Bump to v1.0.3, fix istanbul-lib-coverage import #21
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After updating mbland/tomcat-servlet-testing-example to use v1.0.2, its
tests failed with this error:
```text
FAIL main.test.js [ main.test.js ]
SyntaxError: Named export 'createCoverageMap' not found. The requested module
'istanbul-lib-coverage' is a CommonJS module, which may not support all
module.exports as named exports.
CommonJS modules can always be imported via the default export, for example
using:
import pkg from 'istanbul-lib-coverage';
const { createCoverageMap } = pkg;
```
At least it was a very clear and straightforward message leading to an easy
fix. Still, gah.
Pull Request Test Coverage Report for Build 7427416871
💛 - Coveralls |
mbland
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Jan 6, 2024
Required adding test-page-opener to the test.server.deps.inline config variable. Also updated all internal import paths to end with the '.js' extension. These changes were a consequence of the fact that the previous test/page-loader.js file was automatically bundled via Rollup, and the "external" test-page-opener isn't by default. Without bundling, test-page-opener can't resolve Handlebars modules transformed via rollup-plugin-handlebars-precompiler. --- On first adding test-page-opener to the project, running main.test.js in the browser passed. When running it in Node, all of the internal imports that didn't end with '.js' failed. This followed on the heels of mbland/test-page-opener#20, which I created when test-page-opener's own internal imports failed when used in this project. (I also filed mbland/test-page-opener#21 when its internal istanbul-lib-coverage import broke in this project, too.) After updating all the local imports on .js files, the Handlebars imports (ending in '.hbs') continued to fail with ERR_UNKNOWN_FILE_EXTENSION: ```sh % pnpm test -- run main.test.js RUN v1.1.3 /.../tomcat-servlet-testing-example/strcalc/src/main/frontend ❯ main.test.js (1) ❯ String Calculator UI on initial page load (1) × contains the "Hello, World!" placeholder —— Failed Tests 1 —— FAIL main.test.js > String Calculator UI on initial page load > contains the "Hello, World!" placeholder Error: opening index.html ❯ JsdomPageOpener.open node_modules/.pnpm/[email protected]/node_modules/test-page-opener/lib/jsdom.js:85:13 ❯ TestPageOpener.open node_modules/.pnpm/[email protected]/node_modules/test-page-opener/index.js:109:18 ❯ main.test.js:18:26 16| 17| test('contains the "Hello, World!" placeholder', async () => { 18| const { document } = await opener.open('index.html') | ^ 19| const appElem = document.querySelector('#app') 20| Caused by: Error: importing file:///.../tomcat-servlet-testing-example/strcalc/src/main/frontend/main.js ❯ node_modules/.pnpm/[email protected]/node_modules/test-page-opener/lib/jsdom.js:173:25 ❯ importModulesOnEvent node_modules/.pnpm/[email protected]/node_modules/test-page-opener/lib/jsdom.js:131:15 Caused by: TypeError: Unknown file extension ".hbs" for /.../mbland/tomcat-servlet-testing-example/strcalc/src/main/frontend/components/calculator.hbs ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ Serialized Error: { code: 'ERR_UNKNOWN_FILE_EXTENSION' } ⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯ ``` (I'm rather relieved to have implemented mbland/test-page-opener#14 just today, which is why there are such nice "Caused by:" messages above.) When I temporarily replaced the npm dependency with my local working copy via `pnpm link ../../../../../test-page-opener`, the test would pass again. It occurred to me that the Node runs of the test weren't including test-page-opener in the Rollup bundle containing the transformed .hbs files. Or, it would include it when it was linked to the local copy, but not include it when installed normally. I eventually figured out that the Vitest config setting server.deps.inline would cause the "external" test-page-opener to get bundled, enabling it to resolve the '.hbs' imports. - <https://vitest.dev/config/#server-deps-inline>
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After updating mbland/tomcat-servlet-testing-example to use v1.0.2, its tests failed with this error:
At least it was a very clear and straightforward message leading to an easy fix. Still, gah.