// Copyright 2017 Google Inc. Use of this source code is governed by an // MIT-style license that can be found in the LICENSE file or at // https://opensource.org/licenses/MIT. import 'dart:async'; import 'package:dart2_constant/convert.dart' as convert; import 'package:js/js.dart'; import 'package:test/test.dart'; import '../hybrid.dart'; import 'api.dart'; String sandbox; void useSandbox() { setUp(() async { sandbox = await createTempDir(); }); tearDown(() async { if (sandbox != null) await deleteDirectory(sandbox); }); } /// Validates that a [RenderError]'s `toString()` and `message` both equal /// [text]. Matcher toStringAndMessageEqual(String text) => predicate((error) { expect(error.toString(), equals("Error: $text")); expect(error.message, equals(text)); return true; }); /// Returns the result of rendering via [options] as a string. Future render(RenderOptions options) { var completer = new Completer(); sass.render(options, allowInterop(Zone.current.bindBinaryCallbackGuarded((error, result) { expect(error, isNull); completer.complete(convert.utf8.decode(result.css)); }))); return completer.future; } /// Asserts that rendering via [options] produces an error, and returns that /// error. Future renderError(RenderOptions options) { var completer = new Completer(); sass.render(options, allowInterop(Zone.current.bindBinaryCallbackGuarded((error, result) { expect(result, isNull); completer.complete(error); }))); return completer.future; } /// Returns the result of rendering via [options] as a string. String renderSync(RenderOptions options) => convert.utf8.decode(sass.renderSync(options).css); /// Asserts that rendering via [options] produces an error, and returns that /// error. RenderError renderSyncError(RenderOptions options) { try { sass.renderSync(options); } catch (error) { return error as RenderError; } throw "Expected renderSync() to throw an error."; }