public void ProcessMessages_UnregisterPlugin_RemovesFaultedPlugins()
{
var pluginType = typeof(MessageBrokerCreationTestPlugin);
var typeNameLookups = new Dictionary <string, Type>
{
{ pluginType.FullName, pluginType }
};
var testAssembly = new TestAssembly(typeNameLookups);
var assemblyLookups = new Dictionary <string, Assembly>
{
{ "CustomAssembly", testAssembly }
};
var assemblyLoadContext = new FailureAssemblyLoadContext(assemblyLookups);
var creationChecker = new PluginTypeCreationChecker();
var serviceLookups = new Dictionary <Type, object>
{
{ typeof(PluginTypeCreationChecker), creationChecker }
};
var serviceProvider = new TestServiceProvider(serviceLookups);
object rawMessageBrokerData = null;
var pluginHandler = new PluginHandler(serviceProvider, (data) => rawMessageBrokerData = data);
var registerPluginMessage = new PluginMessage
{
Data = new JObject
{
{ "AssemblyName", "CustomAssembly" },
{ "TypeName", typeof(MessageBrokerCreationTestPlugin).FullName },
},
MessageName = "RegisterPlugin",
PluginId = RandomGuidId
};
var unregisterPluginMessage = new PluginMessage
{
MessageName = "UnregisterPlugin",
PluginId = RandomGuidId
};
pluginHandler.OnReceive(registerPluginMessage);
pluginHandler.ProcessMessages(assemblyLoadContext);
var messageBrokerData = Assert.IsType <PluginMessageBroker.PluginMessageWrapperData>(rawMessageBrokerData);
Assert.Equal(RandomGuidId, messageBrokerData.PluginId);
PluginResponseMessage responseMessage =
Assert.IsType <RegisterPluginResponseMessage>(messageBrokerData.Data);
Assert.False(responseMessage.Success);
Assert.Equal("RegisterPlugin", responseMessage.MessageName, StringComparer.Ordinal);
Assert.NotEmpty(responseMessage.Error);
Assert.False(creationChecker.Created);
pluginHandler.OnReceive(unregisterPluginMessage);
pluginHandler.ProcessMessages(assemblyLoadContext);
messageBrokerData = Assert.IsType <PluginMessageBroker.PluginMessageWrapperData>(rawMessageBrokerData);
Assert.Equal(RandomGuidId, messageBrokerData.PluginId);
responseMessage = Assert.IsType <PluginResponseMessage>(messageBrokerData.Data);
Assert.True(responseMessage.Success);
Assert.Equal("UnregisterPlugin", responseMessage.MessageName, StringComparer.Ordinal);
Assert.Null(responseMessage.Error);
Assert.False(creationChecker.Created);
}