[Models] Fixed wrong imported name (#993)

* Fixes 992 (class names in phpdoc where using imported names incorrectly when writing to external file).
Disabled using imported name in external file, except for the models own name.

* Added missing declare strict types

tests/Console/ModelsCommand/GeneratePhpdocWithFqnInExternalFile/Test.php

@@ -0,0 +1,54 @@
+<?php declare(strict_types=1);
+
+namespace Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\GeneratePhpdocWithFqnInExternalFile;
+
+use Barryvdh\LaravelIdeHelper\Console\ModelsCommand;
+use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\AbstractModelsCommand;
+use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\GeneratePhpdocWithFqn\Models\Post;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Filesystem\Filesystem;
+use Mockery;
+
+class Test extends AbstractModelsCommand
+{
+    protected function getEnvironmentSetUp($app)
+    {
+        parent::getEnvironmentSetUp($app);
+
+        $app['config']->set('ide-helper', [
+            'model_locations' => [
+                // This is calculated from the base_path() which points to
+                // vendor/orchestra/testbench-core/laravel
+                '/../../../../tests/Console/ModelsCommand/GeneratePhpdocWithFqnInExternalFile/Models',
+            ],
+        ]);
+    }
+
+    public function test(): void
+    {
+        $actualContent = null;
+        $mockFilesystem = Mockery::mock(Filesystem::class);
+        $mockFilesystem
+            ->shouldReceive('put')
+            ->with(
+                Mockery::any(),
+                Mockery::capture($actualContent)
+            )
+            ->andReturn(1) // Simulate we wrote _something_ to the file
+            ->once();
+
+        $this->instance(Filesystem::class, $mockFilesystem);
+
+        $command = $this->app->make(ModelsCommand::class);
+
+        $tester = $this->runCommand($command, [
+            '--nowrite' => true,
+        ]);
+
+        $this->assertSame(0, $tester->getStatusCode());
+        $this->assertEmpty($tester->getDisplay());
+        $this->assertMatchesPhpSnapshot($actualContent);
+    }
+}