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496
system/Test/TestResponse.php
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496
system/Test/TestResponse.php
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<?php
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <admin@codeigniter.com>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\Test;
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use CodeIgniter\HTTP\RedirectResponse;
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use CodeIgniter\HTTP\RequestInterface;
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use CodeIgniter\HTTP\ResponseInterface;
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use Config\Services;
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use Exception;
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use PHPUnit\Framework\Constraint\IsEqual;
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use PHPUnit\Framework\TestCase;
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/**
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* Test Response Class
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*
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* Consolidated response processing
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* for test results.
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*
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* @no-final
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*
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* @internal
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*/
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class TestResponse extends TestCase
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{
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/**
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* The request.
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*
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* @var RequestInterface|null
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*/
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protected $request;
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/**
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* The response.
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*
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* @var ResponseInterface
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*/
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protected $response;
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/**
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* DOM for the body.
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*
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* @var DOMParser
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*/
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protected $domParser;
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/**
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* Stores or the Response and parses the body in the DOM.
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*/
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public function __construct(ResponseInterface $response)
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{
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$this->setResponse($response);
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}
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//--------------------------------------------------------------------
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// Getters / Setters
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//--------------------------------------------------------------------
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/**
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* Sets the request.
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*
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* @return $this
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*/
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public function setRequest(RequestInterface $request)
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{
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$this->request = $request;
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return $this;
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}
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/**
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* Sets the Response and updates the DOM.
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*
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* @return $this
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*/
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public function setResponse(ResponseInterface $response)
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{
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$this->response = $response;
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$this->domParser = new DOMParser();
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$body = $response->getBody();
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if (is_string($body) && $body !== '') {
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$this->domParser->withString($body);
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}
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return $this;
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}
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/**
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* Request accessor.
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*
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* @return RequestInterface|null
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*/
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public function request()
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{
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return $this->request;
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}
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/**
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* Response accessor.
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*
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* @return ResponseInterface
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*/
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public function response()
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{
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return $this->response;
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}
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//--------------------------------------------------------------------
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// Status Checks
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//--------------------------------------------------------------------
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/**
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* Boils down the possible responses into a boolean valid/not-valid
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* response type.
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*/
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public function isOK(): bool
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{
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$status = $this->response->getStatusCode();
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// Only 200 and 300 range status codes
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// are considered valid.
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if ($status >= 400 || $status < 200) {
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return false;
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}
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// Empty bodies are not considered valid, unless in redirects
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return ! ($status < 300 && empty($this->response->getBody()));
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}
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/**
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* Asserts that the status is a specific value.
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*
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* @throws Exception
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*/
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public function assertStatus(int $code)
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{
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$this->assertSame($code, $this->response->getStatusCode());
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}
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/**
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* Asserts that the Response is considered OK.
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*
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* @throws Exception
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*/
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public function assertOK()
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{
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$this->assertTrue($this->isOK(), "{$this->response->getStatusCode()} is not a successful status code, or the Response has an empty body.");
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}
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/**
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* Asserts that the Response is considered OK.
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*
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* @throws Exception
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*/
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public function assertNotOK()
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{
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$this->assertFalse($this->isOK(), "{$this->response->getStatusCode()} is an unexpected successful status code, or the Response has body content.");
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}
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//--------------------------------------------------------------------
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// Redirection
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//--------------------------------------------------------------------
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/**
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* Returns whether or not the Response was a redirect or RedirectResponse
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*/
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public function isRedirect(): bool
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{
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return $this->response instanceof RedirectResponse
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|| $this->response->hasHeader('Location')
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|| $this->response->hasHeader('Refresh');
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}
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/**
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* Assert that the given response was a redirect.
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*
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* @throws Exception
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*/
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public function assertRedirect()
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{
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$this->assertTrue($this->isRedirect(), 'Response is not a redirect or RedirectResponse.');
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}
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/**
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* Assert that a given response was a redirect
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* and it was redirect to a specific URI.
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*
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* @throws Exception
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*/
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public function assertRedirectTo(string $uri)
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{
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$this->assertRedirect();
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$uri = trim(strtolower($uri));
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$redirectUri = strtolower($this->getRedirectUrl());
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$matches = $uri === $redirectUri
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|| strtolower(site_url($uri)) === $redirectUri
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|| $uri === site_url($redirectUri);
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$this->assertTrue($matches, "Redirect URL `{$uri}` does not match `{$redirectUri}`");
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}
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/**
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* Assert that the given response was not a redirect.
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*
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* @throws Exception
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*/
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public function assertNotRedirect()
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{
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$this->assertFalse($this->isRedirect(), 'Response is an unexpected redirect or RedirectResponse.');
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}
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/**
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* Returns the URL set for redirection.
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*/
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public function getRedirectUrl(): ?string
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{
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if (! $this->isRedirect()) {
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return null;
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}
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if ($this->response->hasHeader('Location')) {
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return $this->response->getHeaderLine('Location');
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}
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if ($this->response->hasHeader('Refresh')) {
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return str_replace('0;url=', '', $this->response->getHeaderLine('Refresh'));
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}
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return null;
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}
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//--------------------------------------------------------------------
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// Session
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//--------------------------------------------------------------------
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/**
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* Asserts that an SESSION key has been set and, optionally, test it's value.
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*
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* @param mixed $value
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*
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* @throws Exception
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*/
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public function assertSessionHas(string $key, $value = null)
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{
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$this->assertArrayHasKey($key, $_SESSION, "'{$key}' is not in the current \$_SESSION");
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if ($value === null) {
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return;
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}
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if (is_scalar($value)) {
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$this->assertSame($value, $_SESSION[$key], "The value of '{$key}' ({$value}) does not match expected value.");
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} else {
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$this->assertSame($value, $_SESSION[$key], "The value of '{$key}' does not match expected value.");
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}
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}
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/**
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* Asserts the session is missing $key.
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*
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* @throws Exception
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*/
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public function assertSessionMissing(string $key)
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{
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$this->assertArrayNotHasKey($key, $_SESSION, "'{$key}' should not be present in \$_SESSION.");
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}
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//--------------------------------------------------------------------
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// Headers
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//--------------------------------------------------------------------
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/**
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* Asserts that the Response contains a specific header.
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*
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* @param string|null $value
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*
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* @throws Exception
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*/
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public function assertHeader(string $key, $value = null)
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{
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$this->assertTrue($this->response->hasHeader($key), "'{$key}' is not a valid Response header.");
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if ($value !== null) {
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$this->assertSame($value, $this->response->getHeaderLine($key), "The value of '{$key}' header ({$this->response->getHeaderLine($key)}) does not match expected value.");
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}
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}
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/**
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* Asserts the Response headers does not contain the specified header.
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*
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* @throws Exception
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*/
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public function assertHeaderMissing(string $key)
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{
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$this->assertFalse($this->response->hasHeader($key), "'{$key}' should not be in the Response headers.");
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}
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//--------------------------------------------------------------------
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// Cookies
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//--------------------------------------------------------------------
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/**
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* Asserts that the response has the specified cookie.
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*
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* @param string|null $value
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*
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* @throws Exception
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*/
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public function assertCookie(string $key, $value = null, string $prefix = '')
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{
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$this->assertTrue($this->response->hasCookie($key, $value, $prefix), "No cookie found named '{$key}'.");
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}
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/**
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* Assert the Response does not have the specified cookie set.
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*/
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public function assertCookieMissing(string $key)
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{
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$this->assertFalse($this->response->hasCookie($key), "Cookie named '{$key}' should not be set.");
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}
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/**
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* Asserts that a cookie exists and has an expired time.
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*
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* @throws Exception
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*/
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public function assertCookieExpired(string $key, string $prefix = '')
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{
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$this->assertTrue($this->response->hasCookie($key, null, $prefix));
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$this->assertGreaterThan(time(), $this->response->getCookie($key, $prefix)->getExpiresTimestamp());
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}
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//--------------------------------------------------------------------
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// JSON
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//--------------------------------------------------------------------
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/**
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* Returns the response's body as JSON
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*
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* @return false|mixed
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*/
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public function getJSON()
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{
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$response = $this->response->getJSON();
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if ($response === null) {
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return false;
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}
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return $response;
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}
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/**
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* Test that the response contains a matching JSON fragment.
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*
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* @throws Exception
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*/
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public function assertJSONFragment(array $fragment, bool $strict = false)
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{
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$json = json_decode($this->getJSON(), true);
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$this->assertIsArray($json, 'Response does not have valid json');
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$patched = array_replace_recursive($json, $fragment);
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if ($strict) {
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$this->assertSame($json, $patched, 'Response does not contain a matching JSON fragment.');
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} else {
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$this->assertThat($patched, new IsEqual($json), 'Response does not contain a matching JSON fragment.');
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}
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}
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/**
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* Asserts that the JSON exactly matches the passed in data.
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* If the value being passed in is a string, it must be a json_encoded string.
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*
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* @param array|string $test
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*
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* @throws Exception
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*/
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public function assertJSONExact($test)
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{
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$json = $this->getJSON();
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if (is_object($test)) {
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$test = method_exists($test, 'toArray') ? $test->toArray() : (array) $test;
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}
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if (is_array($test)) {
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$test = Services::format()->getFormatter('application/json')->format($test);
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}
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$this->assertJsonStringEqualsJsonString($test, $json, 'Response does not contain matching JSON.');
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}
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//--------------------------------------------------------------------
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// XML Methods
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//--------------------------------------------------------------------
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/**
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* Returns the response' body as XML
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*
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* @return mixed|string
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*/
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public function getXML()
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{
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return $this->response->getXML();
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}
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//--------------------------------------------------------------------
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// DomParser
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//--------------------------------------------------------------------
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/**
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* Assert that the desired text can be found in the result body.
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*
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* @throws Exception
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*/
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public function assertSee(?string $search = null, ?string $element = null)
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{
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$this->assertTrue($this->domParser->see($search, $element), "Do not see '{$search}' in response.");
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}
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/**
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* Asserts that we do not see the specified text.
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*
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* @throws Exception
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*/
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public function assertDontSee(?string $search = null, ?string $element = null)
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{
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$this->assertTrue($this->domParser->dontSee($search, $element), "I should not see '{$search}' in response.");
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}
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/**
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* Assert that we see an element selected via a CSS selector.
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*
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* @throws Exception
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*/
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public function assertSeeElement(string $search)
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{
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$this->assertTrue($this->domParser->seeElement($search), "Do not see element with selector '{$search} in response.'");
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}
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/**
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* Assert that we do not see an element selected via a CSS selector.
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*
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* @throws Exception
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*/
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public function assertDontSeeElement(string $search)
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{
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$this->assertTrue($this->domParser->dontSeeElement($search), "I should not see an element with selector '{$search}' in response.'");
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}
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/**
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* Assert that we see a link with the matching text and/or class.
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*
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* @throws Exception
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*/
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public function assertSeeLink(string $text, ?string $details = null)
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{
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$this->assertTrue($this->domParser->seeLink($text, $details), "Do no see anchor tag with the text {$text} in response.");
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}
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/**
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* Assert that we see an input with name/value.
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*
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* @throws Exception
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*/
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public function assertSeeInField(string $field, ?string $value = null)
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{
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$this->assertTrue($this->domParser->seeInField($field, $value), "Do no see input named {$field} with value {$value} in response.");
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}
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/**
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* Forward any unrecognized method calls to our DOMParser instance.
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*
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* @param string $function Method name
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* @param mixed $params Any method parameters
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*
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* @return mixed
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*/
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public function __call($function, $params)
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{
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if (method_exists($this->domParser, $function)) {
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return $this->domParser->{$function}(...$params);
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}
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}
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}
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