public async Task WhenCallingCanRun_ShouldOnlyCallExternalProcessOnce()
{
var nuKeeperLogger = Substitute.For <INuKeeperLogger>();
var externalProcess = Substitute.For <IExternalProcess>();
externalProcess.Run("", "mono", "--version", false).
Returns(new ProcessOutput("", "", 0));
var monoExecutor = new MonoExecutor(nuKeeperLogger, externalProcess);
await monoExecutor.CanRun();
await monoExecutor.CanRun();
await monoExecutor.CanRun();
await externalProcess.Received(1).Run(
"",
"mono",
"--version",
false);
}
public async Task WhenCallingCanRun_ShouldCheckExternalProcessResult(int exitCode, bool expectedCanExecute)
{
var nuKeeperLogger = Substitute.For <INuKeeperLogger>();
var externalProcess = Substitute.For <IExternalProcess>();
externalProcess.Run("", "mono", "--version", false).
Returns(new ProcessOutput("", "", exitCode));
var monoExecutor = new MonoExecutor(nuKeeperLogger, externalProcess);
var canRun = await monoExecutor.CanRun();
Assert.AreEqual(expectedCanExecute, canRun);
}