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test: add test to verify that the new es2015 class wrapping logic handles wrapping of tslib and tsickle classes

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Related to https://github.com/ngrx/platform/issues/1905 and https://github.com/ng-packagr/ng-packagr/issues/1307

Fixes #14613
This commit is contained in:
Alan Agius 2019-06-05 09:01:56 +02:00 committed by Alex Eagle
parent 8104fce690
commit 8d479c93d2
1 changed files with 32 additions and 2 deletions
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34
packages/angular_devkit/build_optimizer/src/transforms/wrap-enums_spec.ts
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@ -14,9 +14,40 @@ import { getWrapEnumsTransformer } from './wrap-enums';
const transform = (content: string) => transformJavascript(
{ content, getTransforms: [getWrapEnumsTransformer] }).content;
// tslint:disable-next-line:no-big-function
// tslint:disable:no-big-function
describe('wrap enums and classes transformer', () => {
describe('wraps class declarations', () => {
it('should wrap tsickle emitted classes which followed by metadata', () => {
const input = tags.stripIndent`
class CustomComponentEffects {
constructor(_actions) {
this._actions = _actions;
this.doThis = this._actions;
}
}
CustomComponentEffects.decorators = [{ type: Injectable }];
CustomComponentEffects.ctorParameters = () => [{ type: Actions }];
tslib_1.__decorate([
Effect(),
tslib_1.__metadata("design:type", Object)
], CustomComponentEffects.prototype, "doThis", void 0);
tslib_1.__decorate([
Effect({ dispatch: false }),
tslib_1.__metadata("design:type", Object)
], CustomComponentEffects.prototype, "doThat", void 0);
`;
const output = tags.stripIndent`
const CustomComponentEffects = /*@__PURE__*/ (() => {
${input}
return CustomComponentEffects;
})();
`;
expect(tags.oneLine`${transform(input)}`).toEqual(tags.oneLine`${output}`);
});
it('should ClassDeclarations that are referenced with in CallExpressions', () => {
const input = tags.stripIndent`
class ApplicationModule {
@ -305,7 +336,6 @@ describe('wrap enums and classes transformer', () => {
});
});
// tslint:disable-next-line:no-big-function
describe('wrap enums', () => {
it('wraps ts 2.2 enums in IIFE', () => {
const input = tags.stripIndent`