Initial check-in
[dygraphs.git] / mochikit_v14 / tests / test_Base.js
1 if (typeof(dojo) != 'undefined') { dojo.require('MochiKit.Base'); }
2 if (typeof(JSAN) != 'undefined') { JSAN.use('MochiKit.Base'); }
3 if (typeof(tests) == 'undefined') { tests = {}; }
4
5 tests.test_Base = function (t) {
6 // test bind
7 var not_self = {"toString": function () { return "not self"; } };
8 var self = {"toString": function () { return "self"; } };
9 var func = function (arg) { return this.toString() + " " + arg; };
10 var boundFunc = bind(func, self);
11 not_self.boundFunc = boundFunc;
12
13 t.is( isEmpty([], [], ""), true, "isEmpty true" )
14 t.is( isEmpty([], [1], ""), true, "isEmpty true" )
15 t.is( isNotEmpty([], [], ""), false, "isNotEmpty false" )
16 t.is( isNotEmpty([], [1], ""), false, "isNotEmpty false" )
17
18 t.is( isEmpty([1], [1], "1"), false, "isEmpty false" )
19 t.is( isEmpty([1], [1], "1"), false, "isEmpty false" )
20 t.is( isNotEmpty([1], [1], "1"), true, "isNotEmpty true" )
21 t.is( isNotEmpty([1], [1], "1"), true, "isNotEmpty true" )
22
23 t.is( boundFunc("foo"), "self foo", "boundFunc bound to self properly" );
24 t.is( not_self.boundFunc("foo"), "self foo", "boundFunc bound to self on another obj" );
25 t.is( bind(boundFunc, not_self)("foo"), "not self foo", "boundFunc successfully rebound!" );
26 t.is( bind(boundFunc, undefined, "foo")(), "self foo", "boundFunc partial no self change" );
27 t.is( bind(boundFunc, not_self, "foo")(), "not self foo", "boundFunc partial self change" );
28
29 // test method
30 not_self = {"toString": function () { return "not self"; } };
31 self = {"toString": function () { return "self"; } };
32 func = function (arg) { return this.toString() + " " + arg; };
33 var boundMethod = method(self, func);
34 not_self.boundMethod = boundMethod;
35
36 t.is( boundMethod("foo"), "self foo", "boundMethod bound to self properly" );
37 t.is( not_self.boundMethod("foo"), "self foo", "boundMethod bound to self on another obj" );
38 t.is( method(not_self, boundMethod)("foo"), "not self foo", "boundMethod successfully rebound!" );
39 t.is( method(undefined, boundMethod, "foo")(), "self foo", "boundMethod partial no self change" );
40 t.is( method(not_self, boundMethod, "foo")(), "not self foo", "boundMethod partial self change" );
41
42
43
44
45 // test bindMethods
46
47 var O = function (value) {
48 bindMethods(this);
49 this.value = value;
50 };
51 O.prototype.func = function () {
52 return this.value;
53 };
54
55 var o = new O("boring");
56 var p = {};
57 p.func = o.func;
58 var func = o.func;
59 t.is( o.func(), "boring", "bindMethods doesn't break shit" );
60 t.is( p.func(), "boring", "bindMethods works on other objects" );
61 t.is( func(), "boring", "bindMethods works on functions" );
62
63 var p = clone(o);
64 t.ok( p instanceof O, "cloned correct inheritance" );
65 var q = clone(p);
66 t.ok( q instanceof O, "clone-cloned correct inheritance" );
67 q.foo = "bar";
68 t.is( p.foo, undefined, "clone-clone is copy-on-write" );
69 p.bar = "foo";
70 t.is( o.bar, undefined, "clone is copy-on-write" );
71 t.is( q.bar, "foo", "clone-clone has proper delegation" );
72 // unbind
73 p.func = bind(p.func, null);
74 t.is( p.func(), "boring", "clone function calls correct" );
75 q.value = "awesome";
76 t.is( q.func(), "awesome", "clone really does work" );
77
78 // test boring boolean funcs
79
80 t.is( isCallable(isCallable), true, "isCallable returns true on itself" );
81 t.is( isCallable(1), false, "isCallable returns false on numbers" );
82
83 t.is( isUndefined(null), false, "null is not undefined" );
84 t.is( isUndefined(""), false, "empty string is not undefined" );
85 t.is( isUndefined(undefined), true, "undefined is undefined" );
86 t.is( isUndefined({}.foo), true, "missing property is undefined" );
87
88 t.is( isUndefinedOrNull(null), true, "null is undefined or null" );
89 t.is( isUndefinedOrNull(""), false, "empty string is not undefined or null" );
90 t.is( isUndefinedOrNull(undefined), true, "undefined is undefined or null" );
91 t.is( isUndefinedOrNull({}.foo), true, "missing property is undefined or null" );
92
93 // test extension of arrays
94 var a = [];
95 var b = [];
96 var three = [1, 2, 3];
97
98 extend(a, three, 1);
99 t.ok( objEqual(a, [2, 3]), "extend to an empty array" );
100 extend(a, three, 1)
101 t.ok( objEqual(a, [2, 3, 2, 3]), "extend to a non-empty array" );
102
103 extend(b, three);
104 t.ok( objEqual(b, three), "extend of an empty array" );
105
106 t.is( compare(1, 2), -1, "numbers compare lt" );
107 t.is( compare(2, 1), 1, "numbers compare gt" );
108 t.is( compare(1, 1), 0, "numbers compare eq" );
109 t.is( compare([1], [1]), 0, "arrays compare eq" );
110 t.is( compare([1], [1, 2]), -1, "arrays compare lt (length)" );
111 t.is( compare([1, 2], [2, 1]), -1, "arrays compare lt (contents)" );
112 t.is( compare([1, 2], [1]), 1, "arrays compare gt (length)" );
113 t.is( compare([2, 1], [1, 1]), 1, "arrays compare gt (contents)" );
114
115 // test partial application
116 var a = [];
117 var func = function (a, b) {
118 if (arguments.length != 2) {
119 return "bad args";
120 } else {
121 return this.value + a + b;
122 }
123 };
124 var self = {"value": 1, "func": func};
125 var self2 = {"value": 2};
126 t.is( self.func(2, 3), 6, "setup for test is correct" );
127 self.funcTwo = partial(self.func, 2);
128 t.is( self.funcTwo(3), 6, "partial application works" );
129 t.is( self.funcTwo(3), 6, "partial application works still" );
130 t.is( bind(self.funcTwo, self2)(3), 7, "rebinding partial works" );
131 self.funcTwo = bind(bind(self.funcTwo, self2), null);
132 t.is( self.funcTwo(3), 6, "re-unbinding partial application works" );
133
134
135 // nodeWalk test
136 // ... looks a lot like a DOM tree on purpose
137 var tree = {
138 "id": "nodeWalkTestTree",
139 "test:int": "1",
140 "childNodes": [
141 {
142 "test:int": "2",
143 "childNodes": [
144 {"test:int": "5"},
145 "ignored string",
146 {"ignored": "object"},
147 ["ignored", "list"],
148 {
149 "test:skipchildren": "1",
150 "childNodes": [{"test:int": 6}]
151 }
152 ]
153 },
154 {"test:int": "3"},
155 {"test:int": "4"}
156 ]
157 }
158
159 var visitedNodes = [];
160 nodeWalk(tree, function (node) {
161 var attr = node["test:int"];
162 if (attr) {
163 visitedNodes.push(attr);
164 }
165 if (node["test:skipchildren"]) {
166 return;
167 }
168 return node.childNodes;
169 });
170
171 t.ok( objEqual(visitedNodes, ["1", "2", "3", "4", "5"]), "nodeWalk looks like it works");
172
173 // test map
174 var minusOne = function (x) { return x - 1; };
175 var res = map(minusOne, [1, 2, 3]);
176 t.ok( objEqual(res, [0, 1, 2]), "map works" );
177
178 var res2 = xmap(minusOne, 1, 2, 3);
179 t.ok( objEqual(res2, res), "xmap works" );
180
181 res = map(operator.add, [1, 2, 3], [2, 4, 6]);
182 t.ok( objEqual(res, [3, 6, 9]), "map(fn, p, q) works" );
183
184 res = map(operator.add, [1, 2, 3], [2, 4, 6, 8]);
185 t.ok( objEqual(res, [3, 6, 9]), "map(fn, p, q) works (q long)" );
186
187 res = map(operator.add, [1, 2, 3, 4], [2, 4, 6]);
188 t.ok( objEqual(res, [3, 6, 9]), "map(fn, p, q) works (p long)" );
189
190 res = map(null, [1, 2, 3], [2, 4, 6]);
191 t.ok( objEqual(res, [[1, 2], [2, 4], [3, 6]]), "map(null, p, q) works" );
192
193 res = zip([1, 2, 3], [2, 4, 6]);
194 t.ok( objEqual(res, [[1, 2], [2, 4], [3, 6]]), "zip(p, q) works" );
195
196 res = map(null, [1, 2, 3]);
197 t.ok( objEqual(res, [1, 2, 3]), "map(null, lst) works" );
198
199
200
201
202 t.is( isNotEmpty("foo"), true, "3 char string is not empty" );
203 t.is( isNotEmpty(""), false, "0 char string is empty" );
204 t.is( isNotEmpty([1, 2, 3]), true, "3 element list is not empty" );
205 t.is( isNotEmpty([]), false, "0 element list is empty" );
206
207 // test filter
208 var greaterThanThis = function (x) { return x > this; };
209 var greaterThanOne = function (x) { return x > 1; };
210 var res = filter(greaterThanOne, [-1, 0, 1, 2, 3]);
211 t.ok( objEqual(res, [2, 3]), "filter works" );
212 var res = filter(greaterThanThis, [-1, 0, 1, 2, 3], 1);
213 t.ok( objEqual(res, [2, 3]), "filter self works" );
214 var res2 = xfilter(greaterThanOne, -1, 0, 1, 2, 3);
215 t.ok( objEqual(res2, res), "xfilter works" );
216
217 t.is(objMax(1, 2, 9, 12, 42, -16, 16), 42, "objMax works (with numbers)");
218 t.is(objMin(1, 2, 9, 12, 42, -16, 16), -16, "objMin works (with numbers)");
219
220 // test adapter registry
221
222 var R = new AdapterRegistry();
223 R.register("callable", isCallable, function () { return "callable"; });
224 R.register("arrayLike", isArrayLike, function () { return "arrayLike"; });
225 t.is( R.match(function () {}), "callable", "registry found callable" );
226 t.is( R.match([]), "arrayLike", "registry found ArrayLike" );
227 try {
228 R.match(null);
229 t.ok( false, "non-matching didn't raise!" );
230 } catch (e) {
231 t.is( e, NotFound, "non-matching raised correctly" );
232 }
233 R.register("undefinedOrNull", isUndefinedOrNull, function () { return "undefinedOrNull" });
234 R.register("undefined", isUndefined, function () { return "undefined" });
235 t.is( R.match(undefined), "undefinedOrNull", "priorities are as documented" );
236 t.ok( R.unregister("undefinedOrNull"), "removed adapter" );
237 t.is( R.match(undefined), "undefined", "adapter was removed" );
238 R.register("undefinedOrNull", isUndefinedOrNull, function () { return "undefinedOrNull" }, true);
239 t.is( R.match(undefined), "undefinedOrNull", "override works" );
240
241 var a1 = {"a": 1, "b": 2, "c": 2};
242 var a2 = {"a": 2, "b": 1, "c": 2};
243 t.is( keyComparator("a")(a1, a2), -1, "keyComparator 1 lt" );
244 t.is( keyComparator("c")(a1, a2), 0, "keyComparator 1 eq" );
245 t.is( keyComparator("c", "b")(a1, a2), 1, "keyComparator 2 eq gt" );
246 t.is( keyComparator("c", "a")(a1, a2), -1, "keyComparator 2 eq lt" );
247 t.is( reverseKeyComparator("a")(a1, a2), 1, "reverseKeyComparator" );
248 t.is( compare(concat([1], [2], [3]), [1, 2, 3]), 0, "concat" );
249 t.is( repr("foo"), '"foo"', "string repr" );
250 t.is( repr(1), '1', "number repr" );
251 t.is( listMin([1, 3, 5, 3, -1]), -1, "listMin" );
252 t.is( objMin(1, 3, 5, 3, -1), -1, "objMin" );
253 t.is( listMax([1, 3, 5, 3, -1]), 5, "listMax" );
254 t.is( objMax(1, 3, 5, 3, -1), 5, "objMax" );
255
256 var v = keys(a1);
257 v.sort();
258 t.is( compare(v, ["a", "b", "c"]), 0, "keys" );
259 v = items(a1);
260 v.sort();
261 t.is( compare(v, [["a", 1], ["b", 2], ["c", 2]]), 0, "items" );
262
263 var StringMap = function() {};
264 a = new StringMap();
265 a.foo = "bar";
266 b = new StringMap();
267 b.foo = "bar";
268 try {
269 compare(a, b);
270 t.ok( false, "bad comparison registered!?" );
271 } catch (e) {
272 t.ok( e instanceof TypeError, "bad comparison raised TypeError" );
273 }
274
275 t.is( repr(a), "[object Object]", "default repr for StringMap" );
276 var isStringMap = function () {
277 for (var i = 0; i < arguments.length; i++) {
278 if (!(arguments[i] instanceof StringMap)) {
279 return false;
280 }
281 }
282 return true;
283 };
284
285 registerRepr("stringMap",
286 isStringMap,
287 function (obj) {
288 return "StringMap(" + repr(items(obj)) + ")";
289 }
290 );
291
292 t.is( repr(a), 'StringMap([["foo", "bar"]])', "repr worked" );
293
294 // not public API
295 MochiKit.Base.reprRegistry.unregister("stringMap");
296
297 t.is( repr(a), "[object Object]", "default repr for StringMap" );
298
299 registerComparator("stringMap",
300 isStringMap,
301 function (a, b) {
302 // no sorted(...) in base
303 a = items(a);
304 b = items(b);
305 a.sort(compare);
306 b.sort(compare);
307 return compare(a, b);
308 }
309 );
310
311 t.is( compare(a, b), 0, "registerComparator" );
312
313 update(a, {"foo": "bar"}, {"wibble": "baz"}, undefined, null, {"grr": 1});
314 t.is( a.foo, "bar", "update worked (first obj)" );
315 t.is( a.wibble, "baz", "update worked (second obj)" );
316 t.is( a.grr, 1, "update worked (skipped undefined and null)" );
317 t.is( compare(a, b), 1, "update worked (comparison)" );
318
319
320 setdefault(a, {"foo": "unf"}, {"bar": "web taco"} );
321 t.is( a.foo, "bar", "setdefault worked (skipped existing)" );
322 t.is( a.bar, "web taco", "setdefault worked (set non-existing)" );
323
324 var c = items(merge({"foo": "bar"}, {"wibble": "baz"}));
325 c.sort(compare);
326 t.is( compare(c, [["foo", "bar"], ["wibble", "baz"]]), 0, "merge worked" );
327
328 // not public API
329 MochiKit.Base.comparatorRegistry.unregister("stringMap");
330
331 try {
332 compare(a, b);
333 t.ok( false, "bad comparison registered!?" );
334 } catch (e) {
335 t.ok( e instanceof TypeError, "bad comparison raised TypeError" );
336 }
337
338 var o = {"__repr__": function () { return "__repr__"; }};
339 t.is( repr(o), "__repr__", "__repr__ protocol" );
340 t.is( repr(MochiKit.Base), MochiKit.Base.__repr__(), "__repr__ protocol when repr is defined" );
341 var o = {"NAME": "NAME"};
342 t.is( repr(o), "NAME", "NAME protocol (obj)" );
343 o = function () { return "TACO" };
344 o.NAME = "NAME";
345 t.is( repr(o), "NAME", "NAME protocol (func)" );
346
347 t.is( repr(MochiKit.Base.nameFunctions), "MochiKit.Base.nameFunctions", "test nameFunctions" );
348 // Done!
349
350 t.is( urlEncode("1+2=2").toUpperCase(), "1%2B2%3D2", "urlEncode" );
351 t.is( queryString(["a", "b"], [1, "two"]), "a=1&b=two", "queryString");
352 t.is( queryString({"a": 1}), "a=1", "one item alternate form queryString" );
353 var o = {"a": 1, "b": 2, "c": function() {}};
354 var res = queryString(o).split("&");
355 res.sort();
356 t.is( res.join("&"), "a=1&b=2", "two item alternate form queryString, function skip" );
357 var res = parseQueryString("1+1=2&b=3%3D2");
358 t.is( res["1 1"], "2", "parseQueryString pathological name" );
359 t.is( res.b, "3=2", "parseQueryString second name:value pair" );
360 var res = parseQueryString("foo=one&foo=two", true);
361 t.is( res["foo"].join(" "), "one two", "parseQueryString useArrays" );
362 var res = parseQueryString("?foo=2&bar=1");
363 t.is( res["foo"], "2", "parseQueryString strip leading question mark");
364
365 t.is( serializeJSON("foo\n\r\b\f\t"), "\"foo\\n\\r\\b\\f\\t\"", "string JSON" );
366 t.is( serializeJSON(null), "null", "null JSON");
367 try {
368 serializeJSON(undefined);
369 t.ok(false, "undefined should not be serializable");
370 } catch (e) {
371 t.ok(e instanceof TypeError, "undefined not serializable");
372 }
373 t.is( serializeJSON(1), "1", "1 JSON");
374 t.is( serializeJSON(1.23), "1.23", "1.23 JSON");
375 t.is( serializeJSON(serializeJSON), null, "function JSON (null, not string)" );
376 t.is( serializeJSON([1, "2", 3.3]), "[1, \"2\", 3.3]", "array JSON" );
377 var res = evalJSON(serializeJSON({"a":1, "b":2}));
378 t.is( res.a, 1, "evalJSON on an object (1)" );
379 t.is( res.b, 2, "evalJSON on an object (2)" );
380 var res = {"a": 1, "b": 2, "json": function () { return this; }};
381 var res = evalJSON(serializeJSON(res));
382 t.is( res.a, 1, "evalJSON on an object that jsons self (1)" );
383 t.is( res.b, 2, "evalJSON on an object that jsons self (2)" );
384 var strJSON = {"a": 1, "b": 2, "json": function () { return "json"; }};
385 t.is( serializeJSON(strJSON), "\"json\"", "json serialization calling" );
386 t.is( serializeJSON([strJSON]), "[\"json\"]", "json serialization calling in a structure" );
387 registerJSON("isDateLike",
388 isDateLike,
389 function (d) {
390 return "this was a date";
391 }
392 );
393 t.is( serializeJSON(new Date()), "\"this was a date\"", "json registry" );
394 MochiKit.Base.jsonRegistry.unregister("isDateLike");
395
396 var a = {"foo": {"bar": 12, "wibble": 13}};
397 var b = {"foo": {"baz": 4, "bar": 16}, "bar": 4};
398 updatetree(a, b);
399 var expect = [["bar", 16], ["baz", 4], ["wibble", 13]];
400 var got = items(a.foo);
401 got.sort(compare);
402 t.is( repr(got), repr(expect), "updatetree merge" );
403 t.is( a.bar, 4, "updatetree insert" );
404
405 var c = counter();
406 t.is( c(), 1, "counter starts at 1" );
407 t.is( c(), 2, "counter increases" );
408 c = counter(2);
409 t.is( c(), 2, "counter starts at 2" );
410 t.is( c(), 3, "counter increases" );
411
412 t.is( findValue([1, 2, 3], 4), -1, "findValue returns -1 on not found");
413 t.is( findValue([1, 2, 3], 1), 0, "findValue returns correct index");
414 t.is( findValue([1, 2, 3], 1, 1), -1, "findValue honors start");
415 t.is( findValue([1, 2, 3], 2, 0, 1), -1, "findValue honors end");
416 t.is( findIdentical([1, 2, 3], 4), -1, "findIdentical returns -1");
417 t.is( findIdentical([1, 2, 3], 1), 0, "findIdentical returns correct index");
418 t.is( findIdentical([1, 2, 3], 1, 1), -1, "findIdentical honors start");
419 t.is( findIdentical([1, 2, 3], 2, 0, 1), -1, "findIdentical honors end");
420 t.is( isNull(undefined), false, "isNull doesn't match undefined" );
421
422 var flat = flattenArguments(1, "2", 3, [4, [5, [6, 7], 8, [], 9]]);
423 var expect = [1, "2", 3, 4, 5, 6, 7, 8, 9];
424 t.is( repr(flat), repr(expect), "flattenArguments" );
425
426 var fn = function () {
427 return [this, concat(arguments)];
428 }
429 t.is( methodcaller("toLowerCase")("FOO"), "foo", "methodcaller with a method name" );
430 t.is( repr(methodcaller(fn, 2, 3)(1)), "[1, [2, 3]]", "methodcaller with a function" );
431
432 var f1 = function (x) { return [1, x]; };
433 var f2 = function (x) { return [2, x]; };
434 var f3 = function (x) { return [3, x]; };
435 t.is( repr(f1(f2(f3(4)))), "[1, [2, [3, 4]]]", "test the compose test" );
436 t.is( repr(compose(f1,f2,f3)(4)), "[1, [2, [3, 4]]]", "three fn composition works" );
437 t.is( repr(compose(compose(f1,f2),f3)(4)), "[1, [2, [3, 4]]]", "associative left" );
438 t.is( repr(compose(f1,compose(f2,f3))(4)), "[1, [2, [3, 4]]]", "associative right" );
439
440 try {
441 compose(f1, "foo");
442 t.ok( false, "wrong compose argument not raised!" );
443 } catch (e) {
444 t.is( e.name, 'TypeError', "wrong compose argument raised correctly" );
445 }
446
447 t.is(camelize('one'), 'one', 'one word');
448 t.is(camelize('one-two'), 'oneTwo', 'two words');
449 t.is(camelize('one-two-three'), 'oneTwoThree', 'three words');
450 t.is(camelize('1-one'), '1One', 'letter and word');
451 t.is(camelize('one-'), 'one', 'trailing hyphen');
452 t.is(camelize('-one'), 'One', 'starting hyphen');
453 t.is(camelize('o-two'), 'oTwo', 'one character and word');
454
455 var flat = flattenArray([1, "2", 3, [4, [5, [6, 7], 8, [], 9]]]);
456 var expect = [1, "2", 3, 4, 5, 6, 7, 8, 9];
457 t.is( repr(flat), repr(expect), "flattenArray" );
458
459 /* mean */
460 try {
461 mean();
462 t.ok( false, "no arguments didn't raise!" );
463 } catch (e) {
464 t.is( e.name, 'TypeError', "no arguments raised correctly" );
465 }
466 t.is( mean(1), 1, 'single argument (arg list)');
467 t.is( mean([1]), 1, 'single argument (array)');
468 t.is( mean(1,2,3), 2, 'three arguments (arg list)');
469 t.is( mean([1,2,3]), 2, 'three arguments (array)');
470 t.is( average(1), 1, 'test the average alias');
471
472 /* median */
473 try {
474 median();
475 t.ok( false, "no arguments didn't raise!" );
476 } catch (e) {
477 t.is( e.name, 'TypeError', "no arguments raised correctly" );
478 }
479 t.is( median(1), 1, 'single argument (arg list)');
480 t.is( median([1]), 1, 'single argument (array)');
481 t.is( median(3,1,2), 2, 'three arguments (arg list)');
482 t.is( median([3,1,2]), 2, 'three arguments (array)');
483 t.is( median(3,1,2,4), 2.5, 'four arguments (arg list)');
484 t.is( median([3,1,2,4]), 2.5, 'four arguments (array)');
485
486 /* #185 */
487 t.is( serializeJSON(parseQueryString("")), "{}", "parseQueryString('')" );
488 t.is( serializeJSON(parseQueryString("", true)), "{}", "parseQueryString('', true)" );
489
490 /* #109 */
491 t.is( queryString({ids: [1,2,3]}), "ids=1&ids=2&ids=3", "queryString array value" );
492 t.is( queryString({ids: "123"}), "ids=123", "queryString string value" );
493
494 /* test values */
495 var o = {a: 1, b: 2, c: 4, d: -1};
496 var got = values(o);
497 got.sort();
498 t.is( repr(got), repr([-1, 1, 2, 4]), "values()" );
499
500 t.is( queryString([["foo", "bar"], ["baz", "wibble"]]), "foo=baz&bar=wibble" );
501 o = parseQueryString("foo=1=1=1&bar=2&baz&wibble=");
502 t.is( o.foo, "1=1=1", "parseQueryString multiple = first" );
503 t.is( o.bar, "2", "parseQueryString multiple = second" );
504 t.is( o.baz, "", "parseQueryString multiple = third" );
505 t.is( o.wibble, "", "parseQueryString multiple = fourth" );
506
507 };