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