119 lines
4.8 KiB
C#
119 lines
4.8 KiB
C#
// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Web.Http.Metadata;
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using System.Web.Http.Metadata.Providers;
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using Moq;
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using Moq.Protected;
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using Xunit;
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using Assert = Microsoft.TestCommon.AssertEx;
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namespace System.Web.Http.Validation.Validators
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{
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public class DataAnnotationsModelValidatorTest
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{
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private static DataAnnotationsModelMetadataProvider _metadataProvider = new DataAnnotationsModelMetadataProvider();
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private static IEnumerable<ModelValidatorProvider> _noValidatorProviders = Enumerable.Empty<ModelValidatorProvider>();
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[Fact]
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public void ConstructorGuards()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForType(null, typeof(object));
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var attribute = new RequiredAttribute();
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// Act & Assert
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Assert.ThrowsArgumentNull(
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() => new DataAnnotationsModelValidator(null, attribute),
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"validatorProviders");
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Assert.ThrowsArgumentNull(
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() => new DataAnnotationsModelValidator(_noValidatorProviders, null),
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"attribute");
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}
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[Fact]
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public void ValuesSet()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => 15, typeof(string), "Length");
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var attribute = new RequiredAttribute();
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// Act
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var validator = new DataAnnotationsModelValidator(_noValidatorProviders, attribute);
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// Assert
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Assert.Same(attribute, validator.Attribute);
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}
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[Fact]
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public void ValidateWithIsValidTrue()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => 15, typeof(string), "Length");
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Mock<ValidationAttribute> attribute = new Mock<ValidationAttribute> { CallBase = true };
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attribute.Setup(a => a.IsValid(metadata.Model)).Returns(true);
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DataAnnotationsModelValidator validator = new DataAnnotationsModelValidator(_noValidatorProviders, attribute.Object);
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// Act
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IEnumerable<ModelValidationResult> result = validator.Validate(metadata, null);
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// Assert
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Assert.Empty(result);
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}
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[Fact]
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public void ValidateWithIsValidFalse()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => 15, typeof(string), "Length");
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Mock<ValidationAttribute> attribute = new Mock<ValidationAttribute> { CallBase = true };
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attribute.Setup(a => a.IsValid(metadata.Model)).Returns(false);
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DataAnnotationsModelValidator validator = new DataAnnotationsModelValidator(_noValidatorProviders, attribute.Object);
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// Act
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IEnumerable<ModelValidationResult> result = validator.Validate(metadata, null);
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// Assert
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var validationResult = result.Single();
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Assert.Equal("", validationResult.MemberName);
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Assert.Equal(attribute.Object.FormatErrorMessage("Length"), validationResult.Message);
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}
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[Fact]
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public void ValidatateWithValidationResultSuccess()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => 15, typeof(string), "Length");
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Mock<ValidationAttribute> attribute = new Mock<ValidationAttribute> { CallBase = true };
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attribute.Protected()
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.Setup<ValidationResult>("IsValid", ItExpr.IsAny<object>(), ItExpr.IsAny<ValidationContext>())
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.Returns(ValidationResult.Success);
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DataAnnotationsModelValidator validator = new DataAnnotationsModelValidator(_noValidatorProviders, attribute.Object);
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// Act
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IEnumerable<ModelValidationResult> result = validator.Validate(metadata, null);
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// Assert
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Assert.Empty(result);
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}
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[Fact]
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public void IsRequiredTests()
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{
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// Arrange
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ModelMetadata metadata = _metadataProvider.GetMetadataForProperty(() => 15, typeof(string), "Length");
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// Act & Assert
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Assert.False(new DataAnnotationsModelValidator(_noValidatorProviders, new RangeAttribute(10, 20)).IsRequired);
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Assert.True(new DataAnnotationsModelValidator(_noValidatorProviders, new RequiredAttribute()).IsRequired);
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Assert.True(new DataAnnotationsModelValidator(_noValidatorProviders, new DerivedRequiredAttribute()).IsRequired);
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}
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class DerivedRequiredAttribute : RequiredAttribute
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{
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}
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}
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}
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