61 lines
2.3 KiB
C#
61 lines
2.3 KiB
C#
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Diagnostics;
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using System.IO;
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using Xunit;
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using Xunit.Abstractions;
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namespace Microsoft.DotNet.SourceBuild.SmokeTests;
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public class DotNetWatchTests : SmokeTests
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{
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public DotNetWatchTests(ITestOutputHelper outputHelper) : base(outputHelper) { }
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[Fact]
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public void WatchTests()
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{
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string projectDirectory = DotNetHelper.ExecuteNew(DotNetTemplate.Console.GetName(), nameof(DotNetWatchTests));
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bool outputChanged = false;
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// We expect an exit code of 143 (128 + 15, i.e. SIGTERM) because we are killing the process manually
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DotNetHelper.ExecuteCmd(
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"watch run",
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workingDirectory: projectDirectory,
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additionalProcessConfigCallback: processConfigCallback,
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expectedExitCode: 143,
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millisecondTimeout: 30000);
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Assert.True(outputChanged);
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void processConfigCallback(Process process)
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{
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const string waitingString = "Waiting for a file to change before restarting dotnet...";
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const string expectedString = "Hello from dotnet watch!";
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bool fileChanged = false;
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process.OutputDataReceived += new DataReceivedEventHandler((sender, e) =>
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{
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if (e.Data?.Contains(waitingString) ?? false)
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{
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if (!fileChanged) {
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OutputHelper.WriteLine("Program started, changing file on disk to trigger restart...");
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File.WriteAllText(
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Path.Combine(projectDirectory, "Program.cs"),
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File.ReadAllText(Path.Combine(projectDirectory, "Program.cs")).Replace("Hello, World!", expectedString));
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fileChanged = true;
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}
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}
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else if (e.Data?.Contains(expectedString) ?? false)
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{
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outputChanged = true;
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OutputHelper.WriteLine("Successfully re-ran program after code change.");
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ExecuteHelper.ExecuteProcessValidateExitCode("kill", $"-s TERM {process.Id}", OutputHelper);
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}
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});
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}
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}
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}
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