Add tests to cover morphTo with hybrid MongoDB and SQL

tests/HybridRelationsTest.php

@@ -7,8 +7,10 @@
 use Illuminate\Database\SQLiteConnection;
 use Illuminate\Support\Facades\DB;
 use MongoDB\Laravel\Tests\Models\Book;
+use MongoDB\Laravel\Tests\Models\Photo;
 use MongoDB\Laravel\Tests\Models\Role;
 use MongoDB\Laravel\Tests\Models\SqlBook;
+use MongoDB\Laravel\Tests\Models\SqlPhoto;
 use MongoDB\Laravel\Tests\Models\SqlRole;
 use MongoDB\Laravel\Tests\Models\SqlUser;
 use MongoDB\Laravel\Tests\Models\User;
@@ -29,13 +31,18 @@ public function setUp(): void
         SqlUser::executeSchema();
         SqlBook::executeSchema();
         SqlRole::executeSchema();
+        SqlPhoto::executeSchema();
     }
 
     public function tearDown(): void
     {
         SqlUser::truncate();
         SqlBook::truncate();
         SqlRole::truncate();
+        SqlPhoto::truncate();
+        Photo::truncate();
+        Book::truncate();
+        User::truncate();
     }
 
     public function testSqlRelations()
@@ -210,4 +217,63 @@ public function testHybridWith()
                 $this->assertEquals($user->id, $user->books->count());
             });
     }
+
+    public function testHybridMorphToMongoDB(): void
+    {
+        $user = SqlUser::create(['name' => 'John Doe']);
+
+        $photo = Photo::create(['url' => 'http://graph.facebook.com/john.doe/picture']);
+        $photo = $user->photos()->save($photo);
+
+        $this->assertEquals(1, $user->photos->count());
+        $this->assertEquals($photo->id, $user->photos->first()->id);
+
+        $user = SqlUser::find($user->id);
+        $this->assertEquals(1, $user->photos->count());
+        $this->assertEquals($photo->id, $user->photos->first()->id);
+
+        $book = SqlBook::create(['title' => 'Game of Thrones']);
+        $photo = Photo::create(['url' => 'http://graph.facebook.com/gameofthrones/picture']);
+        $book->photo()->save($photo);
+
+        $this->assertNotNull($book->photo);
+        $this->assertEquals($photo->id, $book->photo->id);
+
+        $book = SqlBook::where('title', $book->title)->get()->first();
+        $this->assertNotNull($book->photo);
+        $this->assertEquals($photo->id, $book->photo->id);
+
+        $photo = Photo::first();
+        $this->assertEquals($photo->hasImage->name, $user->name);
+    }
+
+    public function testHybridMorphToSql(): void
+    {
+        $user = User::create(['name' => 'John Doe']);
+
+        $photo = SqlPhoto::create(['url' => 'http://graph.facebook.com/john.doe/picture']);
+        $photo->save();
+        $photo = $user->photos()->save($photo);
+
+        $this->assertEquals(1, $user->photos->count());
+        $this->assertEquals($photo->id, $user->photos->first()->id);
+
+        $user = User::find($user->id);
+        $this->assertEquals(1, $user->photos->count());
+        $this->assertEquals($photo->id, $user->photos->first()->id);
+
+        $book = Book::create(['title' => 'Game of Thrones']);
+        $photo = SqlPhoto::create(['url' => 'http://graph.facebook.com/gameofthrones/picture']);
+        $book->photo()->save($photo);
+
+        $this->assertNotNull($book->photo);
+        $this->assertEquals($photo->id, $book->photo->id);
+
+        $book = Book::where('title', $book->title)->get()->first();
+        $this->assertNotNull($book->photo);
+        $this->assertEquals($photo->id, $book->photo->id);
+
+        $photo = SqlPhoto::first();
+        $this->assertEquals($photo->hasImage->name, $user->name);
+    }
 }

tests/Models/Book.php

@@ -5,6 +5,7 @@
 namespace MongoDB\Laravel\Tests\Models;
 
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 use MongoDB\Laravel\Eloquent\Model as Eloquent;
 
 /**
@@ -28,4 +29,9 @@ public function sqlAuthor(): BelongsTo
     {
         return $this->belongsTo(SqlUser::class, 'author_id');
     }
+
+    public function photo(): MorphOne
+    {
+        return $this->morphOne(SqlPhoto::class, 'has_image');
+    }
 }

tests/Models/SqlBook.php

@@ -6,6 +6,7 @@
 
 use Illuminate\Database\Eloquent\Model as EloquentModel;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Database\Schema\SQLiteBuilder;
 use Illuminate\Support\Facades\Schema;
@@ -17,16 +18,23 @@ class SqlBook extends EloquentModel
 {
     use HybridRelations;
 
-    protected $connection       = 'sqlite';
-    protected $table            = 'books';
+    protected $connection = 'sqlite';
+    protected $table = 'book';
     protected static $unguarded = true;
-    protected $primaryKey       = 'title';
+    protected $primaryKey = 'title';
+    public $incrementing = false;
+    protected $casts = ['title' => 'string'];
 
     public function author(): BelongsTo
     {
         return $this->belongsTo(User::class, 'author_id');
     }
 
+    public function photo(): MorphOne
+    {
+        return $this->morphOne(Photo::class, 'has_image');
+    }
+
     /**
      * Check if we need to run the schema.
      */
@@ -35,8 +43,8 @@ public static function executeSchema(): void
         $schema = Schema::connection('sqlite');
         assert($schema instanceof SQLiteBuilder);
 
-        $schema->dropIfExists('books');
-        $schema->create('books', function (Blueprint $table) {
+        $schema->dropIfExists('book');
+        $schema->create('book', function (Blueprint $table) {
             $table->string('title');
             $table->string('author_id')->nullable();
             $table->integer('sql_user_id')->unsigned()->nullable();

tests/Models/SqlPhoto.php

@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MongoDB\Laravel\Tests\Models;
+
+use Illuminate\Database\Eloquent\Model as EloquentModel;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\SQLiteBuilder;
+use Illuminate\Support\Facades\Schema;
+use MongoDB\Laravel\Eloquent\HybridRelations;
+use MongoDB\Laravel\Relations\MorphTo;
+
+use function assert;
+
+class SqlPhoto extends EloquentModel
+{
+    use HybridRelations;
+
+    protected $connection       = 'sqlite';
+    protected $table            = 'photo';
+    protected $fillable = ['url'];
+
+    public function hasImage(): MorphTo
+    {
+        return $this->morphTo();
+    }
+
+    /**
+     * Check if we need to run the schema.
+     */
+    public static function executeSchema()
+    {
+        $schema = Schema::connection('sqlite');
+        assert($schema instanceof SQLiteBuilder);
+
+        $schema->dropIfExists('photo');
+        $schema->create('photo', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('url');
+            $table->string('has_image_id')->nullable();
+            $table->string('has_image_type')->nullable();
+            $table->timestamps();
+        });
+    }
+}

tests/Models/SqlRole.php

@@ -18,7 +18,7 @@ class SqlRole extends EloquentModel
     use HybridRelations;
 
     protected $connection       = 'sqlite';
-    protected $table            = 'roles';
+    protected $table            = 'role';
     protected static $unguarded = true;
 
     public function user(): BelongsTo
@@ -39,8 +39,8 @@ public static function executeSchema()
         $schema = Schema::connection('sqlite');
         assert($schema instanceof SQLiteBuilder);
 
-        $schema->dropIfExists('roles');
-        $schema->create('roles', function (Blueprint $table) {
+        $schema->dropIfExists('role');
+        $schema->create('role', function (Blueprint $table) {
             $table->string('type');
             $table->string('user_id');
             $table->timestamps();

tests/Models/SqlUser.php

@@ -11,6 +11,7 @@
 use Illuminate\Database\Schema\SQLiteBuilder;
 use Illuminate\Support\Facades\Schema;
 use MongoDB\Laravel\Eloquent\HybridRelations;
+use MongoDB\Laravel\Relations\MorphMany;
 
 use function assert;
 
@@ -19,7 +20,7 @@ class SqlUser extends EloquentModel
     use HybridRelations;
 
     protected $connection       = 'sqlite';
-    protected $table            = 'users';
+    protected $table            = 'user';
     protected static $unguarded = true;
 
     public function books(): HasMany
@@ -32,6 +33,11 @@ public function role(): HasOne
         return $this->hasOne(Role::class);
     }
 
+    public function photos(): MorphMany
+    {
+        return $this->morphMany(Photo::class, 'has_image');
+    }
+
     public function sqlBooks(): HasMany
     {
         return $this->hasMany(SqlBook::class);
@@ -45,8 +51,8 @@ public static function executeSchema(): void
         $schema = Schema::connection('sqlite');
         assert($schema instanceof SQLiteBuilder);
 
-        $schema->dropIfExists('users');
-        $schema->create('users', function (Blueprint $table) {
+        $schema->dropIfExists('user');
+        $schema->create('user', function (Blueprint $table) {
             $table->increments('id');
             $table->string('name');
             $table->timestamps();

tests/Models/User.php

@@ -17,6 +17,8 @@
 use MongoDB\Laravel\Eloquent\HybridRelations;
 use MongoDB\Laravel\Eloquent\MassPrunable;
 use MongoDB\Laravel\Eloquent\Model as Eloquent;
+use MongoDB\Laravel\Relations\EmbedsMany;
+use MongoDB\Laravel\Relations\MorphMany;
 
 /**
  * @property string $_id
@@ -91,12 +93,12 @@ public function groups()
         return $this->belongsToMany(Group::class, 'groups', 'users', 'groups', '_id', '_id', 'groups');
     }
 
-    public function photos()
+    public function photos(): MorphMany
     {
         return $this->morphMany(Photo::class, 'has_image');
     }
 
-    public function addresses()
+    public function addresses(): EmbedsMany
     {
         return $this->embedsMany(Address::class);
     }