public async Task MessageAdapter_WhenFileOutputTargetIsSpecified_ShouldCallFileCommandHandler()
{
var settingsMock = Substitute.For <ISettings>();
var message = _fixture.Create <MessageResponse>();
var persistenceFactory = new PersistenceCommandFactory();
var fileHandlerMock = Substitute.For <ICommandHandler>();
persistenceFactory.RegisterCommand("file", () => fileHandlerMock);
settingsMock
.OutputTarget
.Returns("file");
settingsMock
.FileName
.Returns("myfile.txt");
var adapter = new MessageAdapter(settingsMock, persistenceFactory);
await adapter.WriteReplyAsync(message, CancellationToken.None);
await fileHandlerMock
.Received(1)
.ProcessCommand(Arg.Any <string>());
}
public static IServiceCollection AddDataLayer(this IServiceCollection serviceCollection)
{
return(serviceCollection
.AddSingleton <IMessageAdapter, MessageAdapter>()
.AddSingleton <FileCommandHandler>()
.AddSingleton(sp =>
{
var commandFactory = new PersistenceCommandFactory();
commandFactory.RegisterCommand("file", sp.GetService <FileCommandHandler>);
return commandFactory;
}));
}
public async Task MessageAdapter_WhenCancellationRequested_ShouldThrow()
{
var settingsMock = Substitute.For <ISettings>();
var persistenceFactory = new PersistenceCommandFactory();
settingsMock
.TargetLanguage
.Returns("RU");
var adapter = new MessageAdapter(settingsMock, persistenceFactory);
var cancelledToken = new CancellationToken(true);
await Assert.ThrowsAsync <OperationCanceledException>(async() => await adapter.GetMessageAsync(cancelledToken));
}
public async Task MessageAdapter_WhenLanguageIsUnexpected_ShouldReturnEnglish()
{
var settingsMock = Substitute.For <ISettings>();
var persistenceFactory = new PersistenceCommandFactory();
settingsMock
.TargetLanguage
.Returns(_fixture.Create <string>());
var adapter = new MessageAdapter(settingsMock, persistenceFactory);
var message = await adapter.GetMessageAsync(CancellationToken.None);
Assert.Equal("Hello World", message.Message);
}
public async Task MessageAdapter_WhenLanguageIsDE_ShouldReturnMessage()
{
var settingsMock = Substitute.For <ISettings>();
var persistenceFactory = new PersistenceCommandFactory();
settingsMock
.TargetLanguage
.Returns("DE");
var adapter = new MessageAdapter(settingsMock, persistenceFactory);
var message = await adapter.GetMessageAsync(CancellationToken.None);
Assert.Equal("Hallo Welt", message.Message);
}
public MessageAdapter(ISettings settings, PersistenceCommandFactory persistenceCommandFactory)
{
_settings = settings;
_persistenceCommandFactory = persistenceCommandFactory;
}
