public void GetExpression_CustomPredicate()
{
var foo = new Foo()
{
Name = "11"
};
var val = new Func <string, bool>(p1 => p1 == foo.Name);
var filter = new FilterKeyValueAction()
{
FieldKey = "Name", FieldValue = val, FilterAction = FilterAction.CustomPredicate
};
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(foo));
// Expression
Expression <Func <string, bool> > p1 = p => p == foo.Name;
filter.FieldValue = p1;
invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(foo));
filter.FieldValue = new object();
Assert.Throws <InvalidOperationException>(() => filter.GetFilterLambda <Foo>());
}
public void FilterKeyValueAction_FieldKey_Null()
{
var filter = new FilterKeyValueAction();
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(new Foo()));
}
public void FilterKeyValueAction_SimpleFilterExpression_Exception()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Name", FieldValue = "Name"
};
Assert.Throws <InvalidOperationException>(() => filter.GetFilterLambda <Dummy>());
}
public void GetFilterLambda_Enum()
{
var filters = new FilterKeyValueAction()
{
FieldKey = nameof(Dummy.Education), FieldValue = "Middel"
};
var exp = filters.GetFilterLambda <Dummy>();
Assert.True(exp.Compile().Invoke(new Dummy()
{
Education = EnumEducation.Middel
}));
}
public void GetFilterLambda_Nullable()
{
var filters = new FilterKeyValueAction()
{
FieldKey = nameof(Foo.DateTime), FieldValue = DateTime.MinValue
};
var exp = filters.GetFilterLambda <Foo>();
Assert.True(exp.Compile().Invoke(new Foo()
{
DateTime = DateTime.MinValue
}));
}
public void GetExpression_NotContains()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Name", FieldValue = "test", FilterAction = FilterAction.NotContains
};
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(new Foo()
{
Name = "11"
}));
}
public void GetExpression_NotEqual()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Count", FieldValue = 1, FilterAction = FilterAction.NotEqual
};
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(new Foo()
{
Count = 2
}));
}
public void FilterKeyValueAction_SimpleFilterExpression()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Name", FieldValue = "Name"
};
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(new Foo()
{
Name = "Name"
}));
}
public void NullContains_Ok()
{
var dummy = new Dummy();
var filter = new FilterKeyValueAction();
filter.FieldKey = "Foo";
filter.FilterAction = FilterAction.Contains;
filter.FieldValue = "";
var invoker = filter.GetFilterLambda <Dummy>().Compile();
var ret = invoker.Invoke(dummy);
Assert.False(ret);
}
public void FilterKeyValueAction_ComplexFilterExpression_Enum()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Cat.Education", FieldValue = "Middel"
};
var invoker = filter.GetFilterLambda <Dummy>().Compile();
Assert.True(invoker.Invoke(new Dummy()
{
Cat = new Cat()
{
Education = EnumEducation.Middel
}
}));
}
public void FilterKeyValueAction_ComplexFilterExpression_Nullable()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Foo.DateTime", FieldValue = DateTime.MinValue
};
var invoker = filter.GetFilterLambda <Dummy>().Compile();
Assert.True(invoker.Invoke(new Dummy()
{
Foo = new Foo()
{
DateTime = DateTime.MinValue
}
}));
}
public void FilterKeyValueAction_ComplexFilterExpression()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Foo.Name", FieldValue = "Name"
};
var invoker = filter.GetFilterLambda <Dummy>().Compile();
Assert.True(invoker.Invoke(new Dummy()
{
Foo = new Foo()
{
Name = "Name"
}
}));
}
public void GetExpression_LessThanOrEqual()
{
var filter = new FilterKeyValueAction()
{
FieldKey = "Count", FieldValue = 10, FilterAction = FilterAction.LessThanOrEqual
};
var invoker = filter.GetFilterLambda <Foo>().Compile();
Assert.True(invoker.Invoke(new Foo()
{
Count = 9
}));
Assert.True(invoker.Invoke(new Foo()
{
Count = 10
}));
Assert.False(invoker.Invoke(new Foo()
{
Count = 11
}));
}
/// <summary> /// 指定 FilterKeyValueAction 获取委托 /// </summary> /// <typeparam name="TItem"></typeparam> /// <param name="filter"></param> /// <returns></returns> public static Func <TItem, bool> GetFilterFunc <TItem>(this FilterKeyValueAction filter) => filter.GetFilterLambda <TItem>().Compile();