// Copyright 2020 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package git import (	"path/filepath"	"testing"	"time" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") const (	testReposDir = "tests/repos/") func cloneRepo(tb testing.TB, url string) (string, error) {	repoDir := tb.TempDir()	if err := Clone(DefaultContext, url, repoDir, CloneRepoOptions{		Mirror:  false,		Bare:    false,		Quiet:   true,		Timeout: 5 * time.Minute,	}); err != nil {		return "", err	}	return repoDir, nil} 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		ExpectedTreeCommit string	}{		{"8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2", "", map[string]string{			"file1.txt": "95bb4d39648ee7e325106df01a621c530863a653",			"file2.txt": "8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2",		}, "8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2"},		{"2839944139e0de9737a044f78b0e4b40d989a9e3", "", map[string]string{			"file1.txt":   "2839944139e0de9737a044f78b0e4b40d989a9e3",			"branch1.txt": "9c9aef8dd84e02bc7ec12641deb4c930a7c30185",		}, "2839944139e0de9737a044f78b0e4b40d989a9e3"},		{"5c80b0245c1c6f8343fa418ec374b13b5d4ee658", "branch2", map[string]string{			"branch2.txt": "5c80b0245c1c6f8343fa418ec374b13b5d4ee658",		}, "5c80b0245c1c6f8343fa418ec374b13b5d4ee658"},		{"feaf4ba6bc635fec442f46ddd4512416ec43c2c2", "", map[string]string{			"file1.txt": "95bb4d39648ee7e325106df01a621c530863a653",			"file2.txt": "8d92fc957a4d7cfd98bc375f0b7bb189a0d6c9f2",			"foo":       "37991dec2c8e592043f47155ce4808d4580f9123",		}, "feaf4ba6bc635fec442f46ddd4512416ec43c2c2"},	}	for _, testCase := range testCases {		commit, err := repo1.GetCommit(testCase.CommitID)		if err != nil {			require.NoError(t, err, "Unable to get commit: %s from testcase due to error: %v", testCase.CommitID, err)			// no point trying to do anything else for this test.			continue		}		assert.NotNil(t, commit)		assert.NotNil(t, commit.Tree)		assert.NotNil(t, commit.Tree.repo) 		tree, err := commit.Tree.SubTree(testCase.Path)		if err != nil {			require.NoError(t, err, "Unable to get subtree: %s of commit: %s from testcase due to error: %v", testCase.Path, testCase.CommitID, err)			// no point trying to do anything else for this test.			continue		} 		assert.NotNil(t, tree, "tree is nil for testCase CommitID %s in Path %s", testCase.CommitID, testCase.Path)		assert.NotNil(t, tree.repo, "repo is nil for testCase CommitID %s in Path %s", testCase.CommitID, testCase.Path) 		entries, err := tree.ListEntries()		if err != nil {			require.NoError(t, err, "Unable to get entries of subtree: %s in commit: %s from testcase due to error: %v", testCase.Path, testCase.CommitID, err)			// no point trying to do anything else for this test.			continue		} 		// FIXME: Context.TODO() - if graceful has started we should use its Shutdown context otherwise use install signals in TestMain.		commitsInfo, treeCommit, err := entries.GetCommitsInfo(t.Context(), commit, testCase.Path)		require.NoError(t, err, "Unable to get commit information for entries of subtree: %s in commit: %s from testcase due to error: %v", testCase.Path, testCase.CommitID, err)		if err != nil {			t.FailNow()		}		assert.Equal(t, testCase.ExpectedTreeCommit, treeCommit.ID.String())		assert.Len(t, commitsInfo, len(testCase.ExpectedIDs))		for _, commitInfo := range commitsInfo {			entry := commitInfo.Entry			commit := commitInfo.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 := openRepositoryWithDefaultContext(bareRepo1Path)	require.NoError(t, err)	defer bareRepo1.Close() 	testGetCommitsInfo(t, bareRepo1) 	clonedPath, err := cloneRepo(t, bareRepo1Path)	if err != nil {		require.NoError(t, err)	}	clonedRepo1, err := openRepositoryWithDefaultContext(clonedPath)	if err != nil {		require.NoError(t, err)	}	defer clonedRepo1.Close() 	testGetCommitsInfo(t, clonedRepo1)} func BenchmarkEntries_GetCommitsInfo(b *testing.B) {	type benchmarkType struct {		url  string		name string	} 	benchmarks := []benchmarkType{		{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"},	} 	doBenchmark := func(benchmark benchmarkType) {		var commit *Commit		var entries Entries		var repo *Repository		repoPath, err := cloneRepo(b, benchmark.url)		if err != nil {			b.Fatal(err)		} 		if repo, err = openRepositoryWithDefaultContext(repoPath); err != nil {			b.Fatal(err)		}		defer repo.Close() 		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(b.Context(), commit, "")				if err != nil {					b.Fatal(err)				}			}		})	} 	for _, benchmark := range benchmarks {		doBenchmark(benchmark)	}}