public void SendRequestAsync_NullInvoker_Throws()
{
ChangeSetRequestItem requestItem = new ChangeSetRequestItem(new HttpRequestMessage[0]);
Assert.ThrowsArgumentNull(
() => requestItem.SendRequestAsync(null, CancellationToken.None).Wait(),
"invoker");
}
public void SendRequestAsync_ReturnsChangeSetResponse()
{
HttpRequestMessage[] requests = new HttpRequestMessage[]
{
new HttpRequestMessage(HttpMethod.Get, "http://example.com"),
new HttpRequestMessage(HttpMethod.Post, "http://example.com")
};
ChangeSetRequestItem requestItem = new ChangeSetRequestItem(requests);
Mock<HttpMessageInvoker> invoker = new Mock<HttpMessageInvoker>(new HttpServer());
invoker.Setup(i => i.SendAsync(It.IsAny<HttpRequestMessage>(), CancellationToken.None))
.Returns(() =>
{
return Task.FromResult(new HttpResponseMessage());
});
var response = requestItem.SendRequestAsync(invoker.Object, CancellationToken.None).Result;
var changesetResponse = Assert.IsType<ChangeSetResponseItem>(response);
Assert.Equal(2, changesetResponse.Responses.Count());
}
private async Task ExecuteChangeSet(
ChangeSetRequestItem changeSet,
IList<ODataBatchResponseItem> responses,
CancellationToken cancellation)
{
ChangeSetResponseItem changeSetResponse;
// Create a new ShoppingContext instance, associate it with each of the requests, start a new
// transaction, execute the changeset and then commit or rollback the transaction depending on
// whether the responses were all successful or not.
using (ShoppingContext context = new ShoppingContext())
{
foreach (HttpRequestMessage request in changeSet.Requests)
{
request.SetContext(context);
}
using (DbContextTransaction transaction = context.Database.BeginTransaction())
{
changeSetResponse = (ChangeSetResponseItem)await changeSet.SendRequestAsync(Invoker, cancellation);
responses.Add(changeSetResponse);
if (changeSetResponse.Responses.All(r => r.IsSuccessStatusCode))
{
transaction.Commit();
}
else
{
transaction.Rollback();
}
}
}
}
public void SendRequestAsync_DisposesResponseInCaseOfException()
{
List<MockHttpResponseMessage> responses = new List<MockHttpResponseMessage>();
ChangeSetRequestItem requestItem = new ChangeSetRequestItem(new HttpRequestMessage[]
{
new HttpRequestMessage(HttpMethod.Get, "http://example.com"),
new HttpRequestMessage(HttpMethod.Post, "http://example.com"),
new HttpRequestMessage(HttpMethod.Put, "http://example.com")
});
Mock<HttpMessageInvoker> invoker = new Mock<HttpMessageInvoker>(new HttpServer());
invoker.Setup(i => i.SendAsync(It.IsAny<HttpRequestMessage>(), CancellationToken.None))
.Returns<HttpRequestMessage, CancellationToken>((req, cancel) =>
{
if (req.Method == HttpMethod.Put)
{
throw new InvalidOperationException();
}
var response = new MockHttpResponseMessage();
responses.Add(response);
return Task.FromResult<HttpResponseMessage>(response);
});
Assert.Throws<InvalidOperationException>(
() => requestItem.SendRequestAsync(invoker.Object, CancellationToken.None).Result);
Assert.Equal(2, responses.Count);
foreach (var response in responses)
{
Assert.True(response.IsDisposed);
}
}
public void SendRequestAsync_ReturnsSingleErrorResponse()
{
HttpRequestMessage[] requests = new HttpRequestMessage[]
{
new HttpRequestMessage(HttpMethod.Get, "http://example.com"),
new HttpRequestMessage(HttpMethod.Post, "http://example.com"),
new HttpRequestMessage(HttpMethod.Put, "http://example.com")
};
ChangeSetRequestItem requestItem = new ChangeSetRequestItem(requests);
Mock<HttpMessageInvoker> invoker = new Mock<HttpMessageInvoker>(new HttpServer());
invoker.Setup(i => i.SendAsync(It.IsAny<HttpRequestMessage>(), CancellationToken.None))
.Returns<HttpRequestMessage, CancellationToken>((req, c) =>
{
if (req.Method == HttpMethod.Post)
{
return Task.FromResult(new HttpResponseMessage(HttpStatusCode.BadRequest));
}
return Task.FromResult(new HttpResponseMessage());
});
var response = requestItem.SendRequestAsync(invoker.Object, CancellationToken.None).Result;
var changesetResponse = Assert.IsType<ChangeSetResponseItem>(response);
Assert.Equal(1, changesetResponse.Responses.Count());
Assert.Equal(HttpStatusCode.BadRequest, changesetResponse.Responses.First().StatusCode);
}