public void WhenConnectSucceedsDoesNotThrowConnectionException()
{
var connection = Substitute.For <IConnection>();
connection.Connected.Returns(true);
var sut = new InsistentConnection(connection);
Assert.DoesNotThrow(() => sut.Connect());
}
public void WhenConnectFailsThrowsConnectionException()
{
var connection = Substitute.For <IConnection>();
connection.When(c => c.Connect()).Throw <ConnectionException>();
var sut = new InsistentConnection(connection);
Assert.Throws <ConnectionException>(() => sut.Connect());
}
public void AttemptsToConnectOnceOnSuccess()
{
var connection = Substitute.For <IConnection>();
connection.Connected.Returns(true);
var sut = new InsistentConnection(connection);
sut.Connect();
Assert.AreEqual(true, sut.Connected);
Assert.AreEqual(0, sut.Audit.Messages.Count);
}
public void AttemptsToConnectMultipleTimesOnError()
{
var connection = Substitute.For <IConnection>();
connection.When(c => c.Connect()).Throw <ConnectionException>();
var sut = new InsistentConnection(connection);
try
{
sut.Connect();
}
catch (ConnectionException)
{
// expected to throw connection
}
Assert.AreEqual(false, sut.Connected);
Assert.AreEqual(3, sut.Audit.Messages.Count);
}