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Ensure _.where returns elements that contain all source array values. [closes #583]

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John-David Dalton
2014-06-11 09:26:21 -07:00
parent ec89382e35
commit e5ccfc4446
2 changed files with 44 additions and 33 deletions
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58
test/test.js
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@@ -10138,16 +10138,24 @@
{ 'a': 3 }
];
test('should filter by `source` properties', 6, function() {
deepEqual(_.where(objects, { 'a': 1 }), [{ 'a': 1 }, { 'a': 1 }, { 'a': 1, 'b': 2 }]);
deepEqual(_.where(objects, { 'a': 2 }), [{ 'a': 2, 'b': 2 }]);
deepEqual(_.where(objects, { 'a': 3 }), [{ 'a': 3 }]);
deepEqual(_.where(objects, { 'b': 1 }), []);
deepEqual(_.where(objects, { 'b': 2 }), [{ 'a': 1, 'b': 2 }, { 'a': 2, 'b': 2 }]);
deepEqual(_.where(objects, { 'a': 1, 'b': 2 }), [{ 'a': 1, 'b': 2 }]);
test('should filter by `source` properties', 12, function() {
var pairs = [
[{ 'a': 1 }, [{ 'a': 1 }, { 'a': 1 }, { 'a': 1, 'b': 2 }]],
[{ 'a': 2 }, [{ 'a': 2, 'b': 2 }]],
[{ 'a': 3 }, [{ 'a': 3 }]],
[{ 'b': 1 }, []],
[{ 'b': 2 }, [{ 'a': 1, 'b': 2 }, { 'a': 2, 'b': 2 }]],
[{ 'a': 1, 'b': 2 }, [{ 'a': 1, 'b': 2 }]]
];
_.each(pairs, function(pair) {
var actual = _.where(objects, pair[0]);
deepEqual(actual, pair[1]);
ok(_.isEmpty(_.difference(actual, objects)));
});
});
test('should not filter by inherited `source` properties', 2, function() {
test('should not filter by inherited `source` properties', 1, function() {
function Foo() {}
Foo.prototype = { 'a': 2 };
@@ -10158,7 +10166,6 @@
actual = _.where(objects, source);
deepEqual(actual, expected);
ok(_.isEmpty(_.difference(actual, objects)));
});
test('should filter by problem JScript properties (test in IE < 9)', 1, function() {
@@ -10166,7 +10173,7 @@
deepEqual(_.where(collection, shadowedObject), [shadowedObject]);
});
test('should work with an object for `collection`', 2, function() {
test('should work with an object for `collection`', 1, function() {
var collection = {
'x': { 'a': 1 },
'y': { 'a': 3 },
@@ -10177,7 +10184,6 @@
actual = _.where(collection, { 'a': 1 });
deepEqual(actual, expected);
ok(_.isEmpty(_.difference(actual, _.values(collection))));
});
test('should work with a function for `source`', 1, function() {
@@ -10198,32 +10204,38 @@
deepEqual(actual, expected);
});
test('should perform a deep partial comparison of `source`', 2, function() {
test('should perform a deep partial comparison of `source`', 1, function() {
var collection = [{ 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 }],
expected = collection.slice(),
actual = _.where(collection, { 'a': { 'b': { 'c': 1 } } });
deepEqual(actual, expected);
ok(_.isEmpty(_.difference(actual, collection)));
});
test('should search of arrays for values', 2, function() {
var collection = [{ 'a': [1, 2] }],
expected = collection.slice();
test('should search arrays of `source` for values', 4, function() {
var collection = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }],
actual = _.where(collection, { 'a': ['d'] });
deepEqual(_.where(collection, { 'a': [] }), []);
deepEqual(_.where(collection, { 'a': [2] }), expected);
deepEqual(actual, [collection[1]]);
actual = _.where(collection, { 'a': [] });
deepEqual(actual, []);
actual = _.where(collection, { 'a': ['b', 'd'] });
deepEqual(actual, []);
actual = _.where(collection, { 'a': ['d', 'b'] });
deepEqual(actual, []);
});
test('should perform a partial comparison of *all* objects within arrays of `source`', 2, function() {
test('should perform a partial comparison of all objects within arrays of `source`', 1, function() {
var collection = [
{ 'a': [{ 'b': 1, 'c': 2, 'd': 3 }, { 'b': 4, 'c': 5, 'd': 6 }] },
{ 'a': [{ 'b': 1, 'c': 2, 'd': 3 }, { 'b': 4, 'c': 6, 'd': 7 }] }
{ 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] },
{ 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] }
];
var actual = _.where(collection, { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5 }] });
var actual = _.where(collection, { 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] });
deepEqual(actual, [collection[0]]);
ok(_.isEmpty(_.difference(actual, collection)));
});
test('should handle a `source` with `undefined` values', 4, function() {