src/php/tests/unit_tests/ChannelCredentialsTest.php

<?php
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class ChanellCredentialsTest extends PHPUnit_Framework_TestCase
{
    public function setUp()
    {
    }

    public function tearDown()
    {
    }

    public function testCreateDefault()
    {
        $channel_credentials = Grpc\ChannelCredentials::createDefault();
        $this->assertSame('Grpc\ChannelCredentials', get_class($channel_credentials));
    }

    /**
     * @expectedException InvalidArgumentException
     */
    public function testInvalidCreateSsl()
    {
        $channel_credentials = Grpc\ChannelCredentials::createSsl([]);
    }

    /**
     * @expectedException InvalidArgumentException
     */
    public function testInvalidCreateComposite()
    {
        $channel_credentials = Grpc\ChannelCredentials::createComposite(
            'something', 'something');
    }

    public function testCreateInsecure()
    {
        $channel_credentials = Grpc\ChannelCredentials::createInsecure();
        $this->assertNull($channel_credentials);
    }
}