coverage: Add tests for correct update of the exists cache for IFileI…

…nfo and IDirectoryInfo (#313) When creating a File or Directory the "Exists" property should only update for the item where `Create()` was called. --------- Co-authored-by: Valentin Breuß <[email protected]>
Testably · May 21, 2023 · 14d980a · 14d980a
1 parent f209d46
commit 14d980a
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Showing 2 changed files with 43 additions and 6 deletions.
diff --git a/Tests/Testably.Abstractions.Tests/FileSystem/DirectoryInfo/CreateTests.cs b/Tests/Testably.Abstractions.Tests/FileSystem/DirectoryInfo/CreateTests.cs
@@ -74,6 +74,35 @@ public void Create_ShouldCreateParentDirectories()
 		result.ToString().Should().Be(path);
 	}
 
+	[SkippableTheory]
+	[AutoData]
+	public void Create_ShouldRefreshExistsCacheForCurrentItem_ExceptOnNetFramework(string path)
+	{
+		IDirectoryInfo sut1 = FileSystem.DirectoryInfo.New(path);
+		IDirectoryInfo sut2 = FileSystem.DirectoryInfo.New(path);
+		IDirectoryInfo sut3 = FileSystem.DirectoryInfo.New(path);
+		sut1.Exists.Should().BeFalse();
+		sut2.Exists.Should().BeFalse();
+		// Do not call Exists for `sut3`
+
+		sut1.Create();
+
+		if (Test.IsNetFramework)
+		{
+			sut1.Exists.Should().BeFalse();
+			sut2.Exists.Should().BeFalse();
+			sut3.Exists.Should().BeFalse();
+		}
+		else
+		{
+			sut1.Exists.Should().BeTrue();
+			sut2.Exists.Should().BeFalse();
+			sut3.Exists.Should().BeTrue();
+		}
+
+		FileSystem.Directory.Exists(path).Should().BeTrue();
+	}
+
 	[SkippableTheory]
 	[InlineData("")]
 	[InlineData("/")]

diff --git a/Tests/Testably.Abstractions.Tests/FileSystem/FileInfo/CreateTests.cs b/Tests/Testably.Abstractions.Tests/FileSystem/FileInfo/CreateTests.cs
@@ -21,20 +21,28 @@ public void Create_MissingFile_ShouldCreateFile(string path)
 
 	[SkippableTheory]
 	[AutoData]
-	public void Create_ShouldRefreshExistsCache_ExceptOnNetFramework(string path)
+	public void Create_ShouldRefreshExistsCacheForCurrentItem_ExceptOnNetFramework(string path)
 	{
-		IFileInfo sut = FileSystem.FileInfo.New(path);
-		sut.Exists.Should().BeFalse();
+		IFileInfo sut1 = FileSystem.FileInfo.New(path);
+		IFileInfo sut2 = FileSystem.FileInfo.New(path);
+		IFileInfo sut3 = FileSystem.FileInfo.New(path);
+		sut1.Exists.Should().BeFalse();
+		sut2.Exists.Should().BeFalse();
+		// Do not call Exists for `sut3`
 
-		using FileSystemStream stream = sut.Create();
+		using FileSystemStream stream = sut1.Create();
 
 		if (Test.IsNetFramework)
 		{
-			sut.Exists.Should().BeFalse();
+			sut1.Exists.Should().BeFalse();
+			sut2.Exists.Should().BeFalse();
+			sut3.Exists.Should().BeFalse();
 		}
 		else
 		{
-			sut.Exists.Should().BeTrue();
+			sut1.Exists.Should().BeTrue();
+			sut2.Exists.Should().BeFalse();
+			sut3.Exists.Should().BeTrue();
 		}
 
 		FileSystem.File.Exists(path).Should().BeTrue();