first commit

tests/unit/_bootstrap.php

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+<?php
+
+// add unit testing specific bootstrap code here

tests/unit/models/ContactFormTest.php

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+<?php
+
+namespace tests\unit\models;
+
+use app\models\ContactForm;
+use yii\mail\MessageInterface;
+
+class ContactFormTest extends \Codeception\Test\Unit
+{
+    /**
+     * @var \UnitTester
+     */
+    public $tester;
+
+    public function testEmailIsSentOnContact()
+    {
+        $model = new ContactForm();
+
+        $model->attributes = [
+            'name' => 'Tester',
+            'email' => 'tester@example.com',
+            'subject' => 'very important letter subject',
+            'body' => 'body of current message',
+            'verifyCode' => 'testme',
+        ];
+
+        verify($model->contact('admin@example.com'))->notEmpty();
+
+        // using Yii2 module actions to check email was sent
+        $this->tester->seeEmailIsSent();
+
+        /** @var MessageInterface $emailMessage */
+        $emailMessage = $this->tester->grabLastSentEmail();
+        verify($emailMessage)->instanceOf('yii\mail\MessageInterface');
+        verify($emailMessage->getTo())->arrayHasKey('admin@example.com');
+        verify($emailMessage->getFrom())->arrayHasKey('noreply@example.com');
+        verify($emailMessage->getReplyTo())->arrayHasKey('tester@example.com');
+        verify($emailMessage->getSubject())->equals('very important letter subject');
+        verify($emailMessage->toString())->stringContainsString('body of current message');
+    }
+}

tests/unit/models/LoginFormTest.php

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+<?php
+
+namespace tests\unit\models;
+
+use app\models\LoginForm;
+
+class LoginFormTest extends \Codeception\Test\Unit
+{
+    private $model;
+
+    protected function _after()
+    {
+        \Yii::$app->user->logout();
+    }
+
+    public function testLoginNoUser()
+    {
+        $this->model = new LoginForm([
+            'username' => 'not_existing_username',
+            'password' => 'not_existing_password',
+        ]);
+
+        verify($this->model->login())->false();
+        verify(\Yii::$app->user->isGuest)->true();
+    }
+
+    public function testLoginWrongPassword()
+    {
+        $this->model = new LoginForm([
+            'username' => 'demo',
+            'password' => 'wrong_password',
+        ]);
+
+        verify($this->model->login())->false();
+        verify(\Yii::$app->user->isGuest)->true();
+        verify($this->model->errors)->arrayHasKey('password');
+    }
+
+    public function testLoginCorrect()
+    {
+        $this->model = new LoginForm([
+            'username' => 'demo',
+            'password' => 'demo',
+        ]);
+
+        verify($this->model->login())->true();
+        verify(\Yii::$app->user->isGuest)->false();
+        verify($this->model->errors)->arrayHasNotKey('password');
+    }
+
+}

tests/unit/models/UserTest.php

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+<?php
+
+namespace tests\unit\models;
+
+use app\models\User;
+
+class UserTest extends \Codeception\Test\Unit
+{
+    public function testFindUserById()
+    {
+        verify($user = User::findIdentity(100))->notEmpty();
+        verify($user->username)->equals('admin');
+
+        verify(User::findIdentity(999))->empty();
+    }
+
+    public function testFindUserByAccessToken()
+    {
+        verify($user = User::findIdentityByAccessToken('100-token'))->notEmpty();
+        verify($user->username)->equals('admin');
+
+        verify(User::findIdentityByAccessToken('non-existing'))->empty();        
+    }
+
+    public function testFindUserByUsername()
+    {
+        verify($user = User::findByUsername('admin'))->notEmpty();
+        verify(User::findByUsername('not-admin'))->empty();
+    }
+
+    /**
+     * @depends testFindUserByUsername
+     */
+    public function testValidateUser()
+    {
+        $user = User::findByUsername('admin');
+        verify($user->validateAuthKey('test100key'))->notEmpty();
+        verify($user->validateAuthKey('test102key'))->empty();
+
+        verify($user->validatePassword('admin'))->notEmpty();
+        verify($user->validatePassword('123456'))->empty();        
+    }
+
+}

tests/unit/widgets/AlertTest.php

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+<?php
+
+namespace tests\unit\widgets;
+
+use app\widgets\Alert;
+use Yii;
+
+class AlertTest extends \Codeception\Test\Unit
+{
+    public function testSingleErrorMessage()
+    {
+        $message = 'This is an error message';
+
+        Yii::$app->session->setFlash('error', $message);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($message);
+        verify($renderingResult)->stringContainsString('alert-danger');
+
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testMultipleErrorMessages()
+    {
+        $firstMessage = 'This is the first error message';
+        $secondMessage = 'This is the second error message';
+
+        Yii::$app->session->setFlash('error', [$firstMessage, $secondMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstMessage);
+        verify($renderingResult)->stringContainsString($secondMessage);
+        verify($renderingResult)->stringContainsString('alert-danger');
+
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testSingleDangerMessage()
+    {
+        $message = 'This is a danger message';
+
+        Yii::$app->session->setFlash('danger', $message);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($message);
+        verify($renderingResult)->stringContainsString('alert-danger');
+
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testMultipleDangerMessages()
+    {
+        $firstMessage = 'This is the first danger message';
+        $secondMessage = 'This is the second danger message';
+
+        Yii::$app->session->setFlash('danger', [$firstMessage, $secondMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstMessage);
+        verify($renderingResult)->stringContainsString($secondMessage);
+        verify($renderingResult)->stringContainsString('alert-danger');
+
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testSingleSuccessMessage()
+    {
+        $message = 'This is a success message';
+
+        Yii::$app->session->setFlash('success', $message);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($message);
+        verify($renderingResult)->stringContainsString('alert-success');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testMultipleSuccessMessages()
+    {
+        $firstMessage = 'This is the first danger message';
+        $secondMessage = 'This is the second danger message';
+
+        Yii::$app->session->setFlash('success', [$firstMessage, $secondMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstMessage);
+        verify($renderingResult)->stringContainsString($secondMessage);
+        verify($renderingResult)->stringContainsString('alert-success');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testSingleInfoMessage()
+    {
+        $message = 'This is an info message';
+
+        Yii::$app->session->setFlash('info', $message);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($message);
+        verify($renderingResult)->stringContainsString('alert-info');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testMultipleInfoMessages()
+    {
+        $firstMessage = 'This is the first info message';
+        $secondMessage = 'This is the second info message';
+
+        Yii::$app->session->setFlash('info', [$firstMessage, $secondMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstMessage);
+        verify($renderingResult)->stringContainsString($secondMessage);
+        verify($renderingResult)->stringContainsString('alert-info');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-warning');
+    }
+
+    public function testSingleWarningMessage()
+    {
+        $message = 'This is a warning message';
+
+        Yii::$app->session->setFlash('warning', $message);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($message);
+        verify($renderingResult)->stringContainsString('alert-warning');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+    }
+
+    public function testMultipleWarningMessages()
+    {
+        $firstMessage = 'This is the first warning message';
+        $secondMessage = 'This is the second warning message';
+
+        Yii::$app->session->setFlash('warning', [$firstMessage, $secondMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstMessage);
+        verify($renderingResult)->stringContainsString($secondMessage);
+        verify($renderingResult)->stringContainsString('alert-warning');
+
+        verify($renderingResult)->stringNotContainsString('alert-danger');
+        verify($renderingResult)->stringNotContainsString('alert-success');
+        verify($renderingResult)->stringNotContainsString('alert-info');
+    }
+
+    public function testSingleMixedMessages() {
+        $errorMessage = 'This is an error message';
+        $dangerMessage = 'This is a danger message';
+        $successMessage = 'This is a success message';
+        $infoMessage = 'This is a info message';
+        $warningMessage = 'This is a warning message';
+
+        Yii::$app->session->setFlash('error', $errorMessage);
+        Yii::$app->session->setFlash('danger', $dangerMessage);
+        Yii::$app->session->setFlash('success', $successMessage);
+        Yii::$app->session->setFlash('info', $infoMessage);
+        Yii::$app->session->setFlash('warning', $warningMessage);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($errorMessage);
+        verify($renderingResult)->stringContainsString($dangerMessage);
+        verify($renderingResult)->stringContainsString($successMessage);
+        verify($renderingResult)->stringContainsString($infoMessage);
+        verify($renderingResult)->stringContainsString($warningMessage);
+
+        verify($renderingResult)->stringContainsString('alert-danger');
+        verify($renderingResult)->stringContainsString('alert-success');
+        verify($renderingResult)->stringContainsString('alert-info');
+        verify($renderingResult)->stringContainsString('alert-warning');
+    }
+
+    public function testMultipleMixedMessages() {
+        $firstErrorMessage = 'This is the first error message';
+        $secondErrorMessage = 'This is the second error message';
+        $firstDangerMessage = 'This is the first danger message';
+        $secondDangerMessage = 'This is the second';
+        $firstSuccessMessage = 'This is the first success message';
+        $secondSuccessMessage = 'This is the second success message';
+        $firstInfoMessage = 'This is the first info message';
+        $secondInfoMessage = 'This is the second info message';
+        $firstWarningMessage = 'This is the first warning message';
+        $secondWarningMessage = 'This is the second warning message';
+
+        Yii::$app->session->setFlash('error', [$firstErrorMessage, $secondErrorMessage]);
+        Yii::$app->session->setFlash('danger', [$firstDangerMessage, $secondDangerMessage]);
+        Yii::$app->session->setFlash('success', [$firstSuccessMessage, $secondSuccessMessage]);
+        Yii::$app->session->setFlash('info', [$firstInfoMessage, $secondInfoMessage]);
+        Yii::$app->session->setFlash('warning', [$firstWarningMessage, $secondWarningMessage]);
+
+        $renderingResult = Alert::widget();
+
+        verify($renderingResult)->stringContainsString($firstErrorMessage);
+        verify($renderingResult)->stringContainsString($secondErrorMessage);
+        verify($renderingResult)->stringContainsString($firstDangerMessage);
+        verify($renderingResult)->stringContainsString($secondDangerMessage);
+        verify($renderingResult)->stringContainsString($firstSuccessMessage);
+        verify($renderingResult)->stringContainsString($secondSuccessMessage);
+        verify($renderingResult)->stringContainsString($firstInfoMessage);
+        verify($renderingResult)->stringContainsString($secondInfoMessage);
+        verify($renderingResult)->stringContainsString($firstWarningMessage);
+        verify($renderingResult)->stringContainsString($secondWarningMessage);
+
+        verify($renderingResult)->stringContainsString('alert-danger');
+        verify($renderingResult)->stringContainsString('alert-success');
+        verify($renderingResult)->stringContainsString('alert-info');
+        verify($renderingResult)->stringContainsString('alert-warning');
+    }
+
+    public function testFlashIntegrity()
+    {
+        $errorMessage = 'This is an error message';
+        $unrelatedMessage = 'This is a message that is not related to the alert widget';
+
+        Yii::$app->session->setFlash('error', $errorMessage);
+        Yii::$app->session->setFlash('unrelated', $unrelatedMessage);
+
+        Alert::widget();
+
+        // Simulate redirect
+        Yii::$app->session->close();
+        Yii::$app->session->open();
+
+        verify(Yii::$app->session->getFlash('error'))->empty();
+        verify(Yii::$app->session->getFlash('unrelated'))->equals($unrelatedMessage);
+    }
+}