1 files changed, 80 insertions, 0 deletions
diff --git a/workhorse/internal/gitaly/gitaly_test.go b/workhorse/internal/gitaly/gitaly_test.go
new file mode 100644
index 00000000000..b17fb5c1d7b
--- /dev/null
+++ b/workhorse/internal/gitaly/gitaly_test.go
@@ -0,0 +1,80 @@
+package gitaly
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc/metadata"
+)
+
+func TestNewSmartHTTPClient(t *testing.T) {
+	ctx, _, err := NewSmartHTTPClient(context.Background(), serverFixture())
+	require.NoError(t, err)
+	testOutgoingMetadata(t, ctx)
+}
+
+func TestNewBlobClient(t *testing.T) {
+	ctx, _, err := NewBlobClient(context.Background(), serverFixture())
+	require.NoError(t, err)
+	testOutgoingMetadata(t, ctx)
+}
+
+func TestNewRepositoryClient(t *testing.T) {
+	ctx, _, err := NewRepositoryClient(context.Background(), serverFixture())
+	require.NoError(t, err)
+	testOutgoingMetadata(t, ctx)
+}
+
+func TestNewNamespaceClient(t *testing.T) {
+	ctx, _, err := NewNamespaceClient(context.Background(), serverFixture())
+	require.NoError(t, err)
+	testOutgoingMetadata(t, ctx)
+}
+
+func TestNewDiffClient(t *testing.T) {
+	ctx, _, err := NewDiffClient(context.Background(), serverFixture())
+	require.NoError(t, err)
+	testOutgoingMetadata(t, ctx)
+}
+
+func testOutgoingMetadata(t *testing.T, ctx context.Context) {
+	md, ok := metadata.FromOutgoingContext(ctx)
+	require.True(t, ok, "get metadata from context")
+
+	for k, v := range allowedFeatures() {
+		actual := md[k]
+		require.Len(t, actual, 1, "expect one value for %v", k)
+		require.Equal(t, v, actual[0], "value for %v", k)
+	}
+
+	for k := range badFeatureMetadata() {
+		require.Empty(t, md[k], "value for bad key %v", k)
+	}
+}
+
+func serverFixture() Server {
+	features := make(map[string]string)
+	for k, v := range allowedFeatures() {
+		features[k] = v
+	}
+	for k, v := range badFeatureMetadata() {
+		features[k] = v
+	}
+
+	return Server{Address: "tcp://localhost:123", Features: features}
+}
+
+func allowedFeatures() map[string]string {
+	return map[string]string{
+		"gitaly-feature-foo": "bar",
+		"gitaly-feature-qux": "baz",
+	}
+}
+
+func badFeatureMetadata() map[string]string {
+	return map[string]string{
+		"bad-metadata-1": "bad-value-1",
+		"bad-metadata-2": "bad-value-2",
+	}
+}