public void Create_ForSupportedTypes_ReturnsBinder()
{
// Arrange
var provider = new ComplexTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(int) || m.ModelType == typeof(string))
{
return(Mock.Of <IModelBinder>());
}
else
{
Assert.False(true, "Not the right model type");
return(null);
}
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <ComplexTypeModelBinder>(result);
}
public void Create_ForSupportedType_ReturnsBinder_WithExpectedAllowValidatingTopLevelNodes(
bool allowValidatingTopLevelNodes)
{
// Arrange
var provider = new ComplexTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.MvcOptions.AllowValidatingTopLevelNodes = allowValidatingTopLevelNodes;
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(int) || m.ModelType == typeof(string))
{
return(Mock.Of <IModelBinder>());
}
else
{
Assert.False(true, "Not the right model type");
return(null);
}
});
// Act
var result = provider.GetBinder(context);
// Assert
var binder = Assert.IsType <ComplexTypeModelBinder>(result);
Assert.Equal(allowValidatingTopLevelNodes, binder.AllowValidatingTopLevelNodes);
}
public void Create_ForDictionaryType_ReturnsBinder_WithExpectedAllowValidatingTopLevelNodes(
bool allowValidatingTopLevelNodes)
{
// Arrange
var provider = new DictionaryModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Dictionary <string, string>));
context.MvcOptions.AllowValidatingTopLevelNodes = allowValidatingTopLevelNodes;
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(KeyValuePair <string, string>) || m.ModelType == typeof(string))
{
return(Mock.Of <IModelBinder>());
}
else
{
Assert.False(true, "Not the right model type");
return(null);
}
});
// Act
var result = provider.GetBinder(context);
// Assert
var binder = Assert.IsType <DictionaryModelBinder <string, string> >(result);
Assert.Equal(allowValidatingTopLevelNodes, binder.AllowValidatingTopLevelNodes);
Assert.False(((CollectionModelBinder <KeyValuePair <string, string> >)binder).AllowValidatingTopLevelNodes);
}
public void Create_ForDictionaryType_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new DictionaryModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(KeyValuePair<string, int>) ||
m.ModelType == typeof(int) ||
m.ModelType == typeof(string))
{
return Mock.Of<IModelBinder>();
}
else
{
Assert.False(true, "Not the right model type");
return null;
}
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<DictionaryModelBinder<string, int>>(result);
}
private TestModelBinderProviderContext GetTestModelBinderProviderContext(Type modelType)
{
var context = new TestModelBinderProviderContext(modelType);
var options = context.Services.GetRequiredService <IOptions <MvcOptions> >().Value;
return(context);
}
public void Create_ForSupportedTypes_ReturnsBinder()
{
// Arrange
var provider = new ComplexTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(int) || m.ModelType == typeof(string))
{
return Mock.Of<IModelBinder>();
}
else
{
Assert.False(true, "Not the right model type");
return null;
}
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<ComplexTypeModelBinder>(result);
}
public void Create_ForDictionaryType_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new DictionaryModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(KeyValuePair <string, int>) ||
m.ModelType == typeof(int) ||
m.ModelType == typeof(string))
{
return(Mock.Of <IModelBinder>());
}
else
{
Assert.False(true, "Not the right model type");
return(null);
}
});
// Act
var result = provider.GetBinder(context);
// Assert
var binder = Assert.IsType <DictionaryModelBinder <string, int> >(result);
Assert.False(binder.AllowValidatingTopLevelNodes); // work done in DictionaryModelBinder.
}
public void Create_ForModelMetadataReadOnly_ReturnsNull()
{
// Arrange
var metadataProvider = new TestModelMetadataProvider();
metadataProvider.ForProperty(
typeof(ModelWithIntArrayProperty),
nameof(ModelWithIntArrayProperty.ArrayProperty)).BindingDetails(bd => bd.IsReadOnly = true);
var modelMetadata = metadataProvider.GetMetadataForProperty(
typeof(ModelWithIntArrayProperty),
nameof(ModelWithIntArrayProperty.ArrayProperty));
var provider = new ArrayModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(int[]));
context.OnCreatingBinder((m) =>
{
// Expect to be called with the element type to create a binder for elements.
Assert.Equal(typeof(int), m.ModelType);
return(Mock.Of <IModelBinder>());
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <ArrayModelBinder <int> >(result);
}
public void Create_ForKeyValuePair_ReturnsBinder()
{
// Arrange
var provider = new KeyValuePairModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(KeyValuePair <string, int>));
context.OnCreatingBinder(m =>
{
if (m.ModelType == typeof(string) || m.ModelType == typeof(int))
{
return(Mock.Of <IModelBinder>());
}
else
{
Assert.False(true, "Not the right model type");
return(null);
}
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <KeyValuePairModelBinder <string, int> >(result);
}
public void Create_ForModelMetadataReadOnly_ReturnsNull()
{
// Arrange
var metadataProvider = new TestModelMetadataProvider();
metadataProvider.ForProperty(
typeof(ModelWithIntArrayProperty),
nameof(ModelWithIntArrayProperty.ArrayProperty)).BindingDetails(bd => bd.IsReadOnly = true);
var modelMetadata = metadataProvider.GetMetadataForProperty(
typeof(ModelWithIntArrayProperty),
nameof(ModelWithIntArrayProperty.ArrayProperty));
var provider = new ArrayModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(int[]));
context.OnCreatingBinder((m) =>
{
// Expect to be called with the element type to create a binder for elements.
Assert.Equal(typeof(int), m.ModelType);
return Mock.Of<IModelBinder>();
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<ArrayModelBinder<int>>(result);
}
private TestModelBinderProviderContext GetTestModelBinderProviderContext(
Type modelType,
bool allowBindingHeaderValuesToNonStringModelTypes = true)
{
var context = new TestModelBinderProviderContext(modelType);
var options = context.Services.GetRequiredService <IOptions <MvcOptions> >().Value;
options.AllowBindingHeaderValuesToNonStringModelTypes = allowBindingHeaderValuesToNonStringModelTypes;
return(context);
}
public void Create_ForNullableDateTime_ReturnsBinder()
{
// Arrange
var context = new TestModelBinderProviderContext(typeof(DateTime?));
// Act
var result = _provider.GetBinder(context);
// Assert
Assert.IsType <DateTimeModelBinder>(result);
}
public void Create_ForNonDateTime_ReturnsNull(Type modelType)
{
// Arrange
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = _provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForNonArrayTypes_ReturnsNull(Type modelType)
{
// Arrange
var provider = new ArrayModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForSimpleTypes_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new SimpleTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<SimpleTypeModelBinder>(result);
}
public void Create_ForCollectionOrComplexTypes_ReturnsNull(Type modelType)
{
// Arrange
var provider = new SimpleTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForModelTypeWithNoDefaultPublicConstructor_ReturnsNull(Type modelType)
{
// Arrange
var provider = new ComplexTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForAbstractModelTypeWithDefaultPublicConstructor_ReturnsNull()
{
// Arrange
var provider = new ComplexTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(AbstractClassWithDefaultConstructor));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void ReturnsBinder_ForFlagsEnumType(Type modelType)
{
// Arrange
var provider = new EnumTypeModelBinderProvider(new MvcOptions());
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <EnumTypeModelBinder>(result);
}
public void DoesNotReturnBinder_ForNonEnumTypes(Type modelType)
{
// Arrange
var provider = new EnumTypeModelBinderProvider(new MvcOptions());
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForTypesWithTryParse_ReturnsBinder()
{
// Arrange
var provider = new TryParseModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(TestClassWithTryParse));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <TryParseModelBinder>(result);
}
public void Create_ForFormCollectionToken_ReturnsBinder()
{
// Arrange
var provider = new FormCollectionModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(IFormCollection));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<FormCollectionModelBinder>(result);
}
public void Create_ForCancellationToken_ReturnsBinder()
{
// Arrange
var provider = new CancellationTokenModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(CancellationToken));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <CancellationTokenModelBinder>(result);
}
public void Create_ForSupportedTypes_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new FormFileModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <FormFileModelBinder>(result);
}
public void Create_ForFloatTypes_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new FloatingPointTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <FloatModelBinder>(result);
}
public void Create_ForFormCollectionToken_ReturnsBinder()
{
// Arrange
var provider = new FormCollectionModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(IFormCollection));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <FormCollectionModelBinder>(result);
}
public void Create_ForUnsupportedSimpleTypes_ReturnsNull(Type modelType)
{
// Arrange
var provider = new FloatingPointTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForByteArray_ReturnsBinder()
{
// Arrange
var provider = new ByteArrayModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(byte[]));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <ByteArrayModelBinder>(result);
}
public void Create_ForCollectionOrComplexTypes_ReturnsNull(Type modelType)
{
// Arrange
var provider = new SimpleTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForNonCancellationTokenTypes_ReturnsNull(Type modelType)
{
// Arrange
var provider = new CancellationTokenModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_WhenBinderTypeIsNull_ReturnsNull()
{
// Arrange
var provider = new BinderTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_WhenBinderTypeIsNull_ReturnsNull()
{
// Arrange
var provider = new BinderTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ThrowsException_ForFormCollectionModelType(Type modelType)
{
// Arrange
var provider = new FormCollectionModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(() => provider.GetBinder(context));
Assert.Equal(
$"The '{typeof(FormCollectionModelBinder).FullName}' cannot bind to a model of type '{modelType.FullName}'. Change the model type to '{typeof(IFormCollection).FullName}' instead.",
exception.Message);
}
public void Create_ForNonDictionaryType_ReturnsNull(Type modelType)
{
// Arrange
var provider = new DictionaryModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_WhenBinderTypeIsSet_ReturnsBinder()
{
// Arrange
var provider = new BinderTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.BindingInfo.BinderType = typeof(NullModelBinder);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType<BinderTypeModelBinder>(result);
}
public void GetBinder_WhenBindingSourceIsFromBody_ReturnsBinder()
{
// Arrange
var provider = CreateProvider(new TestInputFormatter());
var context = new TestModelBinderProviderContext(typeof(Person));
context.BindingInfo.BindingSource = BindingSource.Body;
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <BodyModelBinder>(result);
}
public void Create_WhenBindingSourceIsNotFromServices_ReturnsNull(BindingSource source)
{
// Arrange
var provider = new ServicesModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(IPersonService));
context.BindingInfo.BindingSource = source;
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void GetBinder_DoesNotThrowNullReferenceException()
{
// Arrange
var context = new TestModelBinderProviderContext(typeof(Person));
context.BindingInfo.BindingSource = BindingSource.Body;
var formatter = new TestInputFormatter();
var formatterList = new List <IInputFormatter> {
formatter
};
var provider = new BodyModelBinderProvider(formatterList, new TestHttpRequestStreamReaderFactory());
// Act & Assert (does not throw)
provider.GetBinder(context);
}
public void GetBinder_WhenNoInputFormatters_Throws()
{
// Arrange
var expected = $"'{typeof(MvcOptions).FullName}.{nameof(MvcOptions.InputFormatters)}' must not be empty. " +
$"At least one '{typeof(IInputFormatter).FullName}' is required to bind from the body.";
var provider = CreateProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.BindingInfo.BindingSource = BindingSource.Body;
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(() => provider.GetBinder(context));
Assert.Equal(expected, exception.Message);
}
public void Create_WhenBinderTypeIsSet_ReturnsBinder()
{
// Arrange
var provider = new BinderTypeModelBinderProvider();
var context = new TestModelBinderProviderContext(typeof(Person));
context.BindingInfo.BinderType = typeof(NullModelBinder);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType <BinderTypeModelBinder>(result);
}
public void Create_ForArrayTypes_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new ArrayModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
context.OnCreatingBinder((m) =>
{
// Expect to be called with the element type to create a binder for elements.
Assert.Equal(modelType.GetElementType(), m.ModelType);
return Mock.Of<IModelBinder>();
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.IsType(typeof(ArrayModelBinder<>).MakeGenericType(modelType.GetElementType()), result);
}
public void Create_ForNonICollectionTypes_ReadOnlyProperty_ReturnsNull(string propertyName)
{
// Arrange
var provider = new CollectionModelBinderProvider();
var metadataProvider = TestModelBinderProviderContext.CachedMetadataProvider;
var metadata = metadataProvider.GetMetadataForProperty(typeof(ReadOnlyProperties), propertyName);
Assert.NotNull(metadata);
Assert.True(metadata.IsReadOnly);
var context = new TestModelBinderProviderContext(metadata, bindingInfo: null);
// Act
var result = provider.GetBinder(context);
// Assert
Assert.Null(result);
}
public void Create_ForSupportedTypes_ReturnsBinder(Type modelType)
{
// Arrange
var provider = new CollectionModelBinderProvider();
var context = new TestModelBinderProviderContext(modelType);
Type elementType = null;
context.OnCreatingBinder(m =>
{
Assert.Equal(typeof(int), m.ModelType);
elementType = m.ModelType;
return Mock.Of<IModelBinder>();
});
// Act
var result = provider.GetBinder(context);
// Assert
Assert.NotNull(elementType);
Assert.IsType<CollectionModelBinder<int>>(result);
}