| // Copyright 2020 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| import 'package:test/test.dart'; |
| import 'package:yaml/yaml.dart'; |
| import 'package:yaml_edit/yaml_edit.dart'; |
| |
| import 'test_utils.dart'; |
| |
| void main() { |
| group('throws PathError', () { |
| test('if it is a map', () { |
| final doc = YamlEditor('a:1'); |
| expect(() => doc.prependToList([], 4), throwsPathError); |
| }); |
| |
| test('if it is a scalar', () { |
| final doc = YamlEditor('1'); |
| expect(() => doc.prependToList([], 4), throwsPathError); |
| }); |
| }); |
| |
| group('flow list', () { |
| test('(1)', () { |
| final doc = YamlEditor('[1, 2]'); |
| doc.prependToList([], 0); |
| expect(doc.toString(), equals('[0, 1, 2]')); |
| expectYamlBuilderValue(doc, [0, 1, 2]); |
| }); |
| |
| test('null value', () { |
| final doc = YamlEditor('[1, 2]'); |
| doc.prependToList([], null); |
| expect(doc.toString(), equals('[null, 1, 2]')); |
| expectYamlBuilderValue(doc, [null, 1, 2]); |
| }); |
| |
| test('with spaces (1)', () { |
| final doc = YamlEditor('[ 1 , 2 ]'); |
| doc.prependToList([], 0); |
| expect(doc.toString(), equals('[ 0, 1 , 2 ]')); |
| expectYamlBuilderValue(doc, [0, 1, 2]); |
| }); |
| }); |
| |
| group('block list', () { |
| test('(1)', () { |
| final doc = YamlEditor(''' |
| - 1 |
| - 2'''); |
| doc.prependToList([], 0); |
| expect(doc.toString(), equals(''' |
| - 0 |
| - 1 |
| - 2''')); |
| expectYamlBuilderValue(doc, [0, 1, 2]); |
| }); |
| |
| /// Regression testing for no trailing spaces. |
| test('(2)', () { |
| final doc = YamlEditor('''- 1 |
| - 2'''); |
| doc.prependToList([], 0); |
| expect(doc.toString(), equals('''- 0 |
| - 1 |
| - 2''')); |
| expectYamlBuilderValue(doc, [0, 1, 2]); |
| }); |
| |
| test('(3)', () { |
| final doc = YamlEditor(''' |
| - 1 |
| - 2 |
| '''); |
| doc.prependToList([], [4, 5, 6]); |
| expect(doc.toString(), equals(''' |
| - - 4 |
| - 5 |
| - 6 |
| - 1 |
| - 2 |
| ''')); |
| expectYamlBuilderValue(doc, [ |
| [4, 5, 6], |
| 1, |
| 2 |
| ]); |
| }); |
| |
| test('(4)', () { |
| final doc = YamlEditor(''' |
| a: |
| - b |
| - - c |
| - d |
| '''); |
| doc.prependToList( |
| ['a'], wrapAsYamlNode({1: 2}, collectionStyle: CollectionStyle.FLOW)); |
| |
| expect(doc.toString(), equals(''' |
| a: |
| - {1: 2} |
| - b |
| - - c |
| - d |
| ''')); |
| expectYamlBuilderValue(doc, { |
| 'a': [ |
| {1: 2}, |
| 'b', |
| ['c', 'd'] |
| ] |
| }); |
| }); |
| |
| test('with comments ', () { |
| final doc = YamlEditor(''' |
| # comments |
| - 1 # comments |
| - 2 |
| '''); |
| doc.prependToList([], 0); |
| expect(doc.toString(), equals(''' |
| # comments |
| - 0 |
| - 1 # comments |
| - 2 |
| ''')); |
| expectYamlBuilderValue(doc, [0, 1, 2]); |
| }); |
| |
| test('nested in map', () { |
| final doc = YamlEditor(''' |
| a: |
| - 1 |
| - 2 |
| '''); |
| doc.prependToList(['a'], 0); |
| expect(doc.toString(), equals(''' |
| a: |
| - 0 |
| - 1 |
| - 2 |
| ''')); |
| expectYamlBuilderValue(doc, { |
| 'a': [0, 1, 2] |
| }); |
| }); |
| |
| test('nested in map with comments ', () { |
| final doc = YamlEditor(''' |
| a: # comments |
| - 1 # comments |
| - 2 |
| '''); |
| doc.prependToList(['a'], 0); |
| expect(doc.toString(), equals(''' |
| a: # comments |
| - 0 |
| - 1 # comments |
| - 2 |
| ''')); |
| expectYamlBuilderValue(doc, { |
| 'a': [0, 1, 2] |
| }); |
| }); |
| }); |
| } |