mirror of
https://github.com/SkinnyMind/libgit2dart.git
synced 2025-05-05 12:49:08 -04:00
7f0cd86e72
Platform specific messages for throws is different, so checking that test throws proper type should be enough
379 lines
10 KiB
Dart
379 lines
10 KiB
Dart
// ignore_for_file: unnecessary_string_escapes
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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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setUp(() {
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tmpDir = setupRepo(Directory('test/assets/mergerepo/'));
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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('Merge', () {
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group('analysis', () {
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test('is up to date when no reference is provided', () {
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final result = repo.mergeAnalysis(theirHead: repo['c68ff54']);
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expect(result, [
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{GitMergeAnalysis.upToDate},
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GitMergePreference.none,
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]);
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expect(repo.status, isEmpty);
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});
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test('is up to date for provided ref', () {
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final result = repo.mergeAnalysis(
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theirHead: repo['c68ff54'],
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ourRef: 'refs/tags/v0.1',
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);
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expect(result[0], {GitMergeAnalysis.upToDate});
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expect(repo.status, isEmpty);
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});
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test('is fast forward', () {
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final ffCommit = repo.lookupCommit(repo['f17d0d4']);
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final ffBranch = repo.createBranch(
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name: 'ff-branch',
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target: ffCommit,
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);
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final result = repo.mergeAnalysis(
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theirHead: repo['6cbc22e'],
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ourRef: 'refs/heads/${ffBranch.name}',
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);
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expect(
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result[0],
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{GitMergeAnalysis.fastForward, GitMergeAnalysis.normal},
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);
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expect(repo.status, isEmpty);
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ffBranch.free();
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ffCommit.free();
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});
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test('is not fast forward and there is no conflicts', () {
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final result = repo.mergeAnalysis(theirHead: repo['5aecfa0']);
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expect(result[0], {GitMergeAnalysis.normal});
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expect(repo.status, isEmpty);
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});
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});
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test('writes conflicts to index', () {
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final conflictBranch = repo.lookupBranch(name: 'conflict-branch');
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final index = repo.index;
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final result = repo.mergeAnalysis(theirHead: conflictBranch.target);
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expect(result[0], {GitMergeAnalysis.normal});
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repo.merge(conflictBranch.target);
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expect(index.hasConflicts, true);
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expect(index.conflicts.length, 1);
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expect(repo.state, GitRepositoryState.merge);
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expect(
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repo.status,
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{
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'conflict_file': {GitStatus.conflicted}
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},
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);
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final conflictedFile = index.conflicts['conflict_file']!;
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expect(conflictedFile.ancestor, null);
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expect(conflictedFile.our?.path, 'conflict_file');
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expect(conflictedFile.their?.path, 'conflict_file');
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index.add('conflict_file');
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index.write();
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expect(index.hasConflicts, false);
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expect(index.conflicts, isEmpty);
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expect(
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repo.status,
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{
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'conflict_file': {GitStatus.indexModified}
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},
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);
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index.free();
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conflictBranch.free();
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});
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group('merge file from index', () {
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test('successfully merges without ancestor', () {
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const diffExpected = """
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\<<<<<<< conflict_file
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master conflict edit
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=======
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conflict branch edit
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>>>>>>> conflict_file
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""";
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final conflictBranch = repo.lookupBranch(name: 'conflict-branch');
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final index = repo.index;
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repo.merge(conflictBranch.target);
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final conflictedFile = index.conflicts['conflict_file']!;
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final diff = repo.mergeFileFromIndex(
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ancestor: null,
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ours: conflictedFile.our!,
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theirs: conflictedFile.their!,
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);
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expect(
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diff,
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diffExpected,
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);
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index.free();
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conflictBranch.free();
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});
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test('successfully merges with ancestor', () {
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const diffExpected = """
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\<<<<<<< feature_file
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Feature edit on feature branch
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=======
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Another feature edit
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>>>>>>> feature_file
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""";
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final conflictBranch = repo.lookupBranch(name: 'ancestor-conflict');
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repo.checkout(refName: 'refs/heads/feature');
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final index = repo.index;
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repo.merge(conflictBranch.target);
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final conflictedFile = index.conflicts['feature_file']!;
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final diff = repo.mergeFileFromIndex(
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ancestor: conflictedFile.ancestor,
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ours: conflictedFile.our!,
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theirs: conflictedFile.their!,
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);
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expect(
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diff,
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diffExpected,
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);
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index.free();
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conflictBranch.free();
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});
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test('throws when error occurs', () {
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expect(
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() => repo.mergeFileFromIndex(
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ancestor: null,
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ours: IndexEntry(nullptr),
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theirs: IndexEntry(nullptr),
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),
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throwsA(isA<LibGit2Error>()),
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);
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});
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});
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group('merge commits', () {
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test('successfully merges with default values', () {
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final theirCommit = repo.lookupCommit(repo['5aecfa0']);
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final ourCommit = repo.lookupCommit(repo['1490545']);
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final mergeIndex = repo.mergeCommits(
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ourCommit: ourCommit,
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theirCommit: theirCommit,
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);
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expect(mergeIndex.conflicts, isEmpty);
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final mergeCommitsTree = mergeIndex.writeTree(repo);
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repo.merge(theirCommit.oid);
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final index = repo.index;
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expect(index.conflicts, isEmpty);
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final mergeTree = index.writeTree();
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expect(mergeCommitsTree == mergeTree, true);
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index.free();
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mergeIndex.free();
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ourCommit.free();
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theirCommit.free();
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});
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test('successfully merges with provided favor', () {
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final theirCommit = repo.lookupCommit(repo['5aecfa0']);
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final ourCommit = repo.lookupCommit(repo['1490545']);
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final mergeIndex = repo.mergeCommits(
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ourCommit: ourCommit,
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theirCommit: theirCommit,
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favor: GitMergeFileFavor.ours,
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);
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expect(mergeIndex.conflicts, isEmpty);
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mergeIndex.free();
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ourCommit.free();
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theirCommit.free();
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});
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test('successfully merges with provided merge and file flags', () {
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final theirCommit = repo.lookupCommit(repo['5aecfa0']);
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final ourCommit = repo.lookupCommit(repo['1490545']);
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final mergeIndex = repo.mergeCommits(
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ourCommit: ourCommit,
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theirCommit: theirCommit,
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mergeFlags: {
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GitMergeFlag.findRenames,
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GitMergeFlag.noRecursive,
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},
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fileFlags: {
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GitMergeFileFlag.ignoreWhitespace,
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GitMergeFileFlag.ignoreWhitespaceEOL,
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GitMergeFileFlag.styleMerge,
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},
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);
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expect(mergeIndex.conflicts, isEmpty);
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mergeIndex.free();
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ourCommit.free();
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theirCommit.free();
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});
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test('throws when error occurs', () {
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expect(
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() => repo.mergeCommits(
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ourCommit: Commit(nullptr),
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theirCommit: Commit(nullptr),
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),
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throwsA(isA<LibGit2Error>()),
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);
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});
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});
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test('successfully finds merge base', () {
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var base = repo.mergeBase(a: repo['1490545'], b: repo['5aecfa0']);
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expect(base.sha, 'fc38877b2552ab554752d9a77e1f48f738cca79b');
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base = repo.mergeBase(a: repo['f17d0d4'], b: repo['5aecfa0']);
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expect(base.sha, 'f17d0d48eae3aa08cecf29128a35e310c97b3521');
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});
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test('throws when trying to find merge base for invalid oid', () {
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expect(
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() => repo.mergeBase(a: repo['0' * 40], b: repo['5aecfa0']),
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throwsA(isA<LibGit2Error>()),
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);
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});
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group('merge trees', () {
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test('successfully merges with default values', () {
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final theirCommit = repo.lookupCommit(repo['5aecfa0']);
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final ourCommit = repo.lookupCommit(repo['1490545']);
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final baseCommit = repo.lookupCommit(
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repo.mergeBase(
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a: ourCommit.oid,
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b: theirCommit.oid,
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),
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);
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final theirTree = theirCommit.tree;
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final ourTree = ourCommit.tree;
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final ancestorTree = baseCommit.tree;
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final mergeIndex = repo.mergeTrees(
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ancestorTree: ancestorTree,
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ourTree: ourTree,
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theirTree: theirTree,
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);
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expect(mergeIndex.conflicts, isEmpty);
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final mergeTreesTree = mergeIndex.writeTree(repo);
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repo.setHead(ourCommit.oid);
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repo.merge(theirCommit.oid);
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final index = repo.index;
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expect(index.conflicts, isEmpty);
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final mergeTree = index.writeTree();
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expect(mergeTreesTree == mergeTree, true);
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index.free();
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mergeIndex.free();
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ancestorTree.free();
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ourTree.free();
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theirTree.free();
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baseCommit.free();
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ourCommit.free();
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theirCommit.free();
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});
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test('successfully merges with provided favor', () {
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final theirCommit = repo.lookupCommit(repo['5aecfa0']);
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final ourCommit = repo.lookupCommit(repo['1490545']);
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final baseCommit = repo.lookupCommit(
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repo.mergeBase(
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a: ourCommit.oid,
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b: theirCommit.oid,
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),
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);
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final theirTree = theirCommit.tree;
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final ourTree = ourCommit.tree;
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final ancestorTree = baseCommit.tree;
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final mergeIndex = repo.mergeTrees(
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ancestorTree: ancestorTree,
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ourTree: ourTree,
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theirTree: theirTree,
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favor: GitMergeFileFavor.ours,
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);
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expect(mergeIndex.conflicts, isEmpty);
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mergeIndex.free();
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ancestorTree.free();
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ourTree.free();
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theirTree.free();
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baseCommit.free();
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ourCommit.free();
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theirCommit.free();
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});
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test('throws when error occurs', () {
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expect(
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() => Repository(nullptr).mergeTrees(
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ancestorTree: Tree(nullptr),
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ourTree: Tree(nullptr),
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theirTree: Tree(nullptr),
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),
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throwsA(isA<LibGit2Error>()),
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);
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});
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});
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test('successfully cherry-picks commit', () {
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final cherry = repo.lookupCommit(repo['5aecfa0']);
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repo.cherryPick(cherry);
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expect(repo.state, GitRepositoryState.cherrypick);
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expect(repo.message, 'add another feature file\n');
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final index = repo.index;
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expect(index.conflicts, isEmpty);
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// pretend we've done commit
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repo.removeMessage();
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expect(
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() => repo.message,
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throwsA(isA<LibGit2Error>()),
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);
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index.free();
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});
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test('throws when error occurs', () {
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expect(
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() => repo.cherryPick(Commit(nullptr)),
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throwsA(isA<LibGit2Error>()),
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);
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});
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});
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}
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