unsupervised-scheduler/tests/Unit/Auth/RegistrationMailerTest.php

<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Auth;

use Brain\Monkey\Functions;
use Mockery;
use Unsupervised\Schedular\Auth\RegistrationMailer;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class RegistrationMailerTest extends TestCase
{
    protected function setUp(): void
    {
        parent::setUp();
        Functions\when('get_bloginfo')->justReturn('Test Studio');
        Functions\when('wp_login_url')->justReturn('http://example.test/login');
    }

    private function user(string $email): \WP_User
    {
        $user               = Mockery::mock(\WP_User::class);
        $user->user_email   = $email;
        $user->display_name = 'Ada';

        return $user;
    }

    public function testSendConfirmationEmailsTheStudent(): void
    {
        Functions\expect('wp_mail')
            ->once()
            ->with(
                '[email protected]',
                Mockery::type('string'),
                Mockery::on(static fn (string $body): bool => str_contains($body, 'http://confirm.test'))
            )
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->sendConfirmation($this->user('[email protected]'), 'http://confirm.test'));
    }

    public function testSendConfirmationReturnsFalseWithoutRecipient(): void
    {
        self::assertFalse((new RegistrationMailer())->sendConfirmation($this->user(''), 'http://confirm.test'));
    }

    public function testNotifyAdminsPendingUsesAdminEmail(): void
    {
        Functions\when('get_option')->alias(static fn (string $name) => $name === 'admin_email' ? '[email protected]' : '');

        Functions\expect('wp_mail')
            ->once()
            ->with('[email protected]', Mockery::type('string'), Mockery::type('string'))
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->notifyAdminsPending($this->user('[email protected]')));
    }

    public function testSendApprovedEmailsTheStudent(): void
    {
        Functions\expect('wp_mail')
            ->once()
            ->with('[email protected]', Mockery::type('string'), Mockery::type('string'))
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->sendApproved($this->user('[email protected]')));
    }

    public function testSendRejectedEmailsTheAddress(): void
    {
        Functions\expect('wp_mail')
            ->once()
            ->with('[email protected]', Mockery::type('string'), Mockery::type('string'))
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->sendRejected('[email protected]'));
    }

    public function testSendRejectedReturnsFalseWithoutRecipient(): void
    {
        self::assertFalse((new RegistrationMailer())->sendRejected(''));
    }

    public function testSendClassAccessGrantedEmailsTheStudent(): void
    {
        Functions\expect('wp_mail')
            ->once()
            ->with(
                '[email protected]',
                Mockery::on(static fn (string $subject): bool => str_contains($subject, 'Choir')),
                Mockery::on(static fn (string $body): bool => str_contains($body, 'Choir'))
            )
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->sendClassAccessGranted($this->user('[email protected]'), 'Choir'));
    }

    public function testSendClassAccessGrantedReturnsFalseWithoutRecipient(): void
    {
        self::assertFalse((new RegistrationMailer())->sendClassAccessGranted($this->user(''), 'Choir'));
    }

    public function testSendClassInviteIncludesTheLink(): void
    {
        Functions\expect('wp_mail')
            ->once()
            ->with(
                '[email protected]',
                Mockery::type('string'),
                Mockery::on(static fn (string $body): bool => str_contains($body, 'http://join.test'))
            )
            ->andReturn(true);

        self::assertTrue((new RegistrationMailer())->sendClassInvite('[email protected]', 'http://join.test', 'Choir'));
    }

    public function testSendClassInviteReturnsFalseWithoutRecipient(): void
    {
        self::assertFalse((new RegistrationMailer())->sendClassInvite('', 'http://join.test', 'Choir'));
    }
}