expression_extractor_spec.dart

library ng.tool.expression_extractor_spec;

import 'package:di/di.dart';
import 'package:di/dynamic_injector.dart';
import 'package:angular/tools/common.dart';
import 'package:angular/tools/io.dart';
import 'package:angular/tools/io_impl.dart';
import 'package:angular/tools/source_crawler_impl.dart';
import 'package:angular/tools/html_extractor.dart';
import 'package:angular/tools/source_metadata_extractor.dart';
import '../jasmine_syntax.dart';
import 'package:unittest/unittest.dart';

void main() {
  describe('expression_extractor', () {

    Iterable<String> _extractExpressions(file) {
      Module module = new Module();
      Injector injector = new DynamicInjector(modules: [module],
      allowImplicitInjection: true);

      IoService ioService = new IoServiceImpl();
      var sourceCrawler = new SourceCrawlerImpl(['packages/']);
      var sourceMetadataExtractor = new SourceMetadataExtractor();
      List<DirectiveInfo> directives =
      sourceMetadataExtractor
      .gatherDirectiveInfo(file, sourceCrawler);
      var htmlExtractor = new HtmlExpressionExtractor(directives);
      htmlExtractor.crawl('test/io/test_files/', ioService);

      return htmlExtractor.expressions;
    }

    it('should extract all expressions from source and templates', () {
      var expressions = _extractExpressions('test/io/test_files/main.dart');

      expect(expressions, unorderedEquals([
          'ctrl.expr',
          'ctrl.anotherExpression',
          'ctrl.callback',
          'ctrl.twoWayStuff',
          'attr',
          'expr',
          'anotherExpression',
          'callback',
          'twoWayStuff',
          'exported + expression',
          'ctrl.inline.template.expression',
          'ngIfCondition',
          'ctrl.if'
      ]));
    });

    it('should extract expressions from ngRoute viewHtml', () {
      var expressions = _extractExpressions('test/io/test_files/routing.dart');
      expect(expressions, contains('foo'));
      expect(expressions, contains('bar'));
    });
  });
}