public void Single_Property_Should_Return_Correct_Chain()
{
var source = new
{
Foo = 1,
Bar = 2,
};
var expected = new[]
{
new PropertyPathToken
{
Type = PropertyPathTokenType.Valid,
Object = source,
PropertyName = "Bar",
},
new PropertyPathToken
{
Type = PropertyPathTokenType.FinalValue,
Object = 2,
PropertyName = null,
},
};
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(source, "Bar").ToArray();
CollectionAssert.AreEqual(expected, result);
}
public void No_Property_Should_Return_Source_As_FinalValue()
{
var source = new
{
Foo = 1,
Bar = 2,
};
var expected = new[]
{
new PropertyPathToken
{
Type = PropertyPathTokenType.FinalValue,
Object = source,
}
};
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(source, "").ToArray();
CollectionAssert.AreEqual(expected, result);
}
public BindingExpression SetBinding(DependencyProperty dp, Binding binding)
{
PropertyPathParser pathParser = new PropertyPathParser();
BindingExpression expression = new BindingExpression(pathParser, this, dp, binding);
object oldValue = this.GetValue(dp);
object newValue = expression.GetValue();
this.propertyBindings.Add(dp, expression);
this.SetValueInternal(dp, oldValue, newValue);
return expression;
}
public void No_Property_And_No_Source_Should_Throw_Exception()
{
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(null, "").ToArray();
}
public void Multiple_Properties_With_Broken_Link_Should_Return_Correct_Chain()
{
var source = new
{
Foo = new
{
Bar = new
{
Qux = 9,
}
},
};
var expected = new[]
{
new PropertyPathToken
{
Type = PropertyPathTokenType.Valid,
Object = source,
PropertyName = "Foo",
},
new PropertyPathToken
{
Type = PropertyPathTokenType.Valid,
Object = source.Foo,
PropertyName = "Bar",
},
new PropertyPathToken
{
Type = PropertyPathTokenType.Broken,
Object = source.Foo.Bar,
PropertyName = "Baz",
},
};
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(source, "Foo.Bar.Baz").ToArray();
CollectionAssert.AreEqual(expected, result);
}
public void Multiple_Properties_With_Null_Final_Value_Should_Return_Correct_Chain()
{
var source = new
{
Foo = new
{
Bar = (object)null,
},
};
var expected = new[]
{
new PropertyPathToken
{
Type = PropertyPathTokenType.Valid,
Object = source,
PropertyName = "Foo",
},
new PropertyPathToken
{
Type = PropertyPathTokenType.Valid,
Object = source.Foo,
PropertyName = "Bar",
},
new PropertyPathToken
{
Type = PropertyPathTokenType.FinalValue,
Object = null,
PropertyName = null,
},
};
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(source, "Foo.Bar").ToArray();
CollectionAssert.AreEqual(expected, result);
}
public void Single_Property_Broken_Sould_Return_Correct_Chain()
{
var source = new
{
Foo = 1,
Bar = (object)null,
};
var expected = new[]
{
new PropertyPathToken
{
Type = PropertyPathTokenType.Broken,
Object = source,
PropertyName = "Baz",
},
};
PropertyPathParser target = new PropertyPathParser();
PropertyPathToken[] result = target.Parse(source, "Baz").ToArray();
CollectionAssert.AreEqual(expected, result);
}
