public void Create_ShortGreaterThan_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("barShort_gt",
new IntValueNode(12)));
var fooType = CreateType(new FooFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType, typeof(Foo), TypeConversion.Default, true);
filter.Visit(value, null);
Func <Foo, bool> func = filter.CreateFilter <Foo>().Compile();
// assert
var a = new Foo {
BarShort = 11
};
Assert.False(func(a));
var b = new Foo {
BarShort = 12
};
Assert.False(func(b));
var c = new Foo {
BarShort = 13
};
Assert.True(func(c));
}
public void Create_StringNotEqual_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("bar_not",
new StringValueNode("a")));
FooFilterType fooType = CreateType(new FooFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(Foo),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <Foo, bool> func = filter.CreateFilter <Foo>().Compile();
// assert
var a = new Foo {
Bar = "a"
};
Assert.False(func(a));
var b = new Foo {
Bar = "b"
};
Assert.True(func(b));
}
public void Create_NullableBooleanEqual_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("bar",
new BooleanValueNode(true)));
var fooNullableType = CreateType(new FooNullableFilterType());
// act
var filter = new QueryableFilterVisitor(
fooNullableType, typeof(FooNullable), TypeConversion.Default, true);
filter.Visit(value, null);
Func <FooNullable, bool> func = filter.CreateFilter <FooNullable>().Compile();
// assert
var a = new FooNullable {
Bar = true
};
Assert.True(func(a));
var b = new FooNullable {
Bar = false
};
Assert.False(func(b));
var c = new FooNullable {
Bar = null
};
Assert.False(func(c));
}
public void Create_ArraySomeObjectStringEqualWithNull_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("fooNested_some",
new ObjectValueNode(
new ObjectFieldNode("bar",
new StringValueNode("a")
)
)
)
);
FooFilterType fooType = CreateType(new FooFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(Foo),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <Foo, bool> func = filter.CreateFilter <Foo>().Compile();
// assert
var a = new Foo
{
FooNested = new[]
{
new FooNested {
Bar = "c"
},
null,
new FooNested {
Bar = "a"
}
}
};
Assert.True(func(a));
var b = new Foo
{
FooNested = new[]
{
new FooNested {
Bar = "c"
},
null,
new FooNested {
Bar = "b"
}
}
};
Assert.False(func(b));
}
public void Create_ArrayAnyObjectStringEqual_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("fooNested_any",
new BooleanValueNode(true)
)
);
FooFilterType fooType = CreateType(new FooFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(Foo),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <Foo, bool> func = filter.CreateFilter <Foo>().Compile();
// assert
var a = new Foo
{
FooNested = new[]
{
new FooNested {
Bar = "c"
},
new FooNested {
Bar = "d"
},
new FooNested {
Bar = "a"
}
}
};
Assert.True(func(a));
var b = new Foo {
FooNested = new FooNested[] { }
};
Assert.False(func(b));
var c = new Foo {
FooNested = null
};
Assert.False(func(c));
var d = new Foo {
FooNested = new FooNested[] { null }
};
Assert.True(func(d));
}
public async Task InvokeAsync(IMiddlewareContext context)
{
await _next(context).ConfigureAwait(false);
IValueNode filter = context.Argument <IValueNode>(_contextData.ArgumentName);
if (filter is null || filter is NullValueNode)
{
return;
}
IQueryable <T> source = null;
if (context.Result is PageableData <T> p)
{
source = p.Source;
}
else
{
p = null;
}
if (context.Result is IQueryable <T> q)
{
source = q;
}
else if (context.Result is IEnumerable <T> e)
{
source = e.AsQueryable();
}
if (source != null &&
context.Field.Arguments[_contextData.ArgumentName].Type is InputObjectType iot &&
iot is IFilterInputType fit)
{
if (source is EnumerableQuery)
{
var visitor = new QueryableFilterVisitor(iot, fit.EntityType, _converter, true);
visitor.Visit(filter, null);
source = source.Where(visitor.CreateFilter <T>());
}
else
{
var visitor = new QueryableFilterVisitor(iot, fit.EntityType, _converter, false);
visitor.Visit(filter, null);
source = source.Where(visitor.CreateFilter <T>());
}
context.Result = p is null
? (object)source
: new PageableData <T>(source, p.Properties);
}
}
public void Create_ObjectStringEqualDeep_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("foo",
new ObjectValueNode(
new ObjectFieldNode("fooNested",
new ObjectValueNode(
new ObjectFieldNode("bar",
new StringValueNode("a")
)
)
)
)
)
);
var fooType = CreateType(new EvenDeeperFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(EvenDeeper),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <EvenDeeper, bool> func = filter.CreateFilter <EvenDeeper>().Compile();
// assert
var a = new EvenDeeper {
Foo = new Foo {
FooNested = new FooNested {
Bar = "a"
}
}
};
Assert.True(func(a));
var b = new EvenDeeper {
Foo = new Foo {
FooNested = new FooNested {
Bar = "b"
}
}
};
Assert.False(func(b));
}
public void Create_ObjectStringEqualRecursive_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("nested",
new ObjectValueNode(
new ObjectFieldNode("nested",
new ObjectValueNode(
new ObjectFieldNode("bar",
new StringValueNode("a")
)
)
)
)
)
);
var fooType = CreateType(new FilterInputType <Recursive>());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(Recursive),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <Recursive, bool> func = filter.CreateFilter <Recursive>().Compile();
var a = new Recursive {
Nested = new Recursive {
Nested = new Recursive {
Bar = "a"
}
}
};
Assert.True(func(a));
var b = new Recursive {
Nested = new Recursive {
Nested = new Recursive {
Bar = "b"
}
}
};
Assert.False(func(b));
}
public void Create_ArraySomeStringEqualWithNull_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("bar_some",
new ObjectValueNode(
new ObjectFieldNode("element",
new StringValueNode("a")
)
)
)
);
FooSimpleFilterType fooType = CreateType(new FooSimpleFilterType());
// act
var filter = new QueryableFilterVisitor(
fooType,
typeof(FooSimple),
TypeConversion.Default,
true);
filter.Visit(value, null);
Func <FooSimple, bool> func = filter.CreateFilter <FooSimple>().Compile();
// assert
var a = new FooSimple {
Bar = new[] { "c", null, "a" }
};
Assert.True(func(a));
var b = new FooSimple {
Bar = new[] { "c", null, "b" }
};
Assert.False(func(b));
var c = new FooSimple {
Bar = null
};
Assert.False(func(c));
}
public void Create_NullableShortNotLowerThanOrEquals_Expression()
{
// arrange
var value = new ObjectValueNode(
new ObjectFieldNode("barShort_not_lte",
new IntValueNode(12)));
var fooNullableType = CreateType(new FooNullableFilterType());
// act
var filter = new QueryableFilterVisitor(
fooNullableType, typeof(FooNullable), TypeConversion.Default, true);
filter.Visit(value, null);
Func <FooNullable, bool> func = filter.CreateFilter <FooNullable>().Compile();
// assert
var a = new FooNullable {
BarShort = 11
};
Assert.False(func(a));
var b = new FooNullable {
BarShort = 12
};
Assert.False(func(b));
var c = new FooNullable {
BarShort = 13
};
Assert.True(func(c));
var d = new FooNullable {
BarShort = null
};
Assert.True(func(d));
}
