Optimizes performance of MockDirectory.Exists (#704)

schibu007 · Samuel Bernhard · web-flow · commit 76d9a2bd3d7d · 2021-02-22T22:22:48.000+01:00
Co-authored-by: Samuel Bernhard &lt;sbernhard@hamilton.ch&gt;
diff --git a/src/System.IO.Abstractions.TestingHelpers/MockDirectory.cs b/src/System.IO.Abstractions.TestingHelpers/MockDirectory.cs
@@ -118,7 +118,7 @@ public override bool Exists(string path)
             {
                 path = path.TrimSlashes();
                 path = mockFileDataAccessor.Path.GetFullPath(path);
-                return mockFileDataAccessor.AllDirectories.Any(p => mockFileDataAccessor.StringOperations.Equals(p, path));
+                return mockFileDataAccessor.GetFile(path)?.IsDirectory ?? false;
             }
             catch (Exception)
             {

Original file line number	Diff line number	Diff line change
`@@ -118,7 +118,7 @@ public override bool Exists(string path)`
`118`	`118`	`{`
`119`	`119`	`path = path.TrimSlashes();`
`120`	`120`	`path = mockFileDataAccessor.Path.GetFullPath(path);`
`121`		`- return mockFileDataAccessor.AllDirectories.Any(p => mockFileDataAccessor.StringOperations.Equals(p, path));`
	`121`	`+ return mockFileDataAccessor.GetFile(path)?.IsDirectory ?? false;`
`122`	`122`	`}`
`123`	`123`	`catch (Exception)`
`124`	`124`	`{`