public void CanRead_ReturnsTrueForAnySupportedContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var loggerMock = GetLogger();
var formatter =
new JsonInputFormatter(loggerMock, _serializerSettings, ArrayPool<char>.Shared, _objectPoolProvider);
var contentBytes = Encoding.UTF8.GetBytes("content");
var httpContext = GetHttpContext(contentBytes, contentType: requestContentType);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(string));
var formatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.Equal(expectedCanRead, result);
}
public async Task JsonPatchInputFormatter_ReadsMultipleOperations_Successfully()
{
// Arrange
var logger = GetLogger();
var formatter = new JsonPatchInputFormatter(logger);
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}," +
"{\"op\": \"remove\", \"path\" : \"Customer/Name\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(JsonPatchDocument<Customer>));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.False(result.HasError);
var patchDoc = Assert.IsType<JsonPatchDocument<Customer>>(result.Model);
Assert.Equal("add", patchDoc.Operations[0].op);
Assert.Equal("Customer/Name", patchDoc.Operations[0].path);
Assert.Equal("John", patchDoc.Operations[0].value);
Assert.Equal("remove", patchDoc.Operations[1].op);
Assert.Equal("Customer/Name", patchDoc.Operations[1].path);
}
public void AddValidation_Date()
{
IModelMetadataProvider provider = new EmptyModelMetadataProvider();
ModelMetadata metadata = provider.GetMetadataForType(typeof(DateTime));
Dictionary<String, String> attributes = new Dictionary<String, String>();
ClientModelValidationContext context = new ClientModelValidationContext(new ActionContext(), metadata, provider, attributes);
new DateValidator().AddValidation(context);
Assert.Equal(2, attributes.Count);
Assert.Equal("true", attributes["data-val"]);
Assert.Equal(String.Format(Validations.Date, "DateTime"), attributes["data-val-date"]);
}
private static DefaultModelBindingContext GetBindingContext(Type modelType)
{
var metadataProvider = new EmptyModelMetadataProvider();
DefaultModelBindingContext bindingContext = new DefaultModelBindingContext
{
ActionContext = new ActionContext()
{
HttpContext = new DefaultHttpContext(),
},
ModelMetadata = metadataProvider.GetMetadataForType(modelType),
ModelName = "someName",
ValidationState = new ValidationStateDictionary(),
};
bindingContext.HttpContext.Request.Method = "GET";
return bindingContext;
}
public async Task JsonPatchInputFormatter_ReturnsModelStateErrors_InvalidModelType()
{
// Arrange
var exceptionMessage = "Cannot deserialize the current JSON array (e.g. [1,2,3]) into type " +
$"'{typeof(Customer).FullName}' because the type requires a JSON object ";
var logger = GetLogger();
var formatter = new JsonPatchInputFormatter(logger);
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: "application/json-patch+json");
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(Customer));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.True(result.HasError);
Assert.Contains(exceptionMessage, modelState[""].Errors[0].Exception.Message);
}
public void CanRead_ReturnsFalse_NonJsonPatchContentType(Type modelType)
{
// Arrange
var logger = GetLogger();
var formatter = new JsonPatchInputFormatter(logger);
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: "application/json-patch+json");
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(modelType);
var formatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.False(result);
}
public async Task JsonFormatterReadsSimpleTypes(string content, Type type, object expected)
{
// Arrange
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(type);
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.False(result.HasError);
Assert.Equal(expected, result.Model);
}
public async Task CustomSerializerSettingsObject_TakesEffect()
{
// Arrange
// missing password property here
var contentBytes = Encoding.UTF8.GetBytes("{ \"UserName\" : \"John\"}");
var logger = GetLogger();
var jsonFormatter = new JsonInputFormatter(logger);
// by default we ignore missing members, so here explicitly changing it
jsonFormatter.SerializerSettings = new JsonSerializerSettings()
{
MissingMemberHandling = MissingMemberHandling.Error
};
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, "application/json;charset=utf-8");
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(UserLogin));
var inputFormatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await jsonFormatter.ReadAsync(inputFormatterContext);
// Assert
Assert.True(result.HasError);
Assert.False(modelState.IsValid);
var modelErrorMessage = modelState.Values.First().Errors[0].Exception.Message;
Assert.Contains("Required property 'Password' not found in JSON", modelErrorMessage);
}
public async Task ReadAsync_UsesTryAddModelValidationErrorsToModelState()
{
// Arrange
var content = "{name: 'Person Name', Age: 'not-an-age'}";
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(User));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
modelState.MaxAllowedErrors = 3;
modelState.AddModelError("key1", "error1");
modelState.AddModelError("key2", "error2");
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.True(result.HasError);
Assert.False(modelState.ContainsKey("age"));
var error = Assert.Single(modelState[""].Errors);
Assert.IsType<TooManyModelErrorsException>(error.Exception);
}
public async Task ReadAsync_InvalidArray_AddsOverflowErrorsToModelState()
{
// Arrange
var content = "[0, 23, 300]";
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(byte[]));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.True(result.HasError);
Assert.Equal("The supplied value is invalid for Byte.", modelState["[2]"].Errors[0].ErrorMessage);
Assert.Null(modelState["[2]"].Errors[0].Exception);
}
public async Task ReadAsync_AddsModelValidationErrorsToModelState()
{
// Arrange
var content = "{name: 'Person Name', Age: 'not-an-age'}";
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(User));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.True(result.HasError);
Assert.Equal(
"Could not convert string to decimal: not-an-age. Path 'Age', line 1, position 39.",
modelState["Age"].Errors[0].Exception.Message);
}
public async Task JsonFormatterReadsComplexTypes()
{
// Arrange
var content = "{name: 'Person Name', Age: '30'}";
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(User));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.False(result.HasError);
var userModel = Assert.IsType<User>(result.Model);
Assert.Equal("Person Name", userModel.Name);
Assert.Equal(30, userModel.Age);
}
private InputFormatterContext GetInputFormatterContext(byte[] contentBytes, Type modelType)
{
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(modelType);
return new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
}
public async Task ReadAsync_AcceptsUTF16Characters()
{
// Arrange
var expectedInt = 10;
var expectedString = "TestString";
var input = "<?xml version=\"1.0\" encoding=\"UTF-16\"?>" +
"<TestLevelOne><SampleInt>" + expectedInt + "</SampleInt>" +
"<sampleString>" + expectedString + "</sampleString></TestLevelOne>";
var formatter = new XmlDataContractSerializerInputFormatter();
var contentBytes = Encoding.Unicode.GetBytes(input);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: "application/xml; charset=utf-16");
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(TestLevelOne));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.NotNull(result);
Assert.False(result.HasError);
var model = Assert.IsType<TestLevelOne>(result.Model);
Assert.Equal(expectedInt, model.SampleInt);
Assert.Equal(expectedString, model.sampleString);
}
public async Task ReadAsync_UsesContentTypeCharSet_ToReadStream()
{
// Arrange
var expectedException = TestPlatformHelper.IsMono ? typeof(SerializationException) :
typeof(XmlException);
var expectedMessage = TestPlatformHelper.IsMono ?
"Expected element 'TestLevelTwo' in namespace '', but found Element node 'DummyClass' in namespace ''" :
"The expected encoding 'utf-16LE' does not match the actual encoding 'utf-8'.";
var inputBytes = Encoding.UTF8.GetBytes("<?xml version=\"1.0\" encoding=\"UTF-8\"?>" +
"<DummyClass><SampleInt>1000</SampleInt></DummyClass>");
var formatter = new XmlDataContractSerializerInputFormatter();
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(inputBytes, contentType: "application/xml; charset=utf-16");
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(TestLevelOne));
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var ex = await Assert.ThrowsAsync(expectedException, () => formatter.ReadAsync(context));
Assert.Equal(expectedMessage, ex.Message);
}
public void CanRead_ReturnsTrueOnlyForJsonPatchContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var logger = GetLogger();
var formatter = new JsonPatchInputFormatter(logger);
var content = "[{\"op\": \"add\", \"path\" : \"Customer/Name\", \"value\":\"John\"}]";
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes, contentType: requestContentType);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(JsonPatchDocument<Customer>));
var formatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.Equal(expectedCanRead, result);
}
public async Task ReadAsync_InvalidComplexArray_AddsOverflowErrorsToModelState()
{
// Arrange
var content = "[{name: 'Name One', Age: 30}, {name: 'Name Two', Small: 300}]";
var logger = GetLogger();
var formatter = new JsonInputFormatter(logger);
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(typeof(User[]));
var context = new InputFormatterContext(
httpContext,
modelName: "names",
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.True(result.HasError);
Assert.Equal(
"Error converting value 300 to type 'System.Byte'. Path '[1].Small', line 1, position 59.",
modelState["names[1].Small"].Errors[0].Exception.Message);
}
public async Task ReadAsync_ReadsValidArray_AsList(Type requestedType)
{
// Arrange
var content = "[0, 23, 300]";
var logger = GetLogger();
var formatter =
new JsonInputFormatter(logger, _serializerSettings, ArrayPool<char>.Shared, _objectPoolProvider);
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var provider = new EmptyModelMetadataProvider();
var metadata = provider.GetMetadataForType(requestedType);
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
metadata: metadata,
readerFactory: new TestHttpRequestStreamReaderFactory().CreateReader);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.False(result.HasError);
var integers = Assert.IsType<List<int>>(result.Model);
Assert.Equal(new int[] { 0, 23, 300 }, integers);
}
