// Copyright 2024 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package git import (	"bytes"	"os"	"path"	"path/filepath"	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestGrepSearch(t *testing.T) {	repo, err := openRepositoryWithDefaultContext(filepath.Join(testReposDir, "language_stats_repo"))	require.NoError(t, err)	defer repo.Close() 	res, err := GrepSearch(t.Context(), repo, "public", GrepOptions{})	require.NoError(t, err)	assert.Equal(t, []*GrepResult{		{			Filename:    "java-hello/main.java",			LineNumbers: []int{1, 3},			LineCodes: []string{				"public class HelloWorld",				" public static void main(String[] args)",			},			HighlightedRanges: [][3]int{{0, 0, 6}, {1, 1, 7}},		},		{			Filename:    "main.vendor.java",			LineNumbers: []int{1, 3},			LineCodes: []string{				"public class HelloWorld",				" public static void main(String[] args)",			},			HighlightedRanges: [][3]int{{0, 0, 6}, {1, 1, 7}},		},	}, res) 	res, err = GrepSearch(t.Context(), repo, "void", GrepOptions{MaxResultLimit: 1, ContextLineNumber: 2})	require.NoError(t, err)	assert.Equal(t, []*GrepResult{		{			Filename:    "java-hello/main.java",			LineNumbers: []int{1, 2, 3, 4, 5},			LineCodes: []string{				"public class HelloWorld",				"{",				" public static void main(String[] args)",				" {",				"  System.out.println(\"Hello world!\");",			},			HighlightedRanges: [][3]int{{2, 15, 19}},		},	}, res) 	res, err = GrepSearch(t.Context(), repo, "world", GrepOptions{MatchesPerFile: 1})	require.NoError(t, err)	assert.Equal(t, []*GrepResult{		{			Filename:          "i-am-a-python.p",			LineNumbers:       []int{1},			LineCodes:         []string{"## This is a simple file to do a hello world"},			HighlightedRanges: [][3]int{{0, 39, 44}},		},		{			Filename:          "java-hello/main.java",			LineNumbers:       []int{1},			LineCodes:         []string{"public class HelloWorld"},			HighlightedRanges: [][3]int{{0, 18, 23}},		},		{			Filename:          "main.vendor.java",			LineNumbers:       []int{1},			LineCodes:         []string{"public class HelloWorld"},			HighlightedRanges: [][3]int{{0, 18, 23}},		},		{			Filename:          "python-hello/hello.py",			LineNumbers:       []int{1},			LineCodes:         []string{"## This is a simple file to do a hello world"},			HighlightedRanges: [][3]int{{0, 39, 44}},		},	}, res) 	res, err = GrepSearch(t.Context(), repo, "world", GrepOptions{		MatchesPerFile: 1,		Filename:       "java-hello/",	})	require.NoError(t, err)	assert.Equal(t, []*GrepResult{		{			Filename:          "java-hello/main.java",			LineNumbers:       []int{1},			LineCodes:         []string{"public class HelloWorld"},			HighlightedRanges: [][3]int{{0, 18, 23}},		},	}, res) 	res, err = GrepSearch(t.Context(), repo, "no-such-content", GrepOptions{})	require.NoError(t, err)	assert.Empty(t, res) 	res, err = GrepSearch(t.Context(), &Repository{Path: "no-such-git-repo"}, "no-such-content", GrepOptions{})	require.Error(t, err)	assert.Empty(t, res)} func TestGrepDashesAreFine(t *testing.T) {	tmpDir := t.TempDir() 	err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())	require.NoError(t, err) 	gitRepo, err := openRepositoryWithDefaultContext(tmpDir)	require.NoError(t, err)	defer gitRepo.Close() 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "with-dashes"), []byte("--"), 0o666))	require.NoError(t, os.WriteFile(path.Join(tmpDir, "without-dashes"), []byte(".."), 0o666)) 	err = AddChanges(tmpDir, true)	require.NoError(t, err) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "Dashes are cool sometimes"})	require.NoError(t, err) 	res, err := GrepSearch(t.Context(), gitRepo, "--", GrepOptions{})	require.NoError(t, err)	assert.Len(t, res, 1)	assert.Equal(t, "with-dashes", res[0].Filename)} func TestGrepNoBinary(t *testing.T) {	tmpDir := t.TempDir() 	err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())	require.NoError(t, err) 	gitRepo, err := openRepositoryWithDefaultContext(tmpDir)	require.NoError(t, err)	defer gitRepo.Close() 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "BINARY"), []byte("I AM BINARY\n\x00\nYOU WON'T SEE ME"), 0o666))	require.NoError(t, os.WriteFile(path.Join(tmpDir, "TEXT"), []byte("I AM NOT BINARY\nYOU WILL SEE ME"), 0o666)) 	err = AddChanges(tmpDir, true)	require.NoError(t, err) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "Binary and text files"})	require.NoError(t, err) 	res, err := GrepSearch(t.Context(), gitRepo, "BINARY", GrepOptions{})	require.NoError(t, err)	assert.Len(t, res, 1)	assert.Equal(t, "TEXT", res[0].Filename)} func TestGrepLongFiles(t *testing.T) {	tmpDir := t.TempDir() 	err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())	require.NoError(t, err) 	gitRepo, err := openRepositoryWithDefaultContext(tmpDir)	require.NoError(t, err)	defer gitRepo.Close() 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "README.md"), bytes.Repeat([]byte{'a'}, 65*1024), 0o666)) 	err = AddChanges(tmpDir, true)	require.NoError(t, err) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "Long file"})	require.NoError(t, err) 	res, err := GrepSearch(t.Context(), gitRepo, "a", GrepOptions{})	require.NoError(t, err)	assert.Len(t, res, 1)	assert.Len(t, res[0].LineCodes[0], 65*1024)} func TestGrepRefs(t *testing.T) {	tmpDir := t.TempDir() 	err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())	require.NoError(t, err) 	gitRepo, err := openRepositoryWithDefaultContext(tmpDir)	require.NoError(t, err)	defer gitRepo.Close() 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "README.md"), []byte{'A'}, 0o666))	require.NoError(t, AddChanges(tmpDir, true)) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "add A"})	require.NoError(t, err) 	require.NoError(t, gitRepo.CreateTag("v1", "HEAD")) 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "README.md"), []byte{'A', 'B', 'C', 'D'}, 0o666))	require.NoError(t, AddChanges(tmpDir, true)) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "add BCD"})	require.NoError(t, err) 	res, err := GrepSearch(t.Context(), gitRepo, "a", GrepOptions{RefName: "v1"})	require.NoError(t, err)	assert.Len(t, res, 1)	assert.Equal(t, "A", res[0].LineCodes[0])} func TestGrepCanHazRegexOnDemand(t *testing.T) {	tmpDir := t.TempDir() 	err := InitRepository(DefaultContext, tmpDir, false, Sha1ObjectFormat.Name())	require.NoError(t, err) 	gitRepo, err := openRepositoryWithDefaultContext(tmpDir)	require.NoError(t, err)	defer gitRepo.Close() 	require.NoError(t, os.WriteFile(path.Join(tmpDir, "matching"), []byte("It's a match!"), 0o666))	require.NoError(t, os.WriteFile(path.Join(tmpDir, "not-matching"), []byte("Orisitamatch?"), 0o666)) 	err = AddChanges(tmpDir, true)	require.NoError(t, err) 	err = CommitChanges(tmpDir, CommitChangesOptions{Message: "Add fixtures for regexp test"})	require.NoError(t, err) 	// should find nothing by default...	res, err := GrepSearch(t.Context(), gitRepo, "\\bmatch\\b", GrepOptions{})	require.NoError(t, err)	assert.Empty(t, res) 	// ... unless configured explicitly	res, err = GrepSearch(t.Context(), gitRepo, "\\bmatch\\b", GrepOptions{Mode: RegExpGrepMode})	require.NoError(t, err)	assert.Len(t, res, 1)	assert.Equal(t, "matching", res[0].Filename)}