97 lines
3.8 KiB
C#
97 lines
3.8 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Diagnostics;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Mvc.ModelBinding.Test;
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using Xunit;
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namespace Microsoft.AspNetCore.Mvc.ModelBinding
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{
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public class DefaultModelBindingContextTest
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{
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[Fact]
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public void EnterNestedScope_CopiesProperties()
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{
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// Arrange
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var bindingContext = new DefaultModelBindingContext
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{
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Model = new object(),
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ModelMetadata = new TestModelMetadataProvider().GetMetadataForType(typeof(object)),
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ModelName = "theName",
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OperationBindingContext = new OperationBindingContext(),
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ValueProvider = new SimpleValueProvider(),
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ModelState = new ModelStateDictionary(),
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};
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var metadataProvider = new TestModelMetadataProvider();
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metadataProvider.ForType<object>().BindingDetails(d =>
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{
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d.BindingSource = BindingSource.Custom;
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d.BinderType = typeof(TestModelBinder);
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d.BinderModelName = "custom";
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});
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var newModelMetadata = metadataProvider.GetMetadataForType(typeof(object));
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// Act
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var originalBinderModelName = bindingContext.BinderModelName;
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var originalBinderType = bindingContext.BinderType;
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var originalBindingSource = bindingContext.BindingSource;
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var originalModelState = bindingContext.ModelState;
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var originalOperationBindingContext = bindingContext.OperationBindingContext;
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var originalValueProvider = bindingContext.ValueProvider;
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var disposable = bindingContext.EnterNestedScope(
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modelMetadata: newModelMetadata,
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fieldName: "fieldName",
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modelName: "modelprefix.fieldName",
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model: null);
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// Assert
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Assert.Same(newModelMetadata.BinderModelName, bindingContext.BinderModelName);
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Assert.Same(newModelMetadata.BinderType, bindingContext.BinderType);
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Assert.Same(newModelMetadata.BindingSource, bindingContext.BindingSource);
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Assert.False(bindingContext.FallbackToEmptyPrefix);
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Assert.Equal("fieldName", bindingContext.FieldName);
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Assert.False(bindingContext.IsTopLevelObject);
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Assert.Null(bindingContext.Model);
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Assert.Same(newModelMetadata, bindingContext.ModelMetadata);
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Assert.Equal("modelprefix.fieldName", bindingContext.ModelName);
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Assert.Same(originalModelState, bindingContext.ModelState);
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Assert.Same(originalOperationBindingContext, bindingContext.OperationBindingContext);
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Assert.Same(originalValueProvider, bindingContext.ValueProvider);
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disposable.Dispose();
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}
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[Fact]
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public void ModelTypeAreFedFromModelMetadata()
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{
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// Act
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var bindingContext = new DefaultModelBindingContext
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{
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ModelMetadata = new EmptyModelMetadataProvider().GetMetadataForType(typeof(int))
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};
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// Assert
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Assert.Equal(typeof(int), bindingContext.ModelType);
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}
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private class TestModelBinder : IModelBinder
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{
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public Task BindModelAsync(ModelBindingContext bindingContext)
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{
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if (bindingContext == null)
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{
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throw new ArgumentNullException(nameof(bindingContext));
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}
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Debug.Assert(bindingContext.Result == null);
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throw new NotImplementedException();
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}
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}
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}
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}
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