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assertNoFormValue example

public function testAssertFormValue()
    {
        $this->getCrawlerTester(new Crawler('<html><body><form id="form"><input type="text" name="username" value="Fabien">', 'http://localhost'))->assertFormValue('#form', 'username', 'Fabien');
        $this->expectException(AssertionFailedError::class);
        $this->expectExceptionMessage('Failed asserting that two strings are identical.');
        $this->getCrawlerTester(new Crawler('<html><body><form id="form"><input type="text" name="username" value="Fabien">', 'http://localhost'))->assertFormValue('#form', 'username', 'Jane');
    }

    public function testAssertNoFormValue()
    {
        $this->getCrawlerTester(new Crawler('<html><body><form id="form"><input type="checkbox" name="rememberMe">', 'http://localhost'))->assertNoFormValue('#form', 'rememberMe');
        $this->expectException(AssertionFailedError::class);
        $this->expectExceptionMessage('Field "rememberMe" has a value in form "#form".');
        $this->getCrawlerTester(new Crawler('<html><body><form id="form"><input type="checkbox" name="rememberMe" checked>', 'http://localhost'))->assertNoFormValue('#form', 'rememberMe');
    }

    public function testAssertRequestAttributeValueSame()
    {
        $this->getRequestTester()->assertRequestAttributeValueSame('foo', 'bar');
        $this->expectException(AssertionFailedError::class);
        $this->expectExceptionMessage('Failed asserting that the Request has attribute "foo" with value "baz".');
        $this->getRequestTester()->assertRequestAttributeValueSame('foo', 'baz');
    }