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Avoid auto-generating ObservableValidator.HasError #884

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Merged
Sergio0694 merged 1 commit into from
Aug 9, 2024
Merged

Avoid auto-generating ObservableValidator.HasError #884

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fix #881
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@alvaro-rivoir @Sergio0694
alvaro-rivoir authored and Sergio0694 committed Aug 9, 2024
commit a2daea9d1a085452c79f7e9628911b04603d606d
1 change: 1 addition & 0 deletions src/CommunityToolkit.Mvvm/ComponentModel/ObservableValidator.cs
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Expand Up @@ -123,6 +123,7 @@ protected ObservableValidator(ValidationContext validationContext)
}

/// <inheritdoc/>
[Display(AutoGenerateField = false)]
public bool HasErrors => this.totalErrors > 0;

/// <summary>
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15 changes: 14 additions & 1 deletion tests/CommunityToolkit.Mvvm.UnitTests/Test_ObservableValidator.cs
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Expand Up @@ -607,7 +607,20 @@ public void Test_ObservableValidator_ValidateAllProperties_IncludeInheritedPrope
Assert.IsFalse(model.HasErrors);
Assert.IsTrue(events.Count == 1);

Assert.IsTrue(events.Any(e => e.PropertyName == nameof(DerivedModelWithValidatableProperties.Name))); }
Assert.IsTrue(events.Any(e => e.PropertyName == nameof(DerivedModelWithValidatableProperties.Name)));
}

// See https://github.com/CommunityToolkit/dotnet/issues/881
[TestMethod]
public void Test_ObservableValidator_HasErrors_IncludeNonAutogenerateAttribute()
{
DerivedModelWithValidatableProperties model = new();

DisplayAttribute? displayAttribute = model.GetType().GetProperty(nameof(ObservableValidator.HasErrors))?.GetCustomAttribute<DisplayAttribute>();

Assert.IsNotNull(displayAttribute);
Assert.IsFalse(displayAttribute.AutoGenerateField);
}

public class Person : ObservableValidator
{
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