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Support HEADLESS env variable for unit tests

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This patch makes it possible to run unit tests in non-headless
mode with the following command:

```
HEADLESS=false npm run unit
```
This commit is contained in:
Andrey Lushnikov 2017-07-19 19:35:09 -07:00
parent a63a0198de
commit e33a8f818c
3 changed files with 14 additions and 7 deletions
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17
CONTRIBUTING.md
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@ -43,16 +43,21 @@ To run puppeteer tests, use:
npm run unit npm run unit
``` ```
To run phantom-shim against phantomjs tests, use: To run all tests, including lints:
```
npm run test-phantom
```
To run both puppeteer and phantom_shim tests, use:
``` ```
npm test npm test
``` ```
To debug unit tests:
```
npm run debug-unit
```
To run unit tests in non-headless mode:
```
HEADLESS=false npm run unit
```
## DEBUG module ## DEBUG module
Puppeteer uses [debug](https://github.com/visionmedia/debug) module to expose some of it's inner guts under the `puppeteer` namespace. Puppeteer uses [debug](https://github.com/visionmedia/debug) module to expose some of it's inner guts under the `puppeteer` namespace.
Try putting the following script in the `script.js` and running it via `DEBUG=* node script.js`: Try putting the following script in the `script.js` and running it via `DEBUG=* node script.js`:

1
lib/Page.js
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@ -555,6 +555,7 @@ class Page extends EventEmitter {
let node = document.querySelector(selector); let node = document.querySelector(selector);
if (!node) if (!node)
return null; return null;
node.scrollIntoView();
let rect = node.getBoundingClientRect(); let rect = node.getBoundingClientRect();
return { return {
x: (rect.left + rect.right) / 2, x: (rect.left + rect.right) / 2,

3
test/test.js
View File

@ -30,6 +30,7 @@ let EMPTY_PAGE = PREFIX + '/empty.html';
let HTTPS_PORT = 8908; let HTTPS_PORT = 8908;
let HTTPS_PREFIX = 'https://localhost:' + HTTPS_PORT; let HTTPS_PREFIX = 'https://localhost:' + HTTPS_PORT;
const headless = (process.env.HEADLESS || 'true').trim().toLowerCase() === 'true';
if (process.env.DEBUG_TEST) if (process.env.DEBUG_TEST)
jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 1000 * 1000; jasmine.DEFAULT_TIMEOUT_INTERVAL = 1000 * 1000 * 1000;
else else
@ -50,7 +51,7 @@ describe('Puppeteer', function() {
let page; let page;
beforeAll(SX(async function() { beforeAll(SX(async function() {
browser = new Browser({headless: true, args: ['--no-sandbox']}); browser = new Browser({headless, args: ['--no-sandbox']});
const assetsPath = path.join(__dirname, 'assets'); const assetsPath = path.join(__dirname, 'assets');
server = await SimpleServer.create(assetsPath, PORT); server = await SimpleServer.create(assetsPath, PORT);
httpsServer = await SimpleServer.createHTTPS(assetsPath, HTTPS_PORT); httpsServer = await SimpleServer.createHTTPS(assetsPath, HTTPS_PORT);