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test: improve coverage

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This commit is contained in:
Aleksey Kulikov 2022-01-26 15:41:28 +03:00
parent bad5e20581
commit 4ac0c10237
17 changed files with 171 additions and 40 deletions
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82
test/diff_test.dart
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@ -86,6 +86,20 @@ void main() {
'subdir/modified_file',
];
const treeToEmptyTree = [
'current_file',
'file_deleted',
'modified_file',
'staged_changes',
'staged_changes_file_deleted',
'staged_changes_file_modified',
'staged_delete',
'staged_delete_file_modified',
'subdir/current_file',
'subdir/deleted_file',
'subdir/modified_file',
];
const patchText = """
diff --git a/subdir/modified_file b/subdir/modified_file
index e69de29..c217c63 100644
@ -150,6 +164,25 @@ index e69de29..c217c63 100644
index.free();
});
test('returns diff between index and empty tree', () {
final index = repo.index;
final head = repo.head;
final commit = Commit.lookup(repo: repo, oid: head.target);
final tree = commit.tree;
final diff = Diff.treeToIndex(repo: repo, tree: null, index: index);
expect(diff.length, 12);
for (var i = 0; i < diff.deltas.length; i++) {
expect(diff.deltas[i].newFile.path, indexToIndex[i]);
}
commit.free();
head.free();
tree.free();
diff.free();
index.free();
});
test('returns diff between tree and workdir', () {
final head = repo.head;
final commit = Commit.lookup(repo: repo, oid: head.target);
@ -223,6 +256,42 @@ index e69de29..c217c63 100644
diff.free();
});
test('returns diff between tree and empty tree', () {
final head = repo.head;
final commit = Commit.lookup(repo: repo, oid: head.target);
final tree = commit.tree;
final diff = Diff.treeToTree(repo: repo, oldTree: tree, newTree: null);
expect(diff.length, 11);
for (var i = 0; i < diff.deltas.length; i++) {
expect(diff.deltas[i].newFile.path, treeToEmptyTree[i]);
}
commit.free();
head.free();
tree.free();
diff.free();
});
test('returns diff between empty tree and tree', () {
final head = repo.head;
final commit = Commit.lookup(repo: repo, oid: head.target);
final tree = commit.tree;
final diff = Diff.treeToTree(repo: repo, oldTree: null, newTree: tree);
expect(diff.length, 11);
for (var i = 0; i < diff.deltas.length; i++) {
expect(diff.deltas[i].newFile.path, treeToEmptyTree[i]);
}
commit.free();
head.free();
tree.free();
diff.free();
});
test('throws when trying to diff between tree and tree and error occurs',
() {
final nullTree = Tree(nullptr);
@ -405,6 +474,19 @@ index e69de29..c217c63 100644
diff.free();
});
test('does not apply hunk with non existing index', () {
final diff = Diff.parse(patchText);
final file = File(p.join(tmpDir.path, 'subdir', 'modified_file'));
Checkout.head(repo: repo, strategy: {GitCheckout.force});
expect(file.readAsStringSync(), '');
diff.apply(repo: repo, hunkIndex: 10);
expect(file.readAsStringSync(), '');
diff.free();
});
test('applies diff to tree', () {
final diff = Diff.parse(patchText);