ensure Store return null if file is not cached

Author: mateussiqueira

flutter_cache_manager/.flutter-plugins-dependencies

@@ -0,0 +1 @@
+{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"path_provider_ios","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/path_provider_ios-2.0.10/","native_build":true,"dependencies":[]},{"name":"sqflite","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/sqflite-2.0.3/","native_build":true,"dependencies":[]}],"android":[{"name":"path_provider_android","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/path_provider_android-2.0.16/","native_build":true,"dependencies":[]},{"name":"sqflite","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/sqflite-2.0.3/","native_build":true,"dependencies":[]}],"macos":[{"name":"path_provider_macos","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/path_provider_macos-2.0.6/","native_build":true,"dependencies":[]},{"name":"sqflite","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/sqflite-2.0.3/","native_build":true,"dependencies":[]}],"linux":[{"name":"path_provider_linux","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.7/","native_build":false,"dependencies":[]}],"windows":[{"name":"path_provider_windows","path":"/Users/mateussiqueira/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.1.0/","native_build":false,"dependencies":[]}],"web":[]},"dependencyGraph":[{"name":"path_provider","dependencies":["path_provider_android","path_provider_ios","path_provider_linux","path_provider_macos","path_provider_windows"]},{"name":"path_provider_android","dependencies":[]},{"name":"path_provider_ios","dependencies":[]},{"name":"path_provider_linux","dependencies":[]},{"name":"path_provider_macos","dependencies":[]},{"name":"path_provider_windows","dependencies":[]},{"name":"sqflite","dependencies":[]}],"date_created":"2022-07-26 10:05:46.413539","version":"3.0.4"}

flutter_cache_manager/example/lib/generated_plugin_registrant.dart

@@ -0,0 +1,17 @@
+//
+// Generated file. Do not edit.
+//
+
+// ignore_for_file: directives_ordering
+// ignore_for_file: lines_longer_than_80_chars
+// ignore_for_file: depend_on_referenced_packages
+
+import 'package:url_launcher_web/url_launcher_web.dart';
+
+import 'package:flutter_web_plugins/flutter_web_plugins.dart';
+
+// ignore: public_member_api_docs
+void registerPlugins(Registrar registrar) {
+  UrlLauncherPlugin.registerWith(registrar);
+  registrar.registerMessageHandler();
+}

flutter_cache_manager/lib/src/cache_store.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'dart:io' as io;
 import 'package:flutter_cache_manager/src/storage/file_system/file_system.dart';
 
 ///Flutter Cache Manager
@@ -181,8 +182,9 @@ class CacheStore {
     if (_futureCache.containsKey(cacheObject.key)) {
       _futureCache.remove(cacheObject.key);
     }
-    final file = await fileSystem.createFile(cacheObject.relativePath);
-    if (await file.exists()) {
+    final file = io.File(cacheObject.relativePath);
+
+    if (file.existsSync()) {
       await file.delete();
     }
   }

flutter_cache_manager/test/cache_store_test.dart

@@ -11,6 +11,27 @@ import 'helpers/mock_cache_info_repository.dart';
 import 'helpers/test_configuration.dart';
 
 void main() {
+  late int fileId;
+  late String fileName;
+  late String fileUrl;
+  late DateTime validTill;
+
+  late CacheObject cacheObject;
+
+  setUp(() {
+    fileId = 666;
+    fileName = 'testimage.png';
+    fileUrl = 'baseflow.com/test.png';
+    validTill = DateTime(2017, 9, 7, 17, 30);
+
+    cacheObject = CacheObject(
+      fileUrl,
+      relativePath: fileName,
+      id: fileId,
+      validTill: validTill,
+    );
+  });
+
   group('Retrieving files from store', () {
     test('Store should return null when file not cached', () async {
       var repo = MockCacheInfoRepository();
@@ -36,6 +57,28 @@ void main() {
       expect(await store.getFile('baseflow.com/test.png'), isNotNull);
     });
 
+    test('Store should return null if file is not cached', () async {
+      var config = createTestConfig();
+      await config.returnsFile(fileName);
+      config.returnsCacheObject(fileUrl, fileName, validTill,
+          id: fileId, key: fileUrl);
+
+      var tempDir = createDir();
+      await (await tempDir).childFile('testimage.png').create();
+
+      final store = CacheStore(config);
+
+      final _results = Future.wait([
+        store.removeCachedFile(cacheObject),
+        store.removeCachedFile(cacheObject),
+      ]);
+
+      expect(
+        () => _results,
+        returnsNormally,
+      );
+    });
+
     test('Store should return null when file is no longer cached', () async {
       var repo = MockCacheInfoRepository();