/** * @dataProvider provideMimeTypesAndExtensions * @test */ public function mimeTypesShouldResolveToExtensions($mimeType, $expectedExtension) { $mimeTypes = new MimeTypes(); $extensions = $mimeTypes->mimeTypeToExtensions($mimeType); $this->assertGreaterThanOrEqual(1, count($extensions)); $this->assertContains($expectedExtension, $extensions); }