Introduce additional tests for the validate method

Author: Jaspaul

tests/InvalidModelTest.php

@@ -43,4 +43,13 @@ public function testSaveThrowsAValidationException()
         $model = new InvalidModel();
         $model->save();
     }
+
+    /**
+     * @expectedException \Illuminate\Validation\ValidationException
+     */
+    public function testValidateThrowsAValidationException()
+    {
+        $model = new InvalidModel();
+        $model->validate();
+    }
 }

tests/TestCase.php

@@ -41,4 +41,15 @@ protected function setUpContainer()
             return $validator;
         });
     }
+
+    /**
+     * A simple helper so our test case expectations are a little more clear.
+     *
+     * @param mixed $value
+     *        The value that we are asserting is void.
+     */
+    protected function assertVoid($value)
+    {
+        $this->assertNull($value);
+    }
 }

tests/ModelTest.php renamed to tests/ValidModelTest.php

@@ -6,7 +6,7 @@
 use Illuminate\Database\Eloquent\Model as EloquentModel;
 use Jaspaul\EloquentModelValidation\Contracts\Validatable;
 
-class ModelTest extends TestCase
+class ValidModelTest extends TestCase
 {
     public function testItCanBeConstructed()
     {
@@ -27,4 +27,10 @@ public function testGetErrorsReturnsAnEmptyMessageBag()
         $errors = $model->getErrors();
         $this->assertTrue($errors->isEmpty());
     }
+
+    public function testValidateDoesNotThrowAValidationException()
+    {
+        $model = new ValidModel();
+        $this->assertVoid($model->validate());
+    }
 }