first commit

common/tests/unit/models/LoginFormTest.php

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+<?php
+
+namespace common\tests\unit\models;
+
+use Yii;
+use common\models\LoginForm;
+use common\fixtures\UserFixture;
+
+/**
+ * Login form test
+ */
+class LoginFormTest extends \Codeception\Test\Unit
+{
+    /**
+     * @var \common\tests\UnitTester
+     */
+    protected $tester;
+
+
+    /**
+     * @return array
+     */
+    public function _fixtures()
+    {
+        return [
+            'user' => [
+                'class' => UserFixture::class,
+                'dataFile' => codecept_data_dir() . 'user.php'
+            ]
+        ];
+    }
+
+    public function testLoginNoUser()
+    {
+        $model = new LoginForm([
+            'username' => 'not_existing_username',
+            'password' => 'not_existing_password',
+        ]);
+
+        verify($model->login())->false();
+        verify(Yii::$app->user->isGuest)->true();
+    }
+
+    public function testLoginWrongPassword()
+    {
+        $model = new LoginForm([
+            'username' => 'bayer.hudson',
+            'password' => 'wrong_password',
+        ]);
+
+        verify($model->login())->false();
+        verify( $model->errors)->arrayHasKey('password');
+        verify(Yii::$app->user->isGuest)->true();
+    }
+
+    public function testLoginCorrect()
+    {
+        $model = new LoginForm([
+            'username' => 'bayer.hudson',
+            'password' => 'password_0',
+        ]);
+
+        verify($model->login())->true();
+        verify($model->errors)->arrayHasNotKey('password');
+        verify(Yii::$app->user->isGuest)->false();
+    }
+}