|
private ReadFromStreamAsync ( Type type, |
||
| type | Type | |
| readStream | ||
| content | ||
| formatterLogger | IFormatterLogger | |
| Результат | Task | |
public override Task <object> ReadFromStreamAsync(
Type type,
Stream readStream,
HttpContent content,
IFormatterLogger formatterLogger
)
{
return(_innerTracer.ReadFromStreamAsync(type, readStream, content, formatterLogger));
}
public void OnReadFromStreamAsync_Traces_And_Throws_When_Inner_Throws()
{
// Arrange
InvalidOperationException exception = new InvalidOperationException("test");
Mock<MediaTypeFormatter> mockFormatter = new Mock<MediaTypeFormatter>() { CallBase = true };
mockFormatter.Setup(
f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), It.IsAny<HttpContentHeaders>(), It.IsAny<IFormatterLogger>())).Throws(exception);
TestTraceWriter traceWriter = new TestTraceWriter();
HttpRequestMessage request = new HttpRequestMessage();
request.Content = new StringContent("");
MediaTypeFormatterTracer tracer = new MediaTypeFormatterTracer(mockFormatter.Object, traceWriter, request);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info) { Kind = TraceKind.Begin, Operation = "ReadFromStreamAsync" },
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Error) { Kind = TraceKind.End, Operation = "ReadFromStreamAsync" }
};
// Act
Exception thrown = Assert.Throws<InvalidOperationException>(() => tracer.ReadFromStreamAsync(typeof(string), new MemoryStream(), request.Content.Headers, null));
// Assert
Assert.Equal<TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
}
public void OnReadFromStreamAsync_Traces()
{
// Arrange
Mock<MediaTypeFormatter> mockFormatter = new Mock<MediaTypeFormatter>() { CallBase = true };
mockFormatter.Setup(
f => f.ReadFromStreamAsync(It.IsAny<Type>(), It.IsAny<Stream>(), It.IsAny<HttpContentHeaders>(), It.IsAny<IFormatterLogger>())).
Returns(TaskHelpers.FromResult<object>("sampleValue"));
TestTraceWriter traceWriter = new TestTraceWriter();
HttpRequestMessage request = new HttpRequestMessage();
request.Content = new StringContent("");
MediaTypeFormatterTracer tracer = new MediaTypeFormatterTracer(mockFormatter.Object, traceWriter, request);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info) { Kind = TraceKind.Begin, Operation = "ReadFromStreamAsync" },
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info) { Kind = TraceKind.End, Operation = "ReadFromStreamAsync" }
};
// Act
Task<object> task = tracer.ReadFromStreamAsync(typeof(string), new MemoryStream(), request.Content.Headers, null);
string result = task.Result as string;
// Assert
Assert.Equal<TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.Equal("sampleValue", result);
}
public async Task ReadFromStreamAsync_LogErrorFromJsonRequestBody(IList <TraceRecord> expectedTraces,
HttpRequestMessage request,
string requestBody)
{
// Arrange
var formatter = new JsonMediaTypeFormatter();
formatter.UseDataContractJsonSerializer = false;
HttpContent content = new StringContent(requestBody);
content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json");
var loggerMock = new Mock <IFormatterLogger>();
loggerMock.Setup(l => l.LogError(It.IsAny <string>(), It.IsAny <Exception>()));
TestTraceWriter traceWriter = new TestTraceWriter();
var tracer = new MediaTypeFormatterTracer(formatter, traceWriter, request);
// Act
await tracer.ReadFromStreamAsync(typeof(SampleType),
await content.ReadAsStreamAsync(),
content, loggerMock.Object
);
// Assert
// Error must always be marked as handled at ReadFromStream in BaseJsonMediaTypeFormatters,
// so it would not propagate to here.
// Note that regarding the exception's comparison in the record we only compare its message,
// because we cannot get the exact exception and message would be enough for logging.
Assert.Equal <TraceRecord>(expectedTraces,
traceWriter.Traces,
new TraceRecordComparer()
{
IgnoreExceptionReference = true
});
}
public void OnReadFromStreamAsync_Traces_And_Faults_When_Inner_Faults()
{
// Arrange
InvalidOperationException exception = new InvalidOperationException("test");
Mock <MediaTypeFormatter> mockFormatter = new Mock <MediaTypeFormatter>()
{
CallBase = true
};
TaskCompletionSource <object> tcs = new TaskCompletionSource <object>();
tcs.TrySetException(exception);
mockFormatter.Setup(
f => f.ReadFromStreamAsync(It.IsAny <Type>(), It.IsAny <Stream>(), It.IsAny <HttpContentHeaders>(), It.IsAny <IFormatterLogger>())).
Returns(tcs.Task);
TestTraceWriter traceWriter = new TestTraceWriter();
HttpRequestMessage request = new HttpRequestMessage();
request.Content = new StringContent("");
MediaTypeFormatterTracer tracer = new MediaTypeFormatterTracer(mockFormatter.Object, traceWriter, request);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "ReadFromStreamAsync"
},
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Error)
{
Kind = TraceKind.End, Operation = "ReadFromStreamAsync"
}
};
// Act
Task <object> task = tracer.ReadFromStreamAsync(typeof(string), new MemoryStream(), request.Content.Headers, null);
// Assert
Exception thrown = Assert.Throws <InvalidOperationException>(() => task.Wait());
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.Same(exception, thrown);
Assert.Same(exception, traceWriter.Traces[1].Exception);
}
public void OnReadFromStreamAsync_Traces()
{
// Arrange
Mock <MediaTypeFormatter> mockFormatter = new Mock <MediaTypeFormatter>()
{
CallBase = true
};
mockFormatter.Setup(
f => f.ReadFromStreamAsync(It.IsAny <Type>(), It.IsAny <Stream>(), It.IsAny <HttpContentHeaders>(), It.IsAny <IFormatterLogger>())).
Returns(TaskHelpers.FromResult <object>("sampleValue"));
TestTraceWriter traceWriter = new TestTraceWriter();
HttpRequestMessage request = new HttpRequestMessage();
request.Content = new StringContent("");
MediaTypeFormatterTracer tracer = new MediaTypeFormatterTracer(mockFormatter.Object, traceWriter, request);
TraceRecord[] expectedTraces = new TraceRecord[]
{
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info)
{
Kind = TraceKind.Begin, Operation = "ReadFromStreamAsync"
},
new TraceRecord(request, TraceCategories.FormattingCategory, TraceLevel.Info)
{
Kind = TraceKind.End, Operation = "ReadFromStreamAsync"
}
};
// Act
Task <object> task = tracer.ReadFromStreamAsync(typeof(string), new MemoryStream(), request.Content.Headers, null);
string result = task.Result as string;
// Assert
Assert.Equal <TraceRecord>(expectedTraces, traceWriter.Traces, new TraceRecordComparer());
Assert.Equal("sampleValue", result);
}
