public async Task ReturnsOutputFromProcess()
{
//arrange
var commandService = Substitute.For <ICommandService>();
commandService.Run(Arg.Any <ProcessStartInfo>()).Returns("file contents");
var reader = new LinuxSignalReader(commandService);
//act
var results = await reader.Read();
//assert
Assert.Equal("file contents", results);
}
public async Task ReturnsDecentMessageWhenNotFound()
{
//arrange
var exception = new Win32Exception(2, "x");
var commandService = Substitute.For <ICommandService>();
commandService.When(c => c.Run(Arg.Any <ProcessStartInfo>())).Throw(exception);
var reader = new LinuxSignalReader(commandService);
try
{
//act
var results = await reader.Read();
}
catch (Exception e)
{
//assert
Assert.Contains("\"wireless-tools\" is installed", e.Message);
Assert.Contains("running as root", e.Message);
}
}