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describe('unique', function () {
var uniqueFilter;
beforeEach(module('ui.filters'));
beforeEach(inject(function ($filter) {
uniqueFilter = $filter('unique');
}));
it('should return unique entries based on object equality', function () {
var arrayToFilter = [
{key: 'value'},
{key: 'value2'},
{key: 'value'}
];
expect(uniqueFilter(arrayToFilter)).toEqual([
{key: 'value'},
{key: 'value2'}
]);
});
it('should return unique entries based on object equality for complex objects', function () {
var arrayToFilter = [
{key: 'value', other: 'other1'},
{key: 'value2', other: 'other2'},
{other: 'other1', key: 'value'}
];
expect(uniqueFilter(arrayToFilter)).toEqual([
{key: 'value', other: 'other1'},
{key: 'value2', other: 'other2'}
]);
});
it('should return unique entries based on the key provided', function () {
var arrayToFilter = [
{key: 'value'},
{key: 'value2'},
{key: 'value'}
];
expect(uniqueFilter(arrayToFilter, 'key')).toEqual([
{key: 'value'},
{key: 'value2'}
]);
});
it('should return unique entries based on the key provided for complex objects', function () {
var arrayToFilter = [
{key: 'value', other: 'other1'},
{key: 'value2', other: 'other2'},
{key: 'value', other: 'other3'}
];
expect(uniqueFilter(arrayToFilter, 'key')).toEqual([
{ key: 'value', other: 'other1' },
{ key: 'value2', other: 'other2' }
]);
});
it('should return unique primitives in arrays', function () {
expect(uniqueFilter([1, 2, 1, 3])).toEqual([1, 2, 3]);
});
it('should work correctly for arrays of mixed elements and object equality', function () {
expect(uniqueFilter([1, {key: 'value'}, 1, {key: 'value'}, 2, "string", 3])).toEqual([1, {key: 'value'}, 2, "string", 3]);
});
it('should work correctly for arrays of mixed elements and a key specified', function () {
expect(uniqueFilter([1, {key: 'value'}, 1, {key: 'value'}, 2, "string", 3], 'key')).toEqual([1, {key: 'value'}, 2, "string", 3]);
});
it('should return unmodified object if not array', function () {
expect(uniqueFilter('string', 'someKey')).toEqual('string');
});
it('should return unmodified array if provided key === false', function () {
var arrayToFilter = [
{key: 'value1'},
{key: 'value2'}
];
expect(uniqueFilter(arrayToFilter, false)).toEqual(arrayToFilter);
});
});
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