public async Task ComplexModel_EmptyPrefixSelected_NoMatchingValueProviderValue_WithFilteredValueProviders_NoValues()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(Person5),
BindingInfo = new BindingInfo()
{
BindingSource = BindingSource.Query,
},
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
// This value won't be used to select a prefix, because we're only looking at the query string.
request.Form = new FormCollection(new Dictionary <string, StringValues>()
{
{ "parameter", string.Empty },
});
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <Person5>(modelBindingResult.Model);
Assert.Null(model.Name);
Assert.Empty(modelState);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task ActionParameter_BindingToStructModel_ThrowsException()
{
// Arrange
var parameterType = typeof(PointStruct);
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
ParameterType = parameterType,
Name = "p"
};
var testContext = ModelBindingTestHelper.GetTestContext();
// Act & Assert
var exception = await Assert.ThrowsAsync <InvalidOperationException>(() => parameterBinder.BindModelAsync(parameter, testContext));
Assert.Equal(
string.Format(
"Could not create an instance of type '{0}'. Model bound complex types must not be abstract or " +
"value types and must have a parameterless constructor.",
typeof(PointStruct).FullName),
exception.Message);
}
public async Task BindProperty_WithData_WithPrefix_GetsBound()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderModelName = "CustomParameter",
},
ParameterType = typeof(Person)
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var boundPerson = Assert.IsType <Person>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
Assert.False(boundPerson.Token.IsCancellationRequested);
testContext.HttpContext.Abort();
Assert.True(boundPerson.Token.IsCancellationRequested);
// ModelState
Assert.True(modelState.IsValid);
Assert.Empty(modelState.Keys);
}
public async Task CollectionModelBinder_BindsParameterToExpectedType(
Type parameterType,
Dictionary <string, StringValues> formContent,
Type expectedType)
{
// Arrange
var expectedCollection = new List <string> {
"hello", "world"
};
var parameter = new ParameterDescriptor
{
Name = "parameter",
ParameterType = parameterType,
};
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Form = new FormCollection(formContent);
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
Assert.IsType(expectedType, modelBindingResult.Model);
var model = modelBindingResult.Model as IEnumerable <string>;
Assert.NotNull(model); // Guard
Assert.Equal(expectedCollection, model);
Assert.True(modelState.IsValid);
Assert.NotEmpty(modelState);
Assert.Equal(0, modelState.ErrorCount);
}
public async Task DictionaryModelBinder_BindsDictionaryOfSimpleType_WithExplicitPrefix_Success(
string queryString)
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
BindingInfo = new BindingInfo()
{
BinderModelName = "prefix",
},
ParameterType = typeof(Dictionary <string, int>)
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext(request =>
{
request.QueryString = new QueryString(queryString);
});
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <Dictionary <string, int> >(modelBindingResult.Model);
Assert.Equal(new Dictionary <string, int>()
{
{ "key0", 10 },
}, model);
Assert.NotEmpty(modelState);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task ComplexModel_PrefixSelected_ByValueProvider()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(Person1),
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
// This will cause selection of the "parameter" prefix.
request.QueryString = new QueryString("?parameter=");
// This value won't be used, because we select the "parameter" prefix.
request.Form = new FormCollection(new Dictionary <string, StringValues>()
{
{ "Name", "Billy" },
});
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
Assert.Equal("parameter", modelBindingResult.Key);
var model = Assert.IsType <Person1>(modelBindingResult.Model);
Assert.Null(model.Name);
Assert.Equal(0, modelState.Count);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task FromBodyOnParameterType_WithData_Succeeds(BindingInfo bindingInfo)
{
// Arrange
var inputText = "{ \"Street\" : \"someStreet\" }";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForType <Address6>()
.BindingDetails(binding => binding.BindingSource = BindingSource.Body);
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(inputText));
request.ContentType = "application/json";
},
metadataProvider: metadataProvider);
var modelState = testContext.ModelState;
var parameterBinder = ModelBindingTestHelper.GetParameterBinder(testContext.HttpContext.RequestServices);
var parameter = new ParameterDescriptor
{
Name = "parameter-name",
BindingInfo = bindingInfo,
ParameterType = typeof(Address6),
};
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var address = Assert.IsType <Address6>(modelBindingResult.Model);
Assert.Equal("someStreet", address.Street, StringComparer.Ordinal);
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public async Task BindProperty_WithData_WithPrefix_GetsBound()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderModelName = "CustomParameter"
},
ParameterType = typeof(Person)
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext();
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
// ModelBindingResult
Assert.Equal("CustomParameter", modelBindingResult.Key);
// Model
var boundPerson = Assert.IsType <Person>(modelBindingResult.Model);
Assert.NotNull(boundPerson.Address);
Assert.Equal("SomeStreet", boundPerson.Address.Street);
// ModelState
Assert.True(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("CustomParameter.Address.Street", key);
Assert.Equal(ModelValidationState.Valid, modelState[key].ValidationState);
Assert.NotNull(modelState[key].RawValue); // Value is set by test model binder, no need to validate it.
}
public async Task BinderTypeOnParameterType_WithData_EmptyPrefix_GetsBound(BindingInfo bindingInfo)
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameters = typeof(TestController).GetMethod(nameof(TestController.Action)).GetParameters();
var parameter = new ControllerParameterDescriptor
{
Name = "Parameter1",
BindingInfo = bindingInfo,
ParameterInfo = parameters[0],
ParameterType = typeof(Address),
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var address = Assert.IsType <Address>(modelBindingResult.Model);
Assert.Equal("SomeStreet", address.Street);
// ModelState
Assert.True(modelState.IsValid);
var kvp = Assert.Single(modelState);
Assert.Equal("Street", kvp.Key);
var entry = kvp.Value;
Assert.NotNull(entry);
Assert.Equal(ModelValidationState.Valid, entry.ValidationState);
Assert.NotNull(entry.RawValue); // Value is set by test model binder, no need to validate it.
}
public async Task ModelMetadataType_ValidArray_NoModelStateErrors()
{
// Arrange
var input = "[" +
"{ \"Name\": \"MVC\", \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 21, " +
"\"ProductDetails\": {\"Detail1\": \"d1\", \"Detail2\": \"d2\", \"Detail3\": \"d3\"}}," +
"{ \"Name\": \"MVC too\", \"Contact\":\"4258959020\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 22, " +
"\"ProductDetails\": {\"Detail1\": \"d2\", \"Detail2\": \"d3\", \"Detail3\": \"d4\"}}" +
"]";
var argumentBinding = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
ParameterType = typeof(IEnumerable <ProductViewModel>),
BindingInfo = new BindingInfo
{
BindingSource = BindingSource.Body,
},
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json;charset=utf-8";
});
var modelState = testContext.ModelState;
// Act
var result = await argumentBinding.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelState.IsValid);
Assert.True(result.IsModelSet);
var products = Assert.IsAssignableFrom <IEnumerable <ProductViewModel> >(result.Model);
Assert.Equal(2, products.Count());
}
public async Task ActionParameter_BindingToAbstractionType_ThrowsException()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
ParameterType = typeof(AbstractClassWithNoDefaultConstructor),
Name = "p"
};
var testContext = ModelBindingTestHelper.GetTestContext();
// Act & Assert
var exception = await Assert.ThrowsAsync <InvalidOperationException>(() => parameterBinder.BindModelAsync(parameter, testContext));
Assert.Equal(
string.Format(
CultureInfo.CurrentCulture,
"Could not create an instance of type '{0}'. Model bound complex types must not be abstract or " +
"value types and must have a parameterless constructor. Record types must have a single primary constructor.",
typeof(AbstractClassWithNoDefaultConstructor).FullName),
exception.Message);
}
public async Task BindProperty_FormFileCollectionInCollection_OutOfOrderFile()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "house",
BindingInfo = new BindingInfo(),
ParameterType = typeof(House)
};
var data = "Some Data Is Better Than No Data.";
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
UpdateRequest(request, data + 1, "house.Garage.Cars[800].Specs");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var house = Assert.IsType <House>(modelBindingResult.Model);
Assert.NotNull(house.Garage);
Assert.Empty(house.Garage.Cars);
// ModelState
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public async Task ActionParameter_NonSettableArrayModel_WithPrefix_DoesNotGetBound()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Address",
BindingInfo = new BindingInfo()
{
BinderModelName = "prefix"
},
ParameterType = typeof(Person5)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = QueryString.Create("prefix.Address[0].Street", "SomeStreet");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
// Model
Assert.NotNull(modelBindingResult.Model);
var boundModel = Assert.IsType <Person5>(modelBindingResult.Model);
// Arrays should not be updated.
Assert.Empty(boundModel.Address);
// ModelState
Assert.True(modelState.IsValid);
Assert.Empty(modelState.Keys);
}
public async Task BinderTypeOnProperty_WithData_EmptyPrefix_GetsBound(BindingInfo bindingInfo)
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = bindingInfo,
ParameterType = typeof(Person3),
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var person = Assert.IsType <Person3>(modelBindingResult.Model);
Assert.NotNull(person.Address);
Assert.Equal("SomeStreet", person.Address.Street);
// ModelState
Assert.True(modelState.IsValid);
var kvp = Assert.Single(modelState);
Assert.Equal("Address.Street", kvp.Key);
var entry = kvp.Value;
Assert.NotNull(entry);
Assert.Equal(ModelValidationState.Valid, entry.ValidationState);
Assert.NotNull(entry.RawValue); // Value is set by test model binder, no need to validate it.
}
public async Task BindsJQueryFormatData_FromRequestBody()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(Customer)
};
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(
"Name=James&Address[0][City]=Redmond&Address[0][State][ShortName]=WA&Address[0][State][LongName]=Washington"));
request.ContentType = "application/x-www-form-urlencoded;charset=utf-8";
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <Customer>(modelBindingResult.Model);
Assert.Equal("James", model.Name);
Assert.NotNull(model.Address);
var address = Assert.Single(model.Address);
Assert.Equal("Redmond", address.City);
Assert.NotNull(address.State);
Assert.Equal("WA", address.State.ShortName);
Assert.Equal("Washington", address.State.LongName);
Assert.True(modelState.IsValid);
}
public async Task CollectionModelBinder_BindsListOfSimpleType_WithExplicitPrefix_Success(string queryString)
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
BindingInfo = new BindingInfo()
{
BinderModelName = "prefix",
},
ParameterType = typeof(List <int>)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = new QueryString(queryString);
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <List <int> >(modelBindingResult.Model);
Assert.Equal(new List <int>()
{
10, 11
}, model);
Assert.Equal(2, modelState.Count);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task ActionParameter_EnforcesBindRequired(int?input, bool isValid)
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = BindingAndValidationController.BindRequiredParamInfo.Name,
ParameterType = typeof(int)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
if (input.HasValue)
{
request.QueryString = QueryString.Create(parameter.Name, input.Value.ToString());
}
});
var modelState = testContext.ModelState;
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelMetadata = modelMetadataProvider
.GetMetadataForParameter(BindingAndValidationController.BindRequiredParamInfo);
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(
parameter,
testContext,
modelMetadataProvider,
modelMetadata);
// Assert
Assert.Equal(input.HasValue, modelBindingResult.IsModelSet);
Assert.Equal(isValid, modelState.IsValid);
if (isValid)
{
Assert.Equal(input.Value, Assert.IsType <int>(modelBindingResult.Model));
}
}
public async Task BindModelAsync_WithBindProperty_DoesNotBindModel_WhenRequestIsGet()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(Person),
BindingInfo = BindingInfo.GetBindingInfo(new[] { new BindPropertyAttribute() }),
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Method = "GET";
request.QueryString = new QueryString("?parameter.Name=Joey");
});
// Act
var result = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.False(result.IsModelSet);
}
public async Task BindParameterFromService_WithData_GetsBound()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderModelName = "CustomParameter",
BindingSource = BindingSource.Services
},
// Using a service type already in defaults.
ParameterType = typeof(JsonOutputFormatter)
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var outputFormatter = Assert.IsType <JsonOutputFormatter>(modelBindingResult.Model);
Assert.NotNull(outputFormatter);
// ModelState
Assert.True(modelState.IsValid);
Assert.Empty(modelState.Keys);
}
public async Task KeyValuePairModelBinder_SimpleTypes_WithNoValue_AddsError()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor
{
Name = "parameter",
ParameterType = typeof(KeyValuePair <string, int>)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = new QueryString("?parameter.Key=10");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext) ?? default(ModelBindingResult);
// Assert
Assert.False(modelBindingResult.IsModelSet);
Assert.Equal(2, modelState.Count);
Assert.False(modelState.IsValid);
Assert.Equal(1, modelState.ErrorCount);
var entry = Assert.Single(modelState, kvp => kvp.Key == "parameter.Key").Value;
Assert.Empty(entry.Errors);
Assert.Equal("10", entry.AttemptedValue);
Assert.Equal("10", entry.RawValue);
entry = Assert.Single(modelState, kvp => kvp.Key == "parameter.Value").Value;
var error = Assert.Single(entry.Errors);
Assert.Null(error.Exception);
Assert.Equal("A value is required.", error.ErrorMessage);
}
public async Task BindParameter_WithData_GetsBound()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderModelName = "CustomParameter",
},
ParameterType = typeof(CancellationToken)
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var token = Assert.IsType <CancellationToken>(modelBindingResult.Model);
Assert.False(token.IsCancellationRequested);
testContext.HttpContext.Abort();
Assert.True(token.IsCancellationRequested);
// ModelState
Assert.True(modelState.IsValid);
Assert.Equal(0, modelState.Count);
}
public async Task FromBodyAndRequiredOnInnerValueTypeProperty_NotBound_JsonFormatterSuccessful()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo
{
BinderModelName = "CustomParameter",
},
ParameterType = typeof(Person5)
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes("{ \"Number\": 5 }"));
request.ContentType = "application/json";
});
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var boundPerson = Assert.IsType <Person5>(modelBindingResult.Model);
Assert.NotNull(boundPerson.Address);
Assert.Equal(5, boundPerson.Address.Number);
Assert.Equal(0, boundPerson.Address.RequiredNumber);
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public async Task BindParameter_WithEmptyData_BindsReferenceAndNullableObjects(Type parameterType)
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo(),
ParameterType = parameterType
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = QueryString.Create("Parameter1", string.Empty);
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
Assert.Null(modelBindingResult.Model);
// ModelState
Assert.True(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("Parameter1", key);
Assert.Equal(string.Empty, modelState[key].AttemptedValue);
Assert.Equal(string.Empty, modelState[key].RawValue);
Assert.Empty(modelState[key].Errors);
}
public async Task BindParameter_WithEmptyData_BindsMutableAndNullableObjects(Type parameterType)
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo(),
ParameterType = parameterType
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext(request =>
{
request.QueryString = QueryString.Create("Parameter1", string.Empty);
});
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
Assert.Null(modelBindingResult.Model);
// ModelState
Assert.True(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("Parameter1", key);
Assert.Equal(string.Empty, modelState[key].AttemptedValue);
Assert.Equal(new string[] { string.Empty }, modelState[key].RawValue);
Assert.Empty(modelState[key].Errors);
}
public async Task ModelMetaDataTypeAttribute_ValidDerivedClass_NoModelStateErrors()
{
// Arrange
var input = "{ \"Name\": \"MVC\", \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"USA\", \"Version\":\"2\"," +
"\"DatePurchased\": \"/Date(1297246301973)/\", \"Price\" : \"110\" }";
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BindingSource = BindingSource.Body
},
ParameterType = typeof(SoftwareViewModel)
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json";
});
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var boundPerson = Assert.IsType <SoftwareViewModel>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
Assert.True(modelState.IsValid);
}
public async Task BindParameterFromService_NoService_Throws()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "ControllerProperty",
BindingInfo = new BindingInfo
{
BindingSource = BindingSource.Services,
},
// Use a service type not available in DI.
ParameterType = typeof(IActionResult),
};
var testContext = ModelBindingTestHelper.GetTestContext();
// Act & Assert
var exception = await Assert.ThrowsAsync <InvalidOperationException>(
() => parameterBinder.BindModelAsync(parameter, testContext));
Assert.Contains(typeof(IActionResult).FullName, exception.Message);
}
public async Task BindParameter_NoData_BindsWithEmptyCollection()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo
{
BinderModelName = "CustomParameter",
},
ParameterType = typeof(IFormCollection)
};
// No data is passed.
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
var collection = Assert.IsAssignableFrom <IFormCollection>(modelBindingResult.Model);
// ModelState
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
// FormCollection
Assert.Empty(collection);
Assert.Empty(collection.Files);
Assert.Empty(collection.Keys);
}
public async Task TryUpdateModel_SettableArrayModel_WithPrefix_CreatesArray()
{
// Arrange
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = QueryString.Create("prefix.Address[0].Street", "SomeStreet");
});
var modelState = testContext.ModelState;
var model = new Person4();
// Act
var result = await TryUpdateModelAsync(model, "prefix", testContext);
// Assert
Assert.True(result);
// Model
Assert.NotNull(model.Address);
Assert.Single(model.Address);
Assert.Equal("SomeStreet", model.Address[0].Street);
Assert.Null(model.Address[0].City);
// ModelState
Assert.True(modelState.IsValid);
var entry = Assert.Single(modelState);
Assert.Equal("prefix.Address[0].Street", entry.Key);
var state = entry.Value;
Assert.Equal("SomeStreet", state.AttemptedValue);
Assert.Equal("SomeStreet", state.RawValue);
Assert.Empty(state.Errors);
Assert.Equal(ModelValidationState.Valid, state.ValidationState);
}
public async Task BindParameter_WithData_WithPrefix_GetsBound()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderType = typeof(SuccessModelBinder),
BinderModelName = "CustomParameter"
},
ParameterType = typeof(Person2)
};
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
Assert.Equal("Success", modelBindingResult.Model);
// ModelState
Assert.True(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("CustomParameter", key);
Assert.Equal(ModelValidationState.Valid, modelState[key].ValidationState);
Assert.NotNull(modelState[key].RawValue); // Value is set by test model binder, no need to validate it.
}
public async Task ModelMetaDataTypeAttribute_ValidBaseClass_NoModelStateErrors()
{
// Arrange
var input = "{ \"Name\": \"MVC\", \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 21, " +
"\"ProductDetails\": {\"Detail1\": \"d1\", \"Detail2\": \"d2\", \"Detail3\": \"d3\"}}";
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
ParameterType = typeof(ProductViewModel),
BindingInfo = new BindingInfo()
{
BindingSource = BindingSource.Body
}
};
var operationContext = ModelBindingTestHelper.GetOperationBindingContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json;charset=utf-8";
});
var modelState = operationContext.ActionContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var boundPerson = Assert.IsType <ProductViewModel>(modelBindingResult.Model);
Assert.True(modelState.IsValid);
Assert.NotNull(boundPerson);
}
