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Why is my Predis PHPUnit mockup not up to my expectations?

I am trying to make fun of the Predis client in a PHPUnit test. When I call the method I tried to mock, at the end of the test, PHPUnit tells me that the expectations were not met.

Here is a sample code that reproduces my problem:

class MockRedisTest extends \PHPUnit_Framework_TestCase {
private $mockRedis;

public function testMockRedis() {

    $mockRedis =  $this->getMock('Predis\\Client');

    $mockRedis->expects(  $this->once())
      ->method("exists")
      ->with($this->equalTo("query-key"))
      ->will($this->returnValue(true));

    $mockRedis->exists("query-key");
}

}

And PHPUnit believes that the method was not called:

1) MockRedisTest :: testMockRedis Waiting error for the method name is equal when called 1 time (s). It was expected that the method would be called 1 time, actually called 0 times.

Why? Is this because the Predis client uses __call to answer method calls that match redis commands?

UPDATE: I get the impression that this has something to do with the __call method. Code change for this:

public function testMockRedis() {

    $mockRedis =  $this->getMock('Predis\\Client');

    $mockRedis->expects(  $this->once())
      ->method("__call")
      ->with("exists", $this->equalTo(array("query-key")))
      ->will($this->returnValue(true));

    $mockRedis->exists("query-key");
}

, . , __call ?

+5
3

,

$mockRedis =  $this->getMock('Predis\\Client', array('exists'));
// ...

. exists(). , .

+8

, ,

<?php
$mockRedis = $this->getMock('Predis\\Client', array_keys((new Predis\Profiles\ServerVersion26)->getSupportedCommands()));
0

Phpunit 5

$this->createPartialMock('Predis\\Client', ['exists']);

"" ( redis)

0

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