public void AddValidation_DoesNotTrounceExistingAttributes()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller", "AnotherArea")
{
HttpMethod = "PUT",
};
var context = GetValidationContextWithArea(currentArea: "Test");
context.Attributes.Add("data-val", "original");
context.Attributes.Add("data-val-remote", "original");
context.Attributes.Add("data-val-remote-additionalfields", "original");
context.Attributes.Add("data-val-remote-type", "original");
context.Attributes.Add("data-val-remote-url", "original");
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal("original", kvp.Value); });
}
public void AddValidation_WithActionControllerArea_CallsUrlHelperWithExpectedValues()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller", "Test")
{
HttpMethod = "POST",
};
var url = "/Test/Controller/Action";
var urlHelper = new MockUrlHelper(url, routeName: null);
var context = GetValidationContext(urlHelper);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
var routeDictionary = Assert.IsType <RouteValueDictionary>(urlHelper.RouteValues);
Assert.Equal(3, routeDictionary.Count);
Assert.Equal("Action", routeDictionary["action"] as string);
Assert.Equal("Controller", routeDictionary["controller"] as string);
Assert.Equal("Test", routeDictionary["area"] as string);
}
public void AddValidation_WithErrorMessageAndLocalizerFactory_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var context = GetValidationContextWithLocalizerFactory(url);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
// IStringLocalizerFactory existence alone is insufficient to change error message.
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void ErrorMessageProperties_HaveExpectedDefaultValues()
{
// Arrange & Act
var attribute = new RemoteAttribute("Action", "Controller");
// Assert
Assert.Null(attribute.ErrorMessage);
Assert.Null(attribute.ErrorMessageResourceName);
Assert.Null(attribute.ErrorMessageResourceType);
}
public void FormatPropertyForClientValidation_WithInvalidPropertyName_Throws(string property)
{
// Arrange
var expected = "Value cannot be null or empty.";
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => RemoteAttribute.FormatPropertyForClientValidation(property),
"property",
expected);
}
public void AddValidation_WithBadRouteName_Throws()
{
// Arrange
var attribute = new RemoteAttribute("nonexistentRoute");
var context = GetValidationContextWithArea(currentArea: null);
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(() => attribute.AddValidation(context));
Assert.Equal("No URL for remote validation could be found.", exception.Message);
}
public void FormatPropertyForClientValidation_WithInvalidPropertyName_Throws(string property)
{
// Arrange
var expected = "Value cannot be null or empty." + Environment.NewLine + "Parameter name: property";
// Act & Assert
var exception = Assert.Throws <ArgumentException>(
"property",
() => RemoteAttribute.FormatPropertyForClientValidation(property));
Assert.Equal(expected, exception.Message);
}
public void FormatAdditionalFieldsForClientValidation_WithInvalidPropertyName_Throws(string property)
{
// Arrange
var attribute = new RemoteAttribute(routeName: "default");
var expectedMessage = "Value cannot be null or empty.";
// Act & Assert
ExceptionAssert.ThrowsArgument(
() => attribute.FormatAdditionalFieldsForClientValidation(property),
"property",
expectedMessage);
}
public void AddValidation_WithErrorMessageLocalizerFactoryLocalizerProviderAndDisplayName_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from localizer.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty(typeof(string), nameof(string.Length))
.DisplayDetails(d => d.DisplayName = () => "Display Length");
var context = GetValidationContextWithLocalizerFactory(url, metadataProvider);
var localizedString = new LocalizedString("Fred", expected);
var localizer = new Mock <IStringLocalizer>(MockBehavior.Strict);
localizer
.Setup(l => l["Error about '{0}' from override.", "Display Length"])
.Returns(localizedString)
.Verifiable();
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService <IOptions <MvcDataAnnotationsLocalizationOptions> >();
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
localizer.VerifyAll();
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void FormatErrorMessage_ReturnsDefaultErrorMessage()
{
// Arrange
// See ViewFeatures.Resources.RemoteAttribute_RemoteValidationFailed.
var expected = "'Property1' is invalid.";
var attribute = new RemoteAttribute("Action", "Controller");
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void FormatErrorMessage_UsesOverriddenErrorMessage()
{
// Arrange
var expected = "Error about 'Property1' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
ErrorMessage = "Error about '{0}' from override.",
};
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void FormatErrorMessage_UsesErrorMessageFromResource()
{
// Arrange
var expected = "Error about 'Property1' from resources.";
var attribute = new RemoteAttribute("Action", "Controller")
{
ErrorMessageResourceName = nameof(Resources.RemoteAttribute_Error),
ErrorMessageResourceType = typeof(Resources),
};
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void AddValidation_WithActionControllerAreaInArea_FindsControllerInDifferentArea()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller", "AnotherArea");
var context = GetValidationContextWithArea(currentArea: "Test");
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("*.Length", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote-url", kvp.Key);
Assert.Equal("/AnotherArea/Controller/Action", kvp.Value);
});
}
public void AddValidation_WithActionControllerArea_FindsControllerInNamedArea()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller", "Test");
var context = GetValidationContextWithArea(currentArea: null);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("*.Length", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote-url", kvp.Key);
Assert.Equal("/UrlEncode[[Test]]/UrlEncode[[Controller]]/UrlEncode[[Action]]", kvp.Value);
});
}
public void AddValidation_WithErrorResourcesLocalizerFactoryAndLocalizerProvider_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from resources.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessageResourceName = nameof(Resources.RemoteAttribute_Error),
ErrorMessageResourceType = typeof(Resources),
};
var url = "/Controller/Action";
var context = GetValidationContextWithLocalizerFactory(url);
var localizer = new Mock <IStringLocalizer>(MockBehavior.Strict);
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService <IOptions <MvcDataAnnotationsLocalizationOptions> >();
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
// Configuring the attribute using ErrorMessageResource* trumps available IStringLocalizer etc.
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithErrorMessageAndLocalizerProvider_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var context = GetValidationContext(url);
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService <IOptions <MvcDataAnnotationsLocalizationOptions> >();
var localizer = new Mock <IStringLocalizer>(MockBehavior.Strict);
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
// Non-null DataAnnotationLocalizerProvider alone is insufficient to change error message.
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithErrorMessageAndDisplayName_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Display Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty(typeof(string), nameof(string.Length))
.DisplayDetails(d => d.DisplayName = () => "Display Length");
var context = GetValidationContext(url, metadataProvider);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithRoute_CallsUrlHelperWithExpectedValues()
{
// Arrange
var routeName = "RouteName";
var attribute = new RemoteAttribute(routeName);
var url = "/my/URL";
var urlHelper = new MockUrlHelper(url, routeName);
var context = GetValidationContext(urlHelper);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("*.Length", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
var routeDictionary = Assert.IsType <RouteValueDictionary>(urlHelper.RouteValues);
Assert.Empty(routeDictionary);
}
public void AddValidation_WithActionController_PropertiesSet_CallsUrlHelperWithExpectedValues()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
AdditionalFields = "Password,ConfirmPassword",
};
var url = "/Controller/Action";
var urlHelper = new MockUrlHelper(url, routeName: null);
var context = GetValidationContext(urlHelper);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length,*.Password,*.ConfirmPassword", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
var routeDictionary = Assert.IsType<RouteValueDictionary>(urlHelper.RouteValues);
Assert.Equal(2, routeDictionary.Count);
Assert.Equal("Action", routeDictionary["action"] as string);
Assert.Equal("Controller", routeDictionary["controller"] as string);
}
public void AddValidation_WithBadRouteName_Throws()
{
// Arrange
var attribute = new RemoteAttribute("nonexistentRoute");
var context = GetValidationContextWithArea(currentArea: null);
// Act & Assert
var exception = Assert.Throws<InvalidOperationException>(() => attribute.AddValidation(context));
Assert.Equal("No URL for remote validation could be found.", exception.Message);
}
public void AddValidation_WithErrorMessageAndDisplayName_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Display Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty(typeof(string), nameof(string.Length))
.DisplayDetails(d => d.DisplayName = () => "Display Length");
var context = GetValidationContext(url, metadataProvider);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_DoesNotTrounceExistingAttributes()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller", "AnotherArea")
{
HttpMethod = "PUT",
};
var context = GetValidationContextWithArea(currentArea: "Test");
context.Attributes.Add("data-val", "original");
context.Attributes.Add("data-val-remote", "original");
context.Attributes.Add("data-val-remote-additionalfields", "original");
context.Attributes.Add("data-val-remote-type", "original");
context.Attributes.Add("data-val-remote-url", "original");
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("original", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal("original", kvp.Value); });
}
public void AddValidation_WithActionController_FindsControllerInCurrentArea()
{
// Arrange
var attribute = new RemoteAttribute("Action", "Controller");
var context = GetValidationContextWithArea(currentArea: null);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("*.Length", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote-url", kvp.Key);
Assert.Equal("/UrlEncode[[Controller]]/UrlEncode[[Action]]", kvp.Value);
});
}
public void AddValidation_WithErrorMessage_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var context = GetValidationContext(url);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithErrorResourcesLocalizerFactoryAndLocalizerProvider_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from resources.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessageResourceName = nameof(Resources.RemoteAttribute_Error),
ErrorMessageResourceType = typeof(Resources),
};
var url = "/Controller/Action";
var context = GetValidationContextWithLocalizerFactory(url);
var localizer = new Mock<IStringLocalizer>(MockBehavior.Strict);
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService<IOptions<MvcDataAnnotationsLocalizationOptions>>();
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
// Configuring the attribute using ErrorMessageResource* trumps available IStringLocalizer etc.
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithRoute_CallsUrlHelperWithExpectedValues()
{
// Arrange
var routeName = "RouteName";
var attribute = new RemoteAttribute(routeName);
var url = "/my/URL";
var urlHelper = new MockUrlHelper(url, routeName);
var context = GetValidationContext(urlHelper);
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp => { Assert.Equal("data-val-remote", kvp.Key); Assert.Equal("'Length' is invalid.", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-additionalfields", kvp.Key); Assert.Equal("*.Length", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
var routeDictionary = Assert.IsType<RouteValueDictionary>(urlHelper.RouteValues);
Assert.Empty(routeDictionary);
}
public void FormatErrorMessage_UsesOverriddenErrorMessage()
{
// Arrange
var expected = "Error about 'Property1' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
ErrorMessage = "Error about '{0}' from override.",
};
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void ErrorMessageProperties_HaveExpectedDefaultValues()
{
// Arrange & Act
var attribute = new RemoteAttribute("Action", "Controller");
// Assert
Assert.Null(attribute.ErrorMessage);
Assert.Null(attribute.ErrorMessageResourceName);
Assert.Null(attribute.ErrorMessageResourceType);
}
public void FormatErrorMessage_ReturnsDefaultErrorMessage()
{
// Arrange
// See ViewFeatures.Resources.RemoteAttribute_RemoteValidationFailed.
var expected = "'Property1' is invalid.";
var attribute = new RemoteAttribute("Action", "Controller");
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void AddValidation_WithErrorMessageLocalizerFactoryLocalizerProviderAndDisplayName_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from localizer.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var metadataProvider = new TestModelMetadataProvider();
metadataProvider
.ForProperty(typeof(string), nameof(string.Length))
.DisplayDetails(d => d.DisplayName = () => "Display Length");
var context = GetValidationContextWithLocalizerFactory(url, metadataProvider);
var localizedString = new LocalizedString("Fred", expected);
var localizer = new Mock<IStringLocalizer>(MockBehavior.Strict);
localizer
.Setup(l => l["Error about '{0}' from override.", "Display Length"])
.Returns(localizedString)
.Verifiable();
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService<IOptions<MvcDataAnnotationsLocalizationOptions>>();
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
localizer.VerifyAll();
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void AddValidation_WithErrorMessageAndLocalizerProvider_SetsAttributesAsExpected()
{
// Arrange
var expected = "Error about 'Length' from override.";
var attribute = new RemoteAttribute("Action", "Controller")
{
HttpMethod = "POST",
ErrorMessage = "Error about '{0}' from override.",
};
var url = "/Controller/Action";
var context = GetValidationContext(url);
var options = context.ActionContext.HttpContext.RequestServices
.GetRequiredService<IOptions<MvcDataAnnotationsLocalizationOptions>>();
var localizer = new Mock<IStringLocalizer>(MockBehavior.Strict);
options.Value.DataAnnotationLocalizerProvider = (type, factory) => localizer.Object;
// Act
attribute.AddValidation(context);
// Assert
Assert.Collection(
context.Attributes,
kvp => { Assert.Equal("data-val", kvp.Key); Assert.Equal("true", kvp.Value); },
kvp =>
{
// Non-null DataAnnotationLocalizerProvider alone is insufficient to change error message.
Assert.Equal("data-val-remote", kvp.Key);
Assert.Equal(expected, kvp.Value);
},
kvp =>
{
Assert.Equal("data-val-remote-additionalfields", kvp.Key);
Assert.Equal("*.Length", kvp.Value);
},
kvp => { Assert.Equal("data-val-remote-type", kvp.Key); Assert.Equal("POST", kvp.Value); },
kvp => { Assert.Equal("data-val-remote-url", kvp.Key); Assert.Equal(url, kvp.Value); });
}
public void FormatErrorMessage_UsesErrorMessageFromResource()
{
// Arrange
var expected = "Error about 'Property1' from resources.";
var attribute = new RemoteAttribute("Action", "Controller")
{
ErrorMessageResourceName = nameof(Resources.RemoteAttribute_Error),
ErrorMessageResourceType = typeof(Resources),
};
// Act
var message = attribute.FormatErrorMessage("Property1");
// Assert
Assert.Equal(expected, message);
}
public void FormatAdditionalFieldsForClientValidation_WithInvalidPropertyName_Throws(string property)
{
// Arrange
var attribute = new RemoteAttribute(routeName: "default");
var expected = "Value cannot be null or empty." + Environment.NewLine + "Parameter name: property";
// Act & Assert
var exception = Assert.Throws<ArgumentException>(
"property",
() => attribute.FormatAdditionalFieldsForClientValidation(property));
Assert.Equal(expected, exception.Message);
}
