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+#region Copyright notice and license
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+
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+// Copyright 2015, Google Inc.
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+// All rights reserved.
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+//
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+// Redistribution and use in source and binary forms, with or without
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+// modification, are permitted provided that the following conditions are
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+// met:
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+//
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+// * Redistributions of source code must retain the above copyright
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+// notice, this list of conditions and the following disclaimer.
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+// * Redistributions in binary form must reproduce the above
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+// copyright notice, this list of conditions and the following disclaimer
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+// in the documentation and/or other materials provided with the
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+// distribution.
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+// * Neither the name of Google Inc. nor the names of its
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+// contributors may be used to endorse or promote products derived from
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+// this software without specific prior written permission.
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+//
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+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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+
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+#endregion
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+
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+using System;
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+using System.Collections.Generic;
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+using System.IO;
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+using System.Reflection;
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+using Grpc.Core;
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+using Grpc.Core.Internal;
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+using Grpc.Core.Utils;
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+using NUnit.Framework;
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+
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+namespace Grpc.Core.Tests
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+{
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+ public class SanityTest
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+ {
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+ /// <summary>
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+ /// Because we depend on a native library, sometimes when things go wrong, the
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+ /// entire NUnit test process crashes. To be able to track down problems better,
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+ /// the NUnit tests are run by run_tests.py script in a separate process per test class.
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+ /// The list of tests to run is stored in src/csharp/tests.json.
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+ /// This test checks that the tests.json file is up to date by discovering all the
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+ /// existing NUnit tests in all test assemblies and comparing to contents of tests.json.
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+ /// </summary>
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+ [Test]
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+ public void TestsJsonUpToDate()
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+ {
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+ var testClasses = DiscoverAllTestClasses();
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+ string testsJson = GetTestsJson();
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+
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+ // we don't have a JSON parser at hand, but check that the test class
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+ // name is contained in the file instead.
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+ foreach (var className in testClasses) {
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+ Assert.IsTrue(testsJson.Contains(className),
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+ string.Format("Test class \"{0}\" is missing in C# tests.json file", className));
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+ }
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+ }
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+
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+ /// <summary>
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+ /// Gets list of all test classes obtained by inspecting all the test assemblies.
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+ /// </summary>
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+ private List<string> DiscoverAllTestClasses()
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+ {
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+ var assemblies = GetTestAssemblies();
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+
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+ var testClasses = new List<string>();
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+ foreach (var assembly in assemblies)
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+ {
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+ foreach (var t in assembly.GetTypes())
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+ {
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+ foreach (var m in t.GetMethods())
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+ {
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+ var attributes = m.GetCustomAttributes(typeof(NUnit.Framework.TestAttribute), true);
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+ if (attributes.Length > 0)
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+ {
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+ testClasses.Add(t.FullName);
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+ break;
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+ }
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+
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+ }
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+ }
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+ }
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+ testClasses.Sort();
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+ return testClasses;
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+ }
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+
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+ private string GetTestsJson()
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+ {
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+ var assemblyDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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+ var testsJsonFile = Path.Combine(assemblyDir, "..", "..", "..", "tests.json");
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+
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+ return File.ReadAllText(testsJsonFile);
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+ }
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+
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+ private List<Assembly> GetTestAssemblies()
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+ {
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+ var result = new List<Assembly>();
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+ var executingAssembly = Assembly.GetExecutingAssembly();
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+
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+ result.Add(executingAssembly);
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+
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+ var otherAssemblies = new[] {
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+ "Grpc.Examples.Tests",
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+ "Grpc.HealthCheck.Tests",
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+ "Grpc.IntegrationTesting"
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+ };
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+ foreach (var assemblyName in otherAssemblies)
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+ {
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+ var location = executingAssembly.Location.Replace("Grpc.Core.Tests", assemblyName);
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+ result.Add(Assembly.LoadFrom(location));
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+ }
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+ return result;
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+ }
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+ }
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+}
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Michael Lumish