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Unify tool to test stylable core (#2255)
feat(core-test-kit) single test function to test core feat(core-test-kit) support `@transform-remove` fix(core-test-kit) fix parenthesis bug in @rule declaration expectation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| import { testInlineExpects } from './inline-expectation'; | ||
| import { Stylable, StylableConfig, StylableResults } from '@stylable/core'; | ||
| import { createMemoryFs } from '@file-services/memory'; | ||
| import type { IDirectoryContents, IFileSystem } from '@file-services/types'; | ||
| import { isAbsolute } from 'path'; | ||
|
|
||
| export interface TestOptions { | ||
| entries: string[]; | ||
| stylableConfig: TestStylableConfig; | ||
| } | ||
|
|
||
| export type TestStylableConfig = Omit< | ||
| StylableConfig, | ||
| 'fileSystem' | `projectRoot` | `resolveNamespace` | ||
| > & { | ||
| filesystem?: IFileSystem; | ||
| projectRoot?: StylableConfig['projectRoot']; | ||
| resolveNamespace?: StylableConfig['resolveNamespace']; | ||
| }; | ||
|
|
||
| /** | ||
| * The test function takes in a single '/entry.st.css' stylesheet string | ||
| * or a directory structure and then runs 2 phases | ||
| * 1. build stylesheets from entries in a configurable order | ||
| * 2. run inline test on all '.st.css' files found | ||
| * @param input single '/entry.st.css' string or file system structure | ||
| */ | ||
| export function testStylableCore( | ||
| input: string | IDirectoryContents, | ||
| options: Partial<TestOptions> = {} | ||
| ) { | ||
| // infra | ||
| const fs = | ||
| options.stylableConfig?.filesystem || | ||
| createMemoryFs(typeof input === `string` ? { '/entry.st.css': input } : input); | ||
| const stylable = Stylable.create({ | ||
| fileSystem: fs, | ||
| projectRoot: '/', | ||
| resolveNamespace: (ns) => ns, | ||
| requireModule: createJavascriptRequireModule(fs), | ||
| ...(options.stylableConfig || {}), | ||
| }); | ||
|
|
||
| // collect sheets | ||
| const allSheets = fs.findFilesSync(`/`, { filterFile: ({ path }) => path.endsWith(`.st.css`) }); | ||
| const entries = options.entries || allSheets; | ||
|
|
||
| // transform entries - run build in requested order | ||
| const sheets: Record<string, StylableResults> = {}; | ||
| for (const path of entries) { | ||
| if (!isAbsolute(path || '')) { | ||
| throw new Error(testStylableCore.errors.absoluteEntry(path)); | ||
| } | ||
| const meta = stylable.process(path); | ||
| const { exports } = stylable.transform(meta); | ||
| sheets[path] = { meta, exports }; | ||
| } | ||
|
|
||
| // inline test - build all and test | ||
| for (const path of allSheets) { | ||
| const meta = stylable.process(path); | ||
| if (!meta.outputAst) { | ||
| // ToDo: test | ||
| stylable.transform(meta); | ||
| } | ||
| testInlineExpects({ meta }); | ||
| } | ||
|
|
||
| // expose infra and entry sheets | ||
| return { sheets, stylable, fs }; | ||
| } | ||
| testStylableCore.errors = { | ||
| absoluteEntry: (entry: string) => `entry must be absolute path got: ${entry}`, | ||
| }; | ||
|
|
||
| // copied from memory-minimal | ||
| function createJavascriptRequireModule(fs: IFileSystem) { | ||
| const requireModule = (id: string): any => { | ||
| const _module = { | ||
| id, | ||
| exports: {}, | ||
| }; | ||
| try { | ||
| if (!id.match(/\.js$/)) { | ||
| id += '.js'; | ||
| } | ||
| // eslint-disable-next-line @typescript-eslint/no-implied-eval | ||
| const fn = new Function( | ||
| 'module', | ||
| 'exports', | ||
| 'require', | ||
| fs.readFileSync(id, { encoding: 'utf8', flag: 'r' }) | ||
| ); | ||
| fn(_module, _module.exports, requireModule); | ||
| } catch (e) { | ||
| throw new Error('Cannot require file: ' + id); | ||
| } | ||
| return _module.exports; | ||
| }; | ||
| return requireModule; | ||
| } |
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