Extract pure unit tests so that they can run fast

- Move to separate directory (base for a separate test suite)
- Inherit directly from PhpUnit
- Configure test suite with dedicated XML file

tests/phpunit.unit.xml

@@ -11,12 +11,8 @@
          syntaxCheck="false">
 
     <testsuites>
-        <testsuite name="installation">
+        <testsuite name="Flarum Unit Tests">
-            <directory suffix="Test.php">./tests/Install</directory>
+            <directory suffix="Test.php">./unit</directory>
-        </testsuite>
-        <testsuite name="all">
-            <directory suffix="Test.php">./tests</directory>
-            <exclude>./tests/Install</exclude>
         </testsuite>
     </testsuites>
     <filter>

tests/unit/Api/ExceptionHandler/FloodingExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\FloodingExceptionHandler;
 use Flarum\Post\Exception\FloodingException;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class FloodingExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new FloodingExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/IlluminateValidationExceptionHandlerTest.php

@@ -9,21 +9,21 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\IlluminateValidationExceptionHandler;
-use Flarum\Tests\Test\TestCase;
 use Illuminate\Translation\ArrayLoader;
 use Illuminate\Translation\Translator;
 use Illuminate\Validation\Factory;
 use Illuminate\Validation\ValidationException;
+use PHPUnit\Framework\TestCase;
 
 class IlluminateValidationExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new IlluminateValidationExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/InvalidAccessTokenExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\Exception\InvalidAccessTokenException;
 use Flarum\Api\ExceptionHandler\InvalidAccessTokenExceptionHandler;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class InvalidAccessTokenExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new InvalidAccessTokenExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/InvalidConfirmationTokenExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\InvalidConfirmationTokenExceptionHandler;
-use Flarum\Tests\Test\TestCase;
 use Flarum\User\Exception\InvalidConfirmationTokenException;
+use PHPUnit\Framework\TestCase;
 
 class InvalidConfirmationTokenExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new InvalidConfirmationTokenExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/MethodNotAllowedExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\MethodNotAllowedExceptionHandler;
 use Flarum\Http\Exception\MethodNotAllowedException;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class MethodNotAllowedExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new MethodNotAllowedExceptionHandler();
     }

tests/unit/Api/ExceptionHandler/ModelNotFoundExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\ModelNotFoundExceptionHandler;
-use Flarum\Tests\Test\TestCase;
 use Illuminate\Database\Eloquent\ModelNotFoundException;
+use PHPUnit\Framework\TestCase;
 
 class ModelNotFoundExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new ModelNotFoundExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/PermissionDeniedExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\PermissionDeniedExceptionHandler;
-use Flarum\Tests\Test\TestCase;
 use Flarum\User\Exception\PermissionDeniedException;
+use PHPUnit\Framework\TestCase;
 
 class PermissionDeniedExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new PermissionDeniedExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/RouteNotFoundExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\RouteNotFoundExceptionHandler;
 use Flarum\Http\Exception\RouteNotFoundException;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class RouteNotFoundExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new RouteNotFoundExceptionHandler();
     }

tests/unit/Api/ExceptionHandler/TokenMismatchExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\TokenMismatchExceptionHandler;
 use Flarum\Http\Exception\TokenMismatchException;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class TokenMismatchExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new TokenMismatchExceptionHandler;
     }

tests/unit/Api/ExceptionHandler/ValidationExceptionHandlerTest.php

@@ -9,18 +9,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Api\ExceptionHandler;
+namespace Flarum\Tests\unit\Api\ExceptionHandler;
 
 use Exception;
 use Flarum\Api\ExceptionHandler\ValidationExceptionHandler;
 use Flarum\Foundation\ValidationException;
-use Flarum\Tests\Test\TestCase;
+use PHPUnit\Framework\TestCase;
 
 class ValidationExceptionHandlerTest extends TestCase
 {
     private $handler;
 
-    public function init()
+    public function setUp()
     {
         $this->handler = new ValidationExceptionHandler;
     }

tests/unit/Settings/DatabaseSettingsRepositoryTest.php

@@ -9,19 +9,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Settings;
+namespace Flarum\Tests\unit\Settings;
 
 use Flarum\Settings\DatabaseSettingsRepository;
-use Flarum\Tests\Test\TestCase;
 use Illuminate\Database\ConnectionInterface;
 use Mockery as m;
+use PHPUnit\Framework\TestCase;
 
 class DatabaseSettingsRepositoryTest extends TestCase
 {
     private $connection;
     private $repository;
 
-    public function init()
+    public function setUp()
     {
         $this->connection = m::mock(ConnectionInterface::class);
         $this->repository = new DatabaseSettingsRepository($this->connection);

tests/unit/Settings/MemoryCacheSettingsRepositoryTest.php

@@ -9,19 +9,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Tests\Settings;
+namespace Flarum\Tests\unit\Settings;
 
 use Flarum\Settings\MemoryCacheSettingsRepository;
 use Flarum\Settings\SettingsRepositoryInterface;
-use Flarum\Tests\Test\TestCase;
 use Mockery as m;
+use PHPUnit\Framework\TestCase;
 
 class MemoryCacheSettingsRepositoryTest extends TestCase
 {
     private $baseRepository;
     private $repository;
 
-    public function init()
+    public function setUp()
     {
         $this->baseRepository = m::mock(SettingsRepositoryInterface::class);
         $this->repository = new MemoryCacheSettingsRepository($this->baseRepository);