// Copyright 2025 The Forgejo Authors. All rights reserved.// SPDX-License-Identifier: GPL-3.0-or-laterpackage git import (	"path/filepath"	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestFetch(t *testing.T) {	t.Run("SHA1", func(t *testing.T) {		dstDir := t.TempDir() 		require.NoError(t, Clone(t.Context(), filepath.Join(testReposDir, "repo1_bare"), dstDir, CloneRepoOptions{})) 		repo, err := OpenRepository(t.Context(), dstDir)		require.NoError(t, err)		defer repo.Close() 		t.Run("Reference", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "language_stats_repo"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "refs/heads/master")			require.NoError(t, err)			assert.Equal(t, "95d3505f2db273e40be79f84416051ae85e9ea0d", fetchedCommitID) 			c, err := repo.getCommit(MustIDFromString(fetchedCommitID))			require.NoError(t, err)			assert.NotNil(t, c)		}) 		t.Run("CommitID", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "repo6_blame"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "45fb6cbc12f970b04eacd5cd4165edd11c8d7376")			require.NoError(t, err)			assert.Equal(t, "45fb6cbc12f970b04eacd5cd4165edd11c8d7376", fetchedCommitID) 			c, err := repo.getCommit(MustIDFromString(fetchedCommitID))			require.NoError(t, err)			assert.NotNil(t, c)		}) 		t.Run("Invalid reference", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "repo6_blame"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "refs/heads/does-not-exist")			require.ErrorIs(t, err, ErrRemoteRefNotFound)			assert.Empty(t, fetchedCommitID)		})	}) 	t.Run("SHA256", func(t *testing.T) {		skipIfSHA256NotSupported(t) 		dstDir := t.TempDir() 		require.NoError(t, Clone(t.Context(), filepath.Join(testReposDir, "repo1_bare_sha256"), dstDir, CloneRepoOptions{})) 		repo, err := OpenRepository(t.Context(), dstDir)		require.NoError(t, err)		defer repo.Close() 		t.Run("Reference", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "repo6_blame_sha256"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "refs/heads/main")			require.NoError(t, err)			assert.Equal(t, "e2f5660e15159082902960af0ed74fc144921d2b0c80e069361853b3ece29ba3", fetchedCommitID) 			c, err := repo.getCommit(MustIDFromString(fetchedCommitID))			require.NoError(t, err)			assert.NotNil(t, c)		}) 		t.Run("CommitID", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "repo6_merge_sha256"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "d2e5609f630dd8db500f5298d05d16def282412e3e66ed68cc7d0833b29129a1")			require.NoError(t, err)			assert.Equal(t, "d2e5609f630dd8db500f5298d05d16def282412e3e66ed68cc7d0833b29129a1", fetchedCommitID) 			c, err := repo.getCommit(MustIDFromString(fetchedCommitID))			require.NoError(t, err)			assert.NotNil(t, c)		}) 		t.Run("Invalid reference", func(t *testing.T) {			otherRepoPath, err := filepath.Abs(filepath.Join(testReposDir, "repo6_blame_sha256"))			require.NoError(t, err) 			fetchedCommitID, err := repo.Fetch(otherRepoPath, "refs/heads/does-not-exist")			require.ErrorIs(t, err, ErrRemoteRefNotFound)			assert.Empty(t, fetchedCommitID)		})	})}