100 lines
3.8 KiB
C#
100 lines
3.8 KiB
C#
// <copyright file="W3CTraceContextTests.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 OpenTelemetry.Tests;
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using Xunit;
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using Xunit.Abstractions;
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namespace OpenTelemetry.Instrumentation.W3cTraceContext.Tests
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{
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public class W3CTraceContextTests
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{
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/*
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To run the tests, invoke docker-compose.yml from the root of the repo:
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opentelemetry>docker-compose --file=test/OpenTelemetry.Instrumentation.W3cTraceContext.Tests/docker-compose.yml --project-directory=. up --exit-code-from=tests --build
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*/
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private const string W3cTraceContextEnvVarName = "OTEL_W3CTRACECONTEXT";
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private readonly ITestOutputHelper output;
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public W3CTraceContextTests(ITestOutputHelper output)
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{
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this.output = output;
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}
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[Trait("CategoryName", "W3CTraceContextTests")]
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[SkipUnlessEnvVarFoundTheory(W3cTraceContextEnvVarName)]
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[InlineData("placeholder")]
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Usage", "xUnit1026:Theory methods should use all of their parameters", Justification = "Need to use SkipUnlessEnvVarFoundTheory")]
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public void W3CTraceContextTestSuite(string value)
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{
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// Arrange
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using var server = new InProcessServer(this.output);
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// Act
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// Run Python script in test folder of W3C Trace Context repository
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string result = RunCommand("python", "trace-context/test/test.py http://127.0.0.1:5000/api/forward");
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// Assert
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// Assert on the last line
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// TODO: fix W3C Trace Context test suite
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// ASP NET Core 2.1: FAILED (failures=1)
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// ASP NET Core 3.1: FAILED (failures=3)
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// ASP NET Core 5.0: FAILED (failures=3)
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string lastLine = ParseLastLine(result);
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this.output.WriteLine("result:" + result);
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Assert.StartsWith("FAILED", lastLine);
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}
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private static string RunCommand(string command, string args)
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{
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var proc = new Process
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{
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StartInfo = new ProcessStartInfo
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{
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FileName = command,
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Arguments = $" {args}",
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UseShellExecute = false,
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RedirectStandardError = true,
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RedirectStandardOutput = true,
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CreateNoWindow = true,
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WorkingDirectory = ".",
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},
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};
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proc.Start();
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// TODO: after W3C Trace Context test suite passes, it might go in standard output
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// var results = proc.StandardOutput.ReadToEnd();
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var results = proc.StandardError.ReadToEnd();
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proc.WaitForExit();
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return results;
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}
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private static string ParseLastLine(string output)
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{
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if (output.Length <= 1)
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{
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return output;
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}
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// The output ends with '\n', which should be ignored.
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var lastNewLineCharacterPos = output.LastIndexOf('\n', output.Length - 2);
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return output.Substring(lastNewLineCharacterPos + 1);
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}
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}
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}
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