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exceptionToString example

        $constraint = new CrawlerSelectorTextContains('title', 'Foo');
        $this->assertTrue($constraint->evaluate(new Crawler('<html><head><title>Foobar'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head><title>Bar'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head></head><body>Bar'), '', true));

        try {
            $constraint->evaluate(new Crawler('<html><head><title>Bar'));

            $this->fail();
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the text \"Bar\" of the node matching selector \"title\" contains \"Foo\".\n", TestFailure::exceptionToString($e));
        }

        try {
            $constraint->evaluate(new Crawler('<html><head></head><body>Bar'));

            $this->fail();
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Crawler has a node matching selector \"title\".\n", TestFailure::exceptionToString($e));
        }
    }
}

self::assertTrue($constraint->evaluate(new Crawler('<ul><li>Foo</li>'), '', true));
        self::assertTrue($constraint->evaluate(new Crawler('<ul><li>Bar</li><li>Foo'), '', true));
        self::assertTrue($constraint->evaluate(new Crawler('<ul><li>Bar</li><li>Foo Bar Baz'), '', true));
        self::assertFalse($constraint->evaluate(new Crawler('<ul><li>Bar</li><li>Baz'), '', true));

        try {
            $constraint->evaluate(new Crawler('<ul><li>Bar</li><li>Baz'));

            self::fail();
        } catch (ExpectationFailedException $e) {
            self::assertEquals("Failed asserting that the text of any node matching selector \"ul li\" contains \"Foo\".\n", TestFailure::exceptionToString($e));
        }

        try {
            $constraint->evaluate(new Crawler('<html><head><title>Foobar'));

            self::fail();
        } catch (ExpectationFailedException $e) {
            self::assertEquals("Failed asserting that the Crawler has a node matching selector \"ul li\".\n", TestFailure::exceptionToString($e));

            return;
        }
    }

$browser = $this->getBrowser();
        $constraint = new BrowserCookieValueSame('foo', 'bar', false, '/path');
        $this->assertTrue($constraint->evaluate($browser, '', true));
        $constraint = new BrowserCookieValueSame('foo', 'bar', true, '/path');
        $this->assertTrue($constraint->evaluate($browser, '', true));
        $constraint = new BrowserCookieValueSame('foo', 'babar', false, '/path');
        $this->assertFalse($constraint->evaluate($browser, '', true));

        try {
            $constraint->evaluate($browser);
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Browser has cookie \"foo\" with path \"/path\" with value \"babar\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }

    private function getBrowser(): AbstractBrowser
    {
        $browser = $this->createMock(AbstractBrowser::class);
        $jar = new CookieJar();

        $constraint = new ResponseStatusCodeSame(200);
        $this->assertTrue($constraint->evaluate(new Response(), '', true));
        $this->assertFalse($constraint->evaluate(new Response('', 404), '', true));
        $constraint = new ResponseStatusCodeSame(404);
        $this->assertTrue($constraint->evaluate(new Response('', 404), '', true));

        $constraint = new ResponseStatusCodeSame(200);
        try {
            $constraint->evaluate(new Response('', 404));
        } catch (ExpectationFailedException $e) {
            $this->assertStringContainsString("Failed asserting that the Response status code is 200.\nHTTP/1.0 404 Not Found", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

$browser = $this->getBrowser();
        $constraint = new BrowserHasCookie('foo', '/path');
        $this->assertTrue($constraint->evaluate($browser, '', true));
        $constraint = new BrowserHasCookie('foo', '/path', 'example.com');
        $this->assertTrue($constraint->evaluate($browser, '', true));
        $constraint = new BrowserHasCookie('bar');
        $this->assertFalse($constraint->evaluate($browser, '', true));

        try {
            $constraint->evaluate($browser);
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Browser has cookie \"bar\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }

    public function testConstraintWithWrongPath()
    {
        $browser = $this->getBrowser();
        $constraint = new BrowserHasCookie('foo', '/other');

    public function testConstraint()
    {
        $constraint = new ResponseHeaderSame('Cache-Control', 'no-cache, private');
        $this->assertTrue($constraint->evaluate(new Response(), '', true));
        $constraint = new ResponseHeaderSame('Cache-Control', 'public');
        $this->assertFalse($constraint->evaluate(new Response(), '', true));

        try {
            $constraint->evaluate(new Response());
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Response has header \"Cache-Control\" with value \"public\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

        $request = new Request();
        $request->attributes->set('foo', 'bar');
        $constraint = new RequestAttributeValueSame('foo', 'bar');
        $this->assertTrue($constraint->evaluate($request, '', true));
        $constraint = new RequestAttributeValueSame('bar', 'foo');
        $this->assertFalse($constraint->evaluate($request, '', true));

        try {
            $constraint->evaluate($request);
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Request has attribute \"bar\" with value \"foo\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

    public function testConstraint()
    {
        $constraint = new ResponseHasHeader('Date');
        $this->assertTrue($constraint->evaluate(new Response(), '', true));
        $constraint = new ResponseHasHeader('X-Date');
        $this->assertFalse($constraint->evaluate(new Response(), '', true));

        try {
            $constraint->evaluate(new Response());
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Response has header \"X-Date\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

class CrawlerSelectorTextSameTest extends TestCase
{
    public function testConstraint()
    {
        $constraint = new CrawlerSelectorTextSame('title', 'Foo');
        $this->assertTrue($constraint->evaluate(new Crawler('<html><head><title>Foo'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head><title>Bar'), '', true));

        try {
            $constraint->evaluate(new Crawler('<html><head><title>Bar'));
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Crawler has a node matching selector \"title\" with content \"Foo\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

    public function testConstraint()
    {
        $constraint = new ResponseIsSuccessful();

        $this->assertTrue($constraint->evaluate(new Response(), '', true));
        $this->assertFalse($constraint->evaluate(new Response('', 404), '', true));

        try {
            $constraint->evaluate(new Response('', 404));
        } catch (ExpectationFailedException $e) {
            $this->assertStringContainsString("Failed asserting that the Response is successful.\nHTTP/1.0 404 Not Found", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

/** * @dataProvider providesUnsuccessful */
    public function testUnsuccessfulCommand(string $expectedException, int $exitCode)
    {
        $constraint = new CommandIsSuccessful();

        try {
            $constraint->evaluate($exitCode);
        } catch (ExpectationFailedException $e) {
            $this->assertStringContainsString('Failed asserting that the command is successful.', TestFailure::exceptionToString($e));
            $this->assertStringContainsString($expectedException, TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }

    public static function providesUnsuccessful(): iterable
    {
        yield 'Failed' => ['Command failed.', Command::FAILURE];

        $response = new Response();
        $response->headers->setCookie(Cookie::create('foo', 'bar'));
        $constraint = new ResponseHasCookie('foo');
        $this->assertTrue($constraint->evaluate($response, '', true));
        $constraint = new ResponseHasCookie('bar');
        $this->assertFalse($constraint->evaluate($response, '', true));

        try {
            $constraint->evaluate($response);
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Response has cookie \"bar\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

    public function testConstraint()
    {
        $constraint = new CrawlerSelectorAttributeValueSame('input[name="username"]', 'value', 'Fabien');
        $this->assertTrue($constraint->evaluate(new Crawler('<html><body><form><input type="text" name="username" value="Fabien">'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><body><form><input type="text" name="username">'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head><title>Bar'), '', true));

        try {
            $constraint->evaluate(new Crawler('<html><head><title>Bar'));
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Crawler has a node matching selector \"input[name=\"username\"]\" with attribute \"value\" of value \"Fabien\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}

    public function testConstraint()
    {
        $constraint = new ResponseIsRedirected();

        $this->assertTrue($constraint->evaluate(new Response('', 301), '', true));
        $this->assertFalse($constraint->evaluate(new Response(), '', true));

        try {
            $constraint->evaluate(new Response());
        } catch (ExpectationFailedException $e) {
            $this->assertStringContainsString("Failed asserting that the Response is redirected.\nHTTP/1.0 200 OK", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}