public async Task ArrayModelBinder_BindsArrayOfSimpleType_WithPrefix_Success()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(int[])
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = new QueryString("?parameter[0]=10¶meter[1]=11");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <int[]>(modelBindingResult.Model);
Assert.Equal(new int[] { 10, 11 }, model);
Assert.Equal(2, modelState.Count);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
var entry = Assert.Single(modelState, kvp => kvp.Key == "parameter[0]").Value;
Assert.Equal("10", entry.AttemptedValue);
Assert.Equal("10", entry.RawValue);
entry = Assert.Single(modelState, kvp => kvp.Key == "parameter[1]").Value;
Assert.Equal("11", entry.AttemptedValue);
Assert.Equal("11", entry.RawValue);
}
public async Task BindPropertyFromHeader_WithData_WithEmptyPrefix_GetsBound()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo(),
ParameterType = typeof(Person)
};
var testContext = ModelBindingTestHelper.GetTestContext(
request => request.Headers.Add("Header", new[] { "someValue" }));
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var boundPerson = Assert.IsType <Person>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
Assert.NotNull(boundPerson.Address);
Assert.Equal("someValue", boundPerson.Address.Street);
// ModelState
Assert.True(modelState.IsValid);
var entry = Assert.Single(modelState);
Assert.Equal("Address.Header", entry.Key);
Assert.Empty(entry.Value.Errors);
Assert.Equal(ModelValidationState.Valid, entry.Value.ValidationState);
Assert.Equal("someValue", entry.Value.AttemptedValue);
Assert.Equal(new string[] { "someValue" }, entry.Value.RawValue);
}
public async Task BindPropertyFromHeader_NoData_UsesFullPathAsKeyForModelStateErrors()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BinderModelName = "CustomParameter",
},
ParameterType = typeof(Person)
};
// Do not add any headers.
var testContext = ModelBindingTestHelper.GetTestContext();
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var boundPerson = Assert.IsType <Person>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
// ModelState
Assert.False(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("CustomParameter.Address.Header", key);
var error = Assert.Single(modelState[key].Errors);
Assert.Equal(ValidationAttributeUtil.GetRequiredErrorMessage("Street"), error.ErrorMessage);
}
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 argumentBinder = ModelBindingTestHelper.GetArgumentBinder(metadataProvider);
var parameter = new ParameterDescriptor
{
Name = "parameter-name",
BindingInfo = bindingInfo,
ParameterType = typeof(Address6),
};
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(inputText));
request.ContentType = "application/json";
});
testContext.MetadataProvider = metadataProvider;
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.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 BindParameter_WithEmptyData_DoesNotBind(Type parameterType)
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo(),
ParameterType = parameterType
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = QueryString.Create("Parameter1", "");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.False(modelBindingResult.IsModelSet);
// Model
Assert.Null(modelBindingResult.Model);
// ModelState
Assert.False(modelState.IsValid);
var key = Assert.Single(modelState.Keys);
Assert.Equal("Parameter1", key);
Assert.Equal("", modelState[key].AttemptedValue);
Assert.Equal("", modelState[key].RawValue);
var error = Assert.Single(modelState[key].Errors);
Assert.Equal("The value '' is invalid.", error.ErrorMessage, StringComparer.Ordinal);
Assert.Null(error.Exception);
}
public async Task BinderTypeOnParameterType_WithDataEmptyPrefixAndVersion20_GetsBound(
BindingInfo bindingInfo)
{
// Arrange
var testContext = ModelBindingTestHelper.GetTestContext(
// ParameterBinder will use ModelMetadata for typeof(Address), not Parameter1's ParameterInfo.
updateOptions: options => options.AllowValidatingTopLevelNodes = false);
var modelState = testContext.ModelState;
var parameterBinder = ModelBindingTestHelper.GetParameterBinder(testContext.HttpContext.RequestServices);
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = bindingInfo,
ParameterType = typeof(Address),
};
// 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 FromBodyAllowingEmptyInputOnActionParameter_EmptyBody_BindsToNullValue()
{
// Arrange
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
BindingInfo = new BindingInfo
{
BinderModelName = "CustomParameter",
BindingSource = BindingSource.Body
},
ParameterType = typeof(Person)
};
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(string.Empty));
request.ContentType = "application/json";
});
var httpContext = testContext.HttpContext;
var modelState = testContext.ModelState;
var optionsAccessor = testContext.GetService <IOptions <MvcOptions> >();
optionsAccessor.Value.AllowEmptyInputInBodyModelBinding = true;
var parameterBinder = ModelBindingTestHelper.GetParameterBinder(optionsAccessor.Value);
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
Assert.Null(modelBindingResult.Model);
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public async Task ModelMetadataTypeAttribute_InvalidComplexTypePropertyOnBaseClass_HasModelStateErrors()
{
// Arrange
var input = "{ \"Contact\":\"4255678765\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 21 }";
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BindingSource = BindingSource.Body
},
ParameterType = typeof(ProductViewModel)
};
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json";
});
var modelState = testContext.ModelState;
var productDetailsRequired = ValidationAttributeUtil.GetRequiredErrorMessage("ProductDetails");
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var boundPerson = Assert.IsType <ProductViewModel>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
Assert.False(modelState.IsValid);
var modelStateErrors = CreateValidationDictionary(modelState);
Assert.Equal(productDetailsRequired, modelStateErrors["ProductDetails"]);
}
public async Task ComplexModel_EmptyPrefixSelected_NoMatchingValueProviderValue_WithFilteredValueProviders_NoValues()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
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 argumentBinder.BindModelAsync(parameter, testContext) ?? default(ModelBindingResult);
// Assert
Assert.True(modelBindingResult.IsModelSet);
Assert.Equal(string.Empty, modelBindingResult.Key);
var model = Assert.IsType <Person5>(modelBindingResult.Model);
Assert.Null(model.Name);
Assert.Equal(0, modelState.Count);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task ModelMetadataTypeAttribute_InvalidClassAttributeOnBaseClassProduct_HasModelStateErrors()
{
// Arrange
var input = "{ \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
"\"CompanyName\":\"Microsoft\", \"Country\":\"UK\",\"Version\":\"2\"," +
"\"DatePurchased\": \"/Date(1297246301973)/\", \"Price\" : \"110\" }";
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "Parameter1",
BindingInfo = new BindingInfo()
{
BindingSource = BindingSource.Body
},
ParameterType = typeof(SoftwareViewModel)
};
var testContext = ModelBindingTestHelper.GetTestContext(
request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json";
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var boundPerson = Assert.IsType <SoftwareViewModel>(modelBindingResult.Model);
Assert.NotNull(boundPerson);
Assert.False(modelState.IsValid);
var modelStateErrors = CreateValidationDictionary(modelState);
Assert.Single(modelStateErrors);
Assert.Equal("Product must be made in the USA if it is not named.", modelStateErrors[""]);
}
public async Task FromBodyOnPropertyType_WithData_Succeeds(BindingInfo bindingInfo)
{
// Arrange
var inputText = "{ \"Street\" : \"someStreet\" }";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty <Person6>(nameof(Person6.Address))
.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(Person6),
};
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var person = Assert.IsType <Person6>(modelBindingResult.Model);
Assert.NotNull(person.Address);
Assert.Equal("someStreet", person.Address.Street, StringComparer.Ordinal);
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public async Task BindModelAsync_WithBindProperty_EnforcesBindRequired(int?input, bool isValid)
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = nameof(TestController.BindRequiredProp),
ParameterType = typeof(string),
BindingInfo = BindingInfo.GetBindingInfo(new[] { new BindPropertyAttribute() }),
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Method = "POST";
if (input.HasValue)
{
request.QueryString = new QueryString($"?{parameter.Name}={input.Value}");
}
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelMetadata = modelMetadataProvider
.GetMetadataForProperty(typeof(TestController), parameter.Name);
// Act
var result = await parameterBinder.BindModelAsync(
parameter,
testContext,
modelMetadataProvider,
modelMetadata);
// Assert
Assert.Equal(input.HasValue, result.IsModelSet);
Assert.Equal(isValid, testContext.ModelState.IsValid);
if (isValid)
{
Assert.Equal(input.Value, Assert.IsType <int>(result.Model));
}
}
public async Task KeyValuePairModelBinder_BindsKeyValuePairOfSimpleType_WithPrefix_Success()
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
ParameterType = typeof(KeyValuePair <string, int>)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = new QueryString("?parameter.Key=key0¶meter.Value=10");
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <KeyValuePair <string, int> >(modelBindingResult.Model);
Assert.Equal(new KeyValuePair <string, int>("key0", 10), model);
Assert.Equal(2, modelState.Count);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
var entry = Assert.Single(modelState, kvp => kvp.Key == "parameter.Key").Value;
Assert.Equal("key0", entry.AttemptedValue);
Assert.Equal("key0", entry.RawValue);
entry = Assert.Single(modelState, kvp => kvp.Key == "parameter.Value").Value;
Assert.Equal("10", entry.AttemptedValue);
Assert.Equal("10", entry.RawValue);
}
public async Task DictionaryModelBinder_BindsDictionaryOfComplexType_ExplicitPrefix_Success(
string queryString)
{
// Arrange
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor()
{
Name = "parameter",
BindingInfo = new BindingInfo()
{
BinderModelName = "prefix",
},
ParameterType = typeof(Dictionary <string, Person>)
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = new QueryString(queryString);
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
Assert.True(modelBindingResult.IsModelSet);
var model = Assert.IsType <Dictionary <string, Person> >(modelBindingResult.Model);
Assert.Equal(new Dictionary <string, Person> {
{ "key0", new Person {
Id = 10
} },
}, model);
Assert.NotEmpty(modelState);
Assert.Equal(0, modelState.ErrorCount);
Assert.True(modelState.IsValid);
}
public async Task TryUpdateModel_ExistingModel_WithPrefix_ValuesGetOverwritten()
{
// Arrange
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.QueryString = QueryString.Create("prefix.Street", "SomeStreet");
});
var modelState = testContext.ModelState;
var model = new Address
{
Street = "DefaultStreet",
City = "Toronto",
};
var oldModel = model;
// Act
var result = await TryUpdateModelAsync(model, "prefix", testContext);
// Assert
Assert.True(result);
// Model
Assert.Same(oldModel, model);
Assert.Equal("SomeStreet", model.Street);
Assert.Equal("Toronto", model.City);
// ModelState
Assert.True(modelState.IsValid);
var entry = Assert.Single(modelState);
Assert.Equal("prefix.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 BindProperty_WithData_WithPrefix_GetsBound()
{
// Arrange
var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
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 argumentBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// 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 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 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 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 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 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 BindDateTimeParameter_WithDataFromBody_GetsBound()
{
// Arrange
var input = "\"2020-02-01\"";
var parameterBinder = ModelBindingTestHelper.GetParameterBinder();
var parameter = new ParameterDescriptor
{
Name = "Parameter1",
ParameterType = typeof(DateTime),
BindingInfo = new BindingInfo
{
BindingSource = BindingSource.Body,
}
};
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
request.ContentType = "application/json";
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await parameterBinder.BindModelAsync(parameter, testContext);
// Assert
// ModelBindingResult
Assert.True(modelBindingResult.IsModelSet);
// Model
var model = Assert.IsType <DateTime>(modelBindingResult.Model);
Assert.Equal(new DateTime(2020, 02, 01, 0, 0, 0, DateTimeKind.Utc), model);
// ModelState
Assert.True(modelState.IsValid);
}
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 argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
var testContext = ModelBindingTestHelper.GetTestContext(request =>
{
request.Form = new FormCollection(formContent);
});
var modelState = testContext.ModelState;
// Act
var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext) ?? default(ModelBindingResult);
// 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 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 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 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_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 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 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 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);
}