/// <summary>
/// Reads the stream input and parses it into an Open API document.
/// </summary>
/// <param name="input">Stream containing OpenAPI description to parse.</param>
/// <param name="diagnostic">Returns diagnostic object containing errors detected during parsing</param>
/// <returns>Instance of newly created OpenApiDocument</returns>
public OpenApiDocument Read(Stream input, out OpenApiDiagnostic diagnostic)
{
ParsingContext context;
YamlDocument yamlDocument;
diagnostic = new OpenApiDiagnostic();
// Parse the YAML/JSON
try
{
yamlDocument = LoadYamlDocument(input);
}
catch (SyntaxErrorException ex)
{
diagnostic.Errors.Add(new OpenApiReaderError(ex));
return(new OpenApiDocument());
}
context = new ParsingContext
{
ExtensionParsers = _settings.ExtensionParsers
};
OpenApiDocument document = null;
try
{
// Parse the OpenAPI Document
document = context.Parse(yamlDocument, diagnostic);
// Resolve References if requested
switch (_settings.ReferenceResolution)
{
case ReferenceResolutionSetting.ResolveAllReferences:
throw new ArgumentException(Properties.SRResource.CannotResolveRemoteReferencesSynchronously);
case ReferenceResolutionSetting.ResolveLocalReferences:
var resolver = new OpenApiReferenceResolver(document);
var walker = new OpenApiWalker(resolver);
walker.Walk(document);
foreach (var item in resolver.Errors)
{
diagnostic.Errors.Add(item);
}
break;
case ReferenceResolutionSetting.DoNotResolveReferences:
break;
}
}
catch (OpenApiException ex)
{
diagnostic.Errors.Add(new OpenApiError(ex));
}
// Validate the document
var errors = document.Validate(_settings.RuleSet);
foreach (var item in errors)
{
diagnostic.Errors.Add(item);
}
return(document);
}
public void ValidateAnyOfCompositeSchemaMustContainPropertySpecifiedInTheDiscriminator()
{
IEnumerable <OpenApiError> errors;
var schema = new OpenApiSchema
{
Type = "object",
AnyOf = new List <OpenApiSchema>
{
new OpenApiSchema
{
Type = "object",
Properties =
{
["property1"] = new OpenApiSchema()
{
Type = "integer", Format = "int64"
},
["property2"] = new OpenApiSchema()
{
Type = "string"
}
},
Reference = new OpenApiReference {
Id = "schema1"
}
},
new OpenApiSchema
{
Type = "object",
Properties =
{
["property1"] = new OpenApiSchema()
{
Type = "integer", Format = "int64"
},
},
Reference = new OpenApiReference {
Id = "schema2"
}
}
},
Discriminator = new OpenApiDiscriminator
{
PropertyName = "property2"
}
};
// Act
var validator = new OpenApiValidator(ValidationRuleSet.GetDefaultRuleSet());
var walker = new OpenApiWalker(validator);
walker.Walk(schema);
errors = validator.Errors;
bool result = !errors.Any();
// Assert
result.Should().BeFalse();
errors.ShouldAllBeEquivalentTo(new List <OpenApiValidatorError>
{
new OpenApiValidatorError(nameof(OpenApiSchemaRules.ValidateAnyOfDiscriminator), "#/anyOf",
string.Format(SRResource.Validation_CompositeSchemaRequiredFieldListMustContainThePropertySpecifiedInTheDiscriminator,
"schema1", "property2")),
new OpenApiValidatorError(nameof(OpenApiSchemaRules.ValidateAnyOfDiscriminator), "#/anyOf",
string.Format(SRResource.Validation_CompositeSchemaMustContainPropertySpecifiedInTheDiscriminator,
"schema2", "property2")),
new OpenApiValidatorError(nameof(OpenApiSchemaRules.ValidateAnyOfDiscriminator), "#/anyOf",
string.Format(SRResource.Validation_CompositeSchemaRequiredFieldListMustContainThePropertySpecifiedInTheDiscriminator,
"schema2", "property2")),
});
}
public void ValidateExamplesShouldNotHaveDataTypeMismatchForSimpleSchema()
{
// Arrange
IEnumerable <OpenApiError> errors;
var parameter = new OpenApiParameter()
{
Name = "parameter1",
In = ParameterLocation.Path,
Required = true,
Schema = new OpenApiSchema()
{
Type = "object",
AdditionalProperties = new OpenApiSchema()
{
Type = "integer",
}
},
Examples =
{
["example0"] = new OpenApiExample()
{
Value = new OpenApiString("1"),
},
["example1"] = new OpenApiExample()
{
Value = new OpenApiObject()
{
["x"] = new OpenApiInteger(2),
["y"] = new OpenApiString("20"),
["z"] = new OpenApiString("200")
}
},
["example2"] = new OpenApiExample()
{
Value =
new OpenApiArray()
{
new OpenApiInteger(3)
}
},
["example3"] = new OpenApiExample()
{
Value = new OpenApiObject()
{
["x"] = new OpenApiInteger(4),
["y"] = new OpenApiInteger(40),
}
},
}
};
// Act
var validator = new OpenApiValidator(ValidationRuleSet.GetDefaultRuleSet());
var walker = new OpenApiWalker(validator);
walker.Walk(parameter);
errors = validator.Errors;
bool result = !errors.Any();
// Assert
result.Should().BeFalse();
errors.Select(e => e.Message).Should().BeEquivalentTo(new[]
{
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
});
errors.Select(e => e.Pointer).Should().BeEquivalentTo(new[]
{
// #enum/0 is not an error since the spec allows
// representing an object using a string.
"#/examples/example1/value/y",
"#/examples/example1/value/z",
"#/examples/example2/value"
});
}
public void ValidateDefaultShouldNotHaveDataTypeMismatchForComplexSchema()
{
// Arrange
IEnumerable <OpenApiError> errors;
var schema = new OpenApiSchema()
{
Type = "object",
Properties =
{
["property1"] = new OpenApiSchema()
{
Type = "array",
Items = new OpenApiSchema()
{
Type = "integer",
Format = "int64"
}
},
["property2"] = new OpenApiSchema()
{
Type = "array",
Items = new OpenApiSchema()
{
Type = "object",
AdditionalProperties = new OpenApiSchema()
{
Type = "boolean"
}
}
},
["property3"] = new OpenApiSchema()
{
Type = "string",
Format = "password"
},
["property4"] = new OpenApiSchema()
{
Type = "string"
}
},
Default = new OpenApiObject()
{
["property1"] = new OpenApiArray()
{
new OpenApiInteger(12),
new OpenApiLong(13),
new OpenApiString("1"),
},
["property2"] = new OpenApiArray()
{
new OpenApiInteger(2),
new OpenApiObject()
{
["x"] = new OpenApiBoolean(true),
["y"] = new OpenApiBoolean(false),
["z"] = new OpenApiString("1234"),
}
},
["property3"] = new OpenApiPassword("123"),
["property4"] = new OpenApiDateTime(DateTime.UtcNow)
}
};
// Act
var validator = new OpenApiValidator(ValidationRuleSet.GetDefaultRuleSet());
var walker = new OpenApiWalker(validator);
walker.Walk(schema);
errors = validator.Errors;
bool result = !errors.Any();
// Assert
result.Should().BeFalse();
errors.Select(e => e.Message).Should().BeEquivalentTo(new[]
{
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
RuleHelpers.DataTypeMismatchedErrorMessage,
});
errors.Select(e => e.Pointer).Should().BeEquivalentTo(new[]
{
"#/default/property1/0",
"#/default/property1/2",
"#/default/property2/0",
"#/default/property2/1/z",
"#/default/property4",
});
}
public void LocateReferences()
{
var baseSchema = new OpenApiSchema()
{
Reference = new OpenApiReference()
{
Id = "base",
Type = ReferenceType.Schema
},
UnresolvedReference = false
};
var derivedSchema = new OpenApiSchema
{
AnyOf = new List <OpenApiSchema>()
{
baseSchema
},
Reference = new OpenApiReference()
{
Id = "derived",
Type = ReferenceType.Schema
},
UnresolvedReference = false
};
var testHeader = new OpenApiHeader()
{
Schema = derivedSchema,
Reference = new OpenApiReference()
{
Id = "test-header",
Type = ReferenceType.Header
},
UnresolvedReference = false
};
var doc = new OpenApiDocument
{
Paths = new OpenApiPaths()
{
["/"] = new OpenApiPathItem()
{
Operations = new Dictionary <OperationType, OpenApiOperation>()
{
[OperationType.Get] = new OpenApiOperation()
{
Responses = new OpenApiResponses()
{
["200"] = new OpenApiResponse()
{
Content = new Dictionary <string, OpenApiMediaType>()
{
["application/json"] = new OpenApiMediaType()
{
Schema = derivedSchema
}
},
Headers = new Dictionary <string, OpenApiHeader>()
{
["test-header"] = testHeader
}
}
}
}
}
}
},
Components = new OpenApiComponents()
{
Schemas = new Dictionary <string, OpenApiSchema>()
{
["derived"] = derivedSchema,
["base"] = baseSchema,
},
Headers = new Dictionary <string, OpenApiHeader>()
{
["test-header"] = testHeader
}
}
};
var locator = new LocatorVisitor();
var walker = new OpenApiWalker(locator);
walker.Walk(doc);
locator.Locations.Where(l => l.StartsWith("referenceAt:")).Should().BeEquivalentTo(new List <string> {
"referenceAt: #/paths/~1/get/responses/200/content/application~1json/schema",
"referenceAt: #/paths/~1/get/responses/200/headers/test-header",
"referenceAt: #/components/schemas/derived/anyOf/0",
"referenceAt: #/components/headers/test-header/schema"
});
}
