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#region Copyright notice and license
// Copyright 2015 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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
{
// TODO: make sanity test work for CoreCLR as well
#if !NETCOREAPP1_0
/// <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();
var testsFromFile
= JsonConvert.DeserializeObject<Dictionary<string, List<string>>>(ReadTestsJson());
Assert.AreEqual(discoveredTests, testsFromFile);
}
/// <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 testAttributes = m.GetCustomAttributes(typeof(NUnit.Framework.TestAttribute), true);
var testCaseAttributes = m.GetCustomAttributes(typeof(NUnit.Framework.TestCaseAttribute), true);
if (testAttributes.Length > 0 || testCaseAttributes.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",
"Grpc.Reflection.Tests",
"Grpc.Tools.Tests",
};
foreach (var assemblyName in otherAssemblies)
{
var location = executingAssembly.Location.Replace("Grpc.Core.Tests", assemblyName);
result.Add(Assembly.LoadFrom(location));
}
return result;
}
#endif
}
}
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