private Tuple <ElmLogger, ElmStore> SetUp(Func <string, LogLevel, bool> filter = null, string name = null)
{
// Arrange
var store = new ElmStore();
var options = new ElmOptions()
{
Filter = filter ?? _filter
};
var provider = new ElmLoggerProvider(store, options);
var logger = (ElmLogger)provider.CreateLogger(name ?? _name);
return(new Tuple <ElmLogger, ElmStore>(logger, store));
}
public async void Invoke_WithMatchingPath_FulfillsRequest()
{
// Arrange
var elmStore = new ElmStore();
var factory = new LoggerFactory();
var optionsMock = new Mock <IOptions <ElmOptions> >();
optionsMock
.SetupGet(o => o.Value)
.Returns(new ElmOptions());
factory.AddProvider(new ElmLoggerProvider(elmStore, optionsMock.Object));
RequestDelegate next = _ =>
{
return(Task.FromResult <object>(null));
};
var captureMiddleware = new ElmCaptureMiddleware(
next,
factory,
optionsMock.Object);
var pageMiddleware = new ElmPageMiddleware(
next,
optionsMock.Object,
elmStore);
var contextMock = GetMockContext("/Elm");
using (var responseStream = new MemoryStream())
{
contextMock
.SetupGet(c => c.Response.Body)
.Returns(responseStream);
contextMock
.SetupGet(c => c.RequestServices)
.Returns(() => null);
// Act
await captureMiddleware.Invoke(contextMock.Object);
await pageMiddleware.Invoke(contextMock.Object);
string response = Encoding.UTF8.GetString(responseStream.ToArray());
// Assert
contextMock.VerifyGet(c => c.Request.Query, Times.AtLeastOnce());
Assert.Contains("<title>ASP.NET Core Logs</title>", response);
}
}
public async void Invoke_BadRequestShowsError()
{
// Arrange
var elmStore = new ElmStore();
var factory = new LoggerFactory();
var optionsMock = new Mock <IOptions <ElmOptions> >();
optionsMock
.SetupGet(o => o.Options)
.Returns(new ElmOptions());
factory.AddProvider(new ElmLoggerProvider(elmStore, optionsMock.Object.Options));
RequestDelegate next = _ =>
{
return(Task.FromResult <object>(null));
};
var captureMiddleware = new ElmCaptureMiddleware(
next,
factory,
optionsMock.Object);
var pageMiddleware = new ElmPageMiddleware(
next,
optionsMock.Object,
elmStore);
var contextMock = GetMockContext("/Elm/666");
using (var responseStream = new MemoryStream())
{
contextMock
.SetupGet(c => c.Response.Body)
.Returns(responseStream);
// Act
await captureMiddleware.Invoke(contextMock.Object);
await pageMiddleware.Invoke(contextMock.Object);
string response = Encoding.UTF8.GetString(responseStream.ToArray());
// Assert
contextMock.VerifyGet(c => c.Request.Query, Times.AtLeastOnce());
Assert.True(response.Contains("Invalid Id"));
}
}
private IEnumerable <ActivityContextDto> GetLogDetails(ElmStore elmStore)
{
var activities = new List <ActivityContextDto>();
foreach (var activity in elmStore.GetActivities().Reverse())
{
var rootScopeNodeDto = new ScopeNodeDto();
CopyScopeNodeTree(activity.Root, rootScopeNodeDto);
activities.Add(new ActivityContextDto()
{
RequestInfo = GetRequestInfoDto(activity.HttpInfo),
Id = activity.Id,
RepresentsScope = activity.RepresentsScope,
Root = rootScopeNodeDto
});
}
return(activities);
}
public Task Invoke(HttpContext context, ElmStore elmStore)
{
var currentRequest = context.Request;
var logActivities = GetLogDetails(elmStore);
context.Response.StatusCode = StatusCodes.Status200OK;
context.Response.ContentType = "application/json";
var serializer = JsonSerializer.Create();
using (var writer = new JsonTextWriter(new StreamWriter(stream: context.Response.Body,
encoding: Encoding.UTF8,
bufferSize: 1024,
leaveOpen: true)))
{
serializer.Serialize(writer, logActivities);
}
return(Task.FromResult(true));
}
public async void Invoke_WithNonMatchingPath_IgnoresRequest()
{
// Arrange
var elmStore = new ElmStore();
var factory = new LoggerFactory();
var optionsMock = new Mock <IOptions <ElmOptions> >();
optionsMock
.SetupGet(o => o.Value)
.Returns(new ElmOptions());
factory.AddProvider(new ElmLoggerProvider(elmStore, optionsMock.Object));
RequestDelegate next = _ =>
{
return(Task.FromResult <object>(null));
};
var captureMiddleware = new ElmCaptureMiddleware(
next,
factory,
optionsMock.Object);
var pageMiddleware = new ElmPageMiddleware(
next,
optionsMock.Object,
elmStore);
var contextMock = GetMockContext("/nonmatchingpath");
// Act
await captureMiddleware.Invoke(contextMock.Object);
await pageMiddleware.Invoke(contextMock.Object);
// Assert
// Request.Query is used by the ElmPageMiddleware to parse the query parameters
contextMock.VerifyGet(c => c.Request.Query, Times.Never());
}
