649 lines
20 KiB
PHP
649 lines
20 KiB
PHP
<?php
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namespace Facebook\WebDriver\Remote;
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use Facebook\WebDriver\Exception\ElementNotInteractableException;
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use Facebook\WebDriver\Exception\UnsupportedOperationException;
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use Facebook\WebDriver\Exception\WebDriverException;
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use Facebook\WebDriver\Interactions\Internal\WebDriverCoordinates;
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use Facebook\WebDriver\Internal\WebDriverLocatable;
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use Facebook\WebDriver\Support\ScreenshotHelper;
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use Facebook\WebDriver\WebDriverBy;
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use Facebook\WebDriver\WebDriverDimension;
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use Facebook\WebDriver\WebDriverElement;
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use Facebook\WebDriver\WebDriverKeys;
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use Facebook\WebDriver\WebDriverPoint;
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use ZipArchive;
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/**
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* Represents an HTML element.
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*/
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class RemoteWebElement implements WebDriverElement, WebDriverLocatable
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{
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/**
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* @var RemoteExecuteMethod
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*/
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protected $executor;
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/**
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* @var string
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*/
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protected $id;
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/**
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* @var FileDetector
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*/
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protected $fileDetector;
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/**
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* @var bool
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*/
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protected $isW3cCompliant;
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/**
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* @param RemoteExecuteMethod $executor
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* @param string $id
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* @param bool $isW3cCompliant
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*/
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public function __construct(RemoteExecuteMethod $executor, $id, $isW3cCompliant = false)
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{
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$this->executor = $executor;
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$this->id = $id;
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$this->fileDetector = new UselessFileDetector();
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$this->isW3cCompliant = $isW3cCompliant;
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}
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/**
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* Clear content editable or resettable element
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*
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* @return RemoteWebElement The current instance.
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*/
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public function clear()
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{
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$this->executor->execute(
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DriverCommand::CLEAR_ELEMENT,
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[':id' => $this->id]
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);
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return $this;
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}
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/**
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* Click this element.
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*
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* @return RemoteWebElement The current instance.
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*/
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public function click()
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{
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try {
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$this->executor->execute(
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DriverCommand::CLICK_ELEMENT,
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[':id' => $this->id]
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);
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} catch (ElementNotInteractableException $e) {
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// An issue with geckodriver (https://github.com/mozilla/geckodriver/issues/653) prevents clicking on a link
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// if the first child is a block-level element.
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// The workaround in this case is to click on a child element.
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$this->clickChildElement($e);
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}
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return $this;
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}
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/**
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* Find the first WebDriverElement within this element using the given mechanism.
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*
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* When using xpath be aware that webdriver follows standard conventions: a search prefixed with "//" will
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* search the entire document from the root, not just the children (relative context) of this current node.
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* Use ".//" to limit your search to the children of this element.
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*
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* @param WebDriverBy $by
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* @return RemoteWebElement NoSuchElementException is thrown in HttpCommandExecutor if no element is found.
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* @see WebDriverBy
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*/
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public function findElement(WebDriverBy $by)
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{
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$params = JsonWireCompat::getUsing($by, $this->isW3cCompliant);
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$params[':id'] = $this->id;
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$raw_element = $this->executor->execute(
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DriverCommand::FIND_CHILD_ELEMENT,
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$params
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);
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return $this->newElement(JsonWireCompat::getElement($raw_element));
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}
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/**
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* Find all WebDriverElements within this element using the given mechanism.
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*
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* When using xpath be aware that webdriver follows standard conventions: a search prefixed with "//" will
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* search the entire document from the root, not just the children (relative context) of this current node.
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* Use ".//" to limit your search to the children of this element.
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*
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* @param WebDriverBy $by
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* @return RemoteWebElement[] A list of all WebDriverElements, or an empty
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* array if nothing matches
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* @see WebDriverBy
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*/
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public function findElements(WebDriverBy $by)
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{
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$params = JsonWireCompat::getUsing($by, $this->isW3cCompliant);
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$params[':id'] = $this->id;
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$raw_elements = $this->executor->execute(
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DriverCommand::FIND_CHILD_ELEMENTS,
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$params
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);
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$elements = [];
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foreach ($raw_elements as $raw_element) {
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$elements[] = $this->newElement(JsonWireCompat::getElement($raw_element));
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}
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return $elements;
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}
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/**
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* Get the value of the given attribute of the element.
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* Attribute is meant what is declared in the HTML markup of the element.
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* To read a value of a IDL "JavaScript" property (like `innerHTML`), use `getDomProperty()` method.
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*
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* @param string $attribute_name The name of the attribute.
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* @return string|true|null The value of the attribute. If this is boolean attribute, return true if the element
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* has it, otherwise return null.
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*/
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public function getAttribute($attribute_name)
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{
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$params = [
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':name' => $attribute_name,
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':id' => $this->id,
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];
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if ($this->isW3cCompliant && ($attribute_name === 'value' || $attribute_name === 'index')) {
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$value = $this->executor->execute(DriverCommand::GET_ELEMENT_PROPERTY, $params);
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if ($value === true) {
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return 'true';
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}
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if ($value === false) {
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return 'false';
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}
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if ($value !== null) {
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return (string) $value;
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}
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}
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return $this->executor->execute(DriverCommand::GET_ELEMENT_ATTRIBUTE, $params);
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}
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/**
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* Gets the value of a IDL JavaScript property of this element (for example `innerHTML`, `tagName` etc.).
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*
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* @see https://developer.mozilla.org/en-US/docs/Glossary/IDL
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* @see https://developer.mozilla.org/en-US/docs/Web/API/Element#properties
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* @param string $propertyName
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* @return mixed|null The property's current value or null if the value is not set or the property does not exist.
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*/
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public function getDomProperty($propertyName)
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{
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if (!$this->isW3cCompliant) {
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throw new UnsupportedOperationException('This method is only supported in W3C mode');
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}
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$params = [
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':name' => $propertyName,
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':id' => $this->id,
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];
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return $this->executor->execute(DriverCommand::GET_ELEMENT_PROPERTY, $params);
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}
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/**
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* Get the value of a given CSS property.
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*
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* @param string $css_property_name The name of the CSS property.
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* @return string The value of the CSS property.
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*/
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public function getCSSValue($css_property_name)
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{
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$params = [
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':propertyName' => $css_property_name,
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':id' => $this->id,
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];
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return $this->executor->execute(
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DriverCommand::GET_ELEMENT_VALUE_OF_CSS_PROPERTY,
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$params
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);
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}
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/**
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* Get the location of element relative to the top-left corner of the page.
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*
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* @return WebDriverPoint The location of the element.
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*/
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public function getLocation()
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{
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$location = $this->executor->execute(
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DriverCommand::GET_ELEMENT_LOCATION,
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[':id' => $this->id]
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);
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return new WebDriverPoint($location['x'], $location['y']);
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}
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/**
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* Try scrolling the element into the view port and return the location of
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* element relative to the top-left corner of the page afterwards.
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*
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* @return WebDriverPoint The location of the element.
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*/
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public function getLocationOnScreenOnceScrolledIntoView()
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{
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if ($this->isW3cCompliant) {
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$script = <<<JS
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var e = arguments[0];
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e.scrollIntoView({ behavior: 'instant', block: 'end', inline: 'nearest' });
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var rect = e.getBoundingClientRect();
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return {'x': rect.left, 'y': rect.top};
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JS;
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$result = $this->executor->execute(DriverCommand::EXECUTE_SCRIPT, [
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'script' => $script,
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'args' => [[JsonWireCompat::WEB_DRIVER_ELEMENT_IDENTIFIER => $this->id]],
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]);
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$location = ['x' => $result['x'], 'y' => $result['y']];
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} else {
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$location = $this->executor->execute(
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DriverCommand::GET_ELEMENT_LOCATION_ONCE_SCROLLED_INTO_VIEW,
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[':id' => $this->id]
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);
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}
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return new WebDriverPoint($location['x'], $location['y']);
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}
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/**
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* @return WebDriverCoordinates
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*/
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public function getCoordinates()
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{
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$element = $this;
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$on_screen = null; // planned but not yet implemented
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$in_view_port = static function () use ($element) {
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return $element->getLocationOnScreenOnceScrolledIntoView();
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};
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$on_page = static function () use ($element) {
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return $element->getLocation();
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};
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$auxiliary = $this->getID();
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return new WebDriverCoordinates(
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$on_screen,
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$in_view_port,
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$on_page,
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$auxiliary
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);
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}
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/**
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* Get the size of element.
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*
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* @return WebDriverDimension The dimension of the element.
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*/
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public function getSize()
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{
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$size = $this->executor->execute(
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DriverCommand::GET_ELEMENT_SIZE,
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[':id' => $this->id]
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);
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return new WebDriverDimension($size['width'], $size['height']);
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}
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/**
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* Get the (lowercase) tag name of this element.
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*
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* @return string The tag name.
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*/
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public function getTagName()
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{
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// Force tag name to be lowercase as expected by JsonWire protocol for Opera driver
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// until this issue is not resolved :
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// https://github.com/operasoftware/operadriver/issues/102
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// Remove it when fixed to be consistent with the protocol.
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return mb_strtolower($this->executor->execute(
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DriverCommand::GET_ELEMENT_TAG_NAME,
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[':id' => $this->id]
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));
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}
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/**
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* Get the visible (i.e. not hidden by CSS) innerText of this element,
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* including sub-elements, without any leading or trailing whitespace.
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*
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* @return string The visible innerText of this element.
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*/
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public function getText()
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{
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return $this->executor->execute(
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DriverCommand::GET_ELEMENT_TEXT,
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[':id' => $this->id]
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);
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}
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/**
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* Is this element displayed or not? This method avoids the problem of having
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* to parse an element's "style" attribute.
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*
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* @return bool
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*/
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public function isDisplayed()
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{
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return $this->executor->execute(
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DriverCommand::IS_ELEMENT_DISPLAYED,
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[':id' => $this->id]
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);
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}
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/**
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* Is the element currently enabled or not? This will generally return true
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* for everything but disabled input elements.
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*
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* @return bool
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*/
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public function isEnabled()
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{
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return $this->executor->execute(
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DriverCommand::IS_ELEMENT_ENABLED,
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[':id' => $this->id]
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);
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}
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/**
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* Determine whether this element is selected or not.
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*
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* @return bool
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*/
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public function isSelected()
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{
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return $this->executor->execute(
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DriverCommand::IS_ELEMENT_SELECTED,
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[':id' => $this->id]
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);
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}
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/**
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* Simulate typing into an element, which may set its value.
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*
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* @param mixed $value The data to be typed.
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* @return RemoteWebElement The current instance.
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*/
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public function sendKeys($value)
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{
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$local_file = $this->fileDetector->getLocalFile($value);
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$params = [];
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if ($local_file === null) {
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if ($this->isW3cCompliant) {
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// Work around the Geckodriver NULL issue by splitting on NULL and calling sendKeys multiple times.
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=1494661.
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$encodedValues = explode(WebDriverKeys::NULL, WebDriverKeys::encode($value, true));
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foreach ($encodedValues as $encodedValue) {
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$params[] = [
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'text' => $encodedValue,
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':id' => $this->id,
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];
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}
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} else {
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$params[] = [
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'value' => WebDriverKeys::encode($value),
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':id' => $this->id,
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];
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}
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} else {
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if ($this->isW3cCompliant) {
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try {
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// Attempt to upload the file to the remote browser.
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// This is so far non-W3C compliant method, so it may fail - if so, we just ignore the exception.
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// @see https://github.com/w3c/webdriver/issues/1355
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$fileName = $this->upload($local_file);
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} catch (WebDriverException $e) {
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$fileName = $local_file;
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}
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$params[] = [
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'text' => $fileName,
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':id' => $this->id,
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];
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} else {
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$params[] = [
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'value' => WebDriverKeys::encode($this->upload($local_file)),
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':id' => $this->id,
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];
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}
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}
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foreach ($params as $param) {
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$this->executor->execute(DriverCommand::SEND_KEYS_TO_ELEMENT, $param);
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}
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return $this;
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}
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/**
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* Set the fileDetector in order to let the RemoteWebElement to know that you are going to upload a file.
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*
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* Basically, if you want WebDriver trying to send a file, set the fileDetector
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* to be LocalFileDetector. Otherwise, keep it UselessFileDetector.
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*
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* eg. `$element->setFileDetector(new LocalFileDetector);`
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*
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* @param FileDetector $detector
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* @return RemoteWebElement
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* @see FileDetector
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* @see LocalFileDetector
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* @see UselessFileDetector
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*/
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public function setFileDetector(FileDetector $detector)
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{
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$this->fileDetector = $detector;
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return $this;
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}
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/**
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* If this current element is a form, or an element within a form, then this will be submitted to the remote server.
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*
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* @return RemoteWebElement The current instance.
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*/
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public function submit()
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{
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if ($this->isW3cCompliant) {
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// Submit method cannot be called directly in case an input of this form is named "submit".
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// We use this polyfill to trigger 'submit' event using form.dispatchEvent().
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$submitPolyfill = $script = <<<HTXT
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var form = arguments[0];
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while (form.nodeName !== "FORM" && form.parentNode) { // find the parent form of this element
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form = form.parentNode;
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}
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if (!form) {
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throw Error('Unable to find containing form element');
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}
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var event = new Event('submit', {bubbles: true, cancelable: true});
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if (form.dispatchEvent(event)) {
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HTMLFormElement.prototype.submit.call(form);
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}
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HTXT;
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$this->executor->execute(DriverCommand::EXECUTE_SCRIPT, [
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'script' => $submitPolyfill,
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'args' => [[JsonWireCompat::WEB_DRIVER_ELEMENT_IDENTIFIER => $this->id]],
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]);
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return $this;
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}
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$this->executor->execute(
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DriverCommand::SUBMIT_ELEMENT,
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[':id' => $this->id]
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);
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return $this;
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}
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/**
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* Get the opaque ID of the element.
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*
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* @return string The opaque ID.
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*/
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public function getID()
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{
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return $this->id;
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}
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/**
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* Take a screenshot of a specific element.
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*
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* @param string $save_as The path of the screenshot to be saved.
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* @return string The screenshot in PNG format.
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*/
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public function takeElementScreenshot($save_as = null)
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{
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return (new ScreenshotHelper($this->executor))->takeElementScreenshot($this->id, $save_as);
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}
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/**
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* Test if two elements IDs refer to the same DOM element.
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*
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* @param WebDriverElement $other
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* @return bool
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*/
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public function equals(WebDriverElement $other)
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{
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if ($this->isW3cCompliant) {
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return $this->getID() === $other->getID();
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}
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return $this->executor->execute(DriverCommand::ELEMENT_EQUALS, [
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':id' => $this->id,
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':other' => $other->getID(),
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]);
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}
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/**
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* Get representation of an element's shadow root for accessing the shadow DOM of a web component.
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*
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* @return ShadowRoot
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*/
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public function getShadowRoot()
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{
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if (!$this->isW3cCompliant) {
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throw new UnsupportedOperationException('This method is only supported in W3C mode');
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}
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$response = $this->executor->execute(
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DriverCommand::GET_ELEMENT_SHADOW_ROOT,
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[
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':id' => $this->id,
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]
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);
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return ShadowRoot::createFromResponse($this->executor, $response);
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}
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|
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/**
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* Attempt to click on a child level element.
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*
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* This provides a workaround for geckodriver bug 653 whereby a link whose first element is a block-level element
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* throws an ElementNotInteractableException could not scroll into view exception.
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*
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* The workaround provided here attempts to click on a child node of the element.
|
|
* In case the first child is hidden, other elements are processed until we run out of elements.
|
|
*
|
|
* @param ElementNotInteractableException $originalException The exception to throw if unable to click on any child
|
|
* @see https://github.com/mozilla/geckodriver/issues/653
|
|
* @see https://bugzilla.mozilla.org/show_bug.cgi?id=1374283
|
|
*/
|
|
protected function clickChildElement(ElementNotInteractableException $originalException)
|
|
{
|
|
$children = $this->findElements(WebDriverBy::xpath('./*'));
|
|
foreach ($children as $child) {
|
|
try {
|
|
// Note: This does not use $child->click() as this would cause recursion into all children.
|
|
// Where the element is hidden, all children will also be hidden.
|
|
$this->executor->execute(
|
|
DriverCommand::CLICK_ELEMENT,
|
|
[':id' => $child->id]
|
|
);
|
|
|
|
return;
|
|
} catch (ElementNotInteractableException $e) {
|
|
// Ignore the ElementNotInteractableException exception on this node. Try the next child instead.
|
|
}
|
|
}
|
|
|
|
throw $originalException;
|
|
}
|
|
|
|
/**
|
|
* Return the WebDriverElement with $id
|
|
*
|
|
* @param string $id
|
|
*
|
|
* @return static
|
|
*/
|
|
protected function newElement($id)
|
|
{
|
|
return new static($this->executor, $id, $this->isW3cCompliant);
|
|
}
|
|
|
|
/**
|
|
* Upload a local file to the server
|
|
*
|
|
* @param string $local_file
|
|
*
|
|
* @throws WebDriverException
|
|
* @return string The remote path of the file.
|
|
*/
|
|
protected function upload($local_file)
|
|
{
|
|
if (!is_file($local_file)) {
|
|
throw new WebDriverException('You may only upload files: ' . $local_file);
|
|
}
|
|
|
|
$temp_zip_path = $this->createTemporaryZipArchive($local_file);
|
|
|
|
$remote_path = $this->executor->execute(
|
|
DriverCommand::UPLOAD_FILE,
|
|
['file' => base64_encode(file_get_contents($temp_zip_path))]
|
|
);
|
|
|
|
unlink($temp_zip_path);
|
|
|
|
return $remote_path;
|
|
}
|
|
|
|
/**
|
|
* @param string $fileToZip
|
|
* @return string
|
|
*/
|
|
protected function createTemporaryZipArchive($fileToZip)
|
|
{
|
|
// Create a temporary file in the system temp directory.
|
|
// Intentionally do not use `tempnam()`, as it creates empty file which zip extension may not handle.
|
|
$tempZipPath = sys_get_temp_dir() . '/' . uniqid('WebDriverZip', false);
|
|
|
|
$zip = new ZipArchive();
|
|
if (($errorCode = $zip->open($tempZipPath, ZipArchive::CREATE)) !== true) {
|
|
throw new WebDriverException(sprintf('Error creating zip archive: %s', $errorCode));
|
|
}
|
|
|
|
$info = pathinfo($fileToZip);
|
|
$file_name = $info['basename'];
|
|
$zip->addFile($fileToZip, $file_name);
|
|
$zip->close();
|
|
|
|
return $tempZipPath;
|
|
}
|
|
}
|