Files
react-native/ReactCommon/react/renderer/core/tests/ShadowNodeFamilyTest.cpp
T
David Vacca 3093010ea5 move fabric to ReactCommon/react/renderer
Summary:
This diff moves fabric C++ code from ReactCommon/fabric to ReactCommon/react/renderer
As part of this diff I also refactored components, codegen and callsites on CatalystApp, FB4A and venice

Script: P137350694

changelog: [internal] internal refactor

Reviewed By: fkgozali

Differential Revision: D22852139

fbshipit-source-id: f85310ba858b6afd81abfd9cbe6d70b28eca7415
2020-07-31 13:34:29 -07:00

80 lines
2.3 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <exception>
#include <gtest/gtest.h>
#include <react/renderer/componentregistry/ComponentDescriptorProviderRegistry.h>
#include <react/renderer/components/view/ViewComponentDescriptor.h>
#include <react/renderer/element/ComponentBuilder.h>
#include <react/renderer/element/Element.h>
using namespace facebook::react;
TEST(ShadowNodeFamilyTest, sealObjectCorrectly) {
/*
* The structure:
* <A>
* <AA>
* <AAA/>
* </AA>
* </A>
*/
ComponentDescriptorProviderRegistry componentDescriptorProviderRegistry{};
auto eventDispatcher = EventDispatcher::Shared{};
auto componentDescriptorRegistry =
componentDescriptorProviderRegistry.createComponentDescriptorRegistry(
ComponentDescriptorParameters{eventDispatcher, nullptr, nullptr});
componentDescriptorProviderRegistry.add(
concreteComponentDescriptorProvider<ViewComponentDescriptor>());
auto builder = ComponentBuilder{componentDescriptorRegistry};
auto shadowNodeAAA = std::shared_ptr<ViewShadowNode>{};
auto shadowNodeAA = std::shared_ptr<ViewShadowNode>{};
// clang-format off
auto elementA =
Element<ViewShadowNode>()
.tag(1)
.finalize([](ViewShadowNode &shadowNode){
shadowNode.sealRecursive();
})
.children({
Element<ViewShadowNode>()
.tag(2)
.reference(shadowNodeAA)
.children({
Element<ViewShadowNode>()
.reference(shadowNodeAAA)
.tag(3)
})
});
auto elementB =
Element<ViewShadowNode>()
.tag(1)
.finalize([](ViewShadowNode &shadowNode){
shadowNode.sealRecursive();
});
// clang-format on
auto shadowNodeA = builder.build(elementA);
auto shadowNodeB = builder.build(elementB);
// Negative case:
auto ancestors1 = shadowNodeB->getFamily().getAncestors(*shadowNodeA);
EXPECT_EQ(ancestors1.size(), 0);
// Positive case:
auto ancestors2 = shadowNodeAAA->getFamily().getAncestors(*shadowNodeA);
EXPECT_EQ(ancestors2.size(), 2);
EXPECT_EQ(&ancestors2[0].first.get(), shadowNodeA.get());
EXPECT_EQ(&ancestors2[1].first.get(), shadowNodeAA.get());
}