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Add _.juxt tests.

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John-David Dalton
2015-10-11 21:22:50 -07:00
parent 505f02fd72
commit 4f0a5e937b
1 changed files with 59 additions and 2 deletions
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61
test/test.js
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@@ -2527,7 +2527,7 @@
QUnit.module('lodash.conj');
(function() {
QUnit.test('should return `true` if all predicates return truthy', function(assert) {
QUnit.test('should create a function that returns `true` if all predicates return truthy', function(assert) {
assert.expect(1);
var conjed = _.conj(_.constant(true), _.constant(1), _.constant('a'));
@@ -3802,7 +3802,7 @@
QUnit.module('lodash.disj');
(function() {
QUnit.test('should return `true` if any predicates return truthy', function(assert) {
QUnit.test('should create a function that returns `true` if any predicates return truthy', function(assert) {
assert.expect(2);
var disjed = _.disj(_.constant(false), _.constant(1), _.constant(''));
@@ -11077,6 +11077,63 @@
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.juxt');
(function() {
QUnit.test('should create a function that invokes `iteratees`', function(assert) {
assert.expect(1);
var juxted = _.juxt(Math.max, Math.min);
assert.deepEqual(juxted(1, 2, 3, 4), [4, 1]);
});
QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) {
assert.expect(1);
var juxted = _.juxt(undefined, null);
assert.deepEqual(juxted('a', 'b', 'c'), ['a', 'a']);
});
QUnit.test('should work with a "_.property" style predicate', function(assert) {
assert.expect(1);
var object = { 'a': 1, 'b': 2 },
juxted = _.juxt('b', 'a');
assert.deepEqual(juxted(object), [2, 1]);
});
QUnit.test('should work with a "_.matches" style predicate', function(assert) {
assert.expect(1);
var object = { 'a': 1, 'b': 2 },
juxted = _.juxt({ 'c': 3 }, { 'a': 1 });
assert.deepEqual(juxted(object), [false, true]);
});
QUnit.test('should provide multiple arguments to predicates', function(assert) {
assert.expect(1);
var juxted = _.juxt(function() {
return slice.call(arguments);
});
assert.deepEqual(juxted('a', 'b', 'c'), [['a', 'b', 'c']]);
});
QUnit.test('should not set a `this` binding', function(assert) {
assert.expect(1);
var juxted = _.juxt(function() { return this.b; }, function() { return this.a; }),
object = { 'juxted': juxted, 'a': 1, 'b': 2 };
assert.deepEqual(object.juxted(), [2, 1]);
});
}());
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.map');
(function() {