| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library polymer.test.refactor_test; |
| |
| import 'package:test/test.dart'; |
| import 'package:source_maps/refactor.dart'; |
| import 'package:source_maps/parser.dart' show parse, Mapping; |
| import 'package:source_span/source_span.dart'; |
| |
| main() { |
| group('conflict detection', () { |
| var original = "0123456789abcdefghij"; |
| var file = new SourceFile(original); |
| |
| test('no conflict, in order', () { |
| var txn = new TextEditTransaction(original, file); |
| txn.edit(2, 4, '.'); |
| txn.edit(5, 5, '|'); |
| txn.edit(6, 6, '-'); |
| txn.edit(6, 7, '_'); |
| expect((txn.commit()..build('')).text, "01.4|5-_789abcdefghij"); |
| }); |
| |
| test('no conflict, out of order', () { |
| var txn = new TextEditTransaction(original, file); |
| txn.edit(2, 4, '.'); |
| txn.edit(5, 5, '|'); |
| |
| // Regresion test for issue #404: there is no conflict/overlap for edits |
| // that don't remove any of the original code. |
| txn.edit(6, 7, '_'); |
| txn.edit(6, 6, '-'); |
| expect((txn.commit()..build('')).text, "01.4|5-_789abcdefghij"); |
| |
| }); |
| |
| test('conflict', () { |
| var txn = new TextEditTransaction(original, file); |
| txn.edit(2, 4, '.'); |
| txn.edit(3, 3, '-'); |
| expect(() => txn.commit(), throwsA(predicate( |
| (e) => e.toString().contains('overlapping edits')))); |
| }); |
| }); |
| |
| test('generated source maps', () { |
| var original = |
| "0123456789\n0*23456789\n01*3456789\nabcdefghij\nabcd*fghij\n"; |
| var file = new SourceFile(original); |
| var txn = new TextEditTransaction(original, file); |
| txn.edit(27, 29, '__\n '); |
| txn.edit(34, 35, '___'); |
| var printer = (txn.commit()..build('')); |
| var output = printer.text; |
| var map = parse(printer.map); |
| expect(output, |
| "0123456789\n0*23456789\n01*34__\n 789\na___cdefghij\nabcd*fghij\n"); |
| |
| // Line 1 and 2 are unmodified: mapping any column returns the beginning |
| // of the corresponding line: |
| expect(_span(1, 1, map, file), |
| "line 1, column 1: \n" |
| "0123456789\n" |
| "^"); |
| expect(_span(1, 5, map, file), |
| "line 1, column 1: \n" |
| "0123456789\n" |
| "^"); |
| expect(_span(2, 1, map, file), |
| "line 2, column 1: \n" |
| "0*23456789\n" |
| "^"); |
| expect(_span(2, 8, map, file), |
| "line 2, column 1: \n" |
| "0*23456789\n" |
| "^"); |
| |
| // Line 3 is modified part way: mappings before the edits have the right |
| // mapping, after the edits the mapping is null. |
| expect(_span(3, 1, map, file), |
| "line 3, column 1: \n" |
| "01*3456789\n" |
| "^"); |
| expect(_span(3, 5, map, file), |
| "line 3, column 1: \n" |
| "01*3456789\n" |
| "^"); |
| |
| // Start of edits map to beginning of the edit secion: |
| expect(_span(3, 6, map, file), |
| "line 3, column 6: \n" |
| "01*3456789\n" |
| " ^"); |
| expect(_span(3, 7, map, file), |
| "line 3, column 6: \n" |
| "01*3456789\n" |
| " ^"); |
| |
| // Lines added have no mapping (they should inherit the last mapping), |
| // but the end of the edit region continues were we left off: |
| expect(_span(4, 1, map, file), isNull); |
| expect(_span(4, 5, map, file), |
| "line 3, column 8: \n" |
| "01*3456789\n" |
| " ^"); |
| |
| // Subsequent lines are still mapped correctly: |
| // a (in a___cd...) |
| expect(_span(5, 1, map, file), |
| "line 4, column 1: \n" |
| "abcdefghij\n" |
| "^"); |
| // _ (in a___cd...) |
| expect(_span(5, 2, map, file), |
| "line 4, column 2: \n" |
| "abcdefghij\n" |
| " ^"); |
| // _ (in a___cd...) |
| expect(_span(5, 3, map, file), |
| "line 4, column 2: \n" |
| "abcdefghij\n" |
| " ^"); |
| // _ (in a___cd...) |
| expect(_span(5, 4, map, file), |
| "line 4, column 2: \n" |
| "abcdefghij\n" |
| " ^"); |
| // c (in a___cd...) |
| expect(_span(5, 5, map, file), |
| "line 4, column 3: \n" |
| "abcdefghij\n" |
| " ^"); |
| expect(_span(6, 1, map, file), |
| "line 5, column 1: \n" |
| "abcd*fghij\n" |
| "^"); |
| expect(_span(6, 8, map, file), |
| "line 5, column 1: \n" |
| "abcd*fghij\n" |
| "^"); |
| }); |
| } |
| |
| String _span(int line, int column, Mapping map, SourceFile file) { |
| var span = map.spanFor(line - 1, column - 1, files: {'': file}); |
| return span == null ? null : span.message('').trim(); |
| } |