mirror of
https://github.com/SkinnyMind/libgit2dart.git
synced 2025-05-04 20:29:08 -04:00
614 lines
17 KiB
Dart
614 lines
17 KiB
Dart
import 'dart:ffi';
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import 'dart:io';
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import 'package:libgit2dart/libgit2dart.dart';
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import 'package:test/test.dart';
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import 'helpers/util.dart';
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void main() {
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late Repository repo;
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late Directory tmpDir;
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const indexToWorkdir = [
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'file_deleted',
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'modified_file',
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'staged_changes_file_deleted',
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'staged_changes_file_modified',
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'staged_new_file_deleted',
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'staged_new_file_modified',
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'subdir/deleted_file',
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'subdir/modified_file',
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];
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const indexToTree = [
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'staged_changes',
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'staged_changes_file_deleted',
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'staged_changes_file_modified',
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'staged_delete',
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'staged_delete_file_modified',
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'staged_new',
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'staged_new_file_deleted',
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'staged_new_file_modified',
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];
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const treeToWorkdir = [
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'file_deleted',
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'modified_file',
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'staged_changes',
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'staged_changes_file_deleted',
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'staged_changes_file_modified',
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'staged_delete',
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'staged_delete_file_modified',
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'subdir/deleted_file',
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'subdir/modified_file',
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];
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const treeToTree = [
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'deleted_file',
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'file_deleted',
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'staged_changes',
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'staged_changes_file_deleted',
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'staged_changes_file_modified',
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'staged_delete',
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'staged_delete_file_modified',
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'subdir/current_file',
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'subdir/deleted_file',
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'subdir/modified_file',
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];
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const treeToWorkdirWithIndex = [
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'file_deleted',
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'modified_file',
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'staged_changes',
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'staged_changes_file_deleted',
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'staged_changes_file_modified',
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'staged_delete',
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'staged_delete_file_modified',
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'staged_new',
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'staged_new_file_modified',
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'subdir/deleted_file',
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'subdir/modified_file',
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];
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const patchText = """
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diff --git a/subdir/modified_file b/subdir/modified_file
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index e69de29..c217c63 100644
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--- a/subdir/modified_file
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+++ b/subdir/modified_file
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@@ -0,0 +1 @@
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+Modified content
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""";
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const statsPrint = """
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file_deleted | 0
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modified_file | 1 +
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staged_changes_file_deleted | 1 -
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staged_changes_file_modified | 2 +-
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staged_new_file_deleted | 0
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staged_new_file_modified | 1 +
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subdir/deleted_file | 0
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subdir/modified_file | 1 +
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8 files changed, 4 insertions(+), 2 deletions(-)
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""";
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setUp(() {
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tmpDir = setupRepo(Directory('test/assets/dirty_repo/'));
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repo = Repository.open(tmpDir.path);
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});
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tearDown(() {
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repo.free();
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tmpDir.deleteSync(recursive: true);
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});
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group('Diff', () {
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test('returns diff between index and workdir', () {
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final index = repo.index;
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final diff = repo.diff();
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expect(diff.length, 8);
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for (var i = 0; i < diff.deltas.length; i++) {
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expect(diff.deltas[i].newFile.path, indexToWorkdir[i]);
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}
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diff.free();
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index.free();
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});
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test('returns diff between index and tree', () {
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final index = repo.index;
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final diff1 = index.diffToTree(tree: tree);
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final diff2 = tree.diffToIndex(index: index);
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expect(diff1.length, 8);
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for (var i = 0; i < diff1.deltas.length; i++) {
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expect(diff1.deltas[i].newFile.path, indexToTree[i]);
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}
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expect(diff2.length, 8);
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for (var i = 0; i < diff2.deltas.length; i++) {
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expect(diff2.deltas[i].newFile.path, indexToTree[i]);
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}
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commit.free();
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head.free();
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tree.free();
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diff1.free();
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diff2.free();
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index.free();
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});
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test('returns diff between tree and workdir', () {
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final diff = repo.diff(a: tree);
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expect(diff.length, 9);
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for (var i = 0; i < diff.deltas.length; i++) {
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expect(diff.deltas[i].newFile.path, treeToWorkdir[i]);
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}
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commit.free();
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head.free();
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tree.free();
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diff.free();
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});
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test('throws when trying to diff between tree and workdir and error occurs',
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() {
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final nullRepo = Repository(nullptr);
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final nullTree = Tree(nullptr);
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expect(() => nullRepo.diff(a: nullTree), throwsA(isA<LibGit2Error>()));
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});
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test('returns diff between tree and index', () {
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final index = repo.index;
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final diff = repo.diff(a: tree, cached: true);
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expect(diff.length, 8);
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for (var i = 0; i < diff.deltas.length; i++) {
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expect(diff.deltas[i].newFile.path, indexToTree[i]);
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}
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commit.free();
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head.free();
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tree.free();
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diff.free();
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index.free();
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});
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test('returns diff between tree and tree', () {
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree1 = commit.tree;
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final tree2 = repo.lookupTree(repo['b85d53c']);
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final diff = repo.diff(a: tree1, b: tree2);
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expect(diff.length, 10);
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for (var i = 0; i < diff.deltas.length; i++) {
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expect(diff.deltas[i].newFile.path, treeToTree[i]);
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}
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commit.free();
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head.free();
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tree1.free();
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tree2.free();
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diff.free();
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});
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test('throws when trying to diff between tree and tree and error occurs',
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() {
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final nullRepo = Repository(nullptr);
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final nullTree = Tree(nullptr);
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expect(
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() => nullRepo.diff(a: nullTree, b: nullTree),
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throwsA(isA<LibGit2Error>()),
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);
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});
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test('throws when trying to diff between null and tree', () {
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final tree = repo.lookupTree(repo['b85d53c']);
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expect(() => repo.diff(b: tree), throwsA(isA<ArgumentError>()));
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tree.free();
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});
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test('returns diff between tree and workdir with index', () {
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final diff = Diff.treeToWorkdirWithIndex(repo: repo, tree: tree);
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expect(diff.length, 11);
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for (var i = 0; i < diff.deltas.length; i++) {
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expect(diff.deltas[i].newFile.path, treeToWorkdirWithIndex[i]);
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}
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diff.free();
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tree.free();
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commit.free();
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head.free();
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});
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test('merges diffs', () {
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree1 = commit.tree;
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final tree2 = repo.lookupTree(
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repo['b85d53c9236e89aff2b62558adaa885fd1d6ff1c'],
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);
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final diff1 = tree1.diffToTree(tree: tree2);
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final diff2 = tree1.diffToWorkdir();
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expect(diff1.length, 10);
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expect(diff2.length, 9);
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diff1.merge(diff2);
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expect(diff1.length, 11);
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commit.free();
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head.free();
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tree1.free();
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tree2.free();
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diff1.free();
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diff2.free();
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});
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test('parses provided diff', () {
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final diff = Diff.parse(patchText);
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final stats = diff.stats;
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expect(diff.length, 1);
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expect(stats.filesChanged, 1);
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expect(stats.insertions, 1);
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expect(diff.patchOid.sha, '699556913185bc38632ae20a49d5c18b9233335e');
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stats.free();
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diff.free();
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});
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group('apply', () {
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test('checks if diff can be applied to repository', () {
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final diff1 = repo.diff();
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expect(
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repo.applies(diff: diff1, location: GitApplyLocation.both),
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false,
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);
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final diff2 = Diff.parse(patchText);
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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expect(
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repo.applies(diff: diff2, location: GitApplyLocation.both),
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true,
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);
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diff1.free();
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diff2.free();
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});
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test('checks if hunk with provided index can be applied to repository',
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() {
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final diff1 = repo.diff();
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expect(
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repo.applies(diff: diff1, location: GitApplyLocation.both),
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false,
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);
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final diff2 = Diff.parse(patchText);
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final hunk = diff2.patches.first.hunks.first;
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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expect(
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repo.applies(
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diff: diff2,
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hunkIndex: hunk.index,
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location: GitApplyLocation.both,
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),
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true,
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);
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diff1.free();
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diff2.free();
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});
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test('applies diff to repository', () {
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final diff = Diff.parse(patchText);
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final file = File('${tmpDir.path}/subdir/modified_file');
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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expect(file.readAsStringSync(), '');
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repo.apply(diff: diff);
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expect(file.readAsStringSync(), 'Modified content\n');
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diff.free();
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});
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test('throws when trying to apply diff and error occurs', () {
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final nullDiff = Diff(nullptr);
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expect(() => repo.apply(diff: nullDiff), throwsA(isA<LibGit2Error>()));
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});
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test('creates patch from entry index in diff', () {
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final diff = Diff.parse(patchText);
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final patch = Patch.fromDiff(diff: diff, index: 0);
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expect(diff.length, 1);
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expect(patch.text, patchText);
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patch.free();
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diff.free();
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});
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test('applies hunk with provided index to repository', () {
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final diff = Diff.parse(patchText);
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final hunk = diff.patches.first.hunks.first;
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final file = File('${tmpDir.path}/subdir/modified_file');
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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expect(file.readAsStringSync(), '');
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repo.apply(diff: diff, hunkIndex: hunk.index);
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expect(file.readAsStringSync(), 'Modified content\n');
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diff.free();
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});
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test('applies diff to tree', () {
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final diff = Diff.parse(patchText);
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final oldIndex = repo.index;
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final oldBlob = repo.lookupBlob(oldIndex['subdir/modified_file'].oid);
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expect(oldBlob.content, '');
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final newIndex = repo.applyToTree(diff: diff, tree: tree);
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final newBlob = repo.lookupBlob(newIndex['subdir/modified_file'].oid);
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expect(newBlob.content, 'Modified content\n');
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oldBlob.free();
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newBlob.free();
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oldIndex.free();
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newIndex.free();
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tree.free();
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commit.free();
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head.free();
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diff.free();
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});
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test('applies hunk with provided index to tree', () {
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final diff = Diff.parse(patchText);
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final hunk = diff.patches.first.hunks.first;
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repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final tree = commit.tree;
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final oldIndex = repo.index;
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final oldBlob = repo.lookupBlob(oldIndex['subdir/modified_file'].oid);
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expect(oldBlob.content, '');
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final newIndex = repo.applyToTree(
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diff: diff,
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tree: tree,
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hunkIndex: hunk.index,
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);
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final newBlob = repo.lookupBlob(newIndex['subdir/modified_file'].oid);
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expect(newBlob.content, 'Modified content\n');
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oldBlob.free();
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newBlob.free();
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oldIndex.free();
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newIndex.free();
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tree.free();
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commit.free();
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head.free();
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diff.free();
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});
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test('throws when trying to apply diff to tree and error occurs', () {
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final diff = Diff.parse(patchText);
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expect(
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() => repo.applyToTree(diff: diff, tree: Tree(nullptr)),
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throwsA(isA<LibGit2Error>()),
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);
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});
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});
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test('finds similar entries', () {
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final index = repo.index;
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final head = repo.head;
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final commit = repo.lookupCommit(head.target);
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final oldTree = commit.tree;
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final newTree = repo.lookupTree(index.writeTree());
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final diff = oldTree.diffToTree(tree: newTree);
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expect(
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diff.deltas.singleWhere((e) => e.newFile.path == 'staged_new').status,
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GitDelta.added,
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);
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diff.findSimilar();
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expect(
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diff.deltas.singleWhere((e) => e.newFile.path == 'staged_new').status,
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GitDelta.renamed,
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);
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commit.free();
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head.free();
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diff.free();
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index.free();
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oldTree.free();
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newTree.free();
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});
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test('throws when trying to find similar entries and error occurs', () {
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final nullDiff = Diff(nullptr);
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expect(() => nullDiff.findSimilar(), throwsA(isA<LibGit2Error>()));
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});
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test('throws when trying to get patch Oid and error occurs', () {
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final nullDiff = Diff(nullptr);
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expect(() => nullDiff.patchOid, throwsA(isA<LibGit2Error>()));
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});
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test('returns deltas', () {
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final index = repo.index;
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final diff = index.diffToWorkdir();
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expect(diff.deltas[0].numberOfFiles, 1);
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expect(diff.deltas[0].status, GitDelta.deleted);
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expect(diff.deltas[0].statusChar, 'D');
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expect(diff.deltas[0].flags, isEmpty);
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expect(diff.deltas[0].similarity, 0);
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expect(diff.deltas[0].oldFile.path, indexToWorkdir[0]);
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expect(
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diff.deltas[0].oldFile.oid.sha,
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'e69de29bb2d1d6434b8b29ae775ad8c2e48c5391',
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);
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expect(diff.deltas[0].newFile.oid.sha, '0' * 40);
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expect(diff.deltas[2].oldFile.size, 17);
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expect(
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diff.deltas[0].oldFile.flags,
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{GitDiffFlag.validId, GitDiffFlag.exists},
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);
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expect(
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diff.deltas[0].newFile.flags,
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{GitDiffFlag.validId},
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);
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expect(diff.deltas[0].oldFile.mode, GitFilemode.blob);
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diff.free();
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index.free();
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});
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test('throws when trying to get delta with invalid index', () {
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final index = repo.index;
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final diff = index.diffToWorkdir();
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expect(() => diff.deltas[-1], throwsA(isA<RangeError>()));
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diff.free();
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index.free();
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});
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test('returns patches', () {
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final index = repo.index;
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final diff = index.diffToWorkdir();
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final patches = diff.patches;
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expect(patches.length, 8);
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expect(patches.first.delta.status, GitDelta.deleted);
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for (final p in patches) {
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p.free();
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}
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diff.free();
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index.free();
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});
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test('returns stats', () {
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final index = repo.index;
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final diff = index.diffToWorkdir();
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final stats = diff.stats;
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expect(stats.insertions, 4);
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expect(stats.deletions, 2);
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expect(stats.filesChanged, 8);
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expect(stats.print(format: {GitDiffStats.full}, width: 80), statsPrint);
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stats.free();
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diff.free();
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index.free();
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});
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test('throws when trying to get stats and error occurs', () {
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final nullDiff = Diff(nullptr);
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expect(() => nullDiff.stats, throwsA(isA<LibGit2Error>()));
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});
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test('throws when trying to print stats and error occurs', () {
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final nullStats = DiffStats(nullptr);
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expect(
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() => nullStats.print(format: {GitDiffStats.full}, width: 80),
|
|
throwsA(isA<LibGit2Error>()),
|
|
);
|
|
});
|
|
|
|
test('returns patch diff string', () {
|
|
final diff = Diff.parse(patchText);
|
|
|
|
expect(diff.patch, patchText);
|
|
|
|
diff.free();
|
|
});
|
|
|
|
test('returns hunks in a patch', () {
|
|
final diff = Diff.parse(patchText);
|
|
final patch = Patch.fromDiff(diff: diff, index: 0);
|
|
final hunk = patch.hunks[0];
|
|
|
|
expect(patch.hunks.length, 1);
|
|
expect(hunk.linesCount, 1);
|
|
expect(hunk.oldStart, 0);
|
|
expect(hunk.oldLines, 0);
|
|
expect(hunk.newStart, 1);
|
|
expect(hunk.newLines, 1);
|
|
expect(hunk.header, '@@ -0,0 +1 @@\n');
|
|
|
|
patch.free();
|
|
diff.free();
|
|
});
|
|
|
|
test('returns lines in a hunk', () {
|
|
final diff = Diff.parse(patchText);
|
|
final patch = Patch.fromDiff(diff: diff, index: 0);
|
|
final hunk = patch.hunks[0];
|
|
final line = hunk.lines[0];
|
|
|
|
expect(hunk.lines.length, 1);
|
|
expect(line.origin, GitDiffLine.addition);
|
|
expect(line.oldLineNumber, -1);
|
|
expect(line.newLineNumber, 1);
|
|
expect(line.numLines, 1);
|
|
expect(line.contentOffset, 155);
|
|
expect(line.content, 'Modified content\n');
|
|
|
|
patch.free();
|
|
diff.free();
|
|
});
|
|
|
|
test(
|
|
'returns string representation of Diff, DiffDelta, DiffFile, '
|
|
'DiffHunk, DiffLine and DiffStats objects', () {
|
|
final diff = Diff.parse(patchText);
|
|
final patch = Patch.fromDiff(diff: diff, index: 0);
|
|
final stats = diff.stats;
|
|
|
|
expect(diff.toString(), contains('Diff{'));
|
|
expect(patch.delta.toString(), contains('DiffDelta{'));
|
|
expect(patch.delta.oldFile.toString(), contains('DiffFile{'));
|
|
expect(patch.hunks[0].toString(), contains('DiffHunk{'));
|
|
expect(patch.hunks[0].lines[0].toString(), contains('DiffLine{'));
|
|
expect(stats.toString(), contains('DiffStats{'));
|
|
|
|
stats.free();
|
|
patch.free();
|
|
diff.free();
|
|
});
|
|
});
|
|
}
|