Development

Test Wrangling

Evan — November 19th ’13

I was recently responsible for building a suite of Behat-based tests for an existing site using the excellent Behat Drupal Extension. After initially wrapping my head around Behat with some simple tests, I moved on to some more complex tests for the site's business logic, involving the creation of nodes and the voting API. Happy with my test feature, I ran it a couple of times only to get a different result every time; sometimes it would pass, sometimes it would fail early and sometimes it would fail on the penultimate step. What was going on?

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Debug the "Warning: Invalid argument supplied for foreach() in element_children() (line 6xxx of .../includes/common.inc)." error in Drupal quickly with this little snippet!
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