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64 lines
1.8 KiB
Markdown
64 lines
1.8 KiB
Markdown
---
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title: How to write a FunctionalTest
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summary: Expand your testing capabilities with integrations tests
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---
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# How to Write a FunctionalTest
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[FunctionalTest](api:SilverStripe\Dev\FunctionalTest) test your applications `Controller` instances and anything else which requires a web request. The
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core of these tests are the same as `SapphireTest` unit tests but add several methods for creating [HTTPRequest](api:SilverStripe\Control\HTTPRequest)
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and receiving [HTTPResponse](api:SilverStripe\Control\HTTPResponse) objects. In this How To, we'll see how to write a test to query a page, check the
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response and modify the session within a test.
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**app/tests/HomePageTest.php**
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```php
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use SilverStripe\Security\Member;
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class HomePageTest extends FunctionalTest
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{
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/**
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* Test generation of the view
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*/
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public function testViewHomePage()
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{
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$page = $this->get('home/');
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// Home page should load..
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$this->assertEquals(200, $page->getStatusCode());
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// We should see a login form
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$login = $this->submitForm("LoginFormID", null, [
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'Email' => 'test@example.com',
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'Password' => 'wrongpassword'
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]);
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// wrong details, should now see an error message
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$this->assertExactHTMLMatchBySelector("#LoginForm p.error", [
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"That email address is invalid."
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]);
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// If we login as a user we should see a welcome message
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$me = Member::get()->first();
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$this->logInAs($me);
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$page = $this->get('home/');
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$this->assertExactHTMLMatchBySelector("#Welcome", [
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'Welcome Back'
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]);
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}
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}
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```
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## Related Documentation
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* [Functional Testing](../functional_testing)
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* [Unit Testing](../unit_testing)
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## API Documentation
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* [FunctionalTest](api:SilverStripe\Dev\FunctionalTest)
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