fix: Add null conditional on find parent directory (#1556)

joshuaseither · web-flow · commit 51788a1ff308 · 2023-08-02T11:05:20.000-07:00
Add operator to prevent null exception if no directory is found
diff --git a/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/LocalLambdaOptions.cs b/Tools/LambdaTestTool/src/Amazon.Lambda.TestTool/LocalLambdaOptions.cs
@@ -63,7 +63,7 @@ public string GetPreferenceDirectory(bool createIfNotExist)
             var currentDirectory = this.LambdaRuntime.LambdaAssemblyDirectory;
             while (currentDirectory != null && !Utils.IsProjectDirectory(currentDirectory))
             {
-                currentDirectory = Directory.GetParent(currentDirectory).FullName;
+                currentDirectory = Directory.GetParent(currentDirectory)?.FullName;
             }
 
             if (currentDirectory == null)

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,7 @@ public string GetPreferenceDirectory(bool createIfNotExist)`
`63`	`63`	`var currentDirectory = this.LambdaRuntime.LambdaAssemblyDirectory;`
`64`	`64`	`while (currentDirectory != null && !Utils.IsProjectDirectory(currentDirectory))`
`65`	`65`	`{`
`66`		`- currentDirectory = Directory.GetParent(currentDirectory).FullName;`
	`66`	`+ currentDirectory = Directory.GetParent(currentDirectory)?.FullName;`
`67`	`67`	`}`
`68`	`68`
`69`	`69`	`if (currentDirectory == null)`