public void BuildsNewInstanceFromExisting()
{
var obj = new ClassWithProperties();
var result = obj.NewInstance();
Assert.Equal(obj.GetType(), result.GetType());
}
public void SetValue_ProperInstanceTypeAndValueType_PropertyIsUpdated()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("IntegerProperty"));
// Call
propertySpec.SetValue(target, 2);
// Assert
Assert.AreEqual(2, target.IntegerProperty);
}
public void ShouldSerializeValue_ReturnFalse()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithOnlyGetter"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Call
bool shouldSerializeValue = propertyDescriptor.ShouldSerializeValue(instance);
// Assert
Assert.IsFalse(shouldSerializeValue);
}
public void CanResetValue_ReturnFalse()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithOnlyGetter"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Call
bool canReset = propertyDescriptor.CanResetValue(instance);
// Assert
Assert.IsFalse(canReset);
}
public void GetValue_ObjectValueProperty_ReturnPropertyValue()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("ComplexSubProperty"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Call
object value = propertyDescriptor.GetValue(instance);
// Assert
Assert.AreSame(instance.ComplexSubProperty, value);
}
public void SetValue_InstanceIsNull_ThrowTargetException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("IntegerProperty"));
// Call
TestDelegate call = () => propertySpec.SetValue(null, 2);
// Assert
Assert.Throws <TargetException>(call);
}
public void IsNonCustomExpandableObjectProperty_PropertyWithSomeTypeConverter_ReturnFalse()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("StringPropertyWithSomeTypeConverter"));
// Call
bool hasExpandableObjectTypeConverter = propertySpec.IsNonCustomExpandableObjectProperty();
// Assert
Assert.False(hasExpandableObjectTypeConverter);
}
public void IsReadOnly_PropertyHasNoAttributeAndOnlyGetter_ReturnTrue()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithOnlyGetter"));
var descriptor = new PropertySpecDescriptor(spec, instance);
// Call
bool isReadOnly = descriptor.IsReadOnly;
// Assert
Assert.IsTrue(isReadOnly);
}
public void IsReadOnly_PropertyHasReadOnlyFalseAttribute_ReturnFalse()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithReadOnlyFalseAttribute"));
var descriptor = new PropertySpecDescriptor(spec, instance);
// Call
bool isReadOnly = descriptor.IsReadOnly;
// Assert
Assert.IsFalse(isReadOnly);
}
public void GetValue_SimpleValueProperty_ReturnPropertyValue()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithOnlyGetter"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Call
object value = propertyDescriptor.GetValue(instance);
// Assert
Assert.AreEqual(instance.PropertyWithOnlyGetter, value);
}
public void IsBrowsable_PropertyHasBrowsableFalseAttribute_ReturnFalse()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithBrowsableFalseAttribute"));
var descriptor = new PropertySpecDescriptor(spec, instance);
// Call
bool isBrowsable = descriptor.IsBrowsable;
// Assert
Assert.IsFalse(isBrowsable);
}
public void IsNonCustomExpandableObjectProperty_PropertyWithCustomExpandableObjectTypeConverter_ReturnFalse()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("StringPropertyWithCustomExpandableObjectConverter"));
// Call
bool hasExpandableObjectTypeConverter = propertySpec.IsNonCustomExpandableObjectProperty();
// Assert
Assert.False(hasExpandableObjectTypeConverter,
"As we cannot copy the same behavior of a ExpandableObjectConverter with customizations, we should not recognize it as such.");
}
public void SetValue_PropertyWithoutPublicSet_ThrowInvalidOperationException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("DoublePropertyWithOnlyGetter"));
// Call
TestDelegate call = () => propertySpec.SetValue(target, 2);
// Assert
var exception = Assert.Throws <InvalidOperationException>(call);
Assert.AreEqual("Property lacks public setter!", exception.Message);
}
public void GetValue_InstanceIsNull_ThrowArgumentException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("IntegerProperty"));
// Call
TestDelegate call = () => propertySpec.GetValue(null);
// Assert
var exception = Assert.Throws <ArgumentException>(call);
Assert.IsInstanceOf <TargetException>(exception.InnerException);
}
public void GetValue_PropertyHasNoPublicGetter_ThrowInvalidOperationException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("DoublePropertyWithOnlyPublicSet"));
// Call
TestDelegate call = () => propertySpec.GetValue(target);
// Assert
string message = Assert.Throws <InvalidOperationException>(call).Message;
Assert.AreEqual("Property lacks public getter!", message);
}
public void SetValue_SettingValueOfIncorrectType_ThrowArgumentException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("IntegerProperty"));
// Call
TestDelegate call = () => propertySpec.SetValue(target, new object());
// Assert
var exception = Assert.Throws <ArgumentException>(call);
Assert.IsNull(exception.InnerException);
}
public void SetValue_SettingValueResultsInException_ThrowTargetInvocationException()
{
// Setup
var target = new ClassWithProperties();
var propertySpec = new PropertySpec(target.GetType().GetProperty("ThrowsException"));
// Call
TestDelegate call = () => propertySpec.SetValue(target, "");
// Assert
Exception innerException = Assert.Throws <TargetInvocationException>(call).InnerException;
Assert.IsInstanceOf <ArgumentException>(innerException);
}
public void IsBrowsable_PropertyHasDynamicBrowsableProperty_ReturnExpectedValue(bool isPropertyVisible)
{
// Setup
var instance = new ClassWithProperties
{
IsPropertyBrowsable = isPropertyVisible
};
var propertySpec = new PropertySpec(instance.GetType().GetProperty("IntegerPropertyWithDynamicVisibility"));
var descriptor = new PropertySpecDescriptor(propertySpec, instance);
// Call
bool isBrowsable = descriptor.IsBrowsable;
// Assert
Assert.AreEqual(isPropertyVisible, isBrowsable);
}
public void GetValue_ProperInstanceType_ReturnPropertyValue()
{
// Setup
var target = new ClassWithProperties
{
IntegerProperty = 5
};
var propertySpec = new PropertySpec(target.GetType().GetProperty("IntegerProperty"));
// Call
object value = propertySpec.GetValue(target);
// Assert
Assert.AreEqual(target.IntegerProperty, value);
}
public void IsReadOnly_PropertyHasDynamicReadOnlyProperty_ReturnExpectedValue(bool isPropertyReadOnly)
{
// Setup
var instance = new ClassWithProperties
{
IsPropertyReadOnly = isPropertyReadOnly
};
var propertySpec = new PropertySpec(instance.GetType().GetProperty("IntegerPropertyWithDynamicReadOnly"));
var descriptor = new PropertySpecDescriptor(propertySpec, instance);
// Call
bool isReadOnly = descriptor.IsReadOnly;
// Assert
Assert.AreEqual(isPropertyReadOnly, isReadOnly);
}
public void ParameteredConstructor_IsPropertyReadOnlyProperty_ExpectedValues()
{
// Setup
var instance = new ClassWithProperties();
PropertyInfo propertyInfo = instance.GetType().GetProperty("IsPropertyReadOnly");
var spec = new PropertySpec(propertyInfo);
// Call
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Assert
Assert.AreEqual(spec.GetType(), propertyDescriptor.ComponentType);
Assert.IsFalse(propertyDescriptor.IsReadOnly);
Assert.IsTrue(propertyDescriptor.IsBrowsable);
Assert.AreEqual(propertyInfo.PropertyType, propertyDescriptor.PropertyType);
}
public void GetValue_ObjectValuePropertyWithExpandableObjectConverterAttribute_ReturnPropertyValueWrappedInDynamicPropertyBag()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("ComplexSubPropertyWithExandableObjectConverter"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Call
object value = propertyDescriptor.GetValue(instance);
// Assert
var dynamicPropertyBag = (DynamicPropertyBag)value;
Assert.IsNotNull(dynamicPropertyBag);
Assert.AreSame(instance.ComplexSubPropertyWithExandableObjectConverter, dynamicPropertyBag.WrappedObject);
}
public void ResetValue_CanNotReset_ThrowsInvalidOperationException()
{
// Setup
var instance = new ClassWithProperties();
var spec = new PropertySpec(instance.GetType().GetProperty("PropertyWithOnlyGetter"));
var propertyDescriptor = new PropertySpecDescriptor(spec, instance);
// Precondition
Assert.IsFalse(propertyDescriptor.CanResetValue(instance));
// Call
TestDelegate call = () => propertyDescriptor.ResetValue(instance);
// Assert
Assert.Throws <InvalidOperationException>(call);
}