SendingFormByEmailAndRedirectingTest.php

<?php

class SendingFormByEmailAndRedirectingTest extends PHPUnit_Framework_TestCase
{
    private $form;
    private $formRedirection;
    private $email;
    private $sendAndRedirectAction;
    private $WHATEVER_FIELDS;

    function setUp()
    {
        $this->WHATEVER_FIELDS =
            array("fieldName" => "fieldContent");
        $this->form = Phake::mock('Form');
        $this->formRedirection = Phake::mock('FormRedirection');
        $this->email = Phake::mock('FormEmail');
        $this->sendAndRedirectAction =
            new SendingFormByEmailAndRedirecting(
                $this->email,
                $this->form,
                $this->formRedirection
            );
    }

    function testRedirectionBackToFormPage()
    {
        $this->whenFormNotFilled();

        $this->sendAndRedirectAction->execute();

        Phake::verify($this->formRedirection)
            ->backToFormPage();
    }

    function testEmailSending()
    {
        $this->whenFormFilledWithWhateverFields();

        $this->sendAndRedirectAction->execute();

        Phake::verify($this->email)
            ->send($this->WHATEVER_FIELDS);
    }

    function testRedirectionToSuccesPage()
    {
        $this->whenFormFilledWithWhateverFields();
        $this->andEmailSentSuccessfully();

        $this->sendAndRedirectAction->execute();

        Phake::verify($this->formRedirection)->toSuccessPage();
    }

    function testRedirectionToFailPage()
    {
        $this->whenFormFilledWithWhateverFields();
        $this->andEmailNotSentSuccessfully();

        $this->sendAndRedirectAction->execute();

        Phake::verify($this->formRedirection)->toFailPage();
    }

    private function whenFormFilledWithWhateverFields() {
        Phake::when($this->form)
            ->isNotFilled()
            ->thenReturn(false);

        Phake::when($this->form)
            ->fields()
            ->thenReturn($this->WHATEVER_FIELDS);
    }

    private function whenFormNotFilled()
    {
        Phake::when($this->form)
            ->isNotFilled()
            ->thenReturn(true);
    }

    private function andEmailSentSuccessfully()
    {
        Phake::when($this->email)
            ->send($this->WHATEVER_FIELDS)
            ->thenReturn(true);
    }

    private function andEmailNotSentSuccessfully()
    {
        Phake::when($this->email)
            ->send($this->WHATEVER_FIELDS)
            ->thenReturn(false);
    }
}