1 files changed, 117 insertions, 0 deletions
diff --git a/modules/git/commit_info_test.go b/modules/git/commit_info_test.go
new file mode 100644
index 0000000000..120a9a737c
--- /dev/null
+++ b/modules/git/commit_info_test.go
@@ -0,0 +1,117 @@
+package git
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const testReposDir = "tests/repos/"
+const benchmarkReposDir = "benchmark/repos/"
+
+func cloneRepo(url, dir, name string) (string, error) {
+	repoDir := filepath.Join(dir, name)
+	if _, err := os.Stat(repoDir); err == nil {
+		return repoDir, nil
+	}
+	return repoDir, Clone(url, repoDir, CloneRepoOptions{
+		Mirror:  false,
+		Bare:    false,
+		Quiet:   true,
+		Timeout: 5 * time.Minute,
+	})
+}
+
+func testGetCommitsInfo(t *testing.T, repo1 *Repository) {
+	// these test case are specific to the repo1 test repo
+	testCases := []struct {
+		CommitID    string
+		Path        string
+		ExpectedIDs map[string]string
+	}{
+		{"8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2", "", map[string]string{
+			"file1.txt": "95bb4d39648ee7e325106df01a621c530863a653",
+			"file2.txt": "8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2",
+		}},
+		{"2839944139e0de9737a044f78b0e4b40d989a9e3", "", map[string]string{
+			"file1.txt":   "2839944139e0de9737a044f78b0e4b40d989a9e3",
+			"branch1.txt": "9c9aef8dd84e02bc7ec12641deb4c930a7c30185",
+		}},
+		{"5c80b0245c1c6f8343fa418ec374b13b5d4ee658", "branch2", map[string]string{
+			"branch2.txt": "5c80b0245c1c6f8343fa418ec374b13b5d4ee658",
+		}},
+	}
+	for _, testCase := range testCases {
+		commit, err := repo1.GetCommit(testCase.CommitID)
+		assert.NoError(t, err)
+		tree, err := commit.Tree.SubTree(testCase.Path)
+		assert.NoError(t, err)
+		entries, err := tree.ListEntries()
+		assert.NoError(t, err)
+		commitsInfo, err := entries.GetCommitsInfo(commit, testCase.Path, nil)
+		assert.NoError(t, err)
+		assert.Len(t, commitsInfo, len(testCase.ExpectedIDs))
+		for _, commitInfo := range commitsInfo {
+			entry := commitInfo[0].(*TreeEntry)
+			commit := commitInfo[1].(*Commit)
+			expectedID, ok := testCase.ExpectedIDs[entry.Name()]
+			if !assert.True(t, ok) {
+				continue
+			}
+			assert.Equal(t, expectedID, commit.ID.String())
+		}
+	}
+}
+
+func TestEntries_GetCommitsInfo(t *testing.T) {
+	bareRepo1Path := filepath.Join(testReposDir, "repo1_bare")
+	bareRepo1, err := OpenRepository(bareRepo1Path)
+	assert.NoError(t, err)
+	testGetCommitsInfo(t, bareRepo1)
+
+	clonedPath, err := cloneRepo(bareRepo1Path, testReposDir, "repo1_TestEntries_GetCommitsInfo")
+	assert.NoError(t, err)
+	defer os.RemoveAll(clonedPath)
+	clonedRepo1, err := OpenRepository(clonedPath)
+	assert.NoError(t, err)
+	testGetCommitsInfo(t, clonedRepo1)
+}
+
+func BenchmarkEntries_GetCommitsInfo(b *testing.B) {
+	benchmarks := []struct {
+		url  string
+		name string
+	}{
+		{url: "https://github.com/go-gitea/gitea.git", name: "gitea"},
+		{url: "https://github.com/ethantkoenig/manyfiles.git", name: "manyfiles"},
+		{url: "https://github.com/moby/moby.git", name: "moby"},
+		{url: "https://github.com/golang/go.git", name: "go"},
+		{url: "https://github.com/torvalds/linux.git", name: "linux"},
+	}
+	for _, benchmark := range benchmarks {
+		var commit *Commit
+		var entries Entries
+		if repoPath, err := cloneRepo(benchmark.url, benchmarkReposDir, benchmark.name); err != nil {
+			b.Fatal(err)
+		} else if repo, err := OpenRepository(repoPath); err != nil {
+			b.Fatal(err)
+		} else if commit, err = repo.GetBranchCommit("master"); err != nil {
+			b.Fatal(err)
+		} else if entries, err = commit.Tree.ListEntries(); err != nil {
+			b.Fatal(err)
+		}
+		entries.Sort()
+		b.ResetTimer()
+		b.Run(benchmark.name, func(b *testing.B) {
+			for i := 0; i < b.N; i++ {
+				_, err := entries.GetCommitsInfo(commit, "", nil)
+				if err != nil {
+					b.Fatal(err)
+				}
+			}
+		})
+	}
+}