public async Task Subscribe_NullRawMessageHandler_ThrowsArgumentNull(
string topic,
RedisRawMessageHandlerSubscriber sut)
{
var ex = await Assert.ThrowsAsync <ArgumentNullException>(() => sut.Subscribe(topic, null, None));
Assert.Equal("rawHandler", ex.ParamName);
}
public async Task Subscribe_NullTopic_ThrowsArgumentNull(
IRawMessageHandler rawMessageHandler,
RedisRawMessageHandlerSubscriber sut)
{
var ex = await Assert.ThrowsAsync <ArgumentNullException>(() => sut.Subscribe(null, rawMessageHandler, None));
Assert.Equal("topic", ex.ParamName);
}
public async Task Subscribe_MultiplexerReturnsNoSubscription_ThrowsInvalidOperation(
[Frozen] IConnectionMultiplexer connectionMultiplexer,
string topic,
IRawMessageHandler rawMessageHandler,
RedisRawMessageHandlerSubscriber sut)
{
connectionMultiplexer.GetSubscriber().ReturnsNull();
var ex = await Assert.ThrowsAsync <InvalidOperationException>(() => sut.Subscribe(topic, rawMessageHandler, None));
Assert.Equal("Redis Multiplexer returned no subscription.", ex.Message);
}
public async Task Subscribe_SubscribersRawMessageHandler(
[Frozen] ISubscriber subscriber,
string topic,
byte[] message,
IRawMessageHandler rawMessageHandler,
RedisRawMessageHandlerSubscriber sut)
{
Action <RedisChannel, RedisValue> redisCallback = null;
await subscriber.SubscribeAsync(topic, Arg.Do <Action <RedisChannel, RedisValue> >(action => redisCallback = action));
await sut.Subscribe(topic, rawMessageHandler, None);
Assert.NotNull(redisCallback);
redisCallback(topic, message);
await rawMessageHandler.Received(1).Handle(topic, message, None);
}
