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Update vendor/underscore and underscore tests.

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John-David Dalton
2014-04-15 01:01:18 -07:00
parent 900c0eafac
commit d653b951e3
8 changed files with 446 additions and 285 deletions
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127
vendor/underscore/test/arrays.js vendored
View File

@@ -5,15 +5,15 @@
test('first', function() {
equal(_.first([1,2,3]), 1, 'can pull out the first element of an array');
equal(_([1, 2, 3]).first(), 1, 'can perform OO-style "first()"');
equal(_.first([1,2,3], 0).join(', '), '', 'can pass an index to first');
equal(_.first([1,2,3], 2).join(', '), '1, 2', 'can pass an index to first');
equal(_.first([1,2,3], 5).join(', '), '1, 2, 3', 'can pass an index to first');
deepEqual(_.first([1, 2, 3], 0), [], 'can pass an index to first');
deepEqual(_.first([1, 2, 3], 2), [1, 2], 'can pass an index to first');
deepEqual(_.first([1, 2, 3], 5), [1, 2, 3], 'can pass an index to first');
var result = (function(){ return _.first(arguments); })(4, 3, 2, 1);
equal(result, 4, 'works on an arguments object.');
result = _.map([[1,2,3],[1,2,3]], _.first);
equal(result.join(','), '1,1', 'works well with _.map');
deepEqual(result, [1, 1], 'works well with _.map');
result = (function() { return _.take([1,2,3], 2); })();
equal(result.join(','), '1,2', 'aliased as take');
deepEqual(result, [1, 2], 'aliased as take');
equal(_.first(null), undefined, 'handles nulls');
strictEqual(_.first([1, 2, 3], -1).length, 0);
@@ -21,35 +21,36 @@
test('rest', function() {
var numbers = [1, 2, 3, 4];
equal(_.rest(numbers).join(', '), '2, 3, 4', 'working rest()');
equal(_.rest(numbers, 0).join(', '), '1, 2, 3, 4', 'working rest(0)');
equal(_.rest(numbers, 2).join(', '), '3, 4', 'rest can take an index');
deepEqual(_.rest(numbers), [2, 3, 4], 'working rest()');
deepEqual(_.rest(numbers, 0), [1, 2, 3, 4], 'working rest(0)');
deepEqual(_.rest(numbers, 2), [3, 4], 'rest can take an index');
var result = (function(){ return _(arguments).tail(); })(1, 2, 3, 4);
equal(result.join(', '), '2, 3, 4', 'aliased as tail and works on arguments object');
deepEqual(result, [2, 3, 4], 'aliased as tail and works on arguments object');
result = _.map([[1,2,3],[1,2,3]], _.rest);
equal(_.flatten(result).join(','), '2,3,2,3', 'works well with _.map');
deepEqual(_.flatten(result), [2, 3, 2, 3], 'works well with _.map');
result = (function(){ return _(arguments).drop(); })(1, 2, 3, 4);
equal(result.join(', '), '2, 3, 4', 'aliased as drop and works on arguments object');
deepEqual(result, [2, 3, 4], 'aliased as drop and works on arguments object');
});
test('initial', function() {
equal(_.initial([1,2,3,4,5]).join(', '), '1, 2, 3, 4', 'working initial()');
equal(_.initial([1,2,3,4],2).join(', '), '1, 2', 'initial can take an index');
deepEqual(_.initial([1, 2, 3, 4, 5]), [1, 2, 3, 4], 'working initial()');
deepEqual(_.initial([1, 2, 3, 4], 2), [1, 2], 'initial can take an index');
deepEqual(_.initial([1, 2, 3, 4], 6), [], 'initial can take a large index');
var result = (function(){ return _(arguments).initial(); })(1, 2, 3, 4);
equal(result.join(', '), '1, 2, 3', 'initial works on arguments object');
deepEqual(result, [1, 2, 3], 'initial works on arguments object');
result = _.map([[1,2,3],[1,2,3]], _.initial);
equal(_.flatten(result).join(','), '1,2,1,2', 'initial works with _.map');
deepEqual(_.flatten(result), [1, 2, 1, 2], 'initial works with _.map');
});
test('last', function() {
equal(_.last([1,2,3]), 3, 'can pull out the last element of an array');
equal(_.last([1,2,3], 0).join(', '), '', 'can pass an index to last');
equal(_.last([1,2,3], 2).join(', '), '2, 3', 'can pass an index to last');
equal(_.last([1,2,3], 5).join(', '), '1, 2, 3', 'can pass an index to last');
deepEqual(_.last([1, 2, 3], 0), [], 'can pass an index to last');
deepEqual(_.last([1, 2, 3], 2), [2, 3], 'can pass an index to last');
deepEqual(_.last([1, 2, 3], 5), [1, 2, 3], 'can pass an index to last');
var result = (function(){ return _(arguments).last(); })(1, 2, 3, 4);
equal(result, 4, 'works on an arguments object');
result = _.map([[1,2,3],[1,2,3]], _.last);
equal(result.join(','), '3,3', 'works well with _.map');
deepEqual(result, [3, 3], 'works well with _.map');
equal(_.last(null), undefined, 'handles nulls');
strictEqual(_.last([1, 2, 3], -1).length, 0);
@@ -73,78 +74,89 @@
test('without', function() {
var list = [1, 2, 1, 0, 3, 1, 4];
equal(_.without(list, 0, 1).join(', '), '2, 3, 4', 'can remove all instances of an object');
deepEqual(_.without(list, 0, 1), [2, 3, 4], 'can remove all instances of an object');
var result = (function(){ return _.without(arguments, 0, 1); })(1, 2, 1, 0, 3, 1, 4);
equal(result.join(', '), '2, 3, 4', 'works on an arguments object');
deepEqual(result, [2, 3, 4], 'works on an arguments object');
list = [{one : 1}, {two : 2}];
ok(_.without(list, {one : 1}).length == 2, 'uses real object identity for comparisons.');
ok(_.without(list, list[0]).length == 1, 'ditto.');
});
test('partition', function() {
var list = [0, 1, 2, 3, 4, 5];
function inspect(x) { return x instanceof Array ? '[' + _.map(x, inspect) + ']' : '' + x; }
equal(inspect(_.partition(list, function(x) { return x < 4; })), '[[0,1,2,3],[4,5]]', 'handles bool return values');
equal(inspect(_.partition(list, function(x) { return x & 1; })), '[[1,3,5],[0,2,4]]', 'handles 0 and 1 return values');
equal(inspect(_.partition(list, function(x) { return x - 3; })), '[[0,1,2,4,5],[3]]', 'handles other numeric return values');
equal(inspect(_.partition(list, function(x) { return x > 1 ? null : true; })), '[[0,1],[2,3,4,5]]', 'handles null return values');
equal(inspect(_.partition(list, function(x) { if(x < 2) return true; })), '[[0,1],[2,3,4,5]]', 'handles undefined return values');
});
test('uniq', function() {
var list = [1, 2, 1, 3, 1, 4];
equal(_.uniq(list).join(', '), '1, 2, 3, 4', 'can find the unique values of an unsorted array');
deepEqual(_.uniq(list), [1, 2, 3, 4], 'can find the unique values of an unsorted array');
list = [1, 1, 1, 2, 2, 3];
equal(_.uniq(list, true).join(', '), '1, 2, 3', 'can find the unique values of a sorted array faster');
deepEqual(_.uniq(list, true), [1, 2, 3], 'can find the unique values of a sorted array faster');
list = [{name:'moe'}, {name:'curly'}, {name:'larry'}, {name:'curly'}];
var iterator = function(value) { return value.name; };
equal(_.map(_.uniq(list, false, iterator), iterator).join(', '), 'moe, curly, larry', 'can find the unique values of an array using a custom iterator');
deepEqual(_.map(_.uniq(list, false, iterator), iterator), ['moe', 'curly', 'larry'], 'can find the unique values of an array using a custom iterator');
equal(_.map(_.uniq(list, iterator), iterator).join(', '), 'moe, curly, larry', 'can find the unique values of an array using a custom iterator without specifying whether array is sorted');
deepEqual(_.map(_.uniq(list, iterator), iterator), ['moe', 'curly', 'larry'], 'can find the unique values of an array using a custom iterator without specifying whether array is sorted');
iterator = function(value) { return value +1; };
list = [1, 2, 2, 3, 4, 4];
equal(_.uniq(list, true, iterator).join(', '), '1, 2, 3, 4', 'iterator works with sorted array');
deepEqual(_.uniq(list, true, iterator), [1, 2, 3, 4], 'iterator works with sorted array');
var result = (function(){ return _.uniq(arguments); })(1, 2, 1, 3, 1, 4);
equal(result.join(', '), '1, 2, 3, 4', 'works on an arguments object');
deepEqual(result, [1, 2, 3, 4], 'works on an arguments object');
deepEqual(_.uniq(null), []);
var context = {};
list = [3];
_.uniq(list, function(value, index, array) {
strictEqual(this, context);
strictEqual(value, 3);
strictEqual(index, 0);
}, context);
});
test('intersection', function() {
var stooges = ['moe', 'curly', 'larry'], leaders = ['moe', 'groucho'];
equal(_.intersection(stooges, leaders).join(''), 'moe', 'can take the set intersection of two arrays');
equal(_(stooges).intersection(leaders).join(''), 'moe', 'can perform an OO-style intersection');
deepEqual(_.intersection(stooges, leaders), ['moe'], 'can take the set intersection of two arrays');
deepEqual(_(stooges).intersection(leaders), ['moe'], 'can perform an OO-style intersection');
var result = (function(){ return _.intersection(arguments, leaders); })('moe', 'curly', 'larry');
equal(result.join(''), 'moe', 'works on an arguments object');
deepEqual(result, ['moe'], 'works on an arguments object');
var theSixStooges = ['moe', 'moe', 'curly', 'curly', 'larry', 'larry'];
equal(_.intersection(theSixStooges, leaders).join(''), 'moe', 'returns a duplicate-free array');
deepEqual(_.intersection(theSixStooges, leaders), ['moe'], 'returns a duplicate-free array');
result = _.intersection([2, 4, 3, 1], [1, 2, 3]);
deepEqual(result, [2, 3, 1], 'preserves order of first array');
result = _.intersection(null, [1, 2, 3]);
equal(Object.prototype.toString.call(result), '[object Array]', 'returns an empty array when passed null as first argument');
equal(result.length, 0, 'returns an empty array when passed null as first argument');
result = _.intersection([1, 2, 3], null);
equal(Object.prototype.toString.call(result), '[object Array]', 'returns an empty array when passed null as argument beyond the first');
equal(result.length, 0, 'returns an empty array when passed null as argument beyond the first');
});
test('union', function() {
var result = _.union([1, 2, 3], [2, 30, 1], [1, 40]);
equal(result.join(' '), '1 2 3 30 40', 'takes the union of a list of arrays');
deepEqual(result, [1, 2, 3, 30, 40], 'takes the union of a list of arrays');
result = _.union([1, 2, 3], [2, 30, 1], [1, 40, [1]]);
equal(result.join(' '), '1 2 3 30 40 1', 'takes the union of a list of nested arrays');
deepEqual(result, [1, 2, 3, 30, 40, [1]], 'takes the union of a list of nested arrays');
var args = null;
(function(){ args = arguments; })(1, 2, 3);
result = _.union(args, [2, 30, 1], [1, 40]);
equal(result.join(' '), '1 2 3 30 40', 'takes the union of a list of arrays');
deepEqual(result, [1, 2, 3, 30, 40], 'takes the union of a list of arrays');
result = _.union(null, [1, 2, 3]);
deepEqual(result, [null, 1, 2, 3]);
result = _.union([1, 2, 3], 4);
deepEqual(result, [1, 2, 3], 'restrict the union to arrays only');
});
test('difference', function() {
var result = _.difference([1, 2, 3], [2, 30, 40]);
equal(result.join(' '), '1 3', 'takes the difference of two arrays');
deepEqual(result, [1, 3], 'takes the difference of two arrays');
result = _.difference([1, 2, 3, 4], [2, 30, 40], [1, 11, 111]);
equal(result.join(' '), '3 4', 'takes the difference of three arrays');
deepEqual(result, [3, 4], 'takes the difference of three arrays');
result = _.difference([1, 2, 3], 1);
deepEqual(result, [1, 2, 3], 'restrict the difference to arrays only');
});
test('zip', function() {
@@ -203,6 +215,9 @@
numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3];
index = _.indexOf(numbers, 2, 5);
equal(index, 7, 'supports the fromIndex argument');
index = _.indexOf([,,,], undefined);
equal(index, 0, 'treats sparse arrays as if they were dense');
});
test('lastIndexOf', function() {
@@ -223,14 +238,14 @@
});
test('range', function() {
equal(_.range(0).join(''), '', 'range with 0 as a first argument generates an empty array');
equal(_.range(4).join(' '), '0 1 2 3', 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
equal(_.range(5, 8).join(' '), '5 6 7', 'range with two arguments a &amp; b, a&lt;b generates an array of elements a,a+1,a+2,...,b-2,b-1');
equal(_.range(8, 5).join(''), '', 'range with two arguments a &amp; b, b&lt;a generates an empty array');
equal(_.range(3, 10, 3).join(' '), '3 6 9', 'range with three arguments a &amp; b &amp; c, c &lt; b-a, a &lt; b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) &lt; c');
equal(_.range(3, 10, 15).join(''), '3', 'range with three arguments a &amp; b &amp; c, c &gt; b-a, a &lt; b generates an array with a single element, equal to a');
equal(_.range(12, 7, -2).join(' '), '12 10 8', 'range with three arguments a &amp; b &amp; c, a &gt; b, c &lt; 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b');
equal(_.range(0, -10, -1).join(' '), '0 -1 -2 -3 -4 -5 -6 -7 -8 -9', 'final example in the Python docs');
deepEqual(_.range(0), [], 'range with 0 as a first argument generates an empty array');
deepEqual(_.range(4), [0, 1, 2, 3], 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
deepEqual(_.range(5, 8), [5, 6, 7], 'range with two arguments a &amp; b, a&lt;b generates an array of elements a,a+1,a+2,...,b-2,b-1');
deepEqual(_.range(8, 5), [], 'range with two arguments a &amp; b, b&lt;a generates an empty array');
deepEqual(_.range(3, 10, 3), [3, 6, 9], 'range with three arguments a &amp; b &amp; c, c &lt; b-a, a &lt; b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) &lt; c');
deepEqual(_.range(3, 10, 15), [3], 'range with three arguments a &amp; b &amp; c, c &gt; b-a, a &lt; b generates an array with a single element, equal to a');
deepEqual(_.range(12, 7, -2), [12, 10, 8], 'range with three arguments a &amp; b &amp; c, a &gt; b, c &lt; 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b');
deepEqual(_.range(0, -10, -1), [0, -1, -2, -3, -4, -5, -6, -7, -8, -9], 'final example in the Python docs');
});
})();

6
vendor/underscore/test/chaining.js vendored
View File

@@ -29,7 +29,7 @@
}).sortBy(function(n) {
return -n;
}).value();
equal(numbers.join(', '), '10, 6, 2', 'filtered and reversed the numbers');
deepEqual(numbers, [10, 6, 2], 'filtered and reversed the numbers');
});
test('select/reject/sortBy in functional style', function() {
@@ -41,7 +41,7 @@
}).sortBy(function(n) {
return -n;
}).value();
equal(numbers.join(', '), '10, 6, 2', 'filtered and reversed the numbers');
deepEqual(numbers, [10, 6, 2], 'filtered and reversed the numbers');
});
test('reverse/concat/unshift/pop/map', function() {
@@ -53,7 +53,7 @@
.pop()
.map(function(n){ return n * 2; })
.value();
equal(numbers.join(', '), '34, 10, 8, 6, 4, 2, 10, 10', 'can chain together array functions.');
deepEqual(numbers, [34, 10, 8, 6, 4, 2, 10, 10], 'can chain together array functions.');
});
test('chaining works in small stages', function() {

92
vendor/underscore/test/collections.js vendored
View File

@@ -9,17 +9,17 @@
var answers = [];
_.each([1, 2, 3], function(num){ answers.push(num * this.multiplier);}, {multiplier : 5});
equal(answers.join(', '), '5, 10, 15', 'context object property accessed');
deepEqual(answers, [5, 10, 15], 'context object property accessed');
answers = [];
_.forEach([1, 2, 3], function(num){ answers.push(num); });
equal(answers.join(', '), '1, 2, 3', 'aliased as "forEach"');
deepEqual(answers, [1, 2, 3], 'aliased as "forEach"');
answers = [];
var obj = {one : 1, two : 2, three : 3};
obj.constructor.prototype.four = 4;
_.each(obj, function(value, key){ answers.push(key); });
equal(answers.join(', '), 'one, two, three', 'iterating over objects works, and ignores the object prototype.');
deepEqual(answers, ['one', 'two', 'three'], 'iterating over objects works, and ignores the object prototype.');
delete obj.constructor.prototype.four;
var answer = null;
@@ -35,20 +35,26 @@
var a = [1, 2, 3];
strictEqual(_.each(a, function(){}), a);
strictEqual(_.each(null, function(){}), null);
var b = [1, 2, 3];
b.length = 100;
answers = 0;
_.each(b, function(){ ++answers; });
equal(answers, 100, 'enumerates [0, length)');
});
test('map', function() {
var doubled = _.map([1, 2, 3], function(num){ return num * 2; });
equal(doubled.join(', '), '2, 4, 6', 'doubled numbers');
deepEqual(doubled, [2, 4, 6], 'doubled numbers');
doubled = _.collect([1, 2, 3], function(num){ return num * 2; });
equal(doubled.join(', '), '2, 4, 6', 'aliased as "collect"');
deepEqual(doubled, [2, 4, 6], 'aliased as "collect"');
var tripled = _.map([1, 2, 3], function(num){ return num * this.multiplier; }, {multiplier : 3});
equal(tripled.join(', '), '3, 6, 9', 'tripled numbers with context');
deepEqual(tripled, [3, 6, 9], 'tripled numbers with context');
var doubled = _([1, 2, 3]).map(function(num){ return num * 2; });
equal(doubled.join(', '), '2, 4, 6', 'OO-style doubled numbers');
deepEqual(doubled, [2, 4, 6], 'OO-style doubled numbers');
if (document.querySelectorAll) {
var ids = _.map(document.querySelectorAll('#map-test *'), function(n){ return n.id; });
@@ -170,15 +176,15 @@
test('select', function() {
var evens = _.select([1, 2, 3, 4, 5, 6], function(num){ return num % 2 == 0; });
equal(evens.join(', '), '2, 4, 6', 'selected each even number');
deepEqual(evens, [2, 4, 6], 'selected each even number');
evens = _.filter([1, 2, 3, 4, 5, 6], function(num){ return num % 2 == 0; });
equal(evens.join(', '), '2, 4, 6', 'aliased as "filter"');
deepEqual(evens, [2, 4, 6], 'aliased as "filter"');
});
test('reject', function() {
var odds = _.reject([1, 2, 3, 4, 5, 6], function(num){ return num % 2 == 0; });
equal(odds.join(', '), '1, 3, 5', 'rejected each even number');
deepEqual(odds, [1, 3, 5], 'rejected each even number');
var context = 'obj';
@@ -186,7 +192,7 @@
equal(context, 'obj');
return num % 2 != 0;
}, context);
equal(evens.join(', '), '2, 4, 6', 'rejected each odd number');
deepEqual(evens, [2, 4, 6], 'rejected each odd number');
});
test('all', function() {
@@ -227,15 +233,15 @@
test('invoke', function() {
var list = [[5, 1, 7], [3, 2, 1]];
var result = _.invoke(list, 'sort');
equal(result[0].join(', '), '1, 5, 7', 'first array sorted');
equal(result[1].join(', '), '1, 2, 3', 'second array sorted');
deepEqual(result[0], [1, 5, 7], 'first array sorted');
deepEqual(result[1], [1, 2, 3], 'second array sorted');
});
test('invoke w/ function reference', function() {
var list = [[5, 1, 7], [3, 2, 1]];
var result = _.invoke(list, Array.prototype.sort);
equal(result[0].join(', '), '1, 5, 7', 'first array sorted');
equal(result[1].join(', '), '1, 2, 3', 'second array sorted');
deepEqual(result[0], [1, 5, 7], 'first array sorted');
deepEqual(result[1], [1, 2, 3], 'second array sorted');
});
// Relevant when using ClojureScript
@@ -247,15 +253,15 @@
var s = 'foo';
equal(s.call(), 42, 'call function exists');
var result = _.invoke(list, 'sort');
equal(result[0].join(', '), '1, 5, 7', 'first array sorted');
equal(result[1].join(', '), '1, 2, 3', 'second array sorted');
deepEqual(result[0], [1, 5, 7], 'first array sorted');
deepEqual(result[1], [1, 2, 3], 'second array sorted');
delete String.prototype.call;
equal(s.call, undefined, 'call function removed');
});
test('pluck', function() {
var people = [{name : 'moe', age : 30}, {name : 'curly', age : 50}];
equal(_.pluck(people, 'name').join(', '), 'moe, curly', 'pulls names out of objects');
deepEqual(_.pluck(people, 'name'), ['moe', 'curly'], 'pulls names out of objects');
});
test('where', function() {
@@ -295,6 +301,9 @@
equal(_.max({'a': 'a'}), -Infinity, 'Maximum value of a non-numeric collection');
equal(299999, _.max(_.range(1,300000)), 'Maximum value of a too-big array');
equal(3, _.max([1, 2, 3, 'test']), 'Finds correct max in array starting with num and containing a NaN');
equal(3, _.max(['test', 1, 2, 3]), 'Finds correct max in array starting with NaN');
});
test('min', function() {
@@ -312,19 +321,22 @@
equal(_.min([now, then]), then);
equal(1, _.min(_.range(1,300000)), 'Minimum value of a too-big array');
equal(1, _.min([1, 2, 3, 'test']), 'Finds correct min in array starting with num and containing a NaN');
equal(1, _.min(['test', 1, 2, 3]), 'Finds correct min in array starting with NaN');
});
test('sortBy', function() {
var people = [{name : 'curly', age : 50}, {name : 'moe', age : 30}];
people = _.sortBy(people, function(person){ return person.age; });
equal(_.pluck(people, 'name').join(', '), 'moe, curly', 'stooges sorted by age');
deepEqual(_.pluck(people, 'name'), ['moe', 'curly'], 'stooges sorted by age');
var list = [undefined, 4, 1, undefined, 3, 2];
equal(_.sortBy(list, _.identity).join(','), '1,2,3,4,,', 'sortBy with undefined values');
deepEqual(_.sortBy(list, _.identity), [1, 2, 3, 4, undefined, undefined], 'sortBy with undefined values');
var list = ['one', 'two', 'three', 'four', 'five'];
var sorted = _.sortBy(list, 'length');
equal(sorted.join(' '), 'one two four five three', 'sorted by length');
deepEqual(sorted, ['one', 'two', 'four', 'five', 'three'], 'sorted by length');
function Pair(x, y) {
this.x = x;
@@ -350,19 +362,19 @@
deepEqual(actual, collection, 'sortBy should be stable');
var list = ['q', 'w', 'e', 'r', 't', 'y'];
strictEqual(_.sortBy(list).join(''), 'eqrtwy', 'uses _.identity if iterator is not specified');
deepEqual(_.sortBy(list), ['e', 'q', 'r', 't', 'w', 'y'], 'uses _.identity if iterator is not specified');
});
test('groupBy', function() {
var parity = _.groupBy([1, 2, 3, 4, 5, 6], function(num){ return num % 2; });
ok('0' in parity && '1' in parity, 'created a group for each value');
equal(parity[0].join(', '), '2, 4, 6', 'put each even number in the right group');
deepEqual(parity[0], [2, 4, 6], 'put each even number in the right group');
var list = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten'];
var grouped = _.groupBy(list, 'length');
equal(grouped['3'].join(' '), 'one two six ten');
equal(grouped['4'].join(' '), 'four five nine');
equal(grouped['5'].join(' '), 'three seven eight');
deepEqual(grouped['3'], ['one', 'two', 'six', 'ten']);
deepEqual(grouped['4'], ['four', 'five', 'nine']);
deepEqual(grouped['5'], ['three', 'seven', 'eight']);
var context = {};
_.groupBy([{}], function(){ ok(this === context); }, context);
@@ -459,15 +471,15 @@
var numbers = _.range(10);
var shuffled = _.shuffle(numbers).sort();
notStrictEqual(numbers, shuffled, 'original object is unmodified');
equal(shuffled.join(','), numbers.join(','), 'contains the same members before and after shuffle');
deepEqual(shuffled, numbers, 'contains the same members before and after shuffle');
});
test('sample', function() {
var numbers = _.range(10);
var all_sampled = _.sample(numbers, 10).sort();
equal(all_sampled.join(','), numbers.join(','), 'contains the same members before and after sample');
deepEqual(all_sampled, numbers, 'contains the same members before and after sample');
all_sampled = _.sample(numbers, 20).sort();
equal(all_sampled.join(','), numbers.join(','), 'also works when sampling more objects than are present');
deepEqual(all_sampled, numbers, 'also works when sampling more objects than are present');
ok(_.contains(numbers, _.sample(numbers)), 'sampling a single element returns something from the array');
strictEqual(_.sample([]), undefined, 'sampling empty array with no number returns undefined');
notStrictEqual(_.sample([], 5), [], 'sampling empty array with a number returns an empty array');
@@ -481,10 +493,10 @@
ok(_.isArray(_.toArray(arguments)), 'arguments object converted into array');
var a = [1,2,3];
ok(_.toArray(a) !== a, 'array is cloned');
equal(_.toArray(a).join(', '), '1, 2, 3', 'cloned array contains same elements');
deepEqual(_.toArray(a), [1, 2, 3], 'cloned array contains same elements');
var numbers = _.toArray({one : 1, two : 2, three : 3});
equal(numbers.join(', '), '1, 2, 3', 'object flattened into array');
deepEqual(numbers, [1, 2, 3], 'object flattened into array');
// test in IE < 9
try {
@@ -511,4 +523,22 @@
equal(_.size(null), 0, 'handles nulls');
});
test('partition', function() {
var list = [0, 1, 2, 3, 4, 5];
deepEqual(_.partition(list, function(x) { return x < 4; }), [[0,1,2,3],[4,5]], 'handles bool return values');
deepEqual(_.partition(list, function(x) { return x & 1; }), [[1,3,5],[0,2,4]], 'handles 0 and 1 return values');
deepEqual(_.partition(list, function(x) { return x - 3; }), [[0,1,2,4,5],[3]], 'handles other numeric return values');
deepEqual(_.partition(list, function(x) { return x > 1 ? null : true; }), [[0,1],[2,3,4,5]], 'handles null return values');
deepEqual(_.partition(list, function(x) { if(x < 2) return true; }), [[0,1],[2,3,4,5]], 'handles undefined return values');
deepEqual(_.partition({a: 1, b: 2, c: 3}, function(x) { return x > 1; }), [[2, 3], [1]], 'handles objects');
// Default iterator
deepEqual(_.partition([1, false, true, '']), [[1, true], [false, '']], 'Default iterator');
deepEqual(_.partition([{x: 1}, {x: 0}, {x: 1}], 'x'), [[{x: 1}, {x: 1}], [{x: 0}]], 'Takes a string');
// Context
var predicate = function(x){ return x === this.x };
deepEqual(_.partition([1, 2, 3], predicate, {x: 2}), [[2], [1, 3]], 'partition takes a context argument');
});
})();

48
vendor/underscore/test/functions.js vendored
View File

@@ -278,6 +278,26 @@
}, 96);
});
asyncTest('throttle continues to function after system time is set backwards', 2, function() {
var counter = 0;
var incr = function(){ counter++; };
var throttledIncr = _.throttle(incr, 100);
var origNowFunc = _.now;
throttledIncr();
ok(counter == 1);
_.now = function () {
return new Date(2013, 0, 1, 1, 1, 1);
};
_.delay(function() {
throttledIncr();
ok(counter == 2);
start();
_.now = origNowFunc;
}, 200);
});
asyncTest('debounce', 1, function() {
var counter = 0;
var incr = function(){ counter++; };
@@ -314,6 +334,28 @@
_.delay(function(){ equal(counter, 1, 'incr was debounced'); start(); }, 96);
});
asyncTest('debounce after system time is set backwards', 2, function() {
var counter = 0;
var origNowFunc = _.now;
var debouncedIncr = _.debounce(function(){
counter++;
}, 100, true);
debouncedIncr();
equal(counter, 1, 'incr was called immediately');
_.now = function () {
return new Date(2013, 0, 1, 1, 1, 1);
};
_.delay(function() {
debouncedIncr();
equal(counter, 2, 'incr was debounced successfully');
start();
_.now = origNowFunc;
},200);
});
test('once', function() {
var num = 0;
var increment = _.once(function(){ num++; });
@@ -346,6 +388,12 @@
deepEqual(ret, [noop, ['whats', 'your'], 'vector', 'victor']);
});
test('negate', function() {
var isOdd = function(n){ return (n & 1) == 1; };
equal(_.negate(isOdd)(2), true, 'should return the complement of the given function');
equal(_.negate(isOdd)(3), false, 'should return the complement of the given function');
});
test('compose', function() {
var greet = function(name){ return 'hi: ' + name; };
var exclaim = function(sentence){ return sentence + '!'; };

86
vendor/underscore/test/objects.js vendored
View File

@@ -3,10 +3,10 @@
module('Objects');
test('keys', function() {
equal(_.keys({one : 1, two : 2}).join(', '), 'one, two', 'can extract the keys from an object');
deepEqual(_.keys({one : 1, two : 2}), ['one', 'two'], 'can extract the keys from an object');
// the test above is not safe because it relies on for-in enumeration order
var a = []; a[1] = 0;
equal(_.keys(a).join(', '), '1', 'is not fooled by sparse arrays; see issue #95');
deepEqual(_.keys(a), ['1'], 'is not fooled by sparse arrays; see issue #95');
deepEqual(_.keys(null), []);
deepEqual(_.keys(void 0), []);
deepEqual(_.keys(1), []);
@@ -15,8 +15,8 @@
});
test('values', function() {
equal(_.values({one: 1, two: 2}).join(', '), '1, 2', 'can extract the values from an object');
equal(_.values({one: 1, two: 2, length: 3}).join(', '), '1, 2, 3', '... even when one of them is "length"');
deepEqual(_.values({one: 1, two: 2}), [1, 2], 'can extract the values from an object');
deepEqual(_.values({one: 1, two: 2, length: 3}), [1, 2, 3], '... even when one of them is "length"');
});
test('pairs', function() {
@@ -26,7 +26,7 @@
test('invert', function() {
var obj = {first: 'Moe', second: 'Larry', third: 'Curly'};
equal(_.keys(_.invert(obj)).join(' '), 'Moe Larry Curly', 'can invert an object');
deepEqual(_.keys(_.invert(obj)), ['Moe', 'Larry', 'Curly'], 'can invert an object');
ok(_.isEqual(_.invert(_.invert(obj)), obj), 'two inverts gets you back where you started');
var obj = {length: 3};
@@ -39,7 +39,7 @@
var Animal = function(){};
Animal.prototype.run = function(){};
equal(_.functions(new Animal).join(''), 'run', 'also looks up functions on the prototype');
deepEqual(_.functions(new Animal), ['run'], 'also looks up functions on the prototype');
});
test('extend', function() {
@@ -52,7 +52,7 @@
result = _.extend({x:'x'}, {a:'a', x:2}, {a:'b'});
ok(_.isEqual(result, {x:2, a:'b'}), 'extending from multiple source objects last property trumps');
result = _.extend({}, {a: void 0, b: null});
equal(_.keys(result).join(''), 'ab', 'extend copies undefined values');
deepEqual(_.keys(result), ['a', 'b'], 'extend copies undefined values');
try {
result = {};
@@ -64,30 +64,52 @@
test('pick', function() {
var result;
result = _.pick({a:1, b:2, c:3}, 'a', 'c');
ok(_.isEqual(result, {a:1, c:3}), 'can restrict properties to those named');
result = _.pick({a:1, b:2, c:3}, ['b', 'c']);
ok(_.isEqual(result, {b:2, c:3}), 'can restrict properties to those named in an array');
result = _.pick({a:1, b:2, c:3}, ['a'], 'b');
ok(_.isEqual(result, {a:1, b:2}), 'can restrict properties to those named in mixed args');
result = _.pick({a: 1, b: 2, c: 3}, 'a', 'c');
deepEqual(result, {a: 1, c: 3}, 'can restrict properties to those named');
result = _.pick({a: 1, b: 2, c: 3}, ['b', 'c']);
deepEqual(result, {b: 2, c: 3}, 'can restrict properties to those named in an array');
result = _.pick({a: 1, b: 2, c: 3}, ['a'], 'b');
deepEqual(result, {a: 1, b: 2}, 'can restrict properties to those named in mixed args');
result = _.pick(['a', 'b'], 1);
deepEqual(result, {1: 'b'}, 'can pick numeric properties');
var data = {a: 1, b: 2, c: 3};
var callback = function(value, key, object) {
strictEqual(key, {1: 'a', 2: 'b', 3: 'c'}[value]);
strictEqual(object, data);
return value !== this.value;
};
result = _.pick(data, callback, {value: 2});
deepEqual(result, {a: 1, c: 3}, 'can accept a predicate and context');
var Obj = function(){};
Obj.prototype = {a: 1, b: 2, c: 3};
ok(_.isEqual(_.pick(new Obj, 'a', 'c'), {a:1, c: 3}), 'include prototype props');
deepEqual(_.pick(new Obj, 'a', 'c'), {a: 1, c: 3}, 'include prototype props');
});
test('omit', function() {
var result;
result = _.omit({a:1, b:2, c:3}, 'b');
ok(_.isEqual(result, {a:1, c:3}), 'can omit a single named property');
result = _.omit({a:1, b:2, c:3}, 'a', 'c');
ok(_.isEqual(result, {b:2}), 'can omit several named properties');
result = _.omit({a:1, b:2, c:3}, ['b', 'c']);
ok(_.isEqual(result, {a:1}), 'can omit properties named in an array');
result = _.omit({a: 1, b: 2, c: 3}, 'b');
deepEqual(result, {a: 1, c: 3}, 'can omit a single named property');
result = _.omit({a: 1, b: 2, c: 3}, 'a', 'c');
deepEqual(result, {b: 2}, 'can omit several named properties');
result = _.omit({a: 1, b: 2, c: 3}, ['b', 'c']);
deepEqual(result, {a: 1}, 'can omit properties named in an array');
result = _.omit(['a', 'b'], 0);
deepEqual(result, {1: 'b'}, 'can omit numeric properties');
var data = {a: 1, b: 2, c: 3};
var callback = function(value, key, object) {
strictEqual(key, {1: 'a', 2: 'b', 3: 'c'}[value]);
strictEqual(object, data);
return value !== this.value;
};
result = _.omit(data, callback, {value: 2});
deepEqual(result, {b: 2}, 'can accept a predicate');
var Obj = function(){};
Obj.prototype = {a: 1, b: 2, c: 3};
ok(_.isEqual(_.omit(new Obj, 'b'), {a:1, c: 3}), 'include prototype props');
deepEqual(_.omit(new Obj, 'b'), {a: 1, c: 3}, 'include prototype props');
});
test('defaults', function() {
@@ -389,6 +411,10 @@
var obj = {one : 1};
delete obj.one;
ok(_.isEmpty(obj), 'deleting all the keys from an object empties it');
var args = function(){ return arguments; };
ok(_.isEmpty(args()), 'empty arguments object is empty');
ok(!_.isEmpty(args('')), 'non-empty arguments object is not empty');
});
// Setup remote variables for iFrame tests.
@@ -587,14 +613,18 @@
ok(_.has(obj, "foo"), "has() works even when the hasOwnProperty method is deleted.");
var child = {};
child.prototype = obj;
ok(_.has(child, "foo") == false, "has() does not check the prototype chain for a property.")
ok(_.has(child, "foo") == false, "has() does not check the prototype chain for a property.");
});
test("matches", function() {
var moe = {name: 'Moe Howard', hair: true},
curly = {name: 'Curly Howard', hair: false},
stooges = [moe, curly];
ok(_.find(stooges, _.matches({hair: false})) === curly, "returns a predicate that can be used by finding functions.")
ok(_.find(stooges, _.matches(moe)) === moe, "can be used to locate an object exists in a collection.")
})
var moe = {name: 'Moe Howard', hair: true};
var curly = {name: 'Curly Howard', hair: false};
var stooges = [moe, curly];
ok(_.find(stooges, _.matches({hair: false})) === curly, "returns a predicate that can be used by finding functions.");
ok(_.find(stooges, _.matches(moe)) === moe, "can be used to locate an object exists in a collection.");
deepEqual(_.where([null, undefined], {a: 1}), [], 'Do not throw on null values.');
deepEqual(_.where([null, undefined], null), [null, undefined], 'null matches null');
deepEqual(_.where([null, undefined], {}), [null, undefined], 'null matches {}');
});
})();

4
vendor/underscore/test/utility.js vendored
View File

@@ -30,6 +30,10 @@
equal(_.constant(moe)(), moe, 'should create a function that returns moe');
});
test('noop', function() {
strictEqual(_.noop('curly', 'larry', 'moe'), undefined, 'should always return undefined');
});
test('property', function() {
var moe = {name : 'moe'};
equal(_.property('name')(moe), 'moe', 'should return the property with the given name');