my_${req.path.slice(1)}

import * as path from 'path';
import * as assert from 'assert';
import { Request, Response } from 'express';

import TestServer from './lib/TestServer';
import eventually from './eventually';
import { Builder, Lanthan } from 'lanthan';
import { WebDriver } from 'selenium-webdriver';
import Page from './lib/Page';

describe('buffer command test', () => {
  const server = new TestServer().handle('/*', (req: Request, res: Response) => {
    res.send(`
      <!DOCTYPE html>
      <html lang="en">
        <head>
          <title>my_${req.path.slice(1)}</title>
        </head>
      </html>`);
  });
  let lanthan: Lanthan;
  let webdriver: WebDriver;
  let browser: any;

  before(async() => {
    lanthan = await Builder
      .forBrowser('firefox')
      .spyAddon(path.join(__dirname, '..'))
      .build();
    webdriver = lanthan.getWebDriver();
    browser = lanthan.getWebExtBrowser();
    await server.start();
  });

  after(async() => {
    await server.stop();
    if (lanthan) {
      await lanthan.quit();
    }
  });

  beforeEach(async() => {
    const tabs = await browser.tabs.query({});
    for (const tab of tabs.slice(1)) {
      await browser.tabs.remove(tab.id);
    }
    await browser.tabs.update(tabs[0].id, { url: server.url('/site1') });
    for (let i = 2; i <= 5; ++i) {
      await browser.tabs.create({ url: server.url('/site' + i) });
    }

    await eventually(async() => {
      const handles = await webdriver.getAllWindowHandles();
      assert.strictEqual(handles.length, 5);
      await webdriver.switchTo().window(handles[2]);
    });
  });

  it('should do nothing by buffer command with no parameters', async() => {
    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 2);
    });
  });

  it('should select a tab by buffer command with a number', async() => {
    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer 1');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 0);
    });
  });

  it('should should an out of range error by buffer commands', async() => {
    const page = await Page.currentContext(webdriver);
    let console = await page.showConsole();
    await console.execCommand('buffer 0');

    await eventually(async() => {
      const text = await console.getErrorMessage();
      assert.strictEqual(text, 'tab 0 does not exist');
    });

    await (webdriver.switchTo() as any).parentFrame();

    console = await page.showConsole();
    await console.execCommand('buffer 9');

    await eventually(async() => {
      const text = await console.getErrorMessage();
      assert.strictEqual(text, 'tab 9 does not exist');
    });
  });

  it('should select a tab by buffer command with a title', async() => {
    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer my_site1');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 0);
    });
  });

  it('should select a tab by buffer command with an URL', async() => {
    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer /site1');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 0);
    });
  });

  it('should select tabs rotately', async() => {
    const handles = await webdriver.getAllWindowHandles();
    await webdriver.switchTo().window(handles[4]);

    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer site');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 0);
    });
  });

  it('should do nothing by ":buffer %"', async() => {
    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer %');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 2);
    });
  });

  it('should selects last selected tab by ":buffer #"', async() => {
    const handles = await webdriver.getAllWindowHandles();
    await webdriver.switchTo().window(handles[1]);

    const page = await Page.currentContext(webdriver);
    const console = await page.showConsole();
    await console.execCommand('buffer #');

    await eventually(async() => {
      const tabs = await browser.tabs.query({ active: true });
      assert.strictEqual(tabs[0].index, 2);
    });
  });
});