public async Task CustomSerializerSettingsObject_TakesEffect()
{
// Arrange
// missing password property here
var contentBytes = Encoding.UTF8.GetBytes("{ \"UserName\" : \"John\"}");
var jsonFormatter = new JsonInputFormatter();
// 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 inputFormatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
modelType: typeof(UserLogin));
// 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 formatter = new JsonInputFormatter();
var contentBytes = Encoding.UTF8.GetBytes(content);
var modelState = new ModelStateDictionary();
var httpContext = GetHttpContext(contentBytes);
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: modelState,
modelType: typeof(User));
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 formatter = new JsonInputFormatter();
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);
// 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_InvalidComplexArray_AddsOverflowErrorsToModelState()
{
// Arrange
var content = "[{name: 'Name One', Age: 30}, {name: 'Name Two', Small: 300}]";
var formatter = new JsonInputFormatter();
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);
// 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_AddsModelValidationErrorsToModelState()
{
// Arrange
var content = "{name: 'Person Name', Age: 'not-an-age'}";
var formatter = new JsonInputFormatter();
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);
// 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 formatter = new JsonInputFormatter();
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);
// 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);
}
public async Task ChangesTo_DefaultSerializerSettings_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.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 void Creates_SerializerSettings_ByDefault()
{
// Arrange
// Act
var jsonFormatter = new JsonInputFormatter();
// Assert
Assert.NotNull(jsonFormatter.SerializerSettings);
}
public void Constructor_UsesSerializerSettings()
{
// Arrange
// Act
var serializerSettings = new JsonSerializerSettings();
var jsonFormatter = new JsonInputFormatter(serializerSettings);
// Assert
Assert.Same(serializerSettings, jsonFormatter.SerializerSettings);
}
public void Constructor_UsesSerializerSettings()
{
// Arrange
// Act
var serializerSettings = new JsonSerializerSettings();
var jsonFormatter = new JsonInputFormatter(serializerSettings);
// Assert
Assert.Same(serializerSettings, jsonFormatter.SerializerSettings);
}
public void DefaultMediaType_ReturnsApplicationJson()
{
// Arrange
var formatter = new JsonInputFormatter();
// Act
var mediaType = formatter.SupportedMediaTypes[0];
// Assert
Assert.Equal("application/json", mediaType.ToString());
}
public void CanRead_ReturnsTrueForAnySupportedContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var formatter = new JsonInputFormatter();
var contentBytes = Encoding.UTF8.GetBytes("content");
var httpContext = GetHttpContext(contentBytes, contentType: requestContentType);
var formatterContext = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
modelType: typeof(string));
// Act
var result = formatter.CanRead(formatterContext);
// Assert
Assert.Equal(expectedCanRead, result);
}
public async Task JsonFormatterReadsSimpleTypes(string content, Type type, object expected)
{
// Arrange
var formatter = new JsonInputFormatter();
var contentBytes = Encoding.UTF8.GetBytes(content);
var httpContext = GetHttpContext(contentBytes);
var context = new InputFormatterContext(
httpContext,
modelName: string.Empty,
modelState: new ModelStateDictionary(),
modelType: type);
// Act
var result = await formatter.ReadAsync(context);
// Assert
Assert.False(result.HasError);
Assert.Equal(expected, result.Model);
}
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 void CanRead_ReturnsTrueForAnySupportedContentType(string requestContentType, bool expectedCanRead)
{
// Arrange
var loggerMock = GetLogger();
var formatter = new JsonInputFormatter(loggerMock);
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);
}