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e2e Code Coverage and all test fixes (#5328)

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Add e2e code coverage and fix all tests
This commit is contained in:
John Hill
2022-06-30 11:50:47 -07:00
committed by GitHub
parent 8ce15521de
commit 0f352087f5
30 changed files with 405 additions and 382 deletions
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32
e2e/fixtures.js
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@@ -1,8 +1,13 @@
/* eslint-disable no-undef */
/* This file extends the base functionality of the playwright test framework to enable
* code coverage instrumentation, console log error detection and working with a 3rd
* party Chrome-as-a-service extension called Browserless.
*/
// This file extends the base functionality of the playwright test framework
const base = require('@playwright/test');
const { expect } = require('@playwright/test');
const fs = require('fs');
const path = require('path');
const { v4: uuid } = require('uuid');
/**
* Takes a `ConsoleMessage` and returns a formatted string
@@ -16,7 +21,30 @@ function consoleMessageToString(msg) {
at (${url} ${lineNumber}:${columnNumber})`;
}
//The following is based on https://github.com/mxschmitt/playwright-test-coverage
// eslint-disable-next-line no-undef
const istanbulCLIOutput = path.join(process.cwd(), '.nyc_output');
// eslint-disable-next-line no-undef
exports.test = base.test.extend({
//The following is based on https://github.com/mxschmitt/playwright-test-coverage
context: async ({ context }, use) => {
await context.addInitScript(() =>
window.addEventListener('beforeunload', () =>
(window).collectIstanbulCoverage(JSON.stringify((window).__coverage__))
)
);
await fs.promises.mkdir(istanbulCLIOutput, { recursive: true });
await context.exposeFunction('collectIstanbulCoverage', (coverageJSON) => {
if (coverageJSON) {
fs.writeFileSync(path.join(istanbulCLIOutput, `playwright_coverage_${uuid()}.json`), coverageJSON);
}
});
await use(context);
for (const page of context.pages()) {
await page.evaluate(() => (window).collectIstanbulCoverage(JSON.stringify((window).__coverage__)));
}
},
page: async ({ baseURL, page }, use) => {
const messages = [];
page.on('console', (msg) => messages.push(msg));