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[REST] seeResponseJsonMatchesXpath unexpectedly fails when response contains a single element #3827

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Naktibalda opened this issue Dec 9, 2016 · 0 comments

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@Naktibalda
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@Naktibalda Naktibalda commented Dec 9, 2016

Test code:

$I->sendPOST('/api', []);
$I->seeResponseJsonMatchesXpath('//success');

Response:

 {"success":0}

Expected Result:
PASSED

Actual Result:

  [PHPUnit_Framework_Exception] Invalid argument supplied for foreach()

/.../vendor/codeception/codeception/src/Codeception/Util/JsonArray.php:96
/.../vendor/codeception/codeception/src/Codeception/Util/JsonArray.php:57
/.../vendor/codeception/codeception/src/Codeception/Util/JsonArray.php:72
/.../vendor/codeception/codeception/src/Codeception/Module/REST.php:773

Lines 94-96:

private function arrayToXml(\DOMDocument $doc, \DOMNode $node, $array)
{
    foreach ($array as $key => $value) {

The culprit is this code:

if (count($jsonArray) == 1) {
    $root = key($jsonArray);
    $jsonArray = reset($jsonArray);
}
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