87 lines
2.8 KiB
C#
87 lines
2.8 KiB
C#
// <copyright file="EnabledOnDockerPlatformTheoryAttribute.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System.Diagnostics;
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using System.Text;
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using Xunit;
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namespace OpenTelemetry.Tests;
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/// <summary>
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/// This <see cref="TheoryAttribute" /> skips tests if the required Docker engine is not available.
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/// </summary>
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internal class EnabledOnDockerPlatformTheoryAttribute : TheoryAttribute
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="EnabledOnDockerPlatformTheoryAttribute" /> class.
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/// </summary>
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public EnabledOnDockerPlatformTheoryAttribute(DockerPlatform dockerPlatform)
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{
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const string executable = "docker";
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var stdout = new StringBuilder();
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var stderr = new StringBuilder();
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void AppendStdout(object sender, DataReceivedEventArgs e) => stdout.Append(e.Data);
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void AppendStderr(object sender, DataReceivedEventArgs e) => stderr.Append(e.Data);
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var processStartInfo = new ProcessStartInfo();
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processStartInfo.FileName = executable;
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processStartInfo.Arguments = string.Join(" ", "version", "--format '{{.Server.Os}}'");
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processStartInfo.RedirectStandardOutput = true;
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processStartInfo.RedirectStandardError = true;
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processStartInfo.UseShellExecute = false;
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var process = new Process();
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process.StartInfo = processStartInfo;
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process.OutputDataReceived += AppendStdout;
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process.ErrorDataReceived += AppendStderr;
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try
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{
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process.Start();
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process.BeginOutputReadLine();
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process.BeginErrorReadLine();
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process.WaitForExit();
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}
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finally
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{
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process.OutputDataReceived -= AppendStdout;
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process.ErrorDataReceived -= AppendStderr;
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}
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if (0.Equals(process.ExitCode) && stdout.ToString().Contains(dockerPlatform.ToString().ToLowerInvariant()))
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{
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return;
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}
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this.Skip = $"The Docker {dockerPlatform} engine is not available.";
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}
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public enum DockerPlatform
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{
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/// <summary>
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/// Docker Linux engine.
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/// </summary>
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Linux,
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/// <summary>
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/// Docker Windows engine.
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/// </summary>
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Windows,
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}
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}
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