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Support for custom HTTP headers #10

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Support for custom HTTP headers #10

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6cd325b
Support for custom headers gievn to the browser's requests
qharnay Apr 6, 2020
7e1ab74
Ensuring default headers can be overriden
qharnay Apr 27, 2020
fb2e2bc
Inverted test. defualt headers can not be overriden
qharnay Apr 27, 2020
6523d9f
Custom and default headers are now handled in a mergeHeaders function.
qharnay Apr 28, 2020
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16 changes: 11 additions & 5 deletions src/EventSource.php
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Original file line number Diff line number Diff line change
Expand Up @@ -77,8 +77,13 @@ class EventSource extends EventEmitter
private $request;
private $timer;
private $reconnectTime = 3.0;
private $headers;
private $defaultHeaders = [
'Accept' => 'text/event-stream',
'Cache-Control' => 'no-cache'
];

public function __construct($url, LoopInterface $loop, Browser $browser = null)
public function __construct($url, LoopInterface $loop, Browser $browser = null, array $headers = [])
{
$parts = parse_url($url);
if (!isset($parts['scheme'], $parts['host']) || !in_array($parts['scheme'], array('http', 'https'))) {
Expand All @@ -91,17 +96,18 @@ public function __construct($url, LoopInterface $loop, Browser $browser = null)
$this->browser = $browser->withOptions(array('streaming' => true, 'obeySuccessCode' => false));
$this->loop = $loop;
$this->url = $url;
$this->headers = array_merge(
$headers,
$this->defaultHeaders
);

$this->readyState = self::CONNECTING;
$this->request();
}

private function request()
{
$headers = array(
'Accept' => 'text/event-stream',
'Cache-Control' => 'no-cache'
);
$headers = $this->headers;
if ($this->lastEventId !== '') {
$headers['Last-Event-ID'] = $this->lastEventId;
}
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37 changes: 37 additions & 0 deletions tests/EventSourceTest.php
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Expand Up @@ -51,6 +51,43 @@ public function testConstructorCanBeCalledWithoutBrowser()
$this->assertInstanceOf('Clue\React\Buzz\Browser', $browser);
}


public function testConstructorCanBeCalledWithoutCustomHeaders()
{
$loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();

$es = new EventSource('http://example.valid', $loop);

$ref = new ReflectionProperty($es, 'headers');
$ref->setAccessible(true);
$headers = $ref->getValue($es);

$ref = new ReflectionProperty($es, 'defaultHeaders');
$ref->setAccessible(true);
$defaultHeaders = $ref->getValue($es);

$this->assertEquals($defaultHeaders, $headers);
}

public function testConstructorCanBeCalledWithCustomHeaders()
{
$loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();

$es = new EventSource('http://example.valid', $loop, null, ['x-custom' => '1234']);

$ref = new ReflectionProperty($es, 'headers');
$ref->setAccessible(true);
$headers = $ref->getValue($es);

// Could have used the defaultHeaders property on EventSource,
// but this ensures the defaults are not altered by hardcoding their values in this test
$this->assertEquals(array(
'Accept' => 'text/event-stream',
'Cache-Control' => 'no-cache',
'x-custom' => '1234'
), $headers);
}

public function testConstructorWillSendGetRequestThroughGivenBrowser()
{
$loop = $this->getMockBuilder('React\EventLoop\LoopInterface')->getMock();
Expand Down