public async void DeadNodesAreNotVisited_AndPingedAppropiately_Async()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = ProvideDateTimeProvider(fake);
var config = ProvideConfiguration(dateTimeProvider);
var connection = ProvideConnection(fake, config);
var getCall = FakeCalls.GetCall(fake);
var ok = Task.FromResult(FakeResponse.Ok(config));
var bad = Task.FromResult(FakeResponse.Bad(config));
getCall.ReturnsNextFromSequence(
ok, //info 1 - 9204
bad, //info 2 - 9203 DEAD
ok, //info 2 retry - 9202
ok, //info 3 - 9201
ok, //info 4 - 9204
ok, //info 5 - 9202
ok, //info 6 - 9201
ok, //info 7 - 9204
ok, //info 8 - 9203 (Now > Timeout)
ok //info 9 - 9202
);
var seenNodes = new List <Uri>();
getCall.Invokes((Uri u, IRequestConnectionConfiguration o) => seenNodes.Add(u));
var pingCall = FakeCalls.PingAtConnectionLevelAsync(fake);
pingCall.Returns(ok);
var client1 = fake.Resolve <ElasticsearchClient>();
await client1.InfoAsync(); //info call 1
await client1.InfoAsync(); //info call 2
await client1.InfoAsync(); //info call 3
await client1.InfoAsync(); //info call 4
await client1.InfoAsync(); //info call 5
await client1.InfoAsync(); //info call 6
await client1.InfoAsync(); //info call 7
await client1.InfoAsync(); //info call 8
await client1.InfoAsync(); //info call 9
AssertSeenNodesAreInExpectedOrder(seenNodes);
//4 nodes first time usage + 1 time after the first time 9203 came back to live
pingCall.MustHaveHappened(Repeated.Exactly.Times(5));
}
}
public void AllNodesWillBeMarkedDead()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//set up a fake datetimeprovider
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
fake.Provide(dateTimeProvider);
//create a connectionpool that uses the fake datetimeprovider
var connectionPool = new StaticConnectionPool(
_uris,
dateTimeProvider: dateTimeProvider
);
var config = new ConnectionConfiguration(connectionPool);
fake.Provide <IConnectionConfigurationValues>(config);
//Now() on the fake still means Now()
A.CallTo(() => dateTimeProvider.Now()).Returns(DateTime.UtcNow);
//Set up individual mocks for each DeadTime(Uri uri,...) call
//where uri matches one of the node ports
var calls = _uris.Select(u =>
A.CallTo(() => dateTimeProvider.DeadTime(
A <Uri> .That.Matches(uu => uu.Port == u.Port),
A <int> ._, A <int?> ._, A <int?> ._
))).ToList();
//all the fake mark dead calls return 60 seconds into the future
foreach (var call in calls)
{
call.Returns(DateTime.UtcNow.AddSeconds(60));
}
//When we do a GET on / we always recieve a 503
var getCall = A.CallTo(() => fake.Resolve <IConnection>().GetSync(A <Uri> ._, A <IRequestConfiguration> ._));
getCall.Returns(_bad);
var transport = this.ProvideTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(_ok);
var client = fake.Resolve <ElasticsearchClient>();
//Since we always get a 503 we should see an out of nodes exception
Assert.Throws <MaxRetryException>(() => client.Info());
pingCall.MustHaveHappened(Repeated.Exactly.Times(4));
//The call should be tried on all the nodes
getCall.MustHaveHappened(Repeated.Exactly.Times(4));
//We should see each individual node being marked as dead
foreach (var call in calls)
{
call.MustHaveHappened(Repeated.Exactly.Once);
}
}
}
public void CanAssertInvocations()
{
var target = new FakeCalls();
target.AddBehavior(new DefaultValueBehavior());
target.TurnOn();
Assert.Single(target.AsMock().InvocationsFor(c => c.TurnOn()));
Assert.Equal(0, target.Add(2, 3));
Assert.Single(target.AsMock().InvocationsFor(c => c.Add(2, 3)));
}
public void IfAConnectionComesBackToLifeOnItsOwnItShouldBeMarked()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//Setting up a datetime provider so that can track dead/alive marks
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
A.CallTo(() => dateTimeProvider.Now()).Returns(DateTime.UtcNow);
var markDeadCall = A.CallTo(() => dateTimeProvider.DeadTime(A <Uri> ._, A <int> ._, A <int?> ._, A <int?> ._));
var markAliveCall = A.CallTo(() => dateTimeProvider.AliveTime(A <Uri> ._, A <int> ._));
markDeadCall.Returns(DateTime.UtcNow.AddSeconds(60));
markAliveCall.Returns(new DateTime());
fake.Provide(dateTimeProvider);
var connectionPool = new StaticConnectionPool(
_uris,
dateTimeProvider: dateTimeProvider);
//set retries to 4
fake.Provide <IConnectionConfigurationValues>(
new ConnectionConfiguration(connectionPool)
.MaximumRetries(4)
);
//fake getsync handler that return a 503 4 times and then a 200
//this will cause all 4 nodes to be marked dead on the first client call
var getCall = FakeCalls.GetSyncCall(fake);
getCall.ReturnsNextFromSequence(
_bad,
_bad,
_bad,
_bad,
_ok
);
//provide a transport with all the dependencies resolved
var transport = this.ProvideTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(_ok);
//instantiate connection with faked dependencies
var client = fake.Resolve <ElasticsearchClient>();
//Do not throw because by miracle the 4th retry manages to give back a 200
//even if all nodes have been marked dead.
Assert.DoesNotThrow(() => client.Info());
//original call + 4 retries is 5
getCall.MustHaveHappened(Repeated.Exactly.Times(5));
//4 nodes must be marked dead
markDeadCall.MustHaveHappened(Repeated.Exactly.Times(4));
//atleast one of them sprung back to live so markAlive must be called once
markAliveCall.MustHaveHappened(Repeated.Exactly.Times(1));
}
}
[Ignore] //TODO Unignore
public void CallInfo40000TimesOnMultipleThreads()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//set up connection configuration that holds a connection pool
//with '_uris' (see the constructor)
fake.Provide <IConnectionConfigurationValues>(_config);
//we want to use our special concurrencytestconnection
//this randonly throws on any node but 9200 and sniffing will represent a different
//view of the cluster each time but always holding node 9200
fake.Provide <IConnection>(new ConcurrencyTestConnection(this._config));
//prove a real Transport with its unspecified dependencies
//as fakes
FakeCalls.ProvideDefaultTransport(fake);
//create a real ElasticsearchClient with it unspecified dependencies as fakes
var client = fake.Resolve <ElasticsearchClient>();
int seen = 0;
//We'll call Info() 10.000 times on 4 threads
//This should not throw any exceptions even if connections sometime fail at a node level
//because node 9200 is always up and running
Assert.DoesNotThrow(() =>
{
Action a = () =>
{
for (var i = 0; i < 10000; i++)
{
client.Info <VoidResponse>();
Interlocked.Increment(ref seen);
}
};
var thread1 = new Thread(() => a());
var thread2 = new Thread(() => a());
var thread3 = new Thread(() => a());
var thread4 = new Thread(() => a());
thread1.Start();
thread2.Start();
thread3.Start();
thread4.Start();
thread1.Join();
thread2.Join();
thread3.Join();
thread4.Join();
});
//we should have seen 40.000 increments
//Sadly we can't use FakeItEasy's to ensure get is called 40.000 times
//because it internally uses fixed arrays that will overflow :)
seen.Should().Be(40000);
}
}
public void SniffCalledOnceAndEachEnpointPingedOnce()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//It's recommended to only have on instance of your connection pool
//Be sure to register it as Singleton in your IOC
var uris = new[] { new Uri("http://localhost:9200"), new Uri("http://localhost:9201") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnStartup();
fake.Provide <IConnectionConfigurationValues>(config);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Ok(config));
var transport1 = FakeCalls.ProvideRealTranportInstance(fake);
var transport2 = FakeCalls.ProvideRealTranportInstance(fake);
var transport3 = FakeCalls.ProvideRealTranportInstance(fake);
var transport4 = FakeCalls.ProvideRealTranportInstance(fake);
transport1.Should().NotBe(transport2);
var client1 = new ElasticsearchClient(config, transport: transport1);
client1.Info();
client1.Info();
client1.Info();
client1.Info();
var client2 = new ElasticsearchClient(config, transport: transport2);
client2.Info();
client2.Info();
client2.Info();
client2.Info();
var client3 = new ElasticsearchClient(config, transport: transport3);
client3.Info();
client3.Info();
client3.Info();
client3.Info();
var client4 = new ElasticsearchClient(config, transport: transport4);
client4.Info();
client4.Info();
client4.Info();
client4.Info();
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
//sniff validates first node, one new node should be pinged before usage.
pingCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ShouldRetryOnSniffConnectionException_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
var pingAsyncCall = FakeCalls.PingAtConnectionLevelAsync(fake);
pingAsyncCall.Returns(FakeResponse.OkAsync(config));
//sniffing is always synchronous and in turn will issue synchronous pings
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
throw new Exception("Something bad happened");
});
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.BadAsync(config));
FakeCalls.ProvideDefaultTransport(fake);
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <MaxRetryException>(async() => await client.NodesHotThreadsAsync("nodex"));
//all nodes must be tried to sniff for more information
sniffCall.MustHaveHappened(Repeated.Exactly.Times(uris.Count()));
//make sure we only saw one call to hot threads (the one that failed initially)
getCall.MustHaveHappened(Repeated.Exactly.Once);
//make sure the sniffs actually happened on all the individual nodes
seenPorts.ShouldAllBeEquivalentTo(uris.Select(u => u.Port));
e.InnerException.Message.Should().Contain("Sniffing known nodes");
}
}
public void SniffIsCalledAfterItHasGoneOutOfDate_NotWhenItSeesA503()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.ReturnsNextFromSequence(
DateTime.UtcNow, //initial sniff time (set even if not sniff_on_startup
DateTime.UtcNow, //info call 1
DateTime.UtcNow, //info call 2
DateTime.UtcNow.AddMinutes(10), //info call 3
DateTime.UtcNow.AddMinutes(10), //set now after sniff 3
DateTime.UtcNow.AddMinutes(10), //info call 4
DateTime.UtcNow.AddMinutes(12) //info call 5
);
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(TimeSpan.FromMinutes(4))
.ExposeRawResponse();
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.ReturnsNextFromSequence(
FakeResponse.Ok(config), //info 1
FakeResponse.Ok(config), //info 2
FakeResponse.Ok(config), //info 3
FakeResponse.Ok(config), //sniff
FakeResponse.Ok(config), //info 4
FakeResponse.Bad(config) //info 5
);
var client1 = fake.Resolve <ElasticsearchClient>();
var result = client1.Info(); //info call 1
result = client1.Info(); //info call 2
result = client1.Info(); //info call 3
result = client1.Info(); //info call 4
result = client1.Info(); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
nowCall.MustHaveHappened(Repeated.Exactly.Times(7));
//var nowCall = A.CallTo(() => fake.Resolve<IDateTimeProvider>().Sniff(A<Uri>._, A<int>._));
}
}
public void SniffOnConnectionFaultCausesSniffOn503()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.Invokes(() =>
{
});
nowCall.Returns(DateTime.UtcNow);
var nodes = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(nodes);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var connection = fake.Resolve <IConnection>();
var sniffNewNodes = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201")
};
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake, config, sniffNewNodes);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.ReturnsNextFromSequence(
FakeResponse.Ok(config), //info 1
FakeResponse.Ok(config), //info 2
FakeResponse.Ok(config), //info 3
FakeResponse.Ok(config), //info 4
FakeResponse.Bad(config) //info 5
);
var client1 = fake.Resolve <ElasticsearchClient>();
client1.Info(); //info call 1
client1.Info(); //info call 2
client1.Info(); //info call 3
client1.Info(); //info call 4
Assert.Throws <MaxRetryException>(() => client1.Info()); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
nowCall.MustHaveHappened(Repeated.Exactly.Times(8));
}
}
public void ShouldRetryOn503_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(Task.FromResult(FakeResponse.Bad(_connectionConfig)));
var client = fake.Resolve <ElasticsearchClient>();
Assert.Throws <MaxRetryException>(async() => await client.InfoAsync());
getCall.MustHaveHappened(Repeated.Exactly.Times(_retries + 1));
}
}
public void ShouldNotRetryOn400()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Any(_connectionConfig, 400));
var client = fake.Resolve <ElasticsearchClient>();
Assert.DoesNotThrow(() => client.Info());
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ThrowsException()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Throws <Exception>();
var client = fake.Resolve <ElasticsearchClient>();
Assert.Throws <Exception>(() => client.Info());
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ShouldNotRetryWhenMaxRetriesIs0_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var connectionConfiguration = new ConnectionConfiguration().MaximumRetries(0);
fake.Provide <IConnectionConfigurationValues>(connectionConfiguration);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.Bad(connectionConfiguration));
var client = fake.Resolve <ElasticsearchClient>();
Assert.DoesNotThrow(async() => await client.InfoAsync());
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ShouldRetryOnSniff500()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault();
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Bad(config));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <MaxRetryException>(() => client.Info());
sniffCall.MustHaveHappened(Repeated.Exactly.Times(uris.Count()));
getCall.MustHaveHappened(Repeated.Exactly.Once);
//make sure that if a ping throws an exception it wont
//keep retrying to ping the same node but failover to the next
seenPorts.ShouldAllBeEquivalentTo(uris.Select(u => u.Port));
var sniffException = e.InnerException as SniffException;
sniffException.Should().NotBeNull();
}
}
public async void ShouldNotRetryOn400_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
var task = Task.FromResult(FakeResponse.Any(_connectionConfig, 400));
getCall.Returns(task);
var client = fake.Resolve <ElasticsearchClient>();
var result = await client.InfoAsync();
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ThrowsMaxRetryException_AndRetriesTheSpecifiedTimes()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Throws <Exception>();
var client = fake.Resolve <ElasticsearchClient>();
client.Settings.MaxRetries.Should().Be(_retries);
Assert.Throws <MaxRetryException>(() => client.Info());
getCall.MustHaveHappened(Repeated.Exactly.Times(_retries + 1));
}
}
public void Async_CallThrowsHardException_ShouldBubbleToCallee()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
//return a started task that throws
getCall.Throws((c) => new Exception("hard exception!"));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <Exception>(async() => await client.InfoAsync());
e.Message.Should().Be("hard exception!");
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ShouldThrowAndNotRetrySniffOnConnectionFault401_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnConnectionFault()
.ThrowOnElasticsearchServerExceptions();
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingAsyncCall = FakeCalls.PingAtConnectionLevelAsync(fake);
pingAsyncCall.Returns(FakeResponse.OkAsync(config));
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.BadAsync(config));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <ElasticsearchServerException>(async() => await client.InfoAsync());
e.Status.Should().Be(401);
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void OnConnectionException_WithoutPooling_DoNotRetry()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Throws((o) => new Exception("inner"));
var client = fake.Resolve <ElasticsearchClient>();
client.Settings.MaxRetries.Should().Be(_retries);
var e = Assert.Throws <Exception>(() => client.Info());
e.Message.Should().Be("inner");
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void Hard_IConnectionException_OnAsync_ThrowsMaxRetry_AndRetries()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionPoolConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
//return a started task that throws
getCall.Throws((o) => new Exception("inner"));
var client = fake.Resolve <ElasticsearchClient>();
client.Settings.MaxRetries.Should().Be(_retries);
var e = Assert.Throws <MaxRetryException>(async() => await client.InfoAsync());
this.AssertMaxRetryException(e);
getCall.MustHaveHappened(Repeated.Exactly.Times(_retries + 1));
}
}
private void CallAsync(int status, string exceptionType, string exceptionMessage, AutoFake fake, MemoryStream response, bool exposeRawResponse = false)
{
var connectionConfiguration = new ConnectionConfiguration()
.ThrowOnElasticsearchServerExceptions()
.ExposeRawResponse(exposeRawResponse);
fake.Provide <IConnectionConfigurationValues>(connectionConfiguration);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
getCall.Returns(FakeResponse.BadAsync(connectionConfiguration, response: response));
var client = fake.Resolve <ElasticsearchClient>();
var e = Assert.Throws <ElasticsearchServerException>(async() => await client.InfoAsync());
AssertServerErrorsException(e, status, exceptionType, exceptionMessage);
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
public void ThrowsException_Async()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
//return a started task that throws
Func <ElasticsearchResponse <Stream> > badTask = () => { throw new Exception(); };
var t = new Task <ElasticsearchResponse <Stream> >(badTask);
t.Start();
getCall.Returns(t);
var client = fake.Resolve <ElasticsearchClient>();
Assert.Throws <Exception>(async() => await client.InfoAsync());
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public async Task Init()
{
var responseStream = CreateServerExceptionResponse(_responseValue);
this.Fake = new AutoFake(callsDoNothing: true);
var connectionConfiguration = _configSetup(new ConnectionConfiguration());
var response = _responseSetup(connectionConfiguration, responseStream);
this.Fake.Provide <IConnectionConfigurationValues>(connectionConfiguration);
FakeCalls.ProvideDefaultTransport(this.Fake);
this.GetCall = FakeCalls.GetCall(this.Fake);
this.GetCall.Returns(response);
var client = this.Fake.Resolve <ElasticsearchClient>();
this.Result = await(_call != null ? _call(client) : client.InfoAsync <T>());
this.GetCall.MustHaveHappened(Repeated.Exactly.Once);
}
public void Hard_IConnectionException_AsyncCall_WithoutPooling_Retries_AndThrows()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
//return a started task that throws
getCall.Throws((o) => new Exception("inner"));
var client = fake.Resolve <ElasticsearchClient>();
client.Settings.MaxRetries.Should().NotHaveValue();
var e = Assert.Throws <Exception>(async() => await client.InfoAsync());
e.Message.Should().Be("inner");
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
private ElasticsearchResponse <DynamicDictionary> Call(int status, string exceptionType, string exceptionMessage, AutoFake fake, MemoryStream response, bool exposeRawResponse = false)
{
var connectionConfiguration = new ConnectionConfiguration()
.ExposeRawResponse(exposeRawResponse);
fake.Provide <IConnectionConfigurationValues>(connectionConfiguration);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(connectionConfiguration, response: response));
var client = fake.Resolve <ElasticsearchClient>();
var result = client.Info();
result.Success.Should().BeFalse();
AssertServerErrorsOnResponse(result, status, exceptionType, exceptionMessage);
getCall.MustHaveHappened(Repeated.Exactly.Once);
return(result);
}
public void SniffOnStartupCallsSniffOnlyOnce()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
//It's recommended to only have on instance of your connection pool
//Be sure to register it as Singleton in your IOC
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.DisablePing()
.SniffOnStartup();
fake.Provide <IConnectionConfigurationValues>(config);
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var transport = FakeCalls.ProvideDefaultTransport(fake);
var client1 = new ElasticsearchClient(config, transport: transport);
var client2 = new ElasticsearchClient(config, transport: transport);
var client3 = new ElasticsearchClient(config, transport: transport);
var client4 = new ElasticsearchClient(config, transport: transport);
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void SniffIsCalledAfterItHasGoneOutOfDate()
{
using (var fake = new AutoFake())
{
var dateTimeProvider = fake.Resolve <IDateTimeProvider>();
var nowCall = A.CallTo(() => dateTimeProvider.Now());
nowCall.ReturnsNextFromSequence(
DateTime.UtcNow, //initial sniff time (set even if not sniff_on_startup
DateTime.UtcNow, //info call 1
DateTime.UtcNow, //info call 2
DateTime.UtcNow.AddMinutes(10), //info call 3
DateTime.UtcNow.AddMinutes(10), //set now after sniff 3
DateTime.UtcNow.AddMinutes(20), //info call 4
DateTime.UtcNow.AddMinutes(20), //set now after sniff 4
DateTime.UtcNow.AddMinutes(22) //info call 5
);
var uris = new[] { new Uri("http://localhost:9200") };
var connectionPool = new SniffingConnectionPool(uris);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(TimeSpan.FromMinutes(4));
fake.Provide <IConnectionConfigurationValues>(config);
var transport = FakeCalls.ProvideDefaultTransport(fake, dateTimeProvider);
var connection = fake.Resolve <IConnection>();
var sniffCall = FakeCalls.Sniff(fake, config, uris);
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Ok(config));
var client1 = fake.Resolve <ElasticsearchClient>();
client1.Info(); //info call 1
client1.Info(); //info call 2
client1.Info(); //info call 3
client1.Info(); //info call 4
client1.Info(); //info call 5
sniffCall.MustHaveHappened(Repeated.Exactly.Twice);
nowCall.MustHaveHappened(Repeated.Exactly.Times(8));
}
}
public void ShouldNotThrowAndNotRetrySniffInformationIsTooOld401()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffLifeSpan(new TimeSpan(1));
fake.Provide <IConnectionConfigurationValues>(config);
FakeCalls.ProvideDefaultTransport(fake);
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
var client = fake.Resolve <ElasticsearchClient>();
Assert.DoesNotThrow(() => client.Info());
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustNotHaveHappened();
}
}
public void Soft_IConnectionException_AsyncCall_WithoutPooling_DoesNot_Retry_AndRethrows()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
fake.Provide <IConnectionConfigurationValues>(_connectionConfig);
FakeCalls.ProvideDefaultTransport(fake);
var getCall = FakeCalls.GetCall(fake);
//return a started task that throws
Func <ElasticsearchResponse <Stream> > badTask = () => { throw new Exception("inner"); };
var t = new Task <ElasticsearchResponse <Stream> >(badTask);
t.Start();
getCall.Returns(t);
var client = fake.Resolve <ElasticsearchClient>();
client.Settings.MaxRetries.Should().Be(_retries);
var e = Assert.Throws <Exception>(async() => await client.InfoAsync());
e.Message.Should().Be("inner");
getCall.MustHaveHappened(Repeated.Exactly.Once);
}
}
public void ShouldThrowAndNotRetrySniffOnStartup401()
{
using (var fake = new AutoFake(callsDoNothing: true))
{
var uris = new[]
{
new Uri("http://localhost:9200"),
new Uri("http://localhost:9201"),
new Uri("http://localhost:9202")
};
var connectionPool = new SniffingConnectionPool(uris, randomizeOnStartup: false);
var config = new ConnectionConfiguration(connectionPool)
.SniffOnStartup();
var pingCall = FakeCalls.PingAtConnectionLevel(fake);
pingCall.Returns(FakeResponse.Ok(config));
var sniffCall = FakeCalls.Sniff(fake);
var seenPorts = new List <int>();
sniffCall.ReturnsLazily((Uri u, IRequestConfiguration c) =>
{
seenPorts.Add(u.Port);
return(FakeResponse.Any(config, 401));
});
var getCall = FakeCalls.GetSyncCall(fake);
getCall.Returns(FakeResponse.Bad(config));
fake.Provide <IConnectionConfigurationValues>(config);
var e = Assert.Throws <ElasticsearchAuthenticationException>(() => FakeCalls.ProvideRealTranportInstance(fake));
sniffCall.MustHaveHappened(Repeated.Exactly.Once);
getCall.MustNotHaveHappened();
}
}
