public void TestResolveEnvironmentVariable()
{
var randomVariable = string.Format("TestVariable{0:yyyyMMddhhmmss}", DateTime.Now);
string value = Utility.ResolveEnvironmentVariable(randomVariable);
Assert.Null(value);
Environment.SetEnvironmentVariable(randomVariable, randomVariable, EnvironmentVariableTarget.Machine);
//By default, Utility.ResolveEnvironmentVariable use dotnet core GetEnvironmentVariable which resolves to process variable so this should not resolve
value = Utility.ResolveEnvironmentVariable(randomVariable);
Assert.Null(value);
WindowsStartup.Start(); //This attach the Windows version of ResolveEnvironmentVariable
value = Utility.ResolveEnvironmentVariable(randomVariable);
Assert.NotEmpty(value);
//Clean up
Environment.SetEnvironmentVariable(randomVariable, null, EnvironmentVariableTarget.Machine);
}
