diff options
| author | Misko Hevery | 2010-10-15 13:44:53 -0700 | 
|---|---|---|
| committer | Misko Hevery | 2010-10-15 13:44:53 -0700 | 
| commit | a36964799be3d21163ba6350d862fced2bbd3437 (patch) | |
| tree | 8c703eb9b19541c25c4e1105e511426a646c9c4d /test/ParserSpec.js | |
| parent | d320e3d2c3b72896603a3df3abd26adc0bfa3c10 (diff) | |
| download | angular.js-a36964799be3d21163ba6350d862fced2bbd3437.tar.bz2 | |
fixed lint warnings and one flaky test
Diffstat (limited to 'test/ParserSpec.js')
| -rw-r--r-- | test/ParserSpec.js | 463 | 
1 files changed, 463 insertions, 0 deletions
| diff --git a/test/ParserSpec.js b/test/ParserSpec.js new file mode 100644 index 00000000..e7b4e7f5 --- /dev/null +++ b/test/ParserSpec.js @@ -0,0 +1,463 @@ +desccribe('parser', function(){ +  describe('lexer', function(){ +    it('should TokenizeAString', function(){ +      var tokens = lex("a.bc[22]+1.3|f:'a\\\'c':\"d\\\"e\""); +      var i = 0; +      assertEquals(tokens[i].index, 0); +      assertEquals(tokens[i].text, 'a.bc'); + +      i++; +      assertEquals(tokens[i].index, 4); +      assertEquals(tokens[i].text, '['); + +      i++; +      assertEquals(tokens[i].index, 5); +      assertEquals(tokens[i].text, 22); + +      i++; +      assertEquals(tokens[i].index, 7); +      assertEquals(tokens[i].text, ']'); + +      i++; +      assertEquals(tokens[i].index, 8); +      assertEquals(tokens[i].text, '+'); + +      i++; +      assertEquals(tokens[i].index, 9); +      assertEquals(tokens[i].text, 1.3); + +      i++; +      assertEquals(tokens[i].index, 12); +      assertEquals(tokens[i].text, '|'); + +      i++; +      assertEquals(tokens[i].index, 13); +      assertEquals(tokens[i].text, 'f'); + +      i++; +      assertEquals(tokens[i].index, 14); +      assertEquals(tokens[i].text, ':'); + +      i++; +      assertEquals(tokens[i].index, 15); +      assertEquals(tokens[i].string, "a'c"); + +      i++; +      assertEquals(tokens[i].index, 21); +      assertEquals(tokens[i].text, ':'); + +      i++; +      assertEquals(tokens[i].index, 22); +      assertEquals(tokens[i].string, 'd"e'); +    }); + +    it('should TokenizeUndefined', function(){ +      var tokens = lex("undefined"); +      var i = 0; +      assertEquals(tokens[i].index, 0); +      assertEquals(tokens[i].text, 'undefined'); +      assertEquals(undefined, tokens[i].fn()); +    }); + + + +    it('should TokenizeRegExp', function(){ +      var tokens = lex("/r 1/"); +      var i = 0; +      assertEquals(tokens[i].index, 0); +      assertEquals(tokens[i].text, 'r 1'); +      assertEquals("r 1".match(tokens[i].fn())[0], 'r 1'); +    }); + +    it('should QuotedString', function(){ +      var str = "['\\'', \"\\\"\"]"; +      var tokens = lex(str); + +      assertEquals(1, tokens[1].index); +      assertEquals("'", tokens[1].string); + +      assertEquals(7, tokens[3].index); +      assertEquals('"', tokens[3].string); +    }); + +    it('should QuotedStringEscape', function(){ +      var str = '"\\"\\n\\f\\r\\t\\v\\u00A0"'; +      var tokens = lex(str); + +      assertEquals('"\n\f\r\t\v\u00A0', tokens[0].string); +    }); + +    it('should TokenizeUnicode', function(){ +      var tokens = lex('"\\u00A0"'); +      assertEquals(1, tokens.length); +      assertEquals('\u00a0', tokens[0].string); +    }); + +    it('should TokenizeRegExpWithOptions', function(){ +      var tokens = lex("/r/g"); +      var i = 0; +      assertEquals(tokens[i].index, 0); +      assertEquals(tokens[i].text, 'r'); +      assertEquals(tokens[i].flags, 'g'); +      assertEquals("rr".match(tokens[i].fn()).length, 2); +    }); + +    it('should TokenizeRegExpWithEscape', function(){ +      var tokens = lex("/\\/\\d/"); +      var i = 0; +      assertEquals(tokens[i].index, 0); +      assertEquals(tokens[i].text, '\\/\\d'); +      assertEquals("/1".match(tokens[i].fn())[0], '/1'); +    }); + +    it('should IgnoreWhitespace', function(){ +      var tokens = lex("a \t \n \r b"); +      assertEquals(tokens[0].text, 'a'); +      assertEquals(tokens[1].text, 'b'); +    }); + +    it('should Relation', function(){ +      var tokens = lex("! == != < > <= >="); +      assertEquals(tokens[0].text, '!'); +      assertEquals(tokens[1].text, '=='); +      assertEquals(tokens[2].text, '!='); +      assertEquals(tokens[3].text, '<'); +      assertEquals(tokens[4].text, '>'); +      assertEquals(tokens[5].text, '<='); +      assertEquals(tokens[6].text, '>='); +    }); + +    it('should Statements', function(){ +      var tokens = lex("a;b;"); +      assertEquals(tokens[0].text, 'a'); +      assertEquals(tokens[1].text, ';'); +      assertEquals(tokens[2].text, 'b'); +      assertEquals(tokens[3].text, ';'); +    }); + +    it('should Number', function(){ +      var tokens = lex("0.5"); +      expect(tokens[0].text).toEqual(0.5); +    }); + +    it('should NegativeNumber', function(){ +      var value = createScope().$eval("-0.5"); +      expect(value).toEqual(-0.5); + +      value = createScope().$eval("{a:-0.5}"); +      expect(value).toEqual({a:-0.5}); +    }); + +    it('should NumberExponent', function(){ +      var tokens = lex("0.5E-10"); +      expect(tokens[0].text).toEqual(0.5E-10); +      expect(createScope().$eval("0.5E-10")).toEqual(0.5E-10); + +      tokens = lex("0.5E+10"); +      expect(tokens[0].text).toEqual(0.5E+10); +    }); + +    it('should NumberExponentInvalid', function(){ +      assertThrows('Lexer found invalid exponential value "0.5E-"', function(){ +        lex("0.5E-"); +      }); +      assertThrows('Lexer found invalid exponential value "0.5E-A"', function(){ +        lex("0.5E-A"); +      }); +    }); + +    it('should NumberStartingWithDot', function(){ +      var tokens = lex(".5"); +      expect(tokens[0].text).toEqual(0.5); +    }); +  }); + +  it('should parse Expressions', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("-1"), -1); +    assertEquals(scope.$eval("1 + 2.5"), 3.5); +    assertEquals(scope.$eval("1 + -2.5"), -1.5); +    assertEquals(scope.$eval("1+2*3/4"), 1+2*3/4); +    assertEquals(scope.$eval("0--1+1.5"), 0- -1 + 1.5); +    assertEquals(scope.$eval("-0--1++2*-3/-4"), -0- -1+ +2*-3/-4); +    assertEquals(scope.$eval("1/2*3"), 1/2*3); +  }); + +  it('should parse Comparison', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("false"), false); +    assertEquals(scope.$eval("!true"), false); +    assertEquals(scope.$eval("1==1"), true); +    assertEquals(scope.$eval("1!=2"), true); +    assertEquals(scope.$eval("1<2"), true); +    assertEquals(scope.$eval("1<=1"), true); +    assertEquals(scope.$eval("1>2"), 1>2); +    assertEquals(scope.$eval("2>=1"), 2>=1); + +    assertEquals(true === 2<3, scope.$eval("true==2<3")); + +  }); + +  it('should parse Logical', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("0&&2"), 0&&2); +    assertEquals(scope.$eval("0||2"), 0||2); +    assertEquals(scope.$eval("0||1&&2"), 0||1&&2); +  }); + +  it('should parse String', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("'a' + 'b c'"), "ab c"); +  }); + +  it('should parse Filters', function(){ +    angular.filter.substring = function(input, start, end) { +      return input.substring(start, end); +    }; + +    angular.filter.upper = {_case:function(input) { +      return input.toUpperCase(); +    }}; +    var scope = createScope(); +    try { +      scope.$eval("1|nonExistant"); +      fail(); +    } catch (e) { +      assertEquals(e, "Function 'nonExistant' at column '3' in '1|nonExistant' is not defined."); +    } +    scope.$set('offset', 3); +    assertEquals(scope.$eval("'abcd'|upper._case"), "ABCD"); +    assertEquals(scope.$eval("'abcd'|substring:1:offset"), "bc"); +    assertEquals(scope.$eval("'abcd'|substring:1:3|upper._case"), "BC"); +  }); + +  it('should parse ScopeAccess', function(){ +    var scope = createScope(); +    scope.$set('a', 123); +    scope.$set('b.c', 456); +    assertEquals(scope.$eval("a", scope), 123); +    assertEquals(scope.$eval("b.c", scope), 456); +    assertEquals(scope.$eval("x.y.z", scope), undefined); +  }); + +  it('should parse Grouping', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("(1+2)*3"), (1+2)*3); +  }); + +  it('should parse Assignments', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("a=12"), 12); +    assertEquals(scope.$get("a"), 12); + +    scope = createScope(); +    assertEquals(scope.$eval("x.y.z=123;"), 123); +    assertEquals(scope.$get("x.y.z"), 123); + +    assertEquals(234, scope.$eval("a=123; b=234")); +    assertEquals(123, scope.$get("a")); +    assertEquals(234, scope.$get("b")); +  }); + +  it('should parse FunctionCallsNoArgs', function(){ +    var scope = createScope(); +    scope.$set('const', function(a,b){return 123;}); +    assertEquals(scope.$eval("const()"), 123); +  }); + +  it('should parse FunctionCalls', function(){ +    var scope = createScope(); +    scope.$set('add', function(a,b){ +      return a+b; +    }); +    assertEquals(3, scope.$eval("add(1,2)")); +  }); + +  it('should parse CalculationBug', function(){ +    var scope = createScope(); +    scope.$set('taxRate', 8); +    scope.$set('subTotal', 100); +    assertEquals(scope.$eval("taxRate / 100 * subTotal"), 8); +    assertEquals(scope.$eval("subTotal * taxRate / 100"), 8); +  }); + +  it('should parse Array', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("[]").length, 0); +    assertEquals(scope.$eval("[1, 2]").length, 2); +    assertEquals(scope.$eval("[1, 2]")[0], 1); +    assertEquals(scope.$eval("[1, 2]")[1], 2); +  }); + +  it('should parse ArrayAccess', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("[1][0]"), 1); +    assertEquals(scope.$eval("[[1]][0][0]"), 1); +    assertEquals(scope.$eval("[].length"), 0); +    assertEquals(scope.$eval("[1, 2].length"), 2); +  }); + +  it('should parse Object', function(){ +    var scope = createScope(); +    assertEquals(toJson(scope.$eval("{}")), "{}"); +    assertEquals(toJson(scope.$eval("{a:'b'}")), '{"a":"b"}'); +    assertEquals(toJson(scope.$eval("{'a':'b'}")), '{"a":"b"}'); +    assertEquals(toJson(scope.$eval("{\"a\":'b'}")), '{"a":"b"}'); +  }); + +  it('should parse ObjectAccess', function(){ +    var scope = createScope(); +    assertEquals("WC", scope.$eval("{false:'WC', true:'CC'}[false]")); +  }); + +  it('should parse JSON', function(){ +    var scope = createScope(); +    assertEquals(toJson(scope.$eval("[{}]")), "[{}]"); +    assertEquals(toJson(scope.$eval("[{a:[]}, {b:1}]")), '[{"a":[]},{"b":1}]'); +  }); + +  it('should parse MultippleStatements', function(){ +    var scope = createScope(); +    assertEquals(scope.$eval("a=1;b=3;a+b"), 4); +    assertEquals(scope.$eval(";;1;;"), 1); +  }); + +  it('should parse ParseThrow', function(){ +    expectAsserts(1); +    var scope = createScope(); +    scope.$set('e', 'abc'); +    try { +      scope.$eval("throw e"); +    } catch(e) { +      assertEquals(e, 'abc'); +    } +  }); + +  it('should parse MethodsGetDispatchedWithCorrectThis', function(){ +    var scope = createScope(); +    var C = function (){ +      this.a=123; +    }; +    C.prototype.getA = function(){ +      return this.a; +    }; + +    scope.$set("obj", new C()); +    assertEquals(123, scope.$eval("obj.getA()")); +  }); +  it('should parse MethodsArgumentsGetCorrectThis', function(){ +    var scope = createScope(); +    var C = function (){ +      this.a=123; +    }; +    C.prototype.sum = function(value){ +      return this.a + value; +    }; +    C.prototype.getA = function(){ +      return this.a; +    }; + +    scope.$set("obj", new C()); +    assertEquals(246, scope.$eval("obj.sum(obj.getA())")); +  }); + +  it('should parse ObjectPointsToScopeValue', function(){ +    var scope = createScope(); +    scope.$set('a', "abc"); +    assertEquals("abc", scope.$eval("{a:a}").a); +  }); + +  it('should parse FieldAccess', function(){ +    var scope = createScope(); +    var fn = function(){ +        return {name:'misko'}; +      }; +    scope.$set('a', fn); +    assertEquals("misko", scope.$eval("a().name")); +  }); + +  it('should parse ArrayIndexBug', function () { +    var scope = createScope(); +    scope.$set('items', [{}, {name:'misko'}]); + +    assertEquals("misko", scope.$eval('items[1].name')); +  }); + +  it('should parse ArrayAssignment', function () { +    var scope = createScope(); +    scope.$set('items', []); + +    assertEquals("abc", scope.$eval('items[1] = "abc"')); +    assertEquals("abc", scope.$eval('items[1]')); +//    Dont know how to make this work.... +//    assertEquals("moby", scope.$eval('books[1] = "moby"')); +//    assertEquals("moby", scope.$eval('books[1]')); +  }); + +  it('should parse FiltersCanBeGrouped', function () { +    var scope = createScope({name:'MISKO'}); +    assertEquals('misko', scope.$eval('n = (name|lowercase)')); +    assertEquals('misko', scope.$eval('n')); +  }); + +  it('should parse FiltersCanBeGrouped', function () { +    var scope = createScope({name:'MISKO'}); +    assertEquals('misko', scope.$eval('n = (name|lowercase)')); +    assertEquals('misko', scope.$eval('n')); +  }); + +  it('should parse Remainder', function () { +    var scope = createScope(); +    assertEquals(1, scope.$eval('1%2')); +  }); + +  it('should parse SumOfUndefinedIsNotUndefined', function () { +    var scope = createScope(); +    assertEquals(1, scope.$eval('1+undefined')); +    assertEquals(1, scope.$eval('undefined+1')); +  }); + +  it('should parse MissingThrowsError', function(){ +    var scope = createScope(); +    try { +      scope.$eval('[].count('); +      fail(); +    } catch (e) { +      assertEquals('Unexpected end of expression: [].count(', e); +    } +  }); + +  it('should parse DoubleNegationBug', function (){ +    var scope = createScope(); +    assertEquals(true, scope.$eval('true')); +    assertEquals(false, scope.$eval('!true')); +    assertEquals(true, scope.$eval('!!true')); +    assertEquals('a', scope.$eval('{true:"a", false:"b"}[!!true]')); +  }); + +  it('should parse NegationBug', function () { +    var scope = createScope(); +    assertEquals(!false || true, scope.$eval("!false || true")); +    assertEquals(!11 == 10, scope.$eval("!11 == 10")); +    assertEquals(12/6/2, scope.$eval("12/6/2")); +  }); + +  it('should parse BugStringConfusesParser', function(){ +    var scope = createScope(); +    assertEquals('!', scope.$eval('suffix = "!"')); +  }); + +  it('should parse ParsingBug', function () { +    var scope = createScope(); +    assertEquals({a: "-"}, scope.$eval("{a:'-'}")); +  }); + +  it('should parse Undefined', function () { +    var scope = createScope(); +    assertEquals(undefined, scope.$eval("undefined")); +    assertEquals(undefined, scope.$eval("a=undefined")); +    assertEquals(undefined, scope.$get("a")); +  }); +}); + + | 
