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Fix ModifyLimitQueryTest #295

merged 2 commits into from Apr 1, 2013


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4 participants

deeky666 commented Mar 30, 2013

The functional ModifyLimitQueryTest makes false expectations about the query results. LIMIT queries without ORDER BY clause return non-deterministic results, therefore the test cannot make any expectations about which values are returned and in which order. You can only expect a certain number of results.
The test might still work on platforms like mysql when you assume results to be in an ascending order, because the database might put the results of a non-deterministic query in an ascending order by default. Still this is not reliable and not all vendors do that.
This PR changes the tests to have an ordered, deterministic results by default to have more reliable expectations. Also one test about a non-deterministic query was added, which just asserts the number of results returned.


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@stof stof and 1 other commented on an outdated diff Mar 30, 2013

@@ -109,6 +110,14 @@ public function assertLimitResult($expectedResults, $sql, $limit, $offset)
$row = array_change_key_case($row, CASE_LOWER);
$data[] = $row['test_int'];
- $this->assertEquals($expectedResults, $data);
+ /**
+ * Do not assert the order of results when results are non-deterministic
+ */
+ if ($deterministic) {
+ $this->assertEquals($expectedResults, $data);
+ } else {
+ $this->assertEquals(count($expectedResults), count($data));

stof Mar 30, 2013


This should use assertCount IMO


deeky666 Mar 30, 2013


Ah you're right!

beberlei added a commit that referenced this pull request Apr 1, 2013

@beberlei beberlei merged commit ecdb069 into doctrine:master Apr 1, 2013

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