README

PHPUnit Extended

This package is a small extension to PHPUnit that extends its assertions. The library provides assertions for PSR-7 HTTP responses, XML/HTML documents and JSON structures. The extension uses the following libraries to make it work:

DOM: the new native PHP 8.4 DOM library to make assertions against XML/HTML DOM structures
PSR-7: HTTP message interfaces to make assertions against HTTP server response objects
JSONPath: JSONPath library to make assertions against JSON structures

Installation

$ composer require --dev stein197/phpunit-extended

Usage

Let's say you test a an HTTP response:

namespace Test;

use PHPUnit\Framework\Attributes\Test;
use PHPUnit\Framework\TestCase;
use Stein197\PHPUnit\ExtendedTextCase; // Trait that extends the basic PHPUnit assertion functionality and implements the ExtendedTestCaseInterface interface
use Stein197\PHPUnit\ExtendedTestCaseInterface;

// Your test class
final class ResponseTest extends TestCase implements ExtendedTestCaseInterface {

	use ExtendedTextCase; // Include the extended assertions

	#[Test]
	public function testResponse(): void {
		// HTTP response assertions
		$response = $this->request('/home'); // Anything that returns a PSR-7 response object
		$response = $this->createResponseAssertion($response); // Wrap the PSR-7 response in an assertion object
		$response->assertOk(); // Assert the status code is 200
		$response->assertHeaderEquals('Content-Type', 'text/html'); // Assert that there is a header 'Content-Type' with the value 'text/html'
		// ...

		// XML/HTML DOM assertions
		$document = $response->document(); // Return a DocumentAssert assertion object containing the response body
		$document->query('#main h1')->assertTextEquals('Hello, World!'); // Query elements by query selector an assert
		$document->xpath('//*[@id = "main"]//h1')->assertTextEquals('Hello, World!'); // The the same but using XPath
		// ...

		// JSON assertions
		$json = $response->createJsonAssertion(); // Return a JsonAssert containing the response body
		$json->assertExists('$.user'); // Assert that there is a given JSONPath
		// ...

		$this->createJsonAssertion('{...}'); // Wrap a JSON string
		$this->createHtmlAssertion(('<!DOCTYPE html>...'); // Wrap an HTML string
		$this->createXmlAssertion(('<?xml version="1.0" ?>...'); // Wrap an XML string
	}
}

IMPORTANT!

The extension uses instances of the PHPUnit\Framework\TestCase class. The methods cannot be called statically like the native PHPUnit's methods:
self::assertOk(); // Won't work

Testing

Run make test.

Documentation

The main methods of the trait are:

createResponseAssertion(ResponseInterface $response): ResponseAssert: Wraps an HTTP response object in an assertion one
createJsonAssertion(string $json): JsonAssert: Wraps a JSON string in an assertion object
createHtmlAssertion(string $html): DocumentAssert: Wraps an HTML string in an assertion object
createXmlAssertion(string $xml): DocumentAssert: Wraps an XML string in an assertion object
pass(): void: Marks test as passed

The whole documentation to every assertion method can be found in the phpdoc comments in the source code.

stein197/phpunit-extended

包简介

README 文档

README

PHPUnit Extended

Installation

Usage

Testing

Documentation

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