支持在配置文件所在文件夹不存在时，自动创建文件夹

Directory.Build.props

@@ -10,7 +10,6 @@
       <PackageProjectUrl>https://github.com/dotnet-campus/dotnetCampus.Configurations</PackageProjectUrl>
       <RepositoryUrl>https://github.com/dotnet-campus/dotnetCampus.Configurations.git</RepositoryUrl>
       <RepositoryType>git</RepositoryType>
-      <GenerateDocumentationFile>true</GenerateDocumentationFile>
       <LangVersion>latest</LangVersion>
       <Nullable>enable</Nullable>
   </PropertyGroup>

src/dotnetCampus.Configurations/Concurrent/FileDictionarySynchronizer.cs

@@ -44,8 +44,8 @@
         };
 
         private readonly FileInfo _file;
         private readonly Func<IReadOnlyDictionary<TKey, TValue>, string> _serializer;
         private readonly Func<string, IReadOnlyDictionary<TKey, TValue>> _deserializer;
         private readonly FileEqualsComparison _fileEqualsComparison;
 
         /// <summary>
@@ -95,8 +95,8 @@
         /// <param name="deserializer">指定如何从一个字符串反序列化成一个键值集合。</param>
         /// <param name="fileEqualsComparison">指定如何表示文件内容相同或不同。</param>
         public FileDictionarySynchronizer(FileInfo file,
             Func<IReadOnlyDictionary<TKey, TValue>, string> serializer,
             Func<string, IReadOnlyDictionary<TKey, TValue>> deserializer,
             FileEqualsComparison fileEqualsComparison = FileEqualsComparison.WholeTextEquals)
         {
             _file = file ?? throw new ArgumentNullException(nameof(file));
@@ -356,6 +356,10 @@
                 DoIOActionWithRetry(i =>
                 {
                     CT.Log($"正在写入文件(i)：{text.Replace("\r\n", "\\n").Replace("\n", "\\n")}", _file.Name, "Sync");
+                    if (!Directory.Exists(_file.Directory.FullName))
+                    {
+                        _file.Directory.Create();
+                    }
                     using var fileStream = new FileStream(
                         _file.FullName, FileMode.OpenOrCreate,
                         FileAccess.Write, FileShare.None,

tests/dotnetCampus.Configurations.Tests/FileConfigurationRepoTests.cs

@@ -205,6 +205,28 @@ public void SaveAsync()
                 // Assert
                 Assert.IsTrue(File.Exists(coin.FullName));
             });
+
+            "如果没有文件甚至连文件夹也不存在但需要存储数据，那么会创建文件夹和文件。".Test(async () =>
+            {
+                // Arrange
+                var coin = TestUtil.GetTempFile(null, ".coin", "Configs");
+                var directory = new DirectoryInfo(coin.DirectoryName!);
+                if (Directory.Exists(directory.FullName))
+                {
+                    directory.Delete(true);
+                }
+                var repo = CreateIndependentRepo(coin);
+
+                // Act
+                await repo.WriteAsync("Test.Create", "True").ConfigureAwait(false);
+                await repo.SaveAsync().ConfigureAwait(false);
+
+                // Assert
+                Assert.IsTrue(File.Exists(coin.FullName));
+
+                // Clean
+                directory.Delete(true);
+            });
         }
 
         [ContractTestCase]

tests/dotnetCampus.Configurations.Tests/Utils/TestUtil.cs

@@ -22,11 +22,13 @@ public static class TestUtil
         /// <param name="templateFileName">
         /// 如果指定临时文件的模板，则会确保生成的临时文件存在且与模板文件相同；
         /// 如果指定临时文件的模板为 null，则仅会返回一个临时文件的路径，而不会创建文件。</param>
+        /// <param name="relativeFilePath">将此配置文件放入到某文件夹中。</param>
         /// <returns>用于测试的临时文件。</returns>
-        public static FileInfo GetTempFile(string? templateFileName = null, string? extension = null)
+        public static FileInfo GetTempFile(string? templateFileName = null, string? extension = null, string? relativeFilePath = null)
         {
             var newFileName = Path.Combine(
-                Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
+                Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!,
+                relativeFilePath ?? "",
                 Path.GetFileNameWithoutExtension(Path.GetTempFileName()));
             if (!string.IsNullOrWhiteSpace(templateFileName))
             {