paymentDOMock = $this->createMock(PaymentDataObjectInterface::class); $this->paymentMock = $this->createMock(Payment::class); $this->paymentDOMock->method('getPayment') ->willReturn($this->paymentMock); $this->builder = new RefundPaymentDataBuilder( new SubjectReader() ); } public function testBuild() { $this->paymentMock->method('getAdditionalInformation') ->with('ccLast4') ->willReturn('1111'); $expected = [ 'transactionRequest' => [ 'payment' => [ 'creditCard' => [ 'cardNumber' => '1111', 'expirationDate' => 'XXXX' ] ] ] ]; $buildSubject = [ 'payment' => $this->paymentDOMock, 'amount' => 123.45 ]; $this->assertEquals($expected, $this->builder->build($buildSubject)); } }