public async Task BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
var message = "The parameter conversion from type 'System.String' to type 'System.Int32' failed." +
" See the inner exception for more information.";
var bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["theModelName"].Errors);
Assert.Equal(message, error.ErrorMessage);
}
public async Task BindModel_ReturnsNotNull_IfTypeCanBeConverted(Type destinationType)
{
if (TestPlatformHelper.IsMono &&
destinationType == typeof(DateTimeOffset))
{
// DateTimeOffset doesn't have a TypeConverter in Mono
return;
}
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "some-value" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
}
public async Task BindModel_NullValueProviderResult_ReturnsNull()
{
// Arrange
var bindingContext = GetBindingContext(typeof(int));
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(retVal);
Assert.Empty(bindingContext.ModelState);
}
public async Task BindModel_NullValueProviderResult_ReturnsFalse()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(retVal, "BindModel should have returned null.");
Assert.Empty(bindingContext.ModelState);
}
public async Task BindModelAsync_ValidDate_Bound()
{
var context = GetBindingContext(typeof(Date?));
context.ValueProvider = new SimpleValueProvider {
{ TheModelName, "2017-06-11" }
};
var binder = new TypeConverterModelBinder();
await binder.BindModelAsync(context);
Assert.AreEqual(ModelValidationState.Unvalidated, context.ModelState.ValidationState);
Assert.AreEqual(new Date(2017, 06, 11), context.Result.Model);
}
public async Task BindModelAsync_StringEmptyToNullable_Bound()
{
var context = GetBindingContext(typeof(Date?));
context.ValueProvider = new SimpleValueProvider {
{ TheModelName, "" }
};
var binder = new TypeConverterModelBinder();
await binder.BindModelAsync(context);
Assert.AreEqual(ModelValidationState.Unvalidated, context.ModelState.ValidationState);
Assert.IsNull(context.Result.Model);
}
public async Task BindModel_ReturnsNull_IfTypeCannotBeConverted(Type destinationType)
{
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "some-value" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(retVal);
}
public async Task BindModel_ReturnsNull_IfTypeCannotBeConverted(Type destinationType)
{
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "some-value" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(retVal);
}
public async Task BindModel_ValidValueProviderResult_ConvertEmptyStringsToNull()
{
// Arrange
var bindingContext = GetBindingContext(typeof(string));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", string.Empty }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
Assert.Null(retVal.Model);
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}
public async Task BindModel_ValidValueProviderResult_ReturnsModel()
{
// Arrange
var bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "42" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
Assert.Equal(42, retVal.Model);
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}
public async Task BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.Equal(false, bindingContext.ModelState.IsValid);
Assert.Equal("Input string was not in a correct format.", bindingContext.ModelState["theModelName"].Errors[0].ErrorMessage);
}
public async Task BindModelAsync_InvalidDate_ErrorMessage()
{
using (new CultureInfoScope("nl-NL"))
{
var context = GetBindingContext(typeof(Date));
context.ValueProvider = new SimpleValueProvider {
{ TheModelName, "Rubbish" }
};
var binder = new TypeConverterModelBinder();
await binder.BindModelAsync(context);
Assert.AreEqual(ModelValidationState.Invalid, context.ModelState.ValidationState);
var error = context.ModelState[TheModelName].Errors.FirstOrDefault();
Assert.AreEqual("Geen geldige datum", error.ErrorMessage);
Assert.IsNull(error.Exception);
}
}
public async Task BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.Equal(false, bindingContext.ModelState.IsValid);
Assert.Equal("Input string was not in a correct format.", bindingContext.ModelState["theModelName"].Errors[0].ErrorMessage);
}
public async Task BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
var message = "The value 'not an integer' is not valid for theModelName.";
var bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
Assert.Null(retVal.Model);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["theModelName"].Errors);
Assert.Equal(message, error.ErrorMessage);
}
public async Task BindModel_CreatesError_WhenTypeConversionIsNull(Type destinationType)
{
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", string.Empty }
};
var binder = new TypeConverterModelBinder();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(result.IsModelSet);
Assert.NotNull(result.ValidationNode);
var error = Assert.Single(bindingContext.ModelState["theModelName"].Errors);
Assert.Equal(error.ErrorMessage, "The value '' is invalid.", StringComparer.Ordinal);
Assert.Null(error.Exception);
}
public async Task BindModel_ReturnsNotNull_IfTypeCanBeConverted(Type destinationType)
{
if (TestPlatformHelper.IsMono &&
destinationType == typeof(DateTimeOffset))
{
// DateTimeOffset doesn't have a TypeConverter in Mono
return;
}
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "some-value" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
}
public async Task BindModel_Error_FormatExceptionsTurnedIntoStringsInModelState()
{
// Arrange
var message = "The value 'not an integer' is not valid for theModelName.";
var bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "not an integer" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
Assert.Null(retVal.Model);
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["theModelName"].Errors);
Assert.Equal(message, error.ErrorMessage);
}
public async Task BindModel_CreatesError_WhenTypeConversionIsNull(Type destinationType)
{
// Arrange
var bindingContext = GetBindingContext(destinationType);
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", string.Empty }
};
var binder = new TypeConverterModelBinder();
// Act
var result = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(result.IsModelSet);
Assert.NotNull(result.ValidationNode);
var error = Assert.Single(bindingContext.ModelState["theModelName"].Errors);
Assert.Equal(error.ErrorMessage, "The value '' is invalid.", StringComparer.Ordinal);
Assert.Null(error.Exception);
}
public async Task BindModel_NullValueProviderResult_ReturnsFalse()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(int));
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.False(retVal, "BindModel should have returned null.");
Assert.Empty(bindingContext.ModelState);
}
public async Task BindModel_ValidValueProviderResult_ConvertEmptyStringsToNull()
{
// Arrange
ModelBindingContext bindingContext = GetBindingContext(typeof(string));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "" }
};
TypeConverterModelBinder binder = new TypeConverterModelBinder();
// Act
bool retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.True(retVal);
Assert.Null(bindingContext.Model);
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}
public async Task BindModel_ValidValueProviderResult_ReturnsModel()
{
// Arrange
var bindingContext = GetBindingContext(typeof(int));
bindingContext.ValueProvider = new SimpleHttpValueProvider
{
{ "theModelName", "42" }
};
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.NotNull(retVal);
Assert.Equal(42, retVal.Model);;
Assert.True(bindingContext.ModelState.ContainsKey("theModelName"));
}
public async Task BindModel_NullValueProviderResult_ReturnsNull()
{
// Arrange
var bindingContext = GetBindingContext(typeof(int));
var binder = new TypeConverterModelBinder();
// Act
var retVal = await binder.BindModelAsync(bindingContext);
// Assert
Assert.Null(retVal);
Assert.Empty(bindingContext.ModelState);
}
