feat(configmanager): add IFileSystem abstraction

Add file system abstraction to enable testability for file operations. - IFileSystem interface with common file operations - FileSystem implementation wrapping System.IO - Unit tests for FileExists functionality
2026-01-19 17:33:39 -05:00
parent 54d4fd0eb6
commit c055bc6c78
3 changed files with 99 additions and 0 deletions
@@ -0,0 +1,40 @@
+using JdeScoping.ConfigManager.Services;
+
+namespace JdeScoping.ConfigManager.Tests.Services;
+
+public class FileSystemTests
+{
+    [Fact]
+    public void FileExists_WithExistingFile_ReturnsTrue()
+    {
+        // Arrange
+        var sut = new FileSystem();
+        var tempFile = Path.GetTempFileName();
+
+        try
+        {
+            // Act
+            var result = sut.FileExists(tempFile);
+
+            // Assert
+            result.ShouldBeTrue();
+        }
+        finally
+        {
+            File.Delete(tempFile);
+        }
+    }
+
+    [Fact]
+    public void FileExists_WithNonExistingFile_ReturnsFalse()
+    {
+        // Arrange
+        var sut = new FileSystem();
+
+        // Act
+        var result = sut.FileExists("/nonexistent/path/file.txt");
+
+        // Assert
+        result.ShouldBeFalse();
+    }
+}