Add API resource generator tests

tests/ResourceGeneratorTest.php

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+<?php
+
+namespace RonasIT\Support\Tests;
+
+use RonasIT\Support\Events\SuccessCreateMessage;
+use RonasIT\Support\Events\WarningEvent;
+use RonasIT\Support\Exceptions\ClassAlreadyExistsException;
+use RonasIT\Support\Generators\ResourceGenerator;
+use RonasIT\Support\Tests\Support\GeneratorMockTrait;
+
+class ResourceGeneratorTest extends TestCase
+{
+    use GeneratorMockTrait;
+
+    public function testResourceAlreadyExists()
+    {
+        $this->mockClass(ResourceGenerator::class, [
+            $this->classExistsMethodCall(['resources', 'PostResource']),
+        ]);
+
+        $this->assertExceptionThrew(
+            className: ClassAlreadyExistsException::class,
+            message: 'Cannot create PostResource cause PostResource already exists. Remove PostResource.',
+        );
+
+        app(ResourceGenerator::class)
+            ->setModel('Post')
+            ->generate();
+    }
+
+    public function testCollectionResourceAlreadyExists()
+    {
+        $this->mockClass(ResourceGenerator::class, [
+            $this->classExistsMethodCall(['resources', 'PostResource'], false),
+            $this->classExistsMethodCall(['resources', 'PostsCollectionResource']),
+        ]);
+
+        $this->assertExceptionThrew(
+            className: ClassAlreadyExistsException::class,
+            message: 'Cannot create PostsCollectionResource cause PostsCollectionResource already exists. '
+            . 'Remove PostsCollectionResource.',
+        );
+
+        app(ResourceGenerator::class)
+            ->setModel('Post')
+            ->generate();
+
+        $this->assertGeneratedFileEquals('post_resource.php', 'app/Http/Resources/Post/PostResource.php');
+
+        $this->assertEventPushed(
+            className: SuccessCreateMessage::class,
+            message: 'Created a new Resource: PostResource',
+        );
+    }
+
+    public function testCreateResources()
+    {
+        app(ResourceGenerator::class)
+            ->setModel('Post')
+            ->generate();
+
+        $this->assertGeneratedFileEquals('post_resource.php', 'app/Http/Resources/Post/PostResource.php');
+        $this->assertGeneratedFileEquals('post_collection_resource.php', 'app/Http/Resources/Post/PostsCollectionResource.php');
+
+        $this->assertEventPushedChain([
+            SuccessCreateMessage::class => [
+                'Created a new Resource: PostResource',
+                'Created a new CollectionResource: PostsCollectionResource',
+            ],
+        ]);
+    }
+
+    public function testCreateResourcesResourceStubNotExist()
+    {
+        config(['entity-generator.stubs.resource' => 'incorrect_stub']);
+
+        app(ResourceGenerator::class)
+            ->setModel('Post')
+            ->generate();
+
+        $this->assertFileDoesNotExist('app/Http/Resources/Post/PostResource.php');
+        $this->assertFileDoesNotExist('app/Http/Resources/Post/PostsCollectionResource.php');
+
+        $this->assertEventPushed(
+            className: WarningEvent::class,
+            message: 'Generation of resource has been skipped cause the view incorrect_stub from the config entity-generator.stubs.resource is not exists. Please check that config has the correct view name value.',
+        );
+    }
+
+    public function testCreateResourcesCollectionResourceStubNotExist()
+    {
+        config(['entity-generator.stubs.collection_resource' => 'incorrect_stub']);
+
+        app(ResourceGenerator::class)
+            ->setModel('Post')
+            ->generate();
+
+        $this->assertGeneratedFileEquals('post_resource.php', 'app/Http/Resources/Post/PostResource.php');
+        $this->assertFileDoesNotExist('app/Http/Resources/Post/PostsCollectionResource.php');
+
+        $this->assertEventPushedChain([
+            SuccessCreateMessage::class => ['Created a new Resource: PostResource'],
+            WarningEvent::class => ['Generation of collection resource has been skipped cause the view incorrect_stub from the config entity-generator.stubs.collection_resource is not exists. Please check that config has the correct view name value.'],
+        ]);
+    }
+}

tests/fixtures/ResourceGeneratorTest/post_collection_resource.php

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+<?php
+
+namespace App\Http\Resources\Post;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class PostsCollectionResource extends ResourceCollection
+{
+    public $collects = PostResource::class;
+}

tests/fixtures/ResourceGeneratorTest/post_resource.php

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+<?php
+
+namespace App\Http\Resources\Post;
+
+use Illuminate\Http\Resources\Json\JsonResource;
+use App\Models\Post;
+
+/**
+ * @property Post $resource
+ */
+class PostResource extends JsonResource
+{
+    public static $wrap = null;
+
+    //TODO implement custom serialization logic or remove method redefining
+    public function toArray($request): array
+    {
+        return parent::toArray($request);
+    }
+}