public void GivenConnectionStringNotInConfiguration_WhenAskingForValue_ThenItShouldThrow()
{
// arrange
Environment.SetEnvironmentVariable(new EventHubConnectionStringKey(), null);
Environment.GetEnvironmentVariables().Clear();
IEventHubConfiguration eventHubConfiguration = new EventHubConfiguration();
// act
Action action = () => eventHubConfiguration.ConnectionString();
// assert
action.Should().Throw <ConfigurationItemNotFoundException>();
}
public void GivenConnectionStringInConfiguration_WhenAskingForValue_ThenItShouldReturnCorrectValue()
{
// arrange
const string expected = "connection-string";
Environment.SetEnvironmentVariable(new EventHubConnectionStringKey(), expected);
IEventHubConfiguration eventHubConfiguration = new EventHubConfiguration();
// act
string actual = eventHubConfiguration.ConnectionString();
// assert
actual.Should().Be(expected);
}