* Test cases for the test_media_tags test.
*/
public function media_tags_provider() {
- // Given a 1D array, computes the power set of those elements.
- $p = function(array $set) {
- return array_reduce($set, function($carry, $element) {
- return array_merge($carry, array_map(function($subset) use ($element) {
- return array_merge([$element], $subset);
- }, $carry));
- }, [[]]);
- };
-
- // Takes an array of attributes, then generates a test for every possible combination of them
- // (i.e., every element of the power set). The testcases are named using $prefix and then
- // a '/' delimited string describing the attributes being used. $templats is for the
- // raw data and expected result.
+ // Takes an array of attributes, then generates a test for each of them.
$generatetestcases = function($prefix, array $attrs, array $templates) use ($p) {
- $attrcombinations = $p($attrs);
- return array_reduce($attrcombinations, function($carry, $attrset) use ($prefix, $templates) {
- $testcase = [$prefix . '/' . join('/', $attrset) => [
- sprintf($templates[0], join(" ", $attrset)),
- sprintf($templates[1], join(" ", $attrset))
+ return array_reduce($attrs, function($carry, $attr) use ($prefix, $templates) {
+ $testcase = [$prefix . '/' . $attr => [
+ sprintf($templates[0], $attr),
+ sprintf($templates[1], $attr)
]];
return empty(array_values($carry)[0]) ? $testcase : $carry + $testcase;
}, [[]]);
