public void CanClearAllModifications()
{
// Arrange
var editContext = new EditContext(new object());
var field1 = editContext.Field("field1");
var field2 = editContext.Field("field2");
editContext.NotifyFieldChanged(field1);
editContext.NotifyFieldChanged(field2);
// Act
editContext.MarkAsUnmodified();
// Assert
Assert.False(editContext.IsModified());
Assert.False(editContext.IsModified(field1));
Assert.False(editContext.IsModified(field2));
}
public void TracksFieldsAsModifiedWhenValueChanged()
{
// Arrange
var editContext = new EditContext(new object());
var fieldOnThisModel1 = editContext.Field("field1");
var fieldOnThisModel2 = editContext.Field("field2");
var fieldOnOtherModel = new FieldIdentifier(new object(), "field on other model");
// Act
editContext.NotifyFieldChanged(fieldOnThisModel1);
editContext.NotifyFieldChanged(fieldOnOtherModel);
// Assert
Assert.True(editContext.IsModified());
Assert.True(editContext.IsModified(fieldOnThisModel1));
Assert.False(editContext.IsModified(fieldOnThisModel2));
Assert.True(editContext.IsModified(fieldOnOtherModel));
}
public void CanClearIndividualModifications()
{
// Arrange
var editContext = new EditContext(new object());
var fieldThatWasModified = editContext.Field("field1");
var fieldThatRemainsModified = editContext.Field("field2");
var fieldThatWasNeverModified = editContext.Field("field that was never modified");
editContext.NotifyFieldChanged(fieldThatWasModified);
editContext.NotifyFieldChanged(fieldThatRemainsModified);
// Act
editContext.MarkAsUnmodified(fieldThatWasModified);
editContext.MarkAsUnmodified(fieldThatWasNeverModified);
// Assert
Assert.True(editContext.IsModified());
Assert.False(editContext.IsModified(fieldThatWasModified));
Assert.True(editContext.IsModified(fieldThatRemainsModified));
Assert.False(editContext.IsModified(fieldThatWasNeverModified));
}
public void LookingUpModel_ThatOverridesGetHashCodeAndEquals_Works()
{
// Test for https://github.com/aspnet/AspNetCore/issues/18069
// Arrange
var model = new EquatableModel();
var editContext = new EditContext(model);
editContext.NotifyFieldChanged(editContext.Field(nameof(EquatableModel.Property)));
model.Property = "new value";
Assert.True(editContext.IsModified(editContext.Field(nameof(EquatableModel.Property))));
}
public void IsInitiallyUnmodified()
{
var editContext = new EditContext(new object());
Assert.False(editContext.IsModified());
}
/// <summary> /// Determines whether the specified fields in this <see cref="EditContext"/> has been modified. /// </summary> /// <param name="editContext">The <see cref="EditContext"/>.</param> /// <param name="accessor">Identifies the field whose current validation messages should be returned.</param> /// <returns>True if the field has been modified; otherwise false.</returns> public static bool IsModified(this EditContext editContext, Expression <Func <object> > accessor) => editContext.IsModified(FieldIdentifier.Create(accessor));
