angular-cn/tools/transpiler/unittest/transpilertests.js

var compiler = require('../index');

// fixme: copied from top of gulpfile
var OPTIONS = {
  sourceMaps: true,
  annotations: true, // parse annotations
  types: true, // parse types
  script: false, // parse as a module
  memberVariables: true, // parse class fields
  outputLanguage: 'dart'
};

describe('transpile to dart', function(){

  // https://github.com/angular/angular/issues/509
  describe('string interpolation', function() {
    it('should not interpolate inside old quotes', function(){
      var result = compiler.compile(OPTIONS, "test.js",
        "var a:number = 1;" +
        "var s1:string = \"${a}\";" +
        "var s2:string = '\\${a}';" +
        "var s3:string = '$a';");
      expect(result.js).toBe("library test_dart;\n" +
      "num a = 1;\n" +
      "String s1 = \"\\${a}\";\n" +
      "String s2 = '\\${a}';\n" +
      "String s3 = '\\$a';\n");
    });

    it('should not interpolate without curly braces', function() {
      var result = compiler.compile(OPTIONS, "test.js",
        "var a:number = 1;" +
        "var s1:string = `$a`;" +
        "var s2:string = `\\$a`;");
      expect(result.js).toBe("library test_dart;\n" +
      "num a = 1;\n" +
      "String s1 = '''\\$a''';\n" +
      "String s2 = '''\\$a''';\n");
    });

    it('should interpolate inside template quotes', function() {
      var result = compiler.compile(OPTIONS, "test.js",
        "var a:number = 1;" +
        "var s1:string = `${a}`;");
      expect(result.js).toBe("library test_dart;\n" +
      "num a = 1;\n" +
      "String s1 = '''${a}''';\n");
    });
  });
});