public void Generate_WithMultipleOutParameters()
{
string functionName = "FunctionWithOuts";
Collection <ParameterDescriptor> parameters = new Collection <ParameterDescriptor>();
parameters.Add(new ParameterDescriptor("param1", typeof(string)));
parameters.Add(new ParameterDescriptor("param2", typeof(string).MakeByRefType())
{
Attributes = ParameterAttributes.Out
});
parameters.Add(new ParameterDescriptor("param3", typeof(string).MakeByRefType())
{
Attributes = ParameterAttributes.Out
});
FunctionMetadata metadata = new FunctionMetadata();
TestInvoker invoker = new TestInvoker();
FunctionDescriptor function = new FunctionDescriptor(functionName, invoker, metadata, parameters);
Collection <FunctionDescriptor> functions = new Collection <FunctionDescriptor>();
functions.Add(function);
// Make sure we don't generate a TimeoutAttribute if FunctionTimeout is null.
ScriptHostConfiguration scriptConfig = new ScriptHostConfiguration();
scriptConfig.FunctionTimeout = null;
Collection <CustomAttributeBuilder> typeAttributes = ScriptHost.CreateTypeAttributes(scriptConfig);
// generate the Type
Type functionType = FunctionGenerator.Generate("TestScriptHost", "TestFunctions", typeAttributes, functions);
// verify the generated function
MethodInfo method = functionType.GetMethod(functionName);
IEnumerable <Attribute> attributes = functionType.GetCustomAttributes();
Assert.Empty(attributes);
ParameterInfo[] functionParams = method.GetParameters();
// Verify that we have the correct number of parameters
Assert.Equal(parameters.Count, functionParams.Length);
// Verify that out parameters were correctly generated
Assert.True(functionParams[1].IsOut);
Assert.True(functionParams[2].IsOut);
// Verify that the method is invocable
method.Invoke(null, new object[] { "test", null, null });
// verify our custom invoker was called
Assert.Equal(1, invoker.InvokeCount);
}
public async Task Generate_EndToEnd()
{
// construct our TimerTrigger attribute ([TimerTrigger("00:00:02", RunOnStartup = true)])
Collection <ParameterDescriptor> parameters = new Collection <ParameterDescriptor>();
ParameterDescriptor parameter = new ParameterDescriptor("timerInfo", typeof(TimerInfo));
ConstructorInfo ctorInfo = typeof(TimerTriggerAttribute).GetConstructor(new Type[] { typeof(string) });
PropertyInfo runOnStartupProperty = typeof(TimerTriggerAttribute).GetProperty("RunOnStartup");
CustomAttributeBuilder attributeBuilder = new CustomAttributeBuilder(
ctorInfo,
new object[] { "00:00:02" },
new PropertyInfo[] { runOnStartupProperty },
new object[] { true });
parameter.CustomAttributes.Add(attributeBuilder);
parameters.Add(parameter);
// create the FunctionDefinition
FunctionMetadata metadata = new FunctionMetadata();
TestInvoker invoker = new TestInvoker();
FunctionDescriptor function = new FunctionDescriptor("TimerFunction", invoker, metadata, parameters);
Collection <FunctionDescriptor> functions = new Collection <FunctionDescriptor>();
functions.Add(function);
// Get the Type Attributes (in this case, a TimeoutAttribute)
ScriptHostConfiguration scriptConfig = new ScriptHostConfiguration();
scriptConfig.FunctionTimeout = TimeSpan.FromMinutes(5);
Collection <CustomAttributeBuilder> typeAttributes = ScriptHost.CreateTypeAttributes(scriptConfig);
// generate the Type
Type functionType = FunctionGenerator.Generate("TestScriptHost", "TestFunctions", typeAttributes, functions);
// verify the generated function
MethodInfo method = functionType.GetMethod("TimerFunction");
TimeoutAttribute timeoutAttribute = (TimeoutAttribute)functionType.GetCustomAttributes().Single();
Assert.Equal(TimeSpan.FromMinutes(5), timeoutAttribute.Timeout);
Assert.True(timeoutAttribute.ThrowOnTimeout);
Assert.True(timeoutAttribute.TimeoutWhileDebugging);
ParameterInfo triggerParameter = method.GetParameters()[0];
TimerTriggerAttribute triggerAttribute = triggerParameter.GetCustomAttribute <TimerTriggerAttribute>();
Assert.NotNull(triggerAttribute);
// start the JobHost which will start running the timer function
JobHostConfiguration config = new JobHostConfiguration()
{
TypeLocator = new TypeLocator(functionType)
};
config.UseTimers();
JobHost host = new JobHost(config);
await host.StartAsync();
await Task.Delay(3000);
await host.StopAsync();
// verify our custom invoker was called
Assert.True(invoker.InvokeCount >= 2);
}
