inula/packages/inula-intl/tests/utils/copyStatics.test.ts

79 lines
2.3 KiB
TypeScript

/*
* Copyright (c) 2023 Huawei Technologies Co.,Ltd.
*
* openInula is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
import copyStaticProps from '../../src/utils/copyStaticProps';
describe('copyStaticProps', () => {
test('should hoist static properties from sourceComponent to targetComponent', () => {
class SourceComponent {
static staticProp = 'sourceProp';
}
class TargetComponent {}
copyStaticProps(TargetComponent, SourceComponent);
expect((TargetComponent as any).staticProp).toBe('sourceProp');
});
test('should hoist static properties from inherited components', () => {
class SourceComponent {
static staticProp = 'sourceProp';
}
class InheritedComponent extends SourceComponent {}
class TargetComponent {}
copyStaticProps(TargetComponent, InheritedComponent);
expect((TargetComponent as any).staticProp).toBe('sourceProp');
});
test('should not hoist properties if descriptor is not valid', () => {
class SourceComponent {
get staticProp() {
return 'sourceProp';
}
}
class TargetComponent {}
copyStaticProps(TargetComponent, SourceComponent);
expect((TargetComponent as any).staticProp).toBeUndefined();
});
test('should not hoist properties if descriptor is not valid', () => {
class SourceComponent {
static get staticProp() {
return 'sourceProp';
}
}
class TargetComponent {}
copyStaticProps(TargetComponent, SourceComponent);
expect((TargetComponent as any).staticProp).toBe('sourceProp');
});
test('copyStaticProps should not copy static properties that already exist in target or source component', () => {
const targetComponent = { staticProp: 'target' };
const sourceComponent = { staticProp: 'source' };
copyStaticProps(targetComponent, sourceComponent);
expect(targetComponent.staticProp).toBe('source'); // The value should remain the same
});
});