girgis

syz-cluster/pkg/db/series_repo_test.go

@@ -174,6 +174,94 @@ func TestSeriesRepositoryList(t *testing.T) {
 	})
 }
 
+// nolint: dupl
+func TestSeriesRepositorySearch(t *testing.T) {
+	client, ctx := NewTransientDB(t)
+	repo := NewSeriesRepository(client)
+
+	series1 := &Series{
+		ExtID:       "series-search-1",
+		Title:       "Kernel Series for ARM64",
+		PublishedAt: time.Date(2020, time.January, 1, 1, 0, 0, 0, time.UTC),
+	}
+	patches1 := []*Patch{
+		{
+			Title: "arm64: patch for CPU",
+			Seq:   1,
+		},
+		{
+			Title: "arm64: another patch for memory",
+			Seq:   2,
+		},
+	}
+	err := repo.Insert(ctx, series1, func() ([]*Patch, error) {
+		return patches1, nil
+	})
+	assert.NoError(t, err)
+
+	series2 := &Series{
+		ExtID:       "series-search-2",
+		Title:       "X86 Specific Patch Series",
+		PublishedAt: time.Date(2020, time.January, 1, 2, 0, 0, 0, time.UTC),
+	}
+	patches2 := []*Patch{
+		{
+			Title: "x86: new feature",
+			Seq:   1,
+		},
+	}
+	err = repo.Insert(ctx, series2, func() ([]*Patch, error) {
+		return patches2, nil
+	})
+	assert.NoError(t, err)
+
+	series3 := &Series{
+		ExtID:       "series-search-3",
+		Title:       "Generic Bug Fixes",
+		PublishedAt: time.Date(2020, time.January, 1, 3, 0, 0, 0, time.UTC),
+	}
+	patches3 := []*Patch{
+		{
+			Title: "net: fix double free",
+			Seq:   1,
+		},
+	}
+	err = repo.Insert(ctx, series3, func() ([]*Patch, error) {
+		return patches3, nil
+	})
+	assert.NoError(t, err)
+
+	t.Run("by_series_name", func(t *testing.T) {
+		list, err := repo.ListLatest(ctx, SeriesFilter{Name: "Kernel Series"}, time.Time{})
+		assert.NoError(t, err)
+		assert.Len(t, list, 1)
+		assert.Equal(t, series1.Title, list[0].Series.Title)
+	})
+	t.Run("by_patch_name", func(t *testing.T) {
+		list, err := repo.ListLatest(ctx, SeriesFilter{Name: "double free"}, time.Time{})
+		assert.NoError(t, err)
+		assert.Len(t, list, 1)
+		assert.Equal(t, series3.Title, list[0].Series.Title)
+	})
+	t.Run("no_match", func(t *testing.T) {
+		list, err := repo.ListLatest(ctx, SeriesFilter{Name: "nonexistent"}, time.Time{})
+		assert.NoError(t, err)
+		assert.Len(t, list, 0)
+	})
+	t.Run("empty_search_string", func(t *testing.T) {
+		list, err := repo.ListLatest(ctx, SeriesFilter{Name: ""}, time.Time{})
+		assert.NoError(t, err)
+		assert.Len(t, list, 3) // All series should be returned if search strings are empty.
+	})
+	t.Run("search_across_series_and_patch", func(t *testing.T) {
+		list, err := repo.ListLatest(ctx, SeriesFilter{Name: "patch"}, time.Time{})
+		assert.NoError(t, err)
+		assert.Len(t, list, 2)
+		assert.Equal(t, series2.Title, list[0].Series.Title)
+		assert.Equal(t, series1.Title, list[1].Series.Title)
+	})
+}
+
 func TestSeriesRepositoryUpdate(t *testing.T) {
 	client, ctx := NewTransientDB(t)
 	repo := NewSeriesRepository(client)