public void ApplyNoRecordNameWithConnectionString_CouchbaseDnsSrvFound_Replaces(string scheme)
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync($"_{scheme}._tcp.services.local"))
.ReturnsAsync(new List <SrvRecord>
{
SrvRecord1Priority10,
SrvRecord2Priority10
});
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
ConnectionString = $"{scheme}://services.local/additionalPath?queryParam=5"
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal($"{scheme}://couchbaseserver1.services.local:8091,couchbaseserver2.services.local:8091/additionalPath?queryParam=5",
clientDefinition.ConnectionString);
Assert.Null(clientDefinition.Servers);
}
public void ApplyNoRecordNameWithConnectionString_CouchbaseDnsSrvFound_IgnoresPriority()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(FullRecordName))
.ReturnsAsync(new List <SrvRecord>
{
SrvRecord1Priority10,
SrvRecord2Priority10,
SrvRecord3Priority20,
SrvRecord4Priority20
});
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
ConnectionString = "couchbase://services.local"
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal("couchbase://couchbaseserver1.services.local:8091,couchbaseserver2.services.local:8091,couchbaseserver3.services.local:8091,couchbaseserver4.services.local:8091/",
clientDefinition.ConnectionString);
Assert.Null(clientDefinition.Servers);
}
public void ApplyNoRecordNameWithConnectionString_MultipleEntriesWithSemicolon_NoDnsLookup()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(It.IsAny <string>()))
.ReturnsAsync(new List <SrvRecord>());
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
ConnectionString = "couchbase://server;server2/"
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal("couchbase://server;server2/", clientDefinition.ConnectionString);
Assert.Null(clientDefinition.Servers);
lookupClient
.Verify(m => m.QuerySrvAsync(It.IsAny <string>()), Times.Never);
}
public void ApplyNoRecordNameWithConnectionString_CouchbaseNoDnsSrvFound_Unmodified()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(FullRecordName))
.ReturnsAsync(new List <SrvRecord>());
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
ConnectionString = "couchbase://services.local/"
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal("couchbase://services.local/", clientDefinition.ConnectionString);
Assert.Null(clientDefinition.Servers);
lookupClient
.Verify(m => m.QuerySrvAsync(FullRecordName), Times.Once);
}
public void ApplyNoRecordName_CouchbaseWithPort_NoDnsLookup()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(It.IsAny <string>()))
.ReturnsAsync(new List <SrvRecord>());
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
Servers = new List <Uri>
{
new Uri("couchbase://server:1000/")
}
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal(1, clientDefinition.Servers.Count);
Assert.Equal(new Uri("couchbase://server:1000/"), clientDefinition.Servers[0]);
lookupClient
.Verify(m => m.QuerySrvAsync(It.IsAny <string>()), Times.Never);
}
public void Apply_UnhandledException_LogsError()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(RecordName))
.ThrowsAsync(new Exception("Badness Happened"));
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
logger.Setup(
m =>
m.Log(LogLevel.Error, It.IsAny <EventId>(), It.IsAny <object>(), It.IsAny <Exception>(),
It.IsAny <Func <object, Exception, string> >()));
var clientDefinition = new CouchbaseClientDefinition();
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition, RecordName);
// Assert
logger.Verify(
m =>
m.Log(LogLevel.Error, It.IsAny <EventId>(), It.IsAny <object>(), It.IsAny <Exception>(),
It.IsAny <Func <object, Exception, string> >()),
Times.AtLeastOnce);
}
public void Apply_ShortRecordName_ReturnsServersFromFullRecordNameIfPresent()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(RecordName))
.Returns(Task.FromResult(new[]
{
SrvRecord2Priority10
}.AsEnumerable()));
lookupClient
.Setup(m => m.QuerySrvAsync(FullRecordName))
.Returns(Task.FromResult(new[]
{
SrvRecord1Priority10
}.AsEnumerable()));
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition();
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition, RecordName);
// Assert
Assert.Equal(1, clientDefinition.Servers.Count);
Assert.Equal(ServerRecord1ExpectedUrl, clientDefinition.Servers[0]);
}
public void Apply_HasServerList_ClearsListFirst()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(RecordName))
.Returns(Task.FromResult(new []
{
SrvRecord1Priority10,
SrvRecord2Priority10
}.AsEnumerable()));
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
Servers = new List <Uri>
{
new Uri("http://shouldremove/")
}
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition, RecordName);
// Assert
Assert.Equal(2, clientDefinition.Servers.Count);
}
public void Apply_NoClientDefinition_Exception()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act/Assert
var ex = Assert.Throws <ArgumentNullException>(() => lookup.Apply(null, RecordName));
Assert.Equal("clientDefinition", ex.ParamName);
}
public void ApplyNoRecordName_CouchbaseDnsSrvFound_IgnoresPriority()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(FullRecordName))
.ReturnsAsync(new List <SrvRecord>
{
SrvRecord1Priority10,
SrvRecord2Priority10,
SrvRecord3Priority20,
SrvRecord4Priority20
});
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition
{
Servers = new List <Uri>
{
new Uri("couchbase://services.local/")
}
};
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition);
// Assert
Assert.Equal(4, clientDefinition.Servers.Count);
Assert.Contains(ServerRecord1ExpectedUrl, clientDefinition.Servers);
Assert.Contains(ServerRecord2ExpectedUrl, clientDefinition.Servers);
Assert.Contains(ServerRecord3ExpectedUrl, clientDefinition.Servers);
Assert.Contains(ServerRecord4ExpectedUrl, clientDefinition.Servers);
}
public void Apply_UnhandledException_ReturnsEmptyList()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(RecordName))
.ThrowsAsync(new Exception("Badness Happened"));
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition();
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition, RecordName);
// Assert
Assert.Equal(0, clientDefinition.Servers.Count);
}
public void Apply_NoResults_ReturnsEmptyList()
{
// Arrange
var lookupClient = new Mock <ILookupClientAdapter>();
lookupClient
.Setup(m => m.QuerySrvAsync(RecordName))
.Returns(Task.FromResult(new SrvRecord[] {}.AsEnumerable()));
var logger = new Mock <ILogger <CouchbaseDnsLookup> >();
var clientDefinition = new CouchbaseClientDefinition();
var lookup = new CouchbaseDnsLookup(lookupClient.Object, logger.Object);
// Act
lookup.Apply(clientDefinition, RecordName);
// Assert
Assert.Equal(0, clientDefinition.Servers.Count);
}