SapiEmitterTest::testContentLengthShouldNotOutputWhenBodyIsEmpty() - Code Metrics - Inspection of "Improve tests" - yiisoft/yii-web - Measure and Improve Code Quality continuously with Scrutinizer

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Pull Request — master (#216)

unknown

created 2020-02-10 09:18 UTC

testContentLengthShouldNotOutputWhenBodyIsEmpty() A

↳ Parent: SapiEmitterTest

Complexity

Conditions	1
Paths	1

Size

Total Lines	10
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	6
nc	1
nop	0
dl	0
loc	10
rs	10
c	0
b	0
f	0

<?php

namespace Yiisoft\Yii\Web\Tests\Emitter;

include 'httpFunctionMocks.php';

use Nyholm\Psr7\Response;
use PHPUnit\Framework\TestCase;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\StreamInterface;
use Yiisoft\Yii\Web\Emitter\EmitterInterface;
use Yiisoft\Yii\Web\Emitter\SapiEmitter;
use Yiisoft\Yii\Web\Exception\HeadersHaveBeenSentException;

/**
 * @runTestsInSeparateProcesses
 * @preserveGlobalState disabled
 */
class SapiEmitterTest extends TestCase
{
    public function setUp(): void
    {
        HTTPFunctions::reset();
    }

    public static function tearDownAfterClass(): void
    {
        HTTPFunctions::reset();
    }

    public function noBodyHTTPCodeProvider(): array
    {
        return [[100], [101], [102], [204], [205], [304]];
    }

    public function testEmit(): void
    {
        $body = 'Example body';
        $response = $this->createResponse(200, ['X-Test' => 1], $body);

        $this->createEmitter()->emit($response);

        $this->assertEquals(200, $this->getResponseCode());
        $this->assertCount(2, $this->getHeaders());
        $this->assertContains('X-Test: 1', $this->getHeaders());
        $this->assertContains('Content-Length: ' . strlen($body), $this->getHeaders());
        $this->expectOutputString($body);
    }

    /**
     * @dataProvider noBodyHTTPCodeProvider
     */
    public function testShouldNotOutputBodyByResponseCode(int $code): void
    {
        $response = $this->createResponse($code, ['X-Test' => 1], 'Example body');

        $this->createEmitter()->emit($response);

        $this->assertEquals($code, $this->getResponseCode());
        $this->assertTrue(HTTPFunctions::hasHeader('X-Test'));
        $this->assertFalse(HTTPFunctions::hasHeader('Content-Length'));
        $this->expectOutputString('');
    }

    public function testShouldNotOutputBodyAndContentLengthIfEmitToldSo(): void
    {
        $response = $this->createResponse(200, ['X-Test' => 1], 'Example body');

        $this->createEmitter()->emit($response, true);

        $this->assertEquals(200, $this->getResponseCode());
        $this->assertTrue(HTTPFunctions::hasHeader('X-Test'));
        $this->assertFalse(HTTPFunctions::hasHeader('Content-Length'));
        $this->expectOutputString('');
    }

    public function testContentLengthShouldNotBeOverwrittenIfPresent(): void
    {
        $length = 100;
        $response = $this->createResponse(200, ['Content-Length' => $length, 'X-Test' => 1], 'Example body');

        $this->createEmitter()->emit($response);

        $this->assertEquals(200, $this->getResponseCode());
        $this->assertCount(2, $this->getHeaders());
        $this->assertContains('X-Test: 1', $this->getHeaders());
        $this->assertContains('Content-Length: ' . $length, $this->getHeaders());
        $this->expectOutputString('Example body');
    }

    public function testContentLengthShouldNotOutputWhenBodyIsEmpty(): void
    {
        $length = 100;
        $response = $this->createResponse(200, ['Content-Length' => $length, 'X-Test' => 1], '');

        $this->createEmitter()->emit($response);

        $this->assertEquals(200, $this->getResponseCode());
        $this->assertEquals(['X-Test: 1'], $this->getHeaders());
        $this->expectOutputString('');
    }

    public function testContentAlwaysShouldBeFullyEmitted(): void
    {
        $body = 'Example body';
        $response = $this->createResponse(200, ['Content-length' => 1, 'X-Test' => 1], $body);

        $this->createEmitter()->emit($response);

        $this->expectOutputString($body);
    }

    public function testSentHeadersShouldBeRemoved(): void
    {
        HTTPFunctions::header('Cookie-Set: First Cookie');
        HTTPFunctions::header('X-Test: 1');
        $body = 'Example body';
        $response = $this->createResponse(200, [], $body);

        $this->createEmitter()->emit($response);

        $this->assertEquals(['Content-Length: ' . strlen($body)], $this->getHeaders());
        $this->expectOutputString($body);
    }

    public function testExceptionWhenHeadersHaveBeenSent(): void
    {
        $body = 'Example body';
        $response = $this->createResponse(200, [], $body);
        HTTPFunctions::set_headers_sent(true, 'test-file.php', 200);

        $this->expectException(HeadersHaveBeenSentException::class);
        $this->createEmitter()->emit($response);
    }

    public function testShouldEmitDuplicateHeaders(): void
    {
        $body = 'Example body';
        $response = $this->createResponse(200, [], $body)
                         ->withHeader('X-Test', '1')
                         ->withAddedHeader('X-Test', '2')
                         ->withAddedHeader('X-Test', '3; 3.5')
                         ->withHeader('Cookie-Set', '1')
                         ->withAddedHeader('cookie-Set', '2')
                         ->withAddedHeader('Cookie-set', '3');

        $this->createEmitter()->emit($response);
        $this->assertEquals(200, $this->getResponseCode());
        $this->assertContains('X-Test: 1', $this->getHeaders());
        $this->assertContains('X-Test: 2', $this->getHeaders());
        $this->assertContains('X-Test: 3; 3.5', $this->getHeaders());
        $this->assertContains('Cookie-Set: 1', $this->getHeaders());
        $this->assertContains('Cookie-Set: 2', $this->getHeaders());
        $this->assertContains('Cookie-Set: 3', $this->getHeaders());
        $this->assertContains('Content-Length: ' . strlen($body), $this->getHeaders());
        $this->expectOutputString($body);
    }

    private function createEmitter(?int $bufferSize = null): EmitterInterface
    {
        return new SapiEmitter($bufferSize);
    }

    private function createResponse(
        int $status = 200,
        array $headers = [],
        $body = null,
        string $version = '1.1'
    ): ResponseInterface {
        $response = (new Response())
            ->withStatus($status)
            ->withProtocolVersion($version);
        foreach ($headers as $header => $value) {
            $response = $response->withHeader($header, $value);
        }
        if ($body instanceof StreamInterface) {
            $response = $response->withBody($body);
        } elseif (is_string($body)) {
            $response->getBody()->write($body);
        }
        return $response;
    }

    private function getHeaders(): array
    {
        return HTTPFunctions::headers_list();
    }

    private function getResponseCode(): int
    {
        return HTTPFunctions::http_response_code();
    }
}


1			<?php
2
3			namespace Yiisoft\Yii\Web\Tests\Emitter;
4
5			include 'httpFunctionMocks.php';
6
7			use Nyholm\Psr7\Response;
8			use PHPUnit\Framework\TestCase;
9			use Psr\Http\Message\ResponseInterface;
10			use Psr\Http\Message\StreamInterface;
11			use Yiisoft\Yii\Web\Emitter\EmitterInterface;
12			use Yiisoft\Yii\Web\Emitter\SapiEmitter;
13			use Yiisoft\Yii\Web\Exception\HeadersHaveBeenSentException;
14
15			/**
16			* @runTestsInSeparateProcesses
17			* @preserveGlobalState disabled
18			*/
19			class SapiEmitterTest extends TestCase
20			{
21			public function setUp(): void
22			{
23			HTTPFunctions::reset();
24			}
25
26			public static function tearDownAfterClass(): void
27			{
28			HTTPFunctions::reset();
29			}
30
31			public function noBodyHTTPCodeProvider(): array
32			{
33			return [[100], [101], [102], [204], [205], [304]];
34			}
35
36			public function testEmit(): void
37			{
38			$body = 'Example body';
39			$response = $this->createResponse(200, ['X-Test' => 1], $body);
40
41			$this->createEmitter()->emit($response);
42
43			$this->assertEquals(200, $this->getResponseCode());
44			$this->assertCount(2, $this->getHeaders());
45			$this->assertContains('X-Test: 1', $this->getHeaders());
46			$this->assertContains('Content-Length: ' . strlen($body), $this->getHeaders());
47			$this->expectOutputString($body);
48			}
49
50			/**
51			* @dataProvider noBodyHTTPCodeProvider
52			*/
53			public function testShouldNotOutputBodyByResponseCode(int $code): void
54			{
55			$response = $this->createResponse($code, ['X-Test' => 1], 'Example body');
56
57			$this->createEmitter()->emit($response);
58
59			$this->assertEquals($code, $this->getResponseCode());
60			$this->assertTrue(HTTPFunctions::hasHeader('X-Test'));
61			$this->assertFalse(HTTPFunctions::hasHeader('Content-Length'));
62			$this->expectOutputString('');
63			}
64
65			public function testShouldNotOutputBodyAndContentLengthIfEmitToldSo(): void
66			{
67			$response = $this->createResponse(200, ['X-Test' => 1], 'Example body');
68
69			$this->createEmitter()->emit($response, true);
70
71			$this->assertEquals(200, $this->getResponseCode());
72			$this->assertTrue(HTTPFunctions::hasHeader('X-Test'));
73			$this->assertFalse(HTTPFunctions::hasHeader('Content-Length'));
74			$this->expectOutputString('');
75			}
76
77			public function testContentLengthShouldNotBeOverwrittenIfPresent(): void
78			{
79			$length = 100;
80			$response = $this->createResponse(200, ['Content-Length' => $length, 'X-Test' => 1], 'Example body');
81
82			$this->createEmitter()->emit($response);
83
84			$this->assertEquals(200, $this->getResponseCode());
85			$this->assertCount(2, $this->getHeaders());
86			$this->assertContains('X-Test: 1', $this->getHeaders());
87			$this->assertContains('Content-Length: ' . $length, $this->getHeaders());
88			$this->expectOutputString('Example body');
89			}
90
91			public function testContentLengthShouldNotOutputWhenBodyIsEmpty(): void
92			{
93			$length = 100;
94			$response = $this->createResponse(200, ['Content-Length' => $length, 'X-Test' => 1], '');
95
96			$this->createEmitter()->emit($response);
97
98			$this->assertEquals(200, $this->getResponseCode());
99			$this->assertEquals(['X-Test: 1'], $this->getHeaders());
100			$this->expectOutputString('');
101			}
102
103			public function testContentAlwaysShouldBeFullyEmitted(): void
104			{
105			$body = 'Example body';
106			$response = $this->createResponse(200, ['Content-length' => 1, 'X-Test' => 1], $body);
107
108			$this->createEmitter()->emit($response);
109
110			$this->expectOutputString($body);
111			}
112
113			public function testSentHeadersShouldBeRemoved(): void
114			{
115			HTTPFunctions::header('Cookie-Set: First Cookie');
116			HTTPFunctions::header('X-Test: 1');
117			$body = 'Example body';
118			$response = $this->createResponse(200, [], $body);
119
120			$this->createEmitter()->emit($response);
121
122			$this->assertEquals(['Content-Length: ' . strlen($body)], $this->getHeaders());
123			$this->expectOutputString($body);
124			}
125
126			public function testExceptionWhenHeadersHaveBeenSent(): void
127			{
128			$body = 'Example body';
129			$response = $this->createResponse(200, [], $body);
130			HTTPFunctions::set_headers_sent(true, 'test-file.php', 200);
131
132			$this->expectException(HeadersHaveBeenSentException::class);
133			$this->createEmitter()->emit($response);
134			}
135
136			public function testShouldEmitDuplicateHeaders(): void
137			{
138			$body = 'Example body';
139			$response = $this->createResponse(200, [], $body)
140			->withHeader('X-Test', '1')
141			->withAddedHeader('X-Test', '2')
142			->withAddedHeader('X-Test', '3; 3.5')
143			->withHeader('Cookie-Set', '1')
144			->withAddedHeader('cookie-Set', '2')
145			->withAddedHeader('Cookie-set', '3');
146
147			$this->createEmitter()->emit($response);
148			$this->assertEquals(200, $this->getResponseCode());
149			$this->assertContains('X-Test: 1', $this->getHeaders());
150			$this->assertContains('X-Test: 2', $this->getHeaders());
151			$this->assertContains('X-Test: 3; 3.5', $this->getHeaders());
152			$this->assertContains('Cookie-Set: 1', $this->getHeaders());
153			$this->assertContains('Cookie-Set: 2', $this->getHeaders());
154			$this->assertContains('Cookie-Set: 3', $this->getHeaders());
155			$this->assertContains('Content-Length: ' . strlen($body), $this->getHeaders());
156			$this->expectOutputString($body);
157			}
158
159			private function createEmitter(?int $bufferSize = null): EmitterInterface
160			{
161			return new SapiEmitter($bufferSize);
162			}
163
164			private function createResponse(
165			int $status = 200,
166			array $headers = [],
167			$body = null,
168			string $version = '1.1'
169			): ResponseInterface {
170			$response = (new Response())
171			->withStatus($status)
172			->withProtocolVersion($version);
173			foreach ($headers as $header => $value) {
174			$response = $response->withHeader($header, $value);
175			}
176			if ($body instanceof StreamInterface) {
177			$response = $response->withBody($body);
178			} elseif (is_string($body)) {
179			$response->getBody()->write($body);
180			}
181			return $response;
182			}
183
184			private function getHeaders(): array
185			{
186			return HTTPFunctions::headers_list();
187			}
188
189			private function getResponseCode(): int
190			{
191			return HTTPFunctions::http_response_code();
192			}
193			}
194

yiisoft / yii-web

Pull Request — master (#216)

testContentLengthShouldNotOutputWhenBodyIsEmpty() A

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