From 3d517f419d2832298121dd05188012a395840dc1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Valentin=20Breu=C3=9F?= <vbreuss@gmail.com>
Date: Mon, 22 Jan 2024 10:50:43 +0100
Subject: [PATCH] fix: use correct path for wrapped `FileInfo` and
 `DirectoryInfo` (#1079)

Use the full path when wrapping a `FileInfo` or `DirectoryInfo` to preserve the relevant information.

*Fixes #1049*
---
 .../MockDirectoryInfoFactory.cs                       |  2 +-
 .../MockFileInfoFactory.cs                            |  2 +-
 .../MockDirectoryInfoFactoryTests.cs                  | 11 +++++++++++
 .../MockFileInfoFactoryTests.cs                       | 11 +++++++++++
 4 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockDirectoryInfoFactory.cs b/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockDirectoryInfoFactory.cs
index 14c3e655c..7067a231d 100644
--- a/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockDirectoryInfoFactory.cs
+++ b/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockDirectoryInfoFactory.cs
@@ -40,7 +40,7 @@ public IDirectoryInfo Wrap(DirectoryInfo directoryInfo)
                 return null;
             }
 
-            return new MockDirectoryInfo(mockFileSystem, directoryInfo.Name);
+            return new MockDirectoryInfo(mockFileSystem, directoryInfo.FullName);
         }
     }
 }
\ No newline at end of file
diff --git a/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockFileInfoFactory.cs b/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockFileInfoFactory.cs
index d3bae8c9a..7c75e9014 100644
--- a/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockFileInfoFactory.cs
+++ b/src/TestableIO.System.IO.Abstractions.TestingHelpers/MockFileInfoFactory.cs
@@ -39,7 +39,7 @@ public IFileInfo Wrap(FileInfo fileInfo)
                 return null;
             }
 
-            return new MockFileInfo(mockFileSystem, fileInfo.Name);
+            return new MockFileInfo(mockFileSystem, fileInfo.FullName);
         }
     }
 }
\ No newline at end of file
diff --git a/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryInfoFactoryTests.cs b/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryInfoFactoryTests.cs
index a5430e5e9..2c4a4f590 100644
--- a/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryInfoFactoryTests.cs
+++ b/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockDirectoryInfoFactoryTests.cs
@@ -14,5 +14,16 @@ public void MockDirectoryInfoFactory_Wrap_WithNull_ShouldReturnNull()
             
             Assert.That(result, Is.Null);
         }
+
+        [Test]
+        public void MockDirectoryInfoFactory_Wrap_ShouldKeepNameAndFullName()
+        {
+            var fs = new MockFileSystem();
+            var directoryInfo = new DirectoryInfo(@"C:\subfolder\file");
+            var wrappedDirectoryInfo = fs.DirectoryInfo.Wrap(directoryInfo);
+
+            Assert.That(wrappedDirectoryInfo.FullName, Is.EqualTo(directoryInfo.FullName));
+            Assert.That(wrappedDirectoryInfo.Name, Is.EqualTo(directoryInfo.Name));
+        }
     }
 }
diff --git a/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockFileInfoFactoryTests.cs b/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockFileInfoFactoryTests.cs
index 291083f48..fae4700e6 100644
--- a/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockFileInfoFactoryTests.cs
+++ b/tests/TestableIO.System.IO.Abstractions.TestingHelpers.Tests/MockFileInfoFactoryTests.cs
@@ -51,5 +51,16 @@ public void MockFileInfoFactory_Wrap_WithNull_ShouldReturnNull()
 
             Assert.That(result, Is.Null);
         }
+
+        [Test]
+        public void MockFileInfoFactory_Wrap_ShouldKeepNameAndFullName()
+        {
+            var fs = new MockFileSystem();
+            var fileInfo = new FileInfo(@"C:\subfolder\file");
+            var wrappedFileInfo = fs.FileInfo.Wrap(fileInfo);
+
+            Assert.That(wrappedFileInfo.FullName, Is.EqualTo(fileInfo.FullName));
+            Assert.That(wrappedFileInfo.Name, Is.EqualTo(fileInfo.Name));
+        }
     }
 }
\ No newline at end of file