/// <summary>
/// Based on data in the codeBlock, see if we can infer what kind of block this is
/// </summary>
/// <param name="codeBlock"></param>
/// <returns></returns>
private static CodeBlockType InferBlockType(Block codeBlock, string resourceTypeName = null)
{
if (codeBlock.CodeLanguage == "http")
{
// See if this is an HTTP request or HTTP response
Http.HttpParser parser = new Http.HttpParser();
try
{
parser.ParseHttpRequest(codeBlock.Content);
return(CodeBlockType.Request);
}
catch { }
try
{
parser.ParseHttpResponse(codeBlock.Content);
return(CodeBlockType.Response);
}
catch { }
}
else if (codeBlock.CodeLanguage == "json" && !string.IsNullOrEmpty(resourceTypeName))
{
return(CodeBlockType.Resource);
}
return(CodeBlockType.Unknown);
}
private static async Task ValidateMethodWithScenarioAsync(
MethodDefinition method,
ScenarioDefinition scenario,
IServiceAccount account,
AuthenicationCredentials credentials,
ValidationResults results)
{
if (null == method)
throw new ArgumentNullException("method");
if (null == scenario)
throw new ArgumentNullException("scenario");
if (null == account)
throw new ArgumentNullException("account");
if (null == credentials)
throw new ArgumentNullException("credentials");
if (null == results)
throw new ArgumentNullException("results");
var actionName = scenario.Description;
// Generate the tested request by "previewing" the request and executing
// all test-setup procedures
long startTicks = DateTimeOffset.UtcNow.Ticks;
var requestPreviewResult = await method.GenerateMethodRequestAsync(scenario, account.BaseUrl, credentials, method.SourceFile.Parent);
TimeSpan generateMethodDuration = new TimeSpan(DateTimeOffset.UtcNow.Ticks - startTicks);
// Check to see if an error occured building the request, and abort if so.
var generatorResults = results[actionName + " [test-setup requests]"];
generatorResults.AddResults(requestPreviewResult.Messages, requestPreviewResult.IsWarningOrError ? ValidationOutcome.Error : ValidationOutcome.Passed);
generatorResults.Duration = generateMethodDuration;
if (requestPreviewResult.IsWarningOrError)
{
return;
}
// We've done all the test-setup work, now we have the real request to make to the service
HttpRequest requestPreview = requestPreviewResult.Value;
results.AddResult(
actionName,
new ValidationMessage(null, "Generated Method HTTP Request:\r\n{0}", requestPreview.FullHttpText()));
HttpParser parser = new HttpParser();
HttpResponse expectedResponse = null;
if (!string.IsNullOrEmpty(method.ExpectedResponse))
{
expectedResponse = parser.ParseHttpResponse(method.ExpectedResponse);
}
// Execute the actual tested method (the result of the method preview call, which made the test-setup requests)
startTicks = DateTimeOffset.UtcNow.Ticks;
var actualResponse = await requestPreview.GetResponseAsync(account.BaseUrl);
TimeSpan actualMethodDuration = new TimeSpan(DateTimeOffset.UtcNow.Ticks - startTicks);
var requestResults = results[actionName];
if (actualResponse.RetryCount > 0)
{
requestResults.AddResults(
new ValidationError[]
{ new ValidationWarning(ValidationErrorCode.RequestWasRetried, null, "HTTP request was retried {0} times.", actualResponse.RetryCount) });
}
requestResults.AddResults(
new ValidationError[]
{ new ValidationMessage(null, "HTTP Response:\r\n{0}", actualResponse.FullText(false)) });
requestResults.Duration = actualMethodDuration;
// Perform validation on the method's actual response
ValidationError[] errors;
method.ValidateResponse(actualResponse, expectedResponse, scenario, out errors);
requestResults.AddResults(errors);
// TODO: If the method is defined as a long running operation, we need to go poll the status
// URL to make sure that the operation finished and the response type is valid.
if (errors.WereErrors())
results.SetOutcome(actionName, ValidationOutcome.Error);
else if (errors.WereWarnings())
results.SetOutcome(actionName, ValidationOutcome.Warning);
else
results.SetOutcome(actionName, ValidationOutcome.Passed);
}
/// <summary>
/// Checks that the expected response of a method definition is valid with this resource.
/// </summary>
/// <param name="method"></param>
/// <param name="errors"></param>
/// <returns></returns>
public bool ValidateExpectedResponse(MethodDefinition method, out ValidationError[] errors)
{
HttpParser parser = new HttpParser();
var response = parser.ParseHttpResponse(method.ExpectedResponse);
JsonExample example = new JsonExample(response.Body, method.ExpectedResponseMetadata);
var otherSchemas = new Dictionary<string, JsonSchema>();
return this.ValidateJson(example, out errors, otherSchemas, null);
}
/// <summary>
/// Check to ensure the http request is valid
/// </summary>
/// <param name="detectedErrors"></param>
internal void VerifyHttpRequest(List<ValidationError> detectedErrors)
{
HttpParser parser = new HttpParser();
HttpRequest request;
try
{
request = parser.ParseHttpRequest(this.Request);
}
catch (Exception ex)
{
detectedErrors.Add(new ValidationError(ValidationErrorCode.HttpParserError, null, "Exception while parsing HTTP request: {0}", ex.Message));
return;
}
if (null != request.ContentType)
{
if (request.IsMatchingContentType(MimeTypeJson))
{
// Verify that the request is valid JSON
try
{
JsonConvert.DeserializeObject(request.Body);
}
catch (Exception ex)
{
detectedErrors.Add(new ValidationError(ValidationErrorCode.JsonParserException, null, "Invalid JSON format: {0}", ex.Message));
}
}
else if (request.IsMatchingContentType(MimeTypeMultipartRelated))
{
// TODO: Parse the multipart/form-data body to ensure it's properly formatted
}
else if (request.IsMatchingContentType(MimeTypePlainText))
{
// Ignore this, because it isn't something we can verify
}
else
{
detectedErrors.Add(new ValidationWarning(ValidationErrorCode.UnsupportedContentType, null, "Unvalidated request content type: {0}", request.ContentType));
}
}
var verifyApiRequirementsResponse = request.IsRequestValid(this.SourceFile.DisplayName, this.SourceFile.Parent.Requirements);
detectedErrors.AddRange(verifyApiRequirementsResponse.Messages);
}
public void SplitRequestUrl(out string relativePath, out string queryString, out string httpMethod)
{
var parser = new HttpParser();
var request = parser.ParseHttpRequest(this.Request);
httpMethod = request.Method;
request.Url.SplitUrlComponents(out relativePath, out queryString);
}
internal static IEnumerable<ParameterDefinition> MissingRequestParameters(this MethodDefinition method, bool queryStringOnly = false)
{
HttpParser parser = new HttpParser();
var request = parser.ParseHttpRequest(method.Request);
string urlString = request.Url;
string path, queryString;
urlString.SplitUrlComponents(out path, out queryString);
List<ParameterDefinition> missingParameters = new List<ParameterDefinition>();
if (!queryStringOnly)
{
missingParameters.AddRange(from id in FindVariablesInString(path)
where !method.Parameters.HasMatchingParameter(id, ParameterLocation.Path)
select new ParameterDefinition { Name = id, Location = ParameterLocation.Path, Required = true, Type = ParameterDataType.String });
}
if (!string.IsNullOrEmpty(queryString))
{
missingParameters.AddRange(from id in FindVariablesInQueryString(queryString)
where !method.Parameters.HasMatchingParameter(id, ParameterLocation.QueryString)
select new ParameterDefinition { Name = id, Location = ParameterLocation.QueryString, Required = false, Type = ParameterDataType.String });
}
return missingParameters;
}
/// <summary>
/// Take a scenario definition and convert the prototype request into a fully formed request. This includes appending
/// the base URL to the request URL, executing any test-setup requests, and replacing the placeholders in the prototype
/// request with proper values.
/// </summary>
/// <param name="scenario"></param>
/// <param name="documents"></param>
/// <param name="account"></param>
/// <returns></returns>
public async Task<ValidationResult<HttpRequest>> GenerateMethodRequestAsync(ScenarioDefinition scenario, DocSet documents, IServiceAccount account)
{
var parser = new HttpParser();
var request = parser.ParseHttpRequest(this.Request);
AddAccessTokenToRequest(account.CreateCredentials(), request);
AddTestHeaderToRequest(scenario, request);
AddAdditionalHeadersToRequest(account, request);
List<ValidationError> errors = new List<ValidationError>();
if (null != scenario)
{
var storedValuesForScenario = new Dictionary<string, string>();
if (null != scenario.TestSetupRequests)
{
foreach (var setupRequest in scenario.TestSetupRequests)
{
var result = await setupRequest.MakeSetupRequestAsync(storedValuesForScenario, documents, scenario, account);
errors.AddRange(result.Messages);
if (result.IsWarningOrError)
{
// If we can an error or warning back from a setup method, we fail the whole request.
return new ValidationResult<HttpRequest>(null, errors);
}
}
}
try
{
var placeholderValues = scenario.RequestParameters.ToPlaceholderValuesArray(storedValuesForScenario);
request.RewriteRequestWithParameters(placeholderValues);
}
catch (Exception ex)
{
// Error when applying parameters to the request
errors.Add(
new ValidationError(
ValidationErrorCode.RewriteRequestFailure,
"GenerateMethodRequestAsync",
ex.Message));
return new ValidationResult<HttpRequest>(null, errors);
}
if (scenario.StatusCodesToRetry != null)
{
request.RetryOnStatusCode =
(from status in scenario.StatusCodesToRetry select (System.Net.HttpStatusCode)status).ToList();
}
}
if (string.IsNullOrEmpty(request.Accept))
{
if (!string.IsNullOrEmpty(ValidationConfig.ODataMetadataLevel))
{
request.Accept = MimeTypeJson + "; " + ValidationConfig.ODataMetadataLevel;
}
else
{
request.Accept = MimeTypeJson;
}
}
return new ValidationResult<HttpRequest>(request, errors);
}
private static SwaggerResponse ToSwaggerResponse(this MethodDefinition method, out string httpStatusCode)
{
HttpParser parser = new HttpParser();
var response = parser.ParseHttpResponse(method.ExpectedResponse);
httpStatusCode = response.StatusCode.ToString();
return new SwaggerResponse { Schema = method.ExpectedResponseAsSwaggerProperty() };
}
public void TruncatedExampleWithRequiredPropertiesTest()
{
DocSet docSet = new DocSet();
DocFile testFile = new DocFileForTesting(Resources.ExampleValidateResponse, "\test\test.md", "test.md", docSet);
ValidationError[] detectedErrors;
testFile.Scan(string.Empty, out detectedErrors);
Assert.IsEmpty(detectedErrors.Where(x => x.IsError));
docSet.ResourceCollection.RegisterJsonResource(testFile.Resources.First());
HttpParser parser = new HttpParser();
var testMethod = testFile.Requests.First();
var expectedResponse = parser.ParseHttpResponse(testMethod.ExpectedResponse);
var actualResponse = parser.ParseHttpResponse(testMethod.ActualResponse);
testMethod.ValidateResponse(actualResponse, expectedResponse, null, out detectedErrors);
Assert.AreEqual(1, detectedErrors.Length);
var error = detectedErrors.First();
Assert.AreEqual(ValidationErrorCode.RequiredPropertiesMissing, error.Code);
}
public void TruncatedExampleSelectStatementOnChildrenExpectFailure()
{
DocSet docSet = new DocSet();
DocFile testFile = new DocFileForTesting(Resources.ExampleValidationSelectStatementFailure, "\test\test.md", "test.md", docSet);
ValidationError[] detectedErrors;
testFile.Scan(string.Empty, out detectedErrors);
Assert.IsEmpty(detectedErrors.Where(x => x.IsError));
docSet.ResourceCollection.RegisterJsonResource(testFile.Resources.First());
HttpParser parser = new HttpParser();
var testMethod = testFile.Requests.First();
var expectedResponse = parser.ParseHttpResponse(testMethod.ExpectedResponse);
var actualResponse = parser.ParseHttpResponse(testMethod.ActualResponse);
testMethod.ValidateResponse(actualResponse, expectedResponse, null, out detectedErrors);
Assert.AreEqual(2, detectedErrors.Length);
Assert.IsTrue(detectedErrors.Any(x => x.Code == ValidationErrorCode.RequiredPropertiesMissing), "Error with Code = RequiredPropertiesMissing");
Assert.IsTrue(
detectedErrors.Any(x => x.Code == ValidationErrorCode.SkippedSimilarErrors),
"Error with Code = SkippedSimilarErrors");
}
private static HttpRequest ParseHttpRequest(string rawHttpRequest)
{
HttpParser parser = new HttpParser();
HttpRequest request = parser.ParseHttpRequest(rawHttpRequest);
return request;
}
/// <summary>
/// Based on data in the codeBlock, see if we can infer what kind of block this is
/// </summary>
/// <param name="codeBlock"></param>
/// <returns></returns>
private static CodeBlockType InferBlockType(Block codeBlock, string resourceTypeName = null)
{
if (codeBlock.CodeLanguage == "http")
{
// See if this is an HTTP request or HTTP response
Http.HttpParser parser = new Http.HttpParser();
try
{
parser.ParseHttpRequest(codeBlock.Content);
return CodeBlockType.Request;
}
catch { }
try
{
parser.ParseHttpResponse(codeBlock.Content);
return CodeBlockType.Response;
}
catch { }
}
else if (codeBlock.CodeLanguage == "json" && !string.IsNullOrEmpty(resourceTypeName))
{
return CodeBlockType.Resource;
}
return CodeBlockType.Unknown;
}
