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152 lines
2.9 KiB
Markdown
152 lines
2.9 KiB
Markdown
selenium
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========
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[Selenium][1] is an umbrella project for a range of tools and libraries that enable
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and support the automation of web browsers.
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Watch [this][2] video to get started.
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## Server
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docker-compose.yml
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```yaml
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firefox:
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image: selenium/standalone-firefox-debug
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ports:
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- "4444:4444"
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- "5900:5900"
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environment:
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- JAVA_OPTS=-Xmx512m
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restart: always
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```
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docker-compose-grid.yml
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```yaml
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hub:
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image: selenium/hub
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container_name: hub
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ports:
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- "4444:4444"
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environment:
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- GRID_TIMEOUT=60
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- GRID_BROWSER_TIMEOUT=30
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retart: always
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chrome:
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image: selenium/node-chrome
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container_name: chrome
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ports:
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- "5555"
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links:
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- hub
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retart: always
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firefox:
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image: selenium/node-firefox
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container_name: firefox
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ports:
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- "5555"
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links:
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- hub
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retart: always
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```
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> Access grid console at <http://127.0.0.1:4444/grid/console>
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docker-compose-node.yml
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```yaml
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firefox:
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image: selenium/node-firefox
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ports:
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- "5555:5555"
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- "5900:5900"
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environment:
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- JAVA_OPTS=-Xmx512m
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- NODE_MAX_INSTANCES=2
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- NODE_MAX_SESSION=2
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- SE_OPTS=-host 5.6.7.8 -port 5555
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- HUB_PORT_4444_TCP_ADDR=1.2.3.4
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- HUB_PORT_4444_TCP_PORT=4444
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restart: always
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```
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```bash
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$ docker-compose up -d
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```
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> Another way to start selenium server:
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```bash
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$ npm install -g selenium-standalone
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$ selenium-standalone install
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$ selenium-standalone start
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```
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## Client
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baidu-search.py
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```python
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from selenium import webdriver
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from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
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driver = webdriver.Remote(
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command_executor='http://127.0.0.1:4444/wd/hub',
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desired_capabilities=DesiredCapabilities.FIREFOX
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)
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driver.get('http://www.baidu.com/')
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driver.find_element_by_id('kw').send_keys('webdriver')
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driver.find_element_by_id('su').click()
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driver.save_screenshot('baidu.png')
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driver.close()
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```
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search-baidu.js
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```javascript
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var webdriver = require('selenium-webdriver'),
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By = require('selenium-webdriver').By,
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until = require('selenium-webdriver').until,
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fs = require('fs');
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webdriver.WebDriver.prototype.saveScreenshot = function(filename) {
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return driver.takeScreenshot().then(function(data) {
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fs.writeFile(filename, data.replace(/^data:image\/png;base64,/,''), 'base64', function(err) {
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if(err) throw err;
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});
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})
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};
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var driver = new webdriver.Builder()
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.forBrowser('firefox')
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.usingServer('http://127.0.0.1:4444/wd/hub')
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.build();
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driver.get('http://www.baidu.com/');
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driver.findElement(By.id('kw')).sendKeys('webdriver');
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driver.findElement(By.id('su')).click();
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driver.wait(until.titleIs('webdriver_百度搜索'), 1000);
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driver.saveScreenshot('baidu.png');
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driver.quit();
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```
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```bash
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# VNC
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$ open vnc://:secret@127.0.0.1:5900
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# PYTHON
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$ pip3 install selenium
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$ python3 baidu-search.py
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# NODEJS
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$ npm install -g selenium-webdriver
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$ node search-baidu.js
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```
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[1]: http://seleniumhq.org/
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[2]: https://www.youtube.com/watch?v=S4OkrnFb-YY
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