PayWithAmazon\ClientTest::testCharge PHP Method

    public function testCharge()
    {
        $client = new Client($this->configParams);
        $apiCallParams = array('amazon_reference_id' => 'S01-TEST');
        try {
            $client = new Client($this->configParams);
            $apiCallParams = array('amazon_reference_id' => '');
            $client->charge($apiCallParams);
        } catch (\Exception $expected) {
            $this->assertRegExp('/key amazon_order_reference_id or amazon_billing_agreement_id is null and is a required parameter./i', strval($expected));
        }
        try {
            $client = new Client($this->configParams);
            $apiCallParams = array('amazon_reference_id' => 'T01');
            $client->charge($apiCallParams);
        } catch (\Exception $expected) {
            $this->assertRegExp('/Invalid Amazon Reference ID./i', strval($expected));
        }
    }