public static async Task CanInvokeWithNoArguments()
{
var psi = new ProcessStartInfo("cmd.exe", $"/c @echo {StandardOutputMessage}");
var result = await psi.StartAsync().ConfigureAwait(false);
result.Should().Be(0);
}
public static async Task CanInvokeWithJustCancellationToken()
{
var psi = new ProcessStartInfo("cmd.exe", $"/c @echo {StandardOutputMessage}");
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(2));
var result = await psi.StartAsync(cts.Token).ConfigureAwait(false);
result.Should().Be(0);
}
public static async Task CanInvokeAndMonitorOutput()
{
var psi = new ProcessStartInfo("cmd.exe", $"/c @echo {StandardOutputMessage}");
var helper = new Mock <ITestHelper>();
var result = await psi.StartAsync(helper.Object.Output).ConfigureAwait(false);
result.Should().Be(0);
helper.Verify(h => h.Output(StandardOutputMessage), Times.Once);
helper.Verify(h => h.ProcessStarted(It.IsAny <Process>()), Times.Never);
helper.Verify(h => h.Error(It.IsAny <string>()), Times.Never);
}
public static async Task CanInvokeAndMonitorOutputAndCancellationToken()
{
var psi = new ProcessStartInfo("cmd.exe", $"/c @echo {StandardOutputMessage}");
var helper = new Mock <ITestHelper>();
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(2));
var result = await psi.StartAsync(helper.Object.Output, cts.Token).ConfigureAwait(false);
result.Should().Be(0);
helper.Verify(h => h.Output(StandardOutputMessage), Times.Once);
helper.Verify(h => h.ProcessStarted(It.IsAny <Process>()), Times.Never);
helper.Verify(h => h.Error(It.IsAny <string>()), Times.Never);
}
public static async Task CanInvokeAProcessThatErrorsAndCaptureStatus()
{
var psi = new ProcessStartInfo("cmd.exe", "/c ping 0.0.0.0 -n 1");
var helper = new Mock <ITestHelper>();
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(2));
var result = await psi.StartAsync(
helper.Object.Output,
helper.Object.Error,
helper.Object.ProcessStarted,
cts.Token).ConfigureAwait(false);
result.Should().Be(1);
helper.Verify(h => h.ProcessStarted(It.IsAny <Process>()), Times.Once);
helper.Verify(h => h.Output(It.IsAny <string>()), Times.AtLeastOnce);
helper.Verify(h => h.Error(It.IsAny <string>()), Times.Never);
}
public static async Task CanCancelALongRunningProcess()
{
var psi = new ProcessStartInfo("cmd.exe", "/c ping 127.0.0.1 -n 5");
var helper = new Mock <ITestHelper>();
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(0.5));
var sw = new Stopwatch();
sw.Start();
await Assert.ThrowsAsync <TaskCanceledException>(
() => psi.StartAsync(
helper.Object.Output,
helper.Object.Error,
helper.Object.ProcessStarted,
cts.Token)).ConfigureAwait(false);
sw.Stop();
sw.Elapsed.Should().BeLessThan(TimeSpan.FromSeconds(2));
helper.Verify(h => h.ProcessStarted(It.IsAny <Process>()), Times.Once);
helper.Verify(h => h.Output(It.IsAny <string>()), Times.AtLeastOnce);
helper.Verify(h => h.Error(It.IsAny <string>()), Times.Never);
}
