public async Task ModelBinderFactory_BindsPropertiesOnPageModel()
{
// Arrange
var type = typeof(PageModelWithProperty).GetTypeInfo();
var actionDescriptor = new CompiledPageActionDescriptor
{
BoundProperties = new[]
{
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithProperty.Id),
ParameterType = typeof(int),
Property = type.GetProperty(nameof(PageModelWithProperty.Id)),
},
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithProperty.RouteDifferentValue),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithProperty.RouteDifferentValue)),
},
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithProperty.PropertyWithNoValue),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithProperty.PropertyWithNoValue)),
}
},
HandlerTypeInfo = typeof(PageModelWithProperty).GetTypeInfo(),
PageTypeInfo = typeof(PageWithProperty).GetTypeInfo(),
ModelTypeInfo = typeof(PageModelWithProperty).GetTypeInfo(),
};
var binder = new TestParameterBinder(new Dictionary <string, object>
{
{ nameof(PageModelWithProperty.Id), 10 },
{ nameof(PageModelWithProperty.RouteDifferentValue), "route-value" }
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithProperty();
// Act
await factory(page.PageContext, model);
// Assert
// Verify that the page properties were not bound.
Assert.Equal(default, page.Id);
public async Task CreatePropertyBinder_ValidatesTopLevelProperties()
{
// Arrange
var type = typeof(PageModelWithValidation).GetTypeInfo();
var actionDescriptor = new CompiledPageActionDescriptor
{
BoundProperties = new[]
{
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithValidation.Validated),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithValidation.Validated)),
},
},
HandlerTypeInfo = type,
PageTypeInfo = typeof(PageWithProperty).GetTypeInfo(),
ModelTypeInfo = type,
};
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var binder = new ParameterBinder(
modelMetadataProvider,
modelBinderFactory,
new DefaultObjectValidator(
modelMetadataProvider,
new[] { TestModelValidatorProvider.CreateDefaultProvider() }),
NullLoggerFactory.Instance);
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithValidation();
// Act
await factory(page.PageContext, model);
// Assert
var modelState = page.PageContext.ModelState;
Assert.False(modelState.IsValid);
Assert.Collection(
modelState,
kvp =>
{
Assert.Equal(nameof(PageModelWithValidation.Validated), kvp.Key);
});
}
public async Task CreateHandlerBinder_ValidatesTopLevelParameters()
{
// Arrange
var type = typeof(PageModelWithExecutors);
var actionDescriptor = GetActionDescriptorWithHandlerMethod(type, nameof(PageModelWithExecutors.OnPostWithValidation));
// Act
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var parameterBinder = new ParameterBinder(
modelMetadataProvider,
modelBinderFactory,
new DefaultObjectValidator(
modelMetadataProvider,
new[] { TestModelValidatorProvider.CreateDefaultProvider() }),
NullLoggerFactory.Instance);
var factory = PageBinderFactory.CreateHandlerBinder(
parameterBinder,
modelMetadataProvider,
modelBinderFactory,
actionDescriptor,
actionDescriptor.HandlerMethods[0]);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithExecutors();
var arguments = new Dictionary <string, object>();
// Act
await factory(page.PageContext, arguments);
// Assert
var modelState = page.PageContext.ModelState;
Assert.False(modelState.IsValid);
Assert.Collection(
page.PageContext.ModelState,
kvp =>
{
Assert.Equal("name", kvp.Key);
});
}
public async Task CreatePropertyBinder_SkipsBindingPropertiesWithBindNever()
{
// Arrange
var type = typeof(PageModelWithBindNeverProperty).GetTypeInfo();
var actionDescriptor = new CompiledPageActionDescriptor
{
BoundProperties = new[]
{
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithBindNeverProperty.BindNeverProperty),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithBindNeverProperty.BindNeverProperty)),
},
},
HandlerTypeInfo = type,
PageTypeInfo = typeof(PageWithProperty).GetTypeInfo(),
ModelTypeInfo = type,
};
var binder = new TestParameterBinder(new Dictionary <string, object>
{
{ nameof(PageModelWithBindNeverProperty.BindNeverProperty), "value" },
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithBindNeverProperty();
// Act
await factory(page.PageContext, model);
// Assert
Assert.Null(model.BindNeverProperty);
}
public async Task ModelBinderFactory_PreservesExistingValueIfModelBindingFailed()
{
// Arrange
var type = typeof(PageModelWithDefaultValue).GetTypeInfo();
var actionDescriptor = new CompiledPageActionDescriptor
{
BoundProperties = new[]
{
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithDefaultValue.PropertyWithDefaultValue),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithDefaultValue.PropertyWithDefaultValue)),
},
},
HandlerTypeInfo = type,
PageTypeInfo = typeof(PageWithProperty).GetTypeInfo(),
ModelTypeInfo = type,
};
var binder = new TestParameterBinder(new Dictionary <string, object>());
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithDefaultValue();
var defaultValue = model.PropertyWithDefaultValue;
// Act
await factory(page.PageContext, model);
// Assert
Assert.Equal(defaultValue, model.PropertyWithDefaultValue);
}
private PageActionInvokerCacheEntry CreateCacheEntry(
ActionInvokerProviderContext context,
FilterItem[] cachedFilters)
{
var compiledActionDescriptor = (CompiledPageActionDescriptor)context.ActionContext.ActionDescriptor;
var viewDataFactory = ViewDataDictionaryFactory.CreateFactory(compiledActionDescriptor.DeclaredModelTypeInfo);
var pageFactory = _pageFactoryProvider.CreatePageFactory(compiledActionDescriptor);
var pageDisposer = _pageFactoryProvider.CreatePageDisposer(compiledActionDescriptor);
var propertyBinder = PageBinderFactory.CreatePropertyBinder(
_parameterBinder,
_modelMetadataProvider,
_modelBinderFactory,
compiledActionDescriptor);
Func <PageContext, object> modelFactory = null;
Action <PageContext, object> modelReleaser = null;
if (compiledActionDescriptor.ModelTypeInfo != compiledActionDescriptor.PageTypeInfo)
{
modelFactory = _modelFactoryProvider.CreateModelFactory(compiledActionDescriptor);
modelReleaser = _modelFactoryProvider.CreateModelDisposer(compiledActionDescriptor);
}
var viewStartFactories = GetViewStartFactories(compiledActionDescriptor);
var handlerExecutors = GetHandlerExecutors(compiledActionDescriptor);
var handlerBinders = GetHandlerBinders(compiledActionDescriptor);
return(new PageActionInvokerCacheEntry(
compiledActionDescriptor,
viewDataFactory,
pageFactory,
pageDisposer,
modelFactory,
modelReleaser,
propertyBinder,
handlerExecutors,
handlerBinders,
viewStartFactories,
cachedFilters));
}
public async Task CreateHandlerBinder_BindsHandlerParameters()
{
// Arrange
var type = typeof(PageModelWithExecutors);
var actionDescriptor = GetActionDescriptorWithHandlerMethod(type, nameof(PageModelWithExecutors.OnGet));
// Act
var parameterBinder = new TestParameterBinder(new Dictionary <string, object>()
{
{ "id", "value" },
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreateHandlerBinder(
parameterBinder,
modelMetadataProvider,
modelBinderFactory,
actionDescriptor,
actionDescriptor.HandlerMethods[0]);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithExecutors();
var arguments = new Dictionary <string, object>();
// Act
await factory(page.PageContext, arguments);
// Assert
Assert.Collection(
arguments,
kvp =>
{
Assert.Equal("id", kvp.Key);
Assert.Equal("value", kvp.Value);
});
}
private PageHandlerBinderDelegate[] GetHandlerBinders(CompiledPageActionDescriptor actionDescriptor)
{
if (actionDescriptor.HandlerMethods == null || actionDescriptor.HandlerMethods.Count == 0)
{
return(Array.Empty <PageHandlerBinderDelegate>());
}
var results = new PageHandlerBinderDelegate[actionDescriptor.HandlerMethods.Count];
for (var i = 0; i < actionDescriptor.HandlerMethods.Count; i++)
{
results[i] = PageBinderFactory.CreateHandlerBinder(
_parameterBinder,
_modelMetadataProvider,
_modelBinderFactory,
actionDescriptor,
actionDescriptor.HandlerMethods[i]);
}
return(results);
}
public void GetModelBinderFactory_ReturnsNullIfPageHasNoVisibleBoundProperties()
{
// Arrange
var actionDescriptor = new CompiledPageActionDescriptor
{
PageTypeInfo = typeof(PageWithNoVisibleBoundProperties).GetTypeInfo(),
};
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var binder = new ParameterBinder(
modelMetadataProvider,
modelBinderFactory,
Mock.Of <IModelValidatorProvider>(),
NullLoggerFactory.Instance);
// Act
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
// Assert
Assert.Same(PageBinderFactory.NullPropertyBinder, factory);
}
public async Task CreateHandlerBinder_SkipBindingParametersThatDisallowBinding()
{
// Arrange
var type = typeof(PageModelWithExecutors);
var actionDescriptor = GetActionDescriptorWithHandlerMethod(type, nameof(PageModelWithExecutors.OnGetWithBindNever));
// Act
var parameterBinder = new TestParameterBinder(new Dictionary <string, object>()
{
{ "id", "value" },
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreateHandlerBinder(
parameterBinder,
modelMetadataProvider,
modelBinderFactory,
actionDescriptor,
actionDescriptor.HandlerMethods[0]);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
var model = new PageModelWithExecutors();
var arguments = new Dictionary <string, object>();
// Act
await factory(page.PageContext, arguments);
// Assert
Assert.Empty(arguments);
}
public async Task ModelBinderFactory_BindsPropertyWithoutSupportsGet_WhenRequestIsNotGet()
{
// Arrange
var type = typeof(PageModelWithSupportsGetProperty).GetTypeInfo();
var actionDescriptor = new CompiledPageActionDescriptor
{
BoundProperties = new[]
{
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithSupportsGetProperty.SupportsGet),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithSupportsGetProperty.SupportsGet)),
BindingInfo = new BindingInfo()
{
RequestPredicate = ((IRequestPredicateProvider) new BindPropertyAttribute()
{
SupportsGet = true
}).RequestPredicate,
}
},
new PageBoundPropertyDescriptor()
{
Name = nameof(PageModelWithSupportsGetProperty.Default),
ParameterType = typeof(string),
Property = type.GetProperty(nameof(PageModelWithSupportsGetProperty.Default)),
},
},
HandlerTypeInfo = type,
PageTypeInfo = typeof(PageWithProperty).GetTypeInfo(),
ModelTypeInfo = type,
};
var binder = new TestParameterBinder(new Dictionary <string, object>()
{
{ "SupportsGet", "value" },
{ "Default", "value" },
});
var modelMetadataProvider = TestModelMetadataProvider.CreateDefaultProvider();
var modelBinderFactory = TestModelBinderFactory.CreateDefault();
var factory = PageBinderFactory.CreatePropertyBinder(binder, modelMetadataProvider, modelBinderFactory, actionDescriptor);
var page = new PageWithProperty
{
PageContext = GetPageContext()
};
page.HttpContext.Request.Method = "Post";
var model = new PageModelWithSupportsGetProperty();
// Act
await factory(page.PageContext, model);
// Assert
Assert.Equal("value", model.SupportsGet);
Assert.Equal("value", model.Default);
}