public async Task ShouldCallLambdaWithEachMessage(
SnsRecord <TestLambdaMessage> record,
ServiceCollection serviceCollection,
JsonSerializer serializer,
ILogger logger,
[Substitute] TestSnsLambda lambda
)
{
var request = new SnsEvent <TestLambdaMessage>(new[] { record });
serviceCollection.AddSingleton <ISerializer>(serializer);
var serviceProvider = serviceCollection.BuildServiceProvider();
var cancellationToken = new CancellationToken(false);
var host = new TestSnsLambdaHost(lambdaHost =>
{
lambdaHost.Lambda = lambda;
lambdaHost.Scope = serviceProvider.CreateScope();
lambdaHost.Serializer = serializer;
lambdaHost.Logger = logger;
});
using var inputStream = await StreamUtils.CreateJsonStream(request);
await host.InvokeLambda(inputStream, cancellationToken);
await lambda.Received().Handle(Matches(record.Sns), Is(cancellationToken));
}
public async Task ShouldThrowIfEventDeserializesToNull(
ServiceCollection serviceCollection,
JsonSerializer serializer,
ILogger logger,
[Substitute] TestSnsLambda lambda
)
{
serviceCollection.AddSingleton <ISerializer>(serializer);
var serviceProvider = serviceCollection.BuildServiceProvider();
var cancellationToken = new CancellationToken(false);
var host = new TestSnsLambdaHost(lambdaHost =>
{
lambdaHost.Lambda = lambda;
lambdaHost.Scope = serviceProvider.CreateScope();
lambdaHost.Serializer = serializer;
lambdaHost.Logger = logger;
});
using var inputStream = await StreamUtils.CreateJsonStream <object?>(null);
Func <Task> func = () => host.InvokeLambda(inputStream, cancellationToken);
await func.Should().ThrowAsync <InvalidLambdaParameterException>();
}