public async Task BindModelSetsModelToNullOnNullOrEmptyString(string value)
{
// Arrange
var valueProvider = new SimpleHttpValueProvider()
{
{ "foo", value }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
Assert.False(binderResult.IsModelSet);
Assert.Equal("foo", binderResult.Key);
Assert.Null(binderResult.Model);
var modelState = Assert.Single(bindingContext.ModelState);
Assert.Equal("foo", modelState.Key);
Assert.NotNull(modelState.Value.Value);
Assert.Equal(value, modelState.Value.Value.RawValue);
}
public async Task BindModelAsync_SimpleCollectionWithNullValue_Succeeds()
{
// Arrange
var binder = new CollectionModelBinder <int>();
var valueProvider = new SimpleHttpValueProvider
{
{ "someName", null },
};
var bindingContext = GetModelBindingContext(valueProvider, isReadOnly: false);
var modelState = bindingContext.ModelState;
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.NotNull(result.Model);
Assert.NotNull(result.ValidationNode);
var model = Assert.IsType <List <int> >(result.Model);
Assert.Empty(model);
Assert.True(modelState.IsValid);
}
public async Task BindModel_UsesTheValidationNodeOnModelBindingResult_IfPresent()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
ModelValidationNode validationNode = null;
var mockBinder = new Mock <IModelBinder>();
mockBinder
.Setup(o => o.BindModelAsync(It.IsAny <ModelBindingContext>()))
.Returns(
delegate(ModelBindingContext context)
{
validationNode = new ModelValidationNode("someName", context.ModelMetadata, 42);
return(Task.FromResult(
new ModelBindingResult(42, "someName", isModelSet: true, validationNode: validationNode)));
});
var binder = CreateCompositeBinder(mockBinder.Object);
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.Same(validationNode, result.ValidationNode);
}
public async Task BindModel_WithDefaultBinders_BindsComplexType()
{
// Arrange
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "firstName", "firstName-value" },
{ "lastName", "lastName-value" },
{ "friends[0].firstName", "first-friend" },
{ "friends[0].age", "40" },
{ "friends[0].friends[0].firstname", "nested friend" },
{ "friends[1].firstName", "some other" },
{ "friends[1].lastName", "name" },
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(Person));
// Act
var isBound = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(isBound);
var model = Assert.IsType <Person>(bindingContext.Model);
Assert.Equal("firstName-value", model.FirstName);
Assert.Equal("lastName-value", model.LastName);
Assert.Equal(2, model.Friends.Count);
Assert.Equal("first-friend", model.Friends[0].FirstName);
Assert.Equal(40, model.Friends[0].Age);
var nestedFriend = Assert.Single(model.Friends[0].Friends);
Assert.Equal("nested friend", nestedFriend.FirstName);
Assert.Equal("some other", model.Friends[1].FirstName);
Assert.Equal("name", model.Friends[1].LastName);
}
public async Task BindModel_UsesTryAddModelError()
{
// Arrange
var validatorProvider = new DataAnnotationsModelValidatorProvider();
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "user.password", "password" },
{ "user.confirmpassword", "password2" },
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(User), validatorProvider);
bindingContext.ModelState.MaxAllowedErrors = 2;
bindingContext.ModelState.AddModelError("key1", "error1");
bindingContext.ModelName = "user";
// Act
await binder.BindModelAsync(bindingContext);
// Assert
var modelState = bindingContext.ModelState["user.confirmpassword"];
Assert.Empty(modelState.Errors);
modelState = bindingContext.ModelState["user"];
Assert.Empty(modelState.Errors);
var error = Assert.Single(bindingContext.ModelState[""].Errors);
Assert.IsType <TooManyModelErrorsException>(error.Exception);
}
public async Task BindModelAddsModelErrorsOnInvalidCharacters()
{
// Arrange
var expected = TestPlatformHelper.IsMono ?
"Invalid length." :
"The supplied value is invalid for foo.";
var valueProvider = new SimpleHttpValueProvider()
{
{ "foo", "\"Fys1\"" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(binderResult);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["foo"].Errors);
Assert.Equal(expected, error.ErrorMessage);
}
public async Task BindModel_ComplexCollection_BindingContextModelNonNull_Succeeds(bool isReadOnly)
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName.index", new[] { "foo", "bar", "baz" } },
{ "someName[foo]", "42" },
{ "someName[bar]", "100" },
{ "someName[baz]", "200" }
};
var bindingContext = GetModelBindingContext(valueProvider, isReadOnly);
var modelState = bindingContext.ModelState;
var list = new List <int>();
bindingContext.Model = list;
var binder = new CollectionModelBinder <int>();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.Same(list, result.Model);
Assert.Equal(new[] { 42, 100, 200 }, list.ToArray());
Assert.True(modelState.IsValid);
}
public async Task BindModelAsync_ModelMetadataNotReadOnly_ModelNonNull_FailsSilently(int[] model)
{
// Arrange
var arrayLength = model.Length;
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[0]", "42" },
{ "someName[1]", "84" },
};
var bindingContext = GetBindingContext(valueProvider, isReadOnly: false);
var modelState = bindingContext.ModelState;
bindingContext.Model = model;
var binder = new ArrayModelBinder <int>();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.True(result.IsModelSet);
Assert.Same(model, result.Model);
Assert.True(modelState.IsValid);
for (var i = 0; i < arrayLength; i++)
{
// Array should be unchanged.
Assert.Equal(357, model[i]);
}
}
private static ModelBindingContext GetModelBindingContext(bool isReadOnly)
{
var metadataProvider = new TestModelMetadataProvider();
metadataProvider.ForType <List <int> >().BindingDetails(bd => bd.IsReadOnly = isReadOnly);
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[0]", new KeyValuePair <int, string>(42, "forty-two") },
{ "someName[1]", new KeyValuePair <int, string>(84, "eighty-four") },
};
var bindingContext = new ModelBindingContext
{
ModelMetadata = metadataProvider.GetMetadataForType(typeof(IDictionary <int, string>)),
ModelName = "someName",
ValueProvider = valueProvider,
OperationBindingContext = new OperationBindingContext
{
ModelBinder = CreateKvpBinder(),
MetadataProvider = metadataProvider
}
};
return(bindingContext);
}
public async Task BindModel_SubBindingSucceeds()
{
// Arrange
var innerBinder = new CompositeModelBinder(new[] { CreateStringBinder(), CreateIntBinder() });
var valueProvider = new SimpleHttpValueProvider();
var bindingContext = GetBindingContext(valueProvider, innerBinder);
var binder = new KeyValuePairModelBinder <int, string>();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.Equal(new KeyValuePair <int, string>(42, "some-value"), result.Model);
Assert.NotNull(result.ValidationNode);
Assert.Equal(new KeyValuePair <int, string>(42, "some-value"), result.ValidationNode.Model);
Assert.Equal("someName", result.ValidationNode.Key);
var validationNode = result.ValidationNode.ChildNodes[0];
Assert.Equal("someName.Key", validationNode.Key);
Assert.Equal(42, validationNode.Model);
Assert.Empty(validationNode.ChildNodes);
validationNode = result.ValidationNode.ChildNodes[1];
Assert.Equal("someName.Value", validationNode.Key);
Assert.Equal("some-value", validationNode.Model);
Assert.Empty(validationNode.ChildNodes);
}
public async Task BindModelAddsModelErrorsOnInvalidCharacters()
{
// Arrange
var expected = TestPlatformHelper.IsMono ?
"Invalid length." :
"The input is not a valid Base-64 string as it contains a non-base 64 character," +
" more than two padding characters, or an illegal character among the padding characters. ";
var valueProvider = new SimpleHttpValueProvider()
{
{ "foo", "\"Fys1\"" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(binderResult);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["foo"].Errors);
Assert.Equal(expected, error.ErrorMessage);
}
public async Task BindModel_MissingKey_ReturnsFalse()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
var bindingContext = GetBindingContext(valueProvider, Mock.Of <IModelBinder>());
var binder = new KeyValuePairModelBinder <int, string>();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(retVal);
Assert.Null(bindingContext.Model);
Assert.Empty(bindingContext.ValidationNode.ChildNodes);
}
public async Task BindModel_MissingValue_ReturnsTrue()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
var bindingContext = GetBindingContext(valueProvider);
var binder = new KeyValuePairModelBinder <int, string>();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.Equal(new[] { "someName.key" }, bindingContext.ValidationNode.ChildNodes.Select(n => n.ModelStateKey).ToArray());
}
public async Task GetBinder_ModelMetadataReturnsReadOnly_ReturnsNull()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "foo[0]", "42" },
};
var bindingContext = GetBindingContext(valueProvider, isReadOnly: true);
var binder = new ArrayModelBinder <int>();
// Act
var bound = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(bound);
}
public async Task BindComplexCollectionFromIndexes_FiniteIndexes()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[foo]", "42" },
{ "someName[baz]", "200" }
};
var bindingContext = GetModelBindingContext(valueProvider);
var binder = new CollectionModelBinder <int>();
// Act
var boundCollection = await binder.BindComplexCollectionFromIndexes(bindingContext, new[] { "foo", "bar", "baz" });
// Assert
Assert.Equal(new[] { 42, 0, 200 }, boundCollection.ToArray());
}
public async Task BindModelReturnsFalseWhenValueNotFound()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider()
{
{ "someName", "" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(binderResult);
}
public async Task BindModelSetsModelToNullOnNullOrEmptyString(string value)
{
// Arrange
var valueProvider = new SimpleHttpValueProvider()
{
{ "foo", value }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(binderResult);
}
public async Task BindModel_SimpleCollection()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName", new[] { "42", "100", "200" } }
};
var bindingContext = GetModelBindingContext(valueProvider);
var binder = new CollectionModelBinder <int>();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Equal(new[] { 42, 100, 200 }, ((List <int>)bindingContext.Model).ToArray());
}
public async Task BindModel_SubBindingSucceeds()
{
// Arrange
var innerBinder = new CompositeModelBinder(new[] { CreateStringBinder(), CreateIntBinder() });
var valueProvider = new SimpleHttpValueProvider();
var bindingContext = GetBindingContext(valueProvider, innerBinder);
var binder = new KeyValuePairModelBinder <int, string>();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Equal(new KeyValuePair <int, string>(42, "some-value"), bindingContext.Model);
Assert.Equal(new[] { "someName.key", "someName.value" }, bindingContext.ValidationNode.ChildNodes.Select(n => n.ModelStateKey).ToArray());
}
public async Task BindComplexCollectionFromIndexes_InfiniteIndexes()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[0]", "42" },
{ "someName[1]", "100" },
{ "someName[3]", "400" }
};
var bindingContext = GetModelBindingContext(valueProvider);
var binder = new CollectionModelBinder <int>();
// Act
var boundCollection = await binder.BindComplexCollectionFromIndexes(bindingContext, indexNames : null);
// Assert
Assert.Equal(new[] { 42, 100 }, boundCollection.ToArray());
}
public async Task BindModel_DoesNotAddAValidationNode_IfModelBindingResultIsNull()
{
// Arrange
var mockBinder = new Mock <IModelBinder>();
mockBinder
.Setup(o => o.BindModelAsync(It.IsAny <ModelBindingContext>()))
.Returns(Task.FromResult <ModelBindingResult>(null));
var binder = CreateCompositeBinder(mockBinder.Object);
var valueProvider = new SimpleHttpValueProvider();
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(result);
}
public async Task BindModelAsync_ModelMetadataReadOnly_ReturnsNull(int[] model)
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[0]", "42" },
{ "someName[1]", "84" },
};
var bindingContext = GetBindingContext(valueProvider, isReadOnly: true);
bindingContext.Model = model;
var binder = new ArrayModelBinder <int>();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(result);
}
public async Task BindModel_WithDefaultBinders_BindsSimpleType()
{
// Arrange
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "firstName", "firstName-value" },
{ "lastName", "lastName-value" }
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
var model = Assert.IsType <SimplePropertiesModel>(result.Model);
Assert.Equal("firstName-value", model.FirstName);
Assert.Equal("lastName-value", model.LastName);
Assert.NotNull(result.ValidationNode);
Assert.Equal(2, result.ValidationNode.ChildNodes.Count);
Assert.Equal("", result.ValidationNode.Key);
Assert.Equal(bindingContext.ModelMetadata, result.ValidationNode.ModelMetadata);
model = Assert.IsType <SimplePropertiesModel>(result.ValidationNode.Model);
Assert.Equal("firstName-value", model.FirstName);
Assert.Equal("lastName-value", model.LastName);
Assert.Equal(2, result.ValidationNode.ChildNodes.Count);
var validationNode = result.ValidationNode.ChildNodes[0];
Assert.Equal("FirstName", validationNode.Key);
Assert.Equal("firstName-value", validationNode.Model);
Assert.Empty(validationNode.ChildNodes);
validationNode = result.ValidationNode.ChildNodes[1];
Assert.Equal("LastName", validationNode.Key);
Assert.Equal("lastName-value", validationNode.Model);
Assert.Empty(validationNode.ChildNodes);
}
public async Task BindModel_MissingValue_ReturnsResult_AndAddsModelValidationError()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider();
// Create int binder to create the value but not the key.
var bindingContext = GetBindingContext(valueProvider, CreateIntBinder());
var binder = new KeyValuePairModelBinder <int, string>();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(result);
Assert.Null(result.Model);
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal("someName", bindingContext.ModelName);
Assert.Equal(bindingContext.ModelState["someName.Value"].Errors.First().ErrorMessage, "A value is required.");
}
public async Task BindModel_ComplexCollection()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName.index", new[] { "foo", "bar", "baz" } },
{ "someName[foo]", "42" },
{ "someName[bar]", "100" },
{ "someName[baz]", "200" }
};
var bindingContext = GetModelBindingContext(valueProvider);
var binder = new CollectionModelBinder <int>();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Equal(new[] { 42, 100, 200 }, ((List <int>)bindingContext.Model).ToArray());
}
public async Task BindModel()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider()
{
{ "foo", "Fys1" }
};
var bindingContext = GetBindingContext(valueProvider, typeof(byte[]));
var binder = new ByteArrayModelBinder();
// Act
var binderResult = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(binderResult);
var bytes = Assert.IsType <byte[]>(bindingContext.Model);
Assert.Equal(new byte[] { 23, 43, 53 }, bytes);
}
public async Task BindModel()
{
// Arrange
var valueProvider = new SimpleHttpValueProvider
{
{ "someName[0]", "42" },
{ "someName[1]", "84" }
};
ModelBindingContext bindingContext = GetBindingContext(valueProvider);
var binder = new ArrayModelBinder <int>();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
int[] array = bindingContext.Model as int[];
Assert.Equal(new[] { 42, 84 }, array);
}
public async Task BindModel_WithDefaultBinders_BindsSimpleType()
{
// Arrange
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "firstName", "firstName-value" },
{ "lastName", "lastName-value" }
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(SimplePropertiesModel));
// Act
var isBound = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(isBound);
var model = Assert.IsType <SimplePropertiesModel>(bindingContext.Model);
Assert.Equal("firstName-value", model.FirstName);
Assert.Equal("lastName-value", model.LastName);
}
public async Task BindModel_WithDefaultValidators_ValidatesInstance()
{
// Arrange
var validatorProvider = new DataAnnotationsModelValidatorProvider();
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "user.password", "password" },
{ "user.confirmpassword", "password" },
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(User), new[] { validatorProvider });
bindingContext.ModelName = "user";
// Act
var isBound = await binder.BindModelAsync(bindingContext);
// Assert
var error = Assert.Single(bindingContext.ModelState["user"].Errors);
Assert.Equal("Password does not meet complexity requirements.", error.ErrorMessage);
}
public async Task BindModel_WithDefaultValidators_ValidatesSubProperties()
{
// Arrange
var validatorProvider = new DataAnnotationsModelValidatorProvider();
var binder = CreateBinderWithDefaults();
var valueProvider = new SimpleHttpValueProvider
{
{ "user.password", "password-val" },
{ "user.confirmpassword", "not-password-val" },
};
var bindingContext = CreateBindingContext(binder, valueProvider, typeof(User), new[] { validatorProvider });
bindingContext.ModelName = "user";
// Act
var isBound = await binder.BindModelAsync(bindingContext);
// Assert
var error = Assert.Single(bindingContext.ModelState["user.confirmpassword"].Errors);
Assert.Equal("'ConfirmPassword' and 'Password' do not match.", error.ErrorMessage);
}