Created
August 7, 2016 16:54
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Behat Mink Selenium WebDriver spin() helper function implementation. Checks if XPath, CSS element exists on the page defined number of times/seconds.
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| /** | |
| * Wait for function return true, trying to execute it number of times | |
| * @param $lambda | |
| * @param int $tries | |
| * @return bool | |
| * @throws Exception | |
| */ | |
| public function spin($lambda, $tries = 60) | |
| { | |
| for ($i = 0; $i < $tries; $i++) { | |
| try { | |
| $lambda(); | |
| sleep(1); | |
| return; | |
| } catch (Exception $e) { | |
| sleep(1); | |
| } | |
| sleep(1); | |
| } | |
| $backtrace = debug_backtrace(); | |
| throw new Exception( | |
| "Timeout thrown by " . $backtrace[1]['class'] . "::" . $backtrace[1]['function'] . "()\n" . | |
| $backtrace[1]['file'] . ", line " . $backtrace[1]['line'] | |
| ); | |
| } | |
| // Usage | |
| /** | |
| * @When I click :key element | |
| * @param string $key | |
| */ | |
| public function iClickElement($key) | |
| { | |
| // Take XPath, CSS value by key from you key-value store | |
| $this->spin(function () { | |
| $this->getSession()->getPage()->find($this->locatorType, $this->locatorValue); | |
| // or $this->assertSession()->elementExists($this->locatorType, $this->locatorValue); | |
| }); | |
| $this->element = $this->getSession()->getPage()->find($this->locatorType, $this->locatorValue); | |
| $this->element->click(); | |
| } |
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