Public bug reported:
It might help our regression testing if we could add screenshot steps in
tests, so that a tester could run the test suite and afterwards check a
folder of screenshots to make sure that the pages look like they are
supposed to.
We can add a step to call the Mink saveScreenshot() function. This
works:
/**
* Save a screenshot for regression testing purposes
*
* @Then I take a screenshot as :filename
*/
public function take_screenshot($filename) {
if (!$this->running_javascript()) {
return false;
}
$path = get_config('dataroot') . 'behat';
$this->saveScreenshot($filename, $path);
}
A limitation of the above is that only the part of the page that is visible is
captured. In Chrome dev-tools there is the following option:
https://www.howtogeek.com/423558/how-to-take-full-page-screenshots-in-google-chrome-without-using-an-extension/
So now I wonder whether we could write a step to utilise that functionality
rather than calling saveScreenshot as above.
Things to consider:
Will these steps be slow?
Do we need to tag tests that use them in a different way, and only run when
regression testing is required? Or some other idea?
** Affects: mahara
Importance: Undecided
Status: New
** Tags: behat-dev
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https://bugs.launchpad.net/bugs/1892820
Title:
Behat: Add "take a screenshot" step
Status in Mahara:
New
Bug description:
It might help our regression testing if we could add screenshot steps
in tests, so that a tester could run the test suite and afterwards
check a folder of screenshots to make sure that the pages look like
they are supposed to.
We can add a step to call the Mink saveScreenshot() function. This
works:
/**
* Save a screenshot for regression testing purposes
*
* @Then I take a screenshot as :filename
*/
public function take_screenshot($filename) {
if (!$this->running_javascript()) {
return false;
}
$path = get_config('dataroot') . 'behat';
$this->saveScreenshot($filename, $path);
}
A limitation of the above is that only the part of the page that is visible
is captured. In Chrome dev-tools there is the following option:
https://www.howtogeek.com/423558/how-to-take-full-page-screenshots-in-google-chrome-without-using-an-extension/
So now I wonder whether we could write a step to utilise that functionality
rather than calling saveScreenshot as above.
Things to consider:
Will these steps be slow?
Do we need to tag tests that use them in a different way, and only run when
regression testing is required? Or some other idea?
To manage notifications about this bug go to:
https://bugs.launchpad.net/mahara/+bug/1892820/+subscriptions
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