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Cleanup tests and add a _.callback test for argCount.

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John-David Dalton
2014-07-09 08:24:30 -07:00
parent 62b3120ffd
commit 2a1e063641
1 changed files with 46 additions and 35 deletions
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81
test/test.js
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@@ -1927,23 +1927,27 @@
QUnit.module('lodash.callback');
(function() {
test('should create a callback with a falsey `thisArg`', 1, function() {
var fn = function() { return this; },
object = {};
test('should provide `argCount` number of arguments to `func`', 1, function() {
var args;
var expected = _.map(falsey, function(value) {
var result = fn.call(value);
return (result && result.Array) ? object : result;
var callback = _.callback(function() {
args = slice.call(arguments);
}, 1);
callback('a', 'b', 'c');
deepEqual(args, ['a']);
});
test('should work without an `argCount`', 1, function() {
var args,
expected = ['a', 'b', 'c', 'd', 'e'];
var callback = _.callback(function() {
args = slice.call(arguments);
});
var actual = _.map(falsey, function(value) {
var callback = _.callback(fn, value),
result = callback();
return (result && result.Array) ? object : result;
});
ok(_.isEqual(actual, expected));
callback.apply(null, expected);
deepEqual(args, expected);
});
test('should return `_.identity` when `func` is nullish', 2, function() {
@@ -1966,6 +1970,25 @@
});
});
test('should create a callback with a falsey `thisArg`', 1, function() {
var fn = function() { return this; },
object = {};
var expected = _.map(falsey, function(value) {
var result = fn.call(value);
return (result && result.Array) ? object : result;
});
var actual = _.map(falsey, function(value) {
var callback = _.callback(fn, value),
result = callback();
return (result && result.Array) ? object : result;
});
ok(_.isEqual(actual, expected));
});
test('should return a callback created by `_.matches` when `func` is an object', 2, function() {
var callback = _.callback({ 'a': 1 });
strictEqual(callback({ 'a': 1, 'b': 2 }), true);
@@ -1982,18 +2005,6 @@
strictEqual(callback(array), 'a');
});
test('should work without an `argCount`', 1, function() {
var args,
expected = ['a', 'b', 'c', 'd', 'e'];
var callback = _.callback(function() {
args = slice.call(arguments);
});
callback.apply(null, expected);
deepEqual(args, expected);
});
test('should work with functions created by `_.partial` and `_.partialRight`', 2, function() {
function fn() {
var result = [this.a];
@@ -2104,14 +2115,14 @@
deepEqual(curried(1, 2)(3, 4), expected);
deepEqual(curried(1, 2, 3, 4), expected);
});
test('should allow explicitly setting arity', 3, function(){
test('should allow specifying `arity`', 3, function(){
var curried = _.curry(fn, 3),
expected = [1, 2, 3];
deepEqual(curried(1, 2, 3), expected);
deepEqual(curried(1)(2)(3), expected);
deepEqual(curried(1)(2, 3), expected);
deepEqual(curried(1, 2)(3), expected);
deepEqual(curried(1, 2, 3), expected);
});
test('should work with partialed methods', 2, function() {
@@ -2140,7 +2151,7 @@
}
});
test('should provide additional arguments after reaching arity target', 3, function() {
test('should provide additional arguments after reaching the target arity', 3, function() {
var curried = _.curry(fn, 3);
deepEqual(curried(1)(2, 3, 4), [1, 2, 3, 4]);
deepEqual(curried(1, 2)(3, 4, 5), [1, 2, 3, 4, 5]);
@@ -2210,13 +2221,13 @@
deepEqual(curried(1, 2, 3, 4), expected);
});
test('should allow explicitly setting arity', 3, function(){
test('should allow specifying `arity`', 3, function(){
var curried = _.curryRight(fn, 3),
expected = [1, 2, 3];
deepEqual(curried(1, 2, 3), expected);
deepEqual(curried(3)(2)(1), expected);
deepEqual(curried(3)(1, 2), expected);
deepEqual(curried(2, 3)(1), expected);
deepEqual(curried(1, 2, 3), expected);
});
test('should work with partialed methods', 2, function() {
@@ -2245,7 +2256,7 @@
}
});
test('should provide additional arguments after reaching arity target', 3, function() {
test('should provide additional arguments after reaching the target arity', 3, function() {
var curried = _.curryRight(fn, 3);
deepEqual(curried(4)(1, 2, 3), [1, 2, 3, 4]);
deepEqual(curried(4, 5)(1, 2, 3), [1, 2, 3, 4, 5]);