gitindex: add test for indexing an empty repo
Change-Id: I061544bec28823d2266456d92d4150c0adf21877
diff --git a/gitindex/index_test.go b/gitindex/index_test.go
new file mode 100644
index 0000000..bc24796
--- /dev/null
+++ b/gitindex/index_test.go
@@ -0,0 +1,56 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package gitindex
+
+import (
+ "io/ioutil"
+ "os"
+ "os/exec"
+ "path/filepath"
+ "testing"
+
+ "github.com/google/zoekt"
+ "github.com/google/zoekt/build"
+)
+
+func TestIndexEmptyRepo(t *testing.T) {
+ tmp, err := ioutil.TempDir("", "")
+ if err != nil {
+ t.Fatalf("TempDir %v", err)
+ }
+ defer os.RemoveAll(tmp)
+
+ cmd := exec.Command("git", "init", "-b", "master", "repo")
+ cmd.Dir = tmp
+
+ if err := cmd.Run(); err != nil {
+ t.Fatalf("cmd.Run: %v", err)
+ }
+
+ desc := zoekt.Repository{
+ Name: "repo",
+ }
+ opts := Options{
+ RepoDir: filepath.Join(tmp, "repo", ".git"),
+ BuildOptions: build.Options{
+ RepositoryDescription: desc,
+ IndexDir: tmp,
+ },
+ }
+
+ if err := IndexGitRepo(opts); err != nil {
+ t.Fatalf("IndexGitRepo: %v", err)
+ }
+}
