public async Task RequestDelegate_WhenContextMatchesTopicInUse_ProcessesMqttMessage(
MqttApplicationBuilder mqttApplicationBuilder
)
{
var mqttRequestContext = new TestMqttRequestContext
{
Topic = "test/topic"
};
mqttApplicationBuilder.Use(MqttRequestDelegateHelper.Create(ctx => ctx.Topic.Equals("test/topic")));
var mqttApplication = mqttApplicationBuilder.Build();
var result = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext);
Assert.True(result);
}
public async Task RequestDelegate_WhenUseReturnsFalse_DoesNotProcessMqttMessage(
MqttApplicationBuilder mqttApplicationBuilder
)
{
var mqttRequestContext = new TestMqttRequestContext
{
Topic = "test/topic"
};
mqttApplicationBuilder.Use(MqttRequestDelegateHelper.DoesNotHandleRequest());
var mqttApplication = mqttApplicationBuilder.Build();
var result = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext);
Assert.False(result);
}
public async Task RequestDelegate_WithMultipleMappedHandlers_BehavesAsExpected(
MqttApplicationBuilder mqttApplicationBuilder
)
{
var mqttRequestContext1 = new TestMqttRequestContext {
Topic = "test/1"
};
var mqttRequestContext2 = new TestMqttRequestContext {
Topic = "test/2"
};
var mqttRequestContext3 = new TestMqttRequestContext {
Topic = "test/3"
};
var mqttRequestContext4 = new TestMqttRequestContext {
Topic = "test/4"
};
mqttApplicationBuilder.Map("test/1", MqttRequestDelegateHelper.Throws(new Exception("1")));
mqttApplicationBuilder.Map("test/2", MqttRequestDelegateHelper.Throws(new Exception("2")));
mqttApplicationBuilder.Map("test/3", MqttRequestDelegateHelper.Throws(new Exception("3")));
mqttApplicationBuilder.Use(MqttRequestDelegateHelper.HandlesRequest());
var mqttApplication = mqttApplicationBuilder.Build();
Assert.Collection(
mqttApplication.TopicFilters,
f1 => Assert.Equal("test/1", f1.Topic),
f2 => Assert.Equal("test/2", f2.Topic),
f3 => Assert.Equal("test/3", f3.Topic),
f4 => Assert.Equal("#", f4.Topic));
var exception1 = await Assert.ThrowsAsync <Exception>(() => mqttApplication.RequestDelegate.Invoke(mqttRequestContext1));
var exception2 = await Assert.ThrowsAsync <Exception>(() => mqttApplication.RequestDelegate.Invoke(mqttRequestContext2));
var exception3 = await Assert.ThrowsAsync <Exception>(() => mqttApplication.RequestDelegate.Invoke(mqttRequestContext3));
var result4 = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext4);
Assert.Equal("1", exception1.Message);
Assert.Equal("2", exception2.Message);
Assert.Equal("3", exception3.Message);
Assert.True(result4);
}
public void TopicFilters_WithMultipleMappedHandlersAndADefaultMapping_ContainsExpectedFilters(
MqttApplicationBuilder mqttApplicationBuilder
)
{
mqttApplicationBuilder.Map("test/1", MqttRequestDelegateHelper.Throws(new Exception("1")));
mqttApplicationBuilder.Map("test/2", MqttRequestDelegateHelper.Throws(new Exception("2")));
mqttApplicationBuilder.Map("test/3", MqttRequestDelegateHelper.Throws(new Exception("3")));
mqttApplicationBuilder.Use(MqttRequestDelegateHelper.HandlesRequest());
var mqttApplication = mqttApplicationBuilder.Build();
Assert.Collection(
mqttApplication.TopicFilters,
f1 => Assert.Equal("test/1", f1.Topic),
f2 => Assert.Equal("test/2", f2.Topic),
f3 => Assert.Equal("test/3", f3.Topic),
f4 => Assert.Equal("#", f4.Topic));
}
public async Task RequestDelegate_WithMultipleMappedParameterizedHandlers_BehavesAsExpected(
MqttApplicationBuilder mqttApplicationBuilder
)
{
var mqttRequestContext1 = new TestMqttRequestContext <TestTopicParameters> {
Topic = "test/1/one"
};
var mqttRequestContext2 = new TestMqttRequestContext <TestTopicParameters> {
Topic = "test/2/two"
};
var mqttRequestContext3 = new TestMqttRequestContext <TestTopicParameters> {
Topic = "test/3/three"
};
var mqttRequestContext4 = new TestMqttRequestContext <TestTopicParameters> {
Topic = "test/4/four"
};
mqttApplicationBuilder.Map(
"test/1/+StringProperty",
MqttRequestDelegateHelper.Create <TestTopicParameters>(
ctx =>
{
Assert.Equal("one", ctx.TopicParameters.StringProperty);
return(true);
}));
mqttApplicationBuilder.Map(
"test/2/+StringProperty",
MqttRequestDelegateHelper.Create <TestTopicParameters>(
ctx =>
{
Assert.Equal("two", ctx.TopicParameters.StringProperty);
return(true);
}));
mqttApplicationBuilder.Map(
"test/3/+StringProperty",
MqttRequestDelegateHelper.Create <TestTopicParameters>(
ctx =>
{
Assert.Equal("three", ctx.TopicParameters.StringProperty);
return(true);
}));
mqttApplicationBuilder.Use(MqttRequestDelegateHelper.DoesNotHandleRequest());
var mqttApplication = mqttApplicationBuilder.Build();
var result1 = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext1);
var result2 = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext2);
var result3 = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext3);
var result4 = await mqttApplication.RequestDelegate.Invoke(mqttRequestContext4);
Assert.True(result1);
Assert.True(result2);
Assert.True(result3);
Assert.False(result4);
}