1 files changed, 462 insertions, 0 deletions
diff --git a/test/ParserTest.js b/test/ParserTest.js
new file mode 100644
index 00000000..7fe8e6a4
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+++ b/test/ParserTest.js
@@ -0,0 +1,462 @@
+LexerTest = TestCase('LexerTest');
+
+LexerTest.prototype.testTokenizeAString = function(){
+  var lexer = new nglr.Lexer("a.bc[22]+1.3|f:'a\\\'c':\"d\\\"e\"");
+  var tokens = lexer.parse();
+  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].text, "a'c");
+
+  i++;
+  assertEquals(tokens[i].index, 21);
+  assertEquals(tokens[i].text, ':');
+
+  i++;
+  assertEquals(tokens[i].index, 22);
+  assertEquals(tokens[i].text, 'd"e');
+};
+
+
+LexerTest.prototype.testTokenizeRegExp = function(){
+  var lexer = new nglr.Lexer("/r 1/");
+  var tokens = lexer.parse();
+  var i = 0;
+  assertEquals(tokens[i].index, 0);
+  assertEquals(tokens[i].text, 'r 1');
+  assertEquals("r 1".match(tokens[i].fn())[0], 'r 1');
+};
+
+LexerTest.prototype.testQuotedString = function(){
+  var str = "['\\'', \"\\\"\"]";
+  var lexer = new nglr.Lexer(str);
+  var tokens = lexer.parse();
+
+  assertEquals(1, tokens[1].index);
+  assertEquals("'", tokens[1].text);
+
+  assertEquals(7, tokens[3].index);
+  assertEquals('"', tokens[3].text);
+
+};
+
+LexerTest.prototype.testQuotedStringEscape = function(){
+  var str = '"\\"\\n\\f\\r\\t\\v\\u00A0"';
+  var lexer = new nglr.Lexer(str);
+  var tokens = lexer.parse();
+
+  assertEquals('"\n\f\r\t\v\u00A0', tokens[0].text);
+};
+
+LexerTest.prototype.testTokenizeUnicode = function(){
+  var lexer = new nglr.Lexer('"\\u00A0"');
+  var tokens = lexer.parse();
+  assertEquals(1, tokens.length);
+  assertEquals('\u00a0', tokens[0].text);
+};
+
+LexerTest.prototype.testTokenizeRegExpWithOptions = function(){
+  var lexer = new nglr.Lexer("/r/g");
+  var tokens = lexer.parse();
+  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);
+};
+
+LexerTest.prototype.testTokenizeRegExpWithEscape = function(){
+  var lexer = new nglr.Lexer("/\\/\\d/");
+  var tokens = lexer.parse();
+  var i = 0;
+  assertEquals(tokens[i].index, 0);
+  assertEquals(tokens[i].text, '\\/\\d');
+  assertEquals("/1".match(tokens[i].fn())[0], '/1');
+};
+
+LexerTest.prototype.testIgnoreWhitespace = function(){
+  var lexer = new nglr.Lexer("a \t \n \r b");
+  var tokens = lexer.parse();
+  assertEquals(tokens[0].text, 'a');
+  assertEquals(tokens[1].text, 'b');
+};
+
+LexerTest.prototype.testRelation = function(){
+  var lexer = new nglr.Lexer("! == != < > <= >=");
+  var tokens = lexer.parse();
+  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, '>=');
+};
+
+LexerTest.prototype.testStatements = function(){
+  var lexer = new nglr.Lexer("a;b;");
+  var tokens = lexer.parse();
+  assertEquals(tokens[0].text, 'a');
+  assertEquals(tokens[1].text, ';');
+  assertEquals(tokens[2].text, 'b');
+  assertEquals(tokens[3].text, ';');
+};
+
+ParserTest = TestCase('ParserTest');
+
+ParserTest.prototype.testExpressions = function(){
+  var scope = new nglr.Scope();
+  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);
+};
+
+ParserTest.prototype.testComparison = function(){
+  var scope = new nglr.Scope();
+  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);
+};
+
+ParserTest.prototype.testLogical = function(){
+  var scope = new nglr.Scope();
+  assertEquals(scope.eval("0&&2"), 0&&2);
+  assertEquals(scope.eval("0||2"), 0||2);
+  assertEquals(scope.eval("0||1&&2"), 0||1&&2);
+};
+
+ParserTest.prototype.testString = function(){
+  var scope = new nglr.Scope();
+  assertEquals(scope.eval("'a' + 'b c'"), "ab c");
+};
+
+ParserTest.prototype.testFilters = function(){
+  angular.filter.substring = function(input, start, end) {
+    return input.substring(start, end);
+  };
+
+  angular.filter.upper = {_case:function(input) {
+    return input.toUpperCase();
+  }};
+  var scope = new nglr.Scope();
+  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");
+};
+
+ParserTest.prototype.testScopeAccess = function(){
+  var scope = new nglr.Scope();
+  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);
+};
+
+ParserTest.prototype.testGrouping = function(){
+  var scope = new nglr.Scope();
+  assertEquals(scope.eval("(1+2)*3"), (1+2)*3);
+};
+
+ParserTest.prototype.testAssignments = function(){
+  var scope = new nglr.Scope();
+  assertEquals(scope.eval("a=12"), 12);
+  assertEquals(scope.get("a"), 12);
+
+  scope = new nglr.Scope();
+  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"));
+};
+
+ParserTest.prototype.testFunctionCallsNoArgs = function(){
+  var scope = new nglr.Scope();
+  scope.set('const', function(a,b){return 123;});
+  assertEquals(scope.eval("const()"), 123);
+};
+
+ParserTest.prototype.testFunctionCalls = function(){
+  var scope = new nglr.Scope();
+  scope.set('add', function(a,b){
+    return a+b;
+  });
+  assertEquals(3, scope.eval("add(1,2)"));
+};
+
+ParserTest.prototype.testCalculationBug = function(){
+  var scope = new nglr.Scope();
+  scope.set('taxRate', 8);
+  scope.set('subTotal', 100);
+  assertEquals(scope.eval("taxRate / 100 * subTotal"), 8);
+  assertEquals(scope.eval("subTotal * taxRate / 100"), 8);
+};
+
+ParserTest.prototype.testArray = function(){
+  var scope = new nglr.Scope();
+  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);
+};
+
+ParserTest.prototype.testArrayAccess = function(){
+  var scope = new nglr.Scope();
+  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);
+};
+
+ParserTest.prototype.testObject = function(){
+  var scope = new nglr.Scope();
+  assertEquals(nglr.toJson(scope.eval("{}")), "{}");
+  assertEquals(nglr.toJson(scope.eval("{a:'b'}")), '{"a":"b"}');
+  assertEquals(nglr.toJson(scope.eval("{'a':'b'}")), '{"a":"b"}');
+  assertEquals(nglr.toJson(scope.eval("{\"a\":'b'}")), '{"a":"b"}');
+};
+
+ParserTest.prototype.testObjectAccess = function(){
+  var scope = new nglr.Scope();
+  assertEquals("WC", scope.eval("{false:'WC', true:'CC'}[false]"));
+};
+
+ParserTest.prototype.testJSON = function(){
+  var scope = new nglr.Scope();
+  assertEquals(nglr.toJson(scope.eval("[{}]")), "[{}]");
+  assertEquals(nglr.toJson(scope.eval("[{a:[]}, {b:1}]")), '[{"a":[]},{"b":1}]');
+};
+
+ParserTest.prototype.testMultippleStatements = function(){
+  var scope = new nglr.Scope();
+  assertEquals(scope.eval("a=1;b=3;a+b"), 4);
+  assertEquals(scope.eval(";;1;;"), 1);
+};
+
+ParserTest.prototype.testParseThrow = function(){
+  expectAsserts(1);
+  var scope = new nglr.Scope();
+  scope.set('e', 'abc');
+  try {
+    scope.eval("throw e");
+  } catch(e) {
+    assertEquals(e, 'abc');
+  }
+};
+
+ParserTest.prototype.testMethodsGetDispatchedWithCorrectThis = function(){
+  var scope = new nglr.Scope();
+  var C = function (){
+    this.a=123;
+  };
+  C.prototype.getA = function(){
+    return this.a;
+  };
+
+  scope.set("obj", new C());
+  assertEquals(123, scope.eval("obj.getA()"));
+};
+ParserTest.prototype.testMethodsArgumentsGetCorrectThis = function(){
+  var scope = new nglr.Scope();
+  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())"));
+};
+
+ParserTest.prototype.testObjectPointsToScopeValue = function(){
+  var scope = new nglr.Scope();
+  scope.set('a', "abc");
+  assertEquals("abc", scope.eval("{a:a}").a);
+};
+
+ParserTest.prototype.testFieldAccess = function(){
+  var scope = new nglr.Scope();
+  var fn = function(){
+      return {name:'misko'};
+    };
+  scope.set('a', fn);
+  assertEquals("misko", scope.eval("a().name"));
+};
+
+ParserTest.prototype.testArrayIndexBug = function () {
+  var scope = new nglr.Scope();
+  scope.set('items', [{}, {name:'misko'}]);
+
+  assertEquals("misko", scope.eval('items[1].name'));
+};
+
+ParserTest.prototype.testArrayAssignment = function () {
+  var scope = new nglr.Scope();
+  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]'));
+};
+
+ParserTest.prototype.testFiltersCanBeGrouped = function () {
+  var scope = new nglr.Scope({name:'MISKO'});
+  assertEquals('misko', scope.eval('n = (name|lowercase)'));
+  assertEquals('misko', scope.eval('n'));
+};
+
+ParserTest.prototype.testFiltersCanBeGrouped = function () {
+  var scope = new nglr.Scope({name:'MISKO'});
+  assertEquals('misko', scope.eval('n = (name|lowercase)'));
+  assertEquals('misko', scope.eval('n'));
+};
+
+ParserTest.prototype.testRemainder = function () {
+  var scope = new nglr.Scope();
+  assertEquals(1, scope.eval('1%2'));
+};
+
+ParserTest.prototype.testSumOfUndefinedIsNotUndefined = function () {
+  var scope = new nglr.Scope();
+  assertEquals(1, scope.eval('1+undefined'));
+  assertEquals(1, scope.eval('undefined+1'));
+};
+
+ParserTest.prototype.testMissingThrowsError = function() {
+  var scope = new nglr.Scope();
+  try {
+    scope.eval('[].count(');
+    fail();
+  } catch (e) {
+    assertEquals('Unexpected end of expression: [].count(', e);
+  }
+};
+
+ParserTest.prototype.testItShouldParseOnChangeIntoHashSet = function () {
+  var scope = new nglr.Scope({count:0});
+  scope.watch("$anchor.a:count=count+1;$anchor.a:count=count+20;b:count=count+300");
+
+  scope.watchListeners["$anchor.a"].listeners[0]();
+  assertEquals(1, scope.get("count"));
+  scope.watchListeners["$anchor.a"].listeners[1]();
+  assertEquals(21, scope.get("count"));
+  scope.watchListeners["b"].listeners[0]({scope:scope});
+  assertEquals(321, scope.get("count"));
+};
+ParserTest.prototype.testItShouldParseOnChangeBlockIntoHashSet = function () {
+  var scope = new nglr.Scope({count:0});
+  var listeners = {a:[], b:[]};
+  scope.watch("a:{count=count+1;count=count+20;};b:count=count+300", 
+      function(n, fn){listeners[n].push(fn);});
+
+  assertEquals(1, scope.watchListeners.a.listeners.length);
+  assertEquals(1, scope.watchListeners.b.listeners.length);
+  scope.watchListeners["a"].listeners[0]();
+  assertEquals(21, scope.get("count"));
+  scope.watchListeners["b"].listeners[0]();
+  assertEquals(321, scope.get("count"));
+};
+
+ParserTest.prototype.testItShouldParseEmptyOnChangeAsNoop = function () {
+  var scope = new nglr.Scope();
+  scope.watch("", function(){fail();});
+};
+
+ParserTest.prototype.testItShouldCreateClosureFunctionWithNoArguments = function () {
+  var scope = new nglr.Scope();
+  var fn = scope.eval("{:value}");
+  scope.set("value", 1);
+  assertEquals(1, fn());
+  scope.set("value", 2);
+  assertEquals(2, fn());
+  fn = scope.eval("{():value}");
+  assertEquals(2, fn());
+};
+
+ParserTest.prototype.testItShouldCreateClosureFunctionWithArguments = function () {
+  var scope = new nglr.Scope();
+  var fn = scope.eval("{(a):value+a}");
+  scope.set("value", 1);
+  assertEquals(11, fn(10));
+  scope.set("value", 2);
+  assertEquals(12, fn(10));
+  fn = scope.eval("{(a,b):value+a+b}");
+  assertEquals(112, fn(10, 100));
+};
+
+ParserTest.prototype.testItShouldHaveDefaultArugument = function(){
+  var scope = new nglr.Scope();
+  var fn = scope.eval("{:$*2}");
+  assertEquals(4, fn(2));
+};
+
+ParserTest.prototype.testReturnFunctionsAreNotBound = function(){
+  var scope = new nglr.Scope();
+  scope.set("$datastore", new nglr.DataStore());
+  scope.entity("Group");
+  var Group = scope.get("Group");
+  assertEquals("eval Group", "function", typeof scope.eval("Group"));
+  assertEquals("direct Group", "function", typeof Group);
+  assertEquals("eval Group.all", "function", typeof scope.eval("Group.query"));
+  assertEquals("direct Group.all", "function", typeof Group.query);
+};
+