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Unified Diff: sdk/lib/_internal/dartdoc/test/export_map_test.dart

Issue 14194003: Revert "Revert "Attempt to re-commit Dartdoc exports."" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Maybe... Created 7 years, 8 months ago
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Index: sdk/lib/_internal/dartdoc/test/export_map_test.dart
diff --git a/sdk/lib/_internal/dartdoc/test/export_map_test.dart b/sdk/lib/_internal/dartdoc/test/export_map_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..9ac428869303a8c8335f7b64e0ce45e684460bdb
--- /dev/null
+++ b/sdk/lib/_internal/dartdoc/test/export_map_test.dart
@@ -0,0 +1,400 @@
+// 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.
+
+import 'dart:io';
+import 'dart:uri';
+
+import 'package:pathos/path.dart' as pathos;
+import 'package:unittest/unittest.dart';
+
+import '../lib/src/export_map.dart';
+import '../lib/src/dartdoc/utils.dart';
+
+String tempDir;
+
+main() {
+ group('ExportMap', () {
+ setUp(createTempDir);
+ tearDown(deleteTempDir);
+
+ test('with an empty library', () {
+ createLibrary('lib.dart');
+ var map = parse(['lib.dart']);
+
+ var expectedExports = {};
+ expectedExports[libPath('lib.dart')] = [];
+ expect(map.exports, equals(expectedExports));
+ expect(map.allExportedFiles, isEmpty);
+ expect(map.transitiveExports(libPath('lib.dart')), isEmpty);
+ expect(map.transitiveExports(libPath('nonexistent.dart')), isEmpty);
+ });
+
+ test('with one library with one export', () {
+ createLibrary('a.dart', 'export "b.dart";');
+ createLibrary('b.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'))
+ ]));
+
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'))
+ ]));
+
+ expect(map.allExportedFiles, unorderedEquals([libPath('b.dart')]));
+
+ expect(map.exports[libPath('b.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('b.dart')), isEmpty);
+ });
+
+ test('with one library with multiple exports', () {
+ createLibrary('a.dart', 'export "b.dart";\nexport "c.dart";');
+ createLibrary('b.dart');
+ createLibrary('c.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ new Export(libPath('a.dart'), libPath('c.dart'))
+ ]));
+
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ new Export(libPath('a.dart'), libPath('c.dart'))
+ ]));
+
+ expect(map.allExportedFiles, unorderedEquals([
+ libPath('b.dart'), libPath('c.dart')
+ ]));
+
+ expect(map.exports[libPath('b.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('b.dart')), isEmpty);
+ expect(map.exports[libPath('c.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('c.dart')), isEmpty);
+ });
+
+ test('with two libraries each with one export', () {
+ createLibrary('a.dart', 'export "a_export.dart";');
+ createLibrary('b.dart', 'export "b_export.dart";');
+ createLibrary('a_export.dart');
+ createLibrary('b_export.dart');
+ var map = parse(['a.dart', 'b.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('a_export.dart')),
+ ]));
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('a_export.dart')),
+ ]));
+
+ expect(map.transitiveExports(libPath('b.dart')), unorderedEquals([
+ new Export(libPath('b.dart'), libPath('b_export.dart')),
+ ]));
+ expect(map.exports[libPath('b.dart')], unorderedEquals([
+ new Export(libPath('b.dart'), libPath('b_export.dart'))
+ ]));
+
+ expect(map.allExportedFiles, unorderedEquals([
+ libPath('a_export.dart'), libPath('b_export.dart')
+ ]));
+
+ expect(map.exports[libPath('a_export.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('a_export.dart')), isEmpty);
+ expect(map.exports[libPath('b_export.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('b_export.dart')), isEmpty);
+ });
+
+ test('with a transitive export', () {
+ createLibrary('a.dart', 'export "b.dart";');
+ createLibrary('b.dart', 'export "c.dart";');
+ createLibrary('c.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ ]));
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ new Export(libPath('a.dart'), libPath('c.dart')),
+ ]));
+
+ expect(map.exports[libPath('b.dart')], unorderedEquals([
+ new Export(libPath('b.dart'), libPath('c.dart')),
+ ]));
+ expect(map.transitiveExports(libPath('b.dart')), unorderedEquals([
+ new Export(libPath('b.dart'), libPath('c.dart')),
+ ]));
+
+ expect(map.allExportedFiles, unorderedEquals([
+ libPath('b.dart'), libPath('c.dart')
+ ]));
+
+ expect(map.exports[libPath('c.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('c.dart')), isEmpty);
+ });
+
+ test('with an export through an import', () {
+ createLibrary('a.dart', 'import "b.dart";');
+ createLibrary('b.dart', 'export "c.dart";');
+ createLibrary('c.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('b.dart')], unorderedEquals([
+ new Export(libPath('b.dart'), libPath('c.dart')),
+ ]));
+ expect(map.transitiveExports(libPath('b.dart')), unorderedEquals([
+ new Export(libPath('b.dart'), libPath('c.dart')),
+ ]));
+
+ expect(map.allExportedFiles, unorderedEquals([libPath('c.dart')]));
+
+ expect(map.exports[libPath('a.dart')], isEmpty);
+ expect(map.exports[libPath('c.dart')], isEmpty);
+ expect(map.transitiveExports(libPath('a.dart')), isEmpty);
+ expect(map.transitiveExports(libPath('c.dart')), isEmpty);
+ });
+
+ test('with an export with a show combinator', () {
+ createLibrary('a.dart', 'export "b.dart" show x, y;');
+ createLibrary('b.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), show: ['x', 'y'])
+ ]));
+ });
+
+ test('with an export with a hide combinator', () {
+ createLibrary('a.dart', 'export "b.dart" hide x, y;');
+ createLibrary('b.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), hide: ['x', 'y'])
+ ]));
+ });
+
+ test('with an export with a show and a hide combinator', () {
+ createLibrary('a.dart', 'export "b.dart" show x, y hide y, z;');
+ createLibrary('b.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), show: ['x'])
+ ]));
+ });
+
+ test('composes transitive exports', () {
+ createLibrary('a.dart', 'export "b.dart" hide x;');
+ createLibrary('b.dart', 'export "c.dart" hide y;');
+ createLibrary('c.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), hide: ['x']),
+ new Export(libPath('a.dart'), libPath('c.dart'), hide: ['x', 'y'])
+ ]));
+ });
+
+ test('merges adjacent exports', () {
+ createLibrary('a.dart', '''
+ export "b.dart" show x, y;
+ export "b.dart" hide y, z;
+ ''');
+ createLibrary('b.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), hide: ['z']),
+ ]));
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart'), hide: ['z']),
+ ]));
+ });
+
+ test('merges adjacent exports transitively', () {
+ createLibrary('a.dart', 'export "b.dart";\nexport "c.dart";');
+ createLibrary('b.dart', 'export "d.dart" show x, y;');
+ createLibrary('c.dart', 'export "d.dart" hide y, z;');
+ createLibrary('d.dart');
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ new Export(libPath('a.dart'), libPath('c.dart')),
+ ]));
+ expect(map.transitiveExports(libPath('a.dart')), unorderedEquals([
+ new Export(libPath('a.dart'), libPath('b.dart')),
+ new Export(libPath('a.dart'), libPath('c.dart')),
+ new Export(libPath('a.dart'), libPath('d.dart'), hide: ['z']),
+ ]));
+ });
+
+ test('resolves package: exports', () {
+ createLibrary('a.dart', 'export "package:b/b.dart";');
+ var bPath = pathos.join('packages', 'b', 'b.dart');
+ createLibrary(bPath);
+ var map = parse(['a.dart']);
+
+ expect(map.exports[libPath('a.dart')], unorderedEquals([
+ new Export(libPath('a.dart'), libPath(bPath))
+ ]));
+ });
+
+ test('ignores dart: exports', () {
+ createLibrary('a.dart', 'export "dart:async";');
+ var map = parse(['a.dart']);
+ expect(map.exports[libPath('a.dart')], isEmpty);
+ });
+
+ test('.parse() resolves package: imports', () {
+ var aPath = pathos.join('packages', 'a', 'a.dart');
+ createLibrary(aPath, 'export "package:b/b.dart";');
+ var bPath = pathos.join('packages', 'b', 'b.dart');
+ createLibrary(bPath);
+ var map = new ExportMap.parse(
+ [Uri.parse('package:a/a.dart')],
+ pathos.join(tempDir, 'packages'));
+
+ expect(map.exports[libPath(aPath)], unorderedEquals([
+ new Export(libPath(aPath), libPath(bPath))
+ ]));
+ });
+
+ test('.parse() ignores dart: imports', () {
+ var map = new ExportMap.parse(
+ [Uri.parse('dart:async')],
+ pathos.join(tempDir, 'packages'));
+ expect(map.exports, isEmpty);
+ });
+ });
+
+ group('Export', () {
+ test('normalizes hide and show', () {
+ expect(new Export('', '', show: ['x', 'y'], hide: ['y', 'z']),
+ equals(new Export('', '', show: ['x'])));
+ });
+
+ test("doesn't care about the order of show or hide", () {
+ expect(new Export('', '', show: ['x', 'y']),
+ equals(new Export('', '', show: ['y', 'x'])));
+ expect(new Export('', '', hide: ['x', 'y']),
+ equals(new Export('', '', hide: ['y', 'x'])));
+ });
+
+ test('with no combinators considers anything visible', () {
+ var export = new Export('', '');
+ expect(export.isMemberVisible('x'), isTrue);
+ expect(export.isMemberVisible('y'), isTrue);
+ expect(export.isMemberVisible('z'), isTrue);
+ });
+
+ test('with hide combinators considers anything not hidden visible', () {
+ var export = new Export('', '', hide: ['x', 'y']);
+ expect(export.isMemberVisible('x'), isFalse);
+ expect(export.isMemberVisible('y'), isFalse);
+ expect(export.isMemberVisible('z'), isTrue);
+ });
+
+ test('with show combinators considers anything not shown invisible', () {
+ var export = new Export('', '', show: ['x', 'y']);
+ expect(export.isMemberVisible('x'), isTrue);
+ expect(export.isMemberVisible('y'), isTrue);
+ expect(export.isMemberVisible('z'), isFalse);
+ });
+
+ test('composing uses the parent exporter and child path', () {
+ expect(new Export('exporter1.dart', 'path1.dart')
+ .compose(new Export('exporter2.dart', 'path2.dart')),
+ equals(new Export('exporter1.dart', 'path2.dart')));
+ });
+
+ test('composing show . show takes the intersection', () {
+ expect(new Export('', '', show: ['x', 'y'])
+ .compose(new Export('', '', show: ['y', 'z'])),
+ equals(new Export('', '', show: ['y'])));
+ });
+
+ test('composing show . hide takes the difference', () {
+ expect(new Export('', '', show: ['x', 'y'])
+ .compose(new Export('', '', hide: ['y', 'z'])),
+ equals(new Export('', '', show: ['x'])));
+ });
+
+ test('composing hide . show takes the reverse difference', () {
+ expect(new Export('', '', hide: ['x', 'y'])
+ .compose(new Export('', '', show: ['y', 'z'])),
+ equals(new Export('', '', show: ['z'])));
+ });
+
+ test('composing hide . hide takes the union', () {
+ expect(new Export('', '', hide: ['x', 'y'])
+ .compose(new Export('', '', hide: ['y', 'z'])),
+ equals(new Export('', '', hide: ['x', 'y', 'z'])));
+ });
+
+ test('merging requires identical exporters and paths', () {
+ expect(() => new Export('exporter1.dart', '')
+ .merge(new Export('exporter2.dart', '')),
+ throwsA(isArgumentError));
+ expect(() => new Export('', 'path1.dart')
+ .merge(new Export('', 'path2.dart')),
+ throwsA(isArgumentError));
+ expect(new Export('', '').merge(new Export('', '')),
+ equals(new Export('', '')));
+ });
+
+ test('merging show + show takes the union', () {
+ expect(new Export('', '', show: ['x', 'y'])
+ .merge(new Export('', '', show: ['y', 'z'])),
+ equals(new Export('', '', show: ['x', 'y', 'z'])));
+ });
+
+ test('merging show + hide takes the difference', () {
+ expect(new Export('', '', show: ['x', 'y'])
+ .merge(new Export('', '', hide: ['y', 'z'])),
+ equals(new Export('', '', hide: ['z'])));
+ });
+
+ test('merging hide + show takes the difference', () {
+ expect(new Export('', '', hide: ['x', 'y'])
+ .merge(new Export('', '', show: ['y', 'z'])),
+ equals(new Export('', '', hide: ['x'])));
+ });
+
+ test('merging hide + hide takes the intersection', () {
+ expect(new Export('', '', hide: ['x', 'y'])
+ .merge(new Export('', '', hide: ['y', 'z'])),
+ equals(new Export('', '', hide: ['y'])));
+ });
+ });
+}
+
+ExportMap parse(List<String> libraries) {
+ return new ExportMap.parse(
+ libraries.map(libPath)
+ .map(pathToFileUri),
+ pathos.join(tempDir, 'packages'));
+}
+
+void createLibrary(String name, [String contents]) {
+ if (contents == null) contents = '';
+ new Directory(pathos.dirname(libPath(name))).createSync(recursive: true);
+ new File(libPath(name)).writeAsStringSync('''
+ library ${pathos.basename(name)};
+ $contents
+ ''');
+}
+
+String libPath(String name) => pathos.normalize(pathos.join(tempDir, name));
+
+void createTempDir() {
+ tempDir = new Directory('').createTempSync().path;
+ new Directory(pathos.join(tempDir, 'packages')).createSync();
+}
+
+void deleteTempDir() {
+ new Directory(tempDir).deleteSync(recursive: true);
+}
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