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Make _.unzip its own method.

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This commit is contained in:
John-David Dalton
2014-07-03 09:46:39 -07:00
parent d56322a032
commit c7d3c78e72
2 changed files with 49 additions and 39 deletions
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38
test/test.js
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@@ -10807,9 +10807,12 @@
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.zip');
QUnit.module('lodash.unzip and lodash.zip');
_.each(['unzip', 'zip'], function(methodName) {
var func = _[methodName];
func = _.bind(methodName == 'zip' ? func.apply : func.call, func, null);
(function() {
var object = {
'an empty array': [
[],
@@ -10830,52 +10833,43 @@
};
_.forOwn(object, function(pair, key) {
test('should work with ' + key, 2, function() {
var actual = _.zip.apply(_, pair[0]);
test('`_.' + methodName + '` should work with ' + key, 2, function() {
var actual = func(pair[0]);
deepEqual(actual, pair[1]);
deepEqual(_.zip.apply(_, actual), actual.length ? pair[0] : []);
deepEqual(func(actual), actual.length ? pair[0] : []);
});
});
test('should work with tuples of different lengths', 4, function() {
test('`_.' + methodName + '` should work with tuples of different lengths', 4, function() {
var pair = [
[['barney', 36], ['fred', 40, false]],
[['barney', 'fred'], [36, 40], [undefined, false]]
];
var actual = _.zip(pair[0]);
var actual = func(pair[0]);
ok('0' in actual[2]);
deepEqual(actual, pair[1]);
actual = _.zip.apply(_, actual);
actual = func(actual);
ok('2' in actual[0]);
deepEqual(actual, [['barney', 36, undefined], ['fred', 40, false]]);
});
test('should treat falsey values as empty arrays', 1, function() {
test('`_.' + methodName + '` should treat falsey values as empty arrays', 1, function() {
var expected = _.map(falsey, _.constant([]));
var actual = _.map(falsey, function(value) {
return _.zip(value, value, value);
return func([value, value, value]);
});
deepEqual(actual, expected);
});
test('should support consuming its return value', 1, function() {
test('`_.' + methodName + '` should support consuming its return value', 1, function() {
var expected = [['barney', 'fred'], [36, 40]];
deepEqual(_.zip(_.zip(_.zip(_.zip(expected)))), expected);
deepEqual(func(func(func(func(expected)))), expected);
});
test('should support consuming its return value', 1, function() {
var expected = [['barney', 'fred'], [36, 40]];
deepEqual(_.zip(_.zip(_.zip(_.zip(expected)))), expected);
});
test('should be aliased', 1, function() {
strictEqual(_.unzip, _.zip);
});
}());
});
/*--------------------------------------------------------------------------*/