public async Task RouteHandler_RemovesRouteGroupFromRouteValues()
{
// Arrange
var invoker = new Mock <IActionInvoker>();
invoker
.Setup(i => i.InvokeAsync())
.Returns(Task.FromResult(true));
var invokerFactory = new Mock <IActionInvokerFactory>();
invokerFactory
.Setup(f => f.CreateInvoker(It.IsAny <ActionContext>()))
.Returns <ActionContext>((c) =>
{
return(invoker.Object);
});
var context = CreateRouteContext(invokerFactory: invokerFactory.Object);
var handler = new MvcRouteHandler();
var originalRouteData = context.RouteData;
originalRouteData.Values.Add(TreeRouter.RouteGroupKey, "/Home/Test");
// Act
await handler.RouteAsync(context);
// Assert
Assert.Same(originalRouteData, context.RouteData);
Assert.False(context.RouteData.Values.ContainsKey(TreeRouter.RouteGroupKey));
}
public async Task RouteAsync_FailOnNoAction_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var mockActionSelector = new Mock <IActionSelector>();
mockActionSelector.Setup(a => a.SelectAsync(It.IsAny <RouteContext>()))
.Returns(Task.FromResult <ActionDescriptor>(null));
var context = CreateRouteContext(
actionSelector: mockActionSelector.Object,
loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
var expectedMessage = "No actions matched the current request";
// Act
await handler.RouteAsync(context);
// Assert
Assert.Empty(sink.Scopes);
Assert.Single(sink.Writes);
Assert.Equal(expectedMessage, sink.Writes[0].State?.ToString());
}
public async Task RouteHandler_Success_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var displayName = "A.B.C";
var actionDescriptor = new Mock<ActionDescriptor>();
actionDescriptor
.SetupGet(ad => ad.DisplayName)
.Returns(displayName);
var context = CreateRouteContext(actionDescriptor: actionDescriptor.Object, loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
await handler.RouteAsync(context);
// Act
await context.Handler(context.HttpContext);
// Assert
Assert.Single(sink.Scopes);
Assert.Equal(displayName, sink.Scopes[0].Scope?.ToString());
Assert.Equal(2, sink.Writes.Count);
Assert.Equal($"Executing action {displayName}", sink.Writes[0].State?.ToString());
// This message has the execution time embedded, which we don't want to verify.
Assert.StartsWith($"Executed action {displayName} ", sink.Writes[1].State?.ToString());
}
public async Task RouteAsync_FailOnNoAction_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var mockActionSelector = new Mock<IActionSelector>();
mockActionSelector
.Setup(a => a.Select(It.IsAny<RouteContext>()))
.Returns<ActionDescriptor>(null);
var context = CreateRouteContext(
actionSelector: mockActionSelector.Object,
loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
var expectedMessage = "No actions matched the current request";
// Act
await handler.RouteAsync(context);
// Assert
Assert.Empty(sink.Scopes);
Assert.Single(sink.Writes);
Assert.Equal(expectedMessage, sink.Writes[0].State?.ToString());
}
public async Task RouteAsync_Success_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var displayName = "A.B.C";
var actionDescriptor = new Mock <ActionDescriptor>();
actionDescriptor
.SetupGet(ad => ad.DisplayName)
.Returns(displayName);
var context = CreateRouteContext(actionDescriptor: actionDescriptor.Object, loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
// Act
await handler.RouteAsync(context);
// Assert
Assert.Single(sink.Scopes);
Assert.Equal(displayName, sink.Scopes[0].Scope?.ToString());
Assert.Equal(2, sink.Writes.Count);
Assert.Equal($"Executing action {displayName}", sink.Writes[0].State?.ToString());
// This message has the execution time embedded, which we don't want to verify.
Assert.StartsWith($"Executed action {displayName} ", sink.Writes[1].State?.ToString());
}
public async Task RouteAsync_WritesDiagnostic_ActionSelected()
{
// Arrange
var listener = new TestDiagnosticListener();
var context = CreateRouteContext(diagnosticListener: listener);
context.RouteData.Values.Add("tag", "value");
var handler = new MvcRouteHandler();
// Act
await handler.RouteAsync(context);
// Assert
Assert.NotNull(listener.BeforeAction?.ActionDescriptor);
Assert.NotNull(listener.BeforeAction?.HttpContext);
var routeValues = listener.BeforeAction?.RouteData?.Values;
Assert.NotNull(routeValues);
Assert.Equal(1, routeValues.Count);
Assert.Contains(routeValues, kvp => kvp.Key == "tag" && string.Equals(kvp.Value, "value"));
}
public async Task RouteAsync_WritesDiagnostic_ActionInvoked()
{
// Arrange
var listener = new TestDiagnosticListener();
var context = CreateRouteContext(diagnosticListener: listener);
var handler = new MvcRouteHandler();
// Act
await handler.RouteAsync(context);
// Assert
Assert.NotNull(listener.AfterAction?.ActionDescriptor);
Assert.NotNull(listener.AfterAction?.HttpContext);
}
public async Task RouteAsync_Notifies_ActionInvoked()
{
// Arrange
var listener = new TestTelemetryListener();
var context = CreateRouteContext(telemetryListener: listener);
var handler = new MvcRouteHandler();
// Act
await handler.RouteAsync(context);
// Assert
Assert.NotNull(listener.AfterAction?.ActionDescriptor);
Assert.NotNull(listener.AfterAction?.HttpContext);
}
public async Task Execute(TextWriter writer)
{
var routeContext = new RouteContext(_httpContext)
{
RouteData = new RouteData(_routeData)
};
// Save current context
var currentOutputStream = _httpContext.Response.Body;
var currentRouteData = routeContext.RouteData;
using (var outputStream = new MemoryStream())
{
// Setup context
_httpContext.Response.Body = outputStream;
routeContext.RouteData.Values["controller"] = _controller;
routeContext.RouteData.Values["action"] = _action;
var handler = new MvcRouteHandler();
try
{
// Invoke controller
await handler.RouteAsync(routeContext);
outputStream.Position = 0;
using (var reader = new StreamReader(outputStream))
{
var output = await reader.ReadToEndAsync();
await writer.WriteLineAsync(output);
}
routeContext.IsHandled = true;
}
finally
{
// Restore context
routeContext.RouteData = currentRouteData;
_httpContext.Response.Body = currentOutputStream;
}
}
}
public async Task RouteAsync_ResetsRouteDataOnException()
{
// Arrange
RouteData actionRouteData = null;
var invoker = new Mock <IActionInvoker>();
invoker
.Setup(i => i.InvokeAsync())
.Throws(new Exception());
var invokerFactory = new Mock <IActionInvokerFactory>();
invokerFactory
.Setup(f => f.CreateInvoker(It.IsAny <ActionContext>()))
.Returns <ActionContext>((c) =>
{
actionRouteData = c.RouteData;
c.RouteData.Values.Add("action", "Index");
return(invoker.Object);
});
var context = CreateRouteContext(invokerFactory: invokerFactory.Object);
var handler = new MvcRouteHandler();
var initialRouter = Mock.Of <IRouter>();
var originalRouteData = context.RouteData;
originalRouteData.Routers.Add(initialRouter);
// Act
await Assert.ThrowsAsync <Exception>(() => handler.RouteAsync(context));
// Assert
Assert.Same(originalRouteData, context.RouteData);
Assert.NotSame(originalRouteData, actionRouteData);
Assert.NotSame(actionRouteData, context.RouteData);
// The new routedata is a copy
Assert.Null(context.RouteData.Values["action"]);
Assert.Equal("Index", actionRouteData.Values["action"]);
Assert.Equal(initialRouter, Assert.Single(actionRouteData.Routers));
}
public async Task RouteAsync_Success_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var displayName = "A.B.C";
var actionDescriptor = new Mock<ActionDescriptor>();
actionDescriptor.SetupGet(ad => ad.DisplayName)
.Returns(displayName);
var context = CreateRouteContext(actionDescriptor: actionDescriptor.Object, loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
var expectedMessage = $"Executing action {displayName}";
// Act
await handler.RouteAsync(context);
// Assert
Assert.Single(sink.Scopes);
Assert.StartsWith("ActionId: ", sink.Scopes[0].Scope?.ToString());
Assert.Single(sink.Writes);
Assert.Equal(expectedMessage, sink.Writes[0].State?.ToString());
}
public async Task RouteAsync_Success_LogsCorrectValues()
{
// Arrange
var sink = new TestSink();
var loggerFactory = new TestLoggerFactory(sink, enabled: true);
var displayName = "A.B.C";
var actionDescriptor = new Mock <ActionDescriptor>();
actionDescriptor.SetupGet(ad => ad.DisplayName)
.Returns(displayName);
var context = CreateRouteContext(actionDescriptor: actionDescriptor.Object, loggerFactory: loggerFactory);
var handler = new MvcRouteHandler();
var expectedMessage = $"Executing action {displayName}";
// Act
await handler.RouteAsync(context);
// Assert
Assert.Single(sink.Scopes);
Assert.StartsWith("ActionId: ", sink.Scopes[0].Scope?.ToString());
Assert.Single(sink.Writes);
Assert.Equal(expectedMessage, sink.Writes[0].State?.ToString());
}
public async Task RouteHandler_RemovesRouteGroupFromRouteValues()
{
// Arrange
var invoker = new Mock<IActionInvoker>();
invoker
.Setup(i => i.InvokeAsync())
.Returns(Task.FromResult(true));
var invokerFactory = new Mock<IActionInvokerFactory>();
invokerFactory
.Setup(f => f.CreateInvoker(It.IsAny<ActionContext>()))
.Returns<ActionContext>((c) =>
{
return invoker.Object;
});
var context = CreateRouteContext(invokerFactory: invokerFactory.Object);
var handler = new MvcRouteHandler();
var originalRouteData = context.RouteData;
originalRouteData.Values.Add(TreeRouter.RouteGroupKey, "/Home/Test");
// Act
await handler.RouteAsync(context);
// Assert
Assert.Same(originalRouteData, context.RouteData);
Assert.False(context.RouteData.Values.ContainsKey(TreeRouter.RouteGroupKey));
}
public async Task RouteAsync_CreatesNewRouteData()
{
// Arrange
RouteData actionRouteData = null;
var invoker = new Mock<IActionInvoker>();
invoker
.Setup(i => i.InvokeAsync())
.Returns(Task.FromResult(true));
var invokerFactory = new Mock<IActionInvokerFactory>();
invokerFactory
.Setup(f => f.CreateInvoker(It.IsAny<ActionContext>()))
.Returns<ActionContext>((c) =>
{
actionRouteData = c.RouteData;
return invoker.Object;
});
var initialRouter = Mock.Of<IRouter>();
var context = CreateRouteContext(invokerFactory: invokerFactory.Object);
var handler = new MvcRouteHandler();
var originalRouteData = context.RouteData;
originalRouteData.Routers.Add(initialRouter);
originalRouteData.Values.Add("action", "Index");
// Act
await handler.RouteAsync(context);
// Assert
Assert.NotSame(originalRouteData, context.RouteData);
Assert.NotSame(originalRouteData, actionRouteData);
Assert.Same(actionRouteData, context.RouteData);
// The new routedata is a copy
Assert.Equal("Index", context.RouteData.Values["action"]);
Assert.Equal(initialRouter, Assert.Single(context.RouteData.Routers));
}
public async Task RouteHandler_WritesDiagnostic_ActionInvoked()
{
// Arrange
var listener = new TestDiagnosticListener();
var context = CreateRouteContext(diagnosticListener: listener);
var handler = new MvcRouteHandler();
await handler.RouteAsync(context);
// Act
await context.Handler(context.HttpContext);
// Assert
Assert.NotNull(listener.AfterAction?.ActionDescriptor);
Assert.NotNull(listener.AfterAction?.HttpContext);
}
public async Task RouteHandler_WritesDiagnostic_ActionSelected()
{
// Arrange
var listener = new TestDiagnosticListener();
var context = CreateRouteContext(diagnosticListener: listener);
context.RouteData.Values.Add("tag", "value");
var handler = new MvcRouteHandler();
await handler.RouteAsync(context);
// Act
await context.Handler(context.HttpContext);
// Assert
Assert.NotNull(listener.BeforeAction?.ActionDescriptor);
Assert.NotNull(listener.BeforeAction?.HttpContext);
var routeValues = listener.BeforeAction?.RouteData?.Values;
Assert.NotNull(routeValues);
Assert.Equal(1, routeValues.Count);
Assert.Contains(routeValues, kvp => kvp.Key == "tag" && string.Equals(kvp.Value, "value"));
}
public async Task RouteAsync_Notifies_ActionInvoked()
{
// Arrange
var listener = new TestTelemetryListener();
var context = CreateRouteContext(telemetryListener: listener);
var handler = new MvcRouteHandler();
// Act
await handler.RouteAsync(context);
// Assert
Assert.NotNull(listener.AfterAction?.ActionDescriptor);
Assert.NotNull(listener.AfterAction?.HttpContext);
}