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<?php
/*
* Copyright 2016 Google LLC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
namespace Google\ApiCore\Testing;
use Google\ApiCore\ApiException;
use Google\Protobuf\Internal\Message;
use Google\Rpc\Code;
use Grpc;
/**
* The MockBidiStreamingCall class is used to mock out the \Grpc\BidiStreamingCall class
* (https://github.com/grpc/grpc/blob/master/src/php/lib/Grpc/BidiStreamingCall.php)
*/
class MockBidiStreamingCall extends Grpc\BidiStreamingCall
{
use SerializationTrait;
private $responses;
private $status;
private $writesDone = false;
private $receivedWrites = [];
/**
* MockBidiStreamingCall constructor.
* @param mixed[] $responses A list of response objects.
* @param callable|null $deserialize An optional deserialize method for the response object.
* @param MockStatus|null $status An optional status object. If set to null, a status of OK is used.
*/
public function __construct($responses, $deserialize = null, $status = null)
{
$this->responses = $responses;
$this->deserialize = $deserialize;
if (is_null($status)) {
$status = new MockStatus(Code::OK);
}
$this->status = $status;
}
/**
* @return mixed|null
* @throws ApiException
*/
public function read()
{
if (count($this->responses) > 0) {
$resp = array_shift($this->responses);
if (is_null($resp)) {
// Null was added to the responses list to simulate a failed stream
// To ensure that getStatus can now be called, we clear the remaining
// responses and set writesDone to true
$this->responses = [];
$this->writesDone();
return null;
}
$obj = $this->deserializeMessage($resp, $this->deserialize);
return $obj;
} elseif ($this->writesDone) {
return null;
} else {
throw new ApiException(
"No more responses to read, but closeWrite() not called - "
. "this would be blocking",
Grpc\STATUS_INTERNAL,
null
);
}
}
/**
* @return MockStatus|null|\stdClass
* @throws ApiException
*/
public function getStatus()
{
if (count($this->responses) > 0) {
throw new ApiException(
"Calls to getStatus() will block if all responses are not read",
Grpc\STATUS_INTERNAL,
null
);
}
if (!$this->writesDone) {
throw new ApiException(
"Calls to getStatus() will block if closeWrite() not called",
Grpc\STATUS_INTERNAL,
null
);
}
return $this->status;
}
/**
* Save the request object, to be retrieved via getReceivedCalls()
* @param \Google\Protobuf\Internal\Message|mixed $request The request object
* @param array $options An array of options.
* @throws ApiException
*/
public function write($request, array $options = [])
{
if ($this->writesDone) {
throw new ApiException(
"Cannot call write() after writesDone()",
Grpc\STATUS_INTERNAL,
null
);
}
if (is_a($request, '\Google\Protobuf\Internal\Message')) {
/** @var Message $newRequest */
$newRequest = new $request();
$newRequest->mergeFromString($request->serializeToString());
$request = $newRequest;
}
$this->receivedWrites[] = $request;
}
/**
* Set writesDone to true
*/
public function writesDone()
{
$this->writesDone = true;
}
/**
* Return a list of calls made to write(), and clear $receivedFuncCalls.
*
* @return mixed[] An array of received requests
*/
public function popReceivedCalls()
{
$receivedFuncCallsTemp = $this->receivedWrites;
$this->receivedWrites = [];
return $receivedFuncCallsTemp;
}
}
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