Mongolid\DataMapper\DataMapperTest::testShouldGetFirstWithQuery PHP Method

    public function testShouldGetFirstWithQuery()
    {
        // Arrange
        $connPool = m::mock(Pool::class);
        $mapper = m::mock(DataMapper::class . '[prepareValueQuery,getCollection]', [$connPool]);
        $schema = m::mock(Schema::class);
        $converter = m::mock(Converter::class . '[toDomainTypes]');
        $collection = m::mock(Collection::class);
        $query = 123;
        $preparedQuery = ['_id' => 123];
        $schema->entityClass = 'stdClass';
        $mapper->setSchema($schema);
        $mapper->shouldAllowMockingProtectedMethods();
        // Act
        Ioc::instance(Converter::class, $converter);
        $mapper->shouldReceive('prepareValueQuery')->once()->with($query)->andReturn($preparedQuery);
        $mapper->shouldReceive('getCollection')->once()->andReturn($collection);
        $collection->shouldReceive('findOne')->once()->with($preparedQuery, ['projection' => []])->andReturn(['name' => 'John Doe']);
        $converter->shouldReceive('toDomainTypes')->once()->with(['name' => 'John Doe'])->passthru();
        $result = $mapper->first($query);
        // Assert
        $this->assertInstanceOf(stdClass::class, $result);
        $this->assertAttributeEquals('John Doe', 'name', $result);
    }