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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 Grpc.Core.Internal;
using NUnit.Framework;
namespace Grpc.Core.Tests
{
public class ChannelCredentialsTest
{
[Test]
public void InsecureCredentials_IsNonComposable()
{
Assert.IsFalse(ChannelCredentials.Insecure.IsComposable);
}
[Test]
public void ChannelCredentials_CreateComposite()
{
var composite = ChannelCredentials.Create(new FakeChannelCredentials(true), new FakeCallCredentials());
Assert.IsFalse(composite.IsComposable);
Assert.Throws(typeof(ArgumentNullException), () => ChannelCredentials.Create(null, new FakeCallCredentials()));
Assert.Throws(typeof(ArgumentNullException), () => ChannelCredentials.Create(new FakeChannelCredentials(true), null));
// forbid composing non-composable
Assert.Throws(typeof(ArgumentException), () => ChannelCredentials.Create(new FakeChannelCredentials(false), new FakeCallCredentials()));
}
[Test]
public void ChannelCredentials_NativeCredentialsAreReused()
{
// always returning the same native object is critical for subchannel sharing to work with secure channels
var creds = new SslCredentials();
var nativeCreds1 = creds.GetNativeCredentials();
var nativeCreds2 = creds.GetNativeCredentials();
Assert.AreSame(nativeCreds1, nativeCreds2);
}
[Test]
public void ChannelCredentials_CreateExceptionIsCached()
{
var creds = new ChannelCredentialsWithCreateNativeThrows();
var ex1 = Assert.Throws(typeof(Exception), () => creds.GetNativeCredentials());
var ex2 = Assert.Throws(typeof(Exception), () => creds.GetNativeCredentials());
Assert.AreSame(ex1, ex2);
}
internal class ChannelCredentialsWithCreateNativeThrows : ChannelCredentials
{
internal override bool IsComposable => false;
internal override ChannelCredentialsSafeHandle CreateNativeCredentials()
{
throw new Exception("Creation of native credentials has failed on purpose.");
}
}
}
}
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