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feat(diff): add more bindings and api methods (#18)

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This commit is contained in:
Aleksey Kulikov 2021-12-14 12:53:17 +03:00 • committed by GitHub
parent 6c1735d67d
commit b3e9f6dd1a
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3 changed files with 238 additions and 29 deletions
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169
test/diff_test.dart
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@ -242,45 +242,156 @@ index e69de29..c217c63 100644
diff.free();
});
test('checks if diff can be applied to repository', () {
final diff1 = repo.diff();
expect(repo.applies(diff: diff1, location: GitApplyLocation.both), false);
group('apply', () {
test('checks if diff can be applied to repository', () {
final diff1 = repo.diff();
expect(
repo.applies(diff: diff1, location: GitApplyLocation.both),
false,
);
final diff2 = Diff.parse(patchText);
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(repo.applies(diff: diff2, location: GitApplyLocation.both), true);
final diff2 = Diff.parse(patchText);
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(
repo.applies(diff: diff2, location: GitApplyLocation.both),
true,
);
diff1.free();
diff2.free();
});
diff1.free();
diff2.free();
});
test('successfully applies diff to repository', () {
final diff = Diff.parse(patchText);
final file = File('${tmpDir.path}/subdir/modified_file');
test('checks if hunk with provided index can be applied to repository',
() {
final diff1 = repo.diff();
expect(
repo.applies(diff: diff1, location: GitApplyLocation.both),
false,
);
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(file.readAsStringSync(), '');
final diff2 = Diff.parse(patchText);
final hunk = diff2.patches.first.hunks.first;
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(
repo.applies(
diff: diff2,
hunkIndex: hunk.index,
location: GitApplyLocation.both,
),
true,
);
repo.apply(diff: diff);
expect(file.readAsStringSync(), 'Modified content\n');
diff1.free();
diff2.free();
});
diff.free();
});
test('successfully applies diff to repository', () {
final diff = Diff.parse(patchText);
final file = File('${tmpDir.path}/subdir/modified_file');
test('throws when trying to apply diff and error occurs', () {
final nullDiff = Diff(nullptr);
expect(() => repo.apply(diff: nullDiff), throwsA(isA<LibGit2Error>()));
});
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(file.readAsStringSync(), '');
test('successfully creates patch from entry index in diff', () {
final diff = Diff.parse(patchText);
final patch = Patch.fromDiff(diff: diff, index: 0);
repo.apply(diff: diff);
expect(file.readAsStringSync(), 'Modified content\n');
expect(diff.length, 1);
expect(patch.text, patchText);
diff.free();
});
patch.free();
diff.free();
test('throws when trying to apply diff and error occurs', () {
final nullDiff = Diff(nullptr);
expect(() => repo.apply(diff: nullDiff), throwsA(isA<LibGit2Error>()));
});
test('successfully creates patch from entry index in diff', () {
final diff = Diff.parse(patchText);
final patch = Patch.fromDiff(diff: diff, index: 0);
expect(diff.length, 1);
expect(patch.text, patchText);
patch.free();
diff.free();
});
test('successfully applies hunk with provided index to repository', () {
final diff = Diff.parse(patchText);
final hunk = diff.patches.first.hunks.first;
final file = File('${tmpDir.path}/subdir/modified_file');
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
expect(file.readAsStringSync(), '');
repo.apply(diff: diff, hunkIndex: hunk.index);
expect(file.readAsStringSync(), 'Modified content\n');
diff.free();
});
test('successfully applies diff to tree', () {
final diff = Diff.parse(patchText);
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
final head = repo.head;
final commit = repo.lookupCommit(head.target);
final tree = commit.tree;
final oldIndex = repo.index;
final oldBlob = repo.lookupBlob(oldIndex['subdir/modified_file'].oid);
expect(oldBlob.content, '');
final newIndex = repo.applyToTree(diff: diff, tree: tree);
final newBlob = repo.lookupBlob(newIndex['subdir/modified_file'].oid);
expect(newBlob.content, 'Modified content\n');
oldBlob.free();
newBlob.free();
oldIndex.free();
newIndex.free();
tree.free();
commit.free();
head.free();
diff.free();
});
test('successfully applies hunk with provided index to tree', () {
final diff = Diff.parse(patchText);
final hunk = diff.patches.first.hunks.first;
repo.checkout(refName: 'HEAD', strategy: {GitCheckout.force});
final head = repo.head;
final commit = repo.lookupCommit(head.target);
final tree = commit.tree;
final oldIndex = repo.index;
final oldBlob = repo.lookupBlob(oldIndex['subdir/modified_file'].oid);
expect(oldBlob.content, '');
final newIndex = repo.applyToTree(
diff: diff,
tree: tree,
hunkIndex: hunk.index,
);
final newBlob = repo.lookupBlob(newIndex['subdir/modified_file'].oid);
expect(newBlob.content, 'Modified content\n');
oldBlob.free();
newBlob.free();
oldIndex.free();
newIndex.free();
tree.free();
commit.free();
head.free();
diff.free();
});
test('throws when trying to apply diff to tree and error occurs', () {
final diff = Diff.parse(patchText);
expect(
() => repo.applyToTree(diff: diff, tree: Tree(nullptr)),
throwsA(isA<LibGit2Error>()),
);
});
});
test('successfully finds similar entries', () {