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test(language-service): remove MockData from MockTypescriptHost (#32752)

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Remove MockData from the constructor parameters of MockTypescriptHost
since the entire Tour of Heroes (TOH) project is now loaded from disk.

Added a new method `reset()` to MockTypescriptHost that is necessary to
reset the state of the project before each spec if run to make sure
previous overrides are cleared.

PR Close #32752
This commit is contained in:
Keen Yee Liau
2019-09-17 14:33:41 -07:00
committed by Andrew Kushnir
parent 0450f39625
commit f3859ff2b9
12 changed files with 64 additions and 343 deletions
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6
packages/language-service/test/reflector_host_spec.ts
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@ -9,11 +9,9 @@
import * as path from 'path';
import * as ts from 'typescript';
import {createLanguageService} from '../src/language_service';
import {ReflectorHost} from '../src/reflector_host';
import {TypeScriptServiceHost} from '../src/typescript_host';
import {toh} from './test_data';
import {MockTypescriptHost} from './test_utils';
describe('reflector_host_spec', () => {
@ -23,7 +21,7 @@ describe('reflector_host_spec', () => {
const originalJoin = path.join;
const originalPosixJoin = path.posix.join;
const mockHost =
new MockTypescriptHost(['/app/main.ts', '/app/parsing-cases.ts'], toh, 'node_modules', {
new MockTypescriptHost(['/app/main.ts', '/app/parsing-cases.ts'], 'node_modules', {
...path,
join: (...args: string[]) => originalJoin.apply(path, args),
posix:
@ -42,7 +40,7 @@ describe('reflector_host_spec', () => {
});
it('should use module resolution cache', () => {
const mockHost = new MockTypescriptHost(['/app/main.ts'], toh);
const mockHost = new MockTypescriptHost(['/app/main.ts']);
// TypeScript relies on `ModuleResolutionHost.fileExists()` to perform
// module resolution, so spy on this method to determine how many times
// it's called.