1 files changed, 137 insertions, 0 deletions
diff --git a/e2e/scroll.test.ts b/e2e/scroll.test.ts
new file mode 100644
index 0000000..5145265
--- /dev/null
+++ b/e2e/scroll.test.ts
@@ -0,0 +1,137 @@
+import * as path from 'path';
+import * as assert from 'assert';
+
+import TestServer from './lib/TestServer';
+import { Builder, Lanthan } from 'lanthan';
+import { WebDriver, Key } from 'selenium-webdriver';
+import Page from './lib/Page';
+
+describe("scroll test", () => {
+  let server = new TestServer().receiveContent('/',
+    `<!DOCTYPE html><html lang="en"><body style="width:10000px; height:10000px"></body></html>`,
+  );
+  let lanthan: Lanthan;
+  let webdriver: WebDriver;
+  let page: Page;
+
+  before(async() => {
+    lanthan = await Builder
+      .forBrowser('firefox')
+      .spyAddon(path.join(__dirname, '..'))
+      .build();
+    webdriver = lanthan.getWebDriver();
+    await server.start();
+  });
+
+  after(async() => {
+    await server.stop();
+    if (lanthan) {
+      await lanthan.quit();
+    }
+  });
+
+  beforeEach(async() => {
+    await webdriver.navigate().to(server.url());
+    page = await Page.currentContext(webdriver);
+  });
+
+
+  it('scrolls up by j', async () => {
+    await page.sendKeys('j');
+
+    let scrollY = await page.getScrollY();
+    assert.strictEqual(scrollY, 64);
+  });
+
+  it('scrolls down by k', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 200));
+    await page.sendKeys('k');
+
+    let scrollY = await page.getScrollY();
+    assert.strictEqual(scrollY, 136);
+  });
+
+  it('scrolls left by h', async () => {
+    await webdriver.executeScript(() => window.scrollTo(100, 100));
+    await page.sendKeys('h');
+
+    let pageXOffset = await webdriver.executeScript(() => window.pageXOffset) as number;
+    assert.strictEqual(pageXOffset, 36);
+  });
+
+  it('scrolls left by l', async () => {
+    await webdriver.executeScript(() => window.scrollTo(100, 100));
+    await page.sendKeys('l');
+
+    let pageXOffset = await webdriver.executeScript(() => window.pageXOffset) as number;
+    assert.strictEqual(pageXOffset, 164);
+  });
+
+  it('scrolls top by gg', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 100));
+    await page.sendKeys('g', 'g');
+
+    let scrollY = await page.getScrollY();
+    assert.strictEqual(scrollY, 0);
+  });
+
+  it('scrolls bottom by G', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 100));
+    await page.sendKeys(Key.SHIFT, 'g');
+
+    let scrollY = await page.getScrollY();
+    assert.ok(scrollY > 5000);
+  });
+
+  it('scrolls bottom by 0', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 100));
+    await page.sendKeys(Key.SHIFT, '0');
+
+    let pageXOffset = await webdriver.executeScript(() => window.pageXOffset) as number;
+    assert.ok(pageXOffset === 0);
+  });
+
+  it('scrolls bottom by $', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 100));
+    await page.sendKeys(Key.SHIFT, '$');
+
+    let pageXOffset = await webdriver.executeScript(() => window.pageXOffset) as number;
+    assert.ok(pageXOffset > 5000);
+  });
+
+  it('scrolls bottom by <C-U>', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 1000));
+    await page.sendKeys(Key.CONTROL, 'u');
+
+    let pageHeight = await page.pageHeight();
+    let scrollY = await page.getScrollY();
+    assert.ok(Math.abs(scrollY - (1000 - Math.floor(pageHeight / 2))) < 5);
+  });
+
+  it('scrolls bottom by <C-D>', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 1000));
+    await page.sendKeys(Key.CONTROL, 'd');
+
+    let pageHeight = await page.pageHeight();
+    let scrollY = await page.getScrollY();
+    assert.ok(Math.abs(scrollY - (1000 + Math.floor(pageHeight / 2))) < 5);
+  });
+
+  it('scrolls bottom by <C-B>', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 1000));
+    await page.sendKeys(Key.CONTROL, 'b');
+
+    let pageHeight = await page.pageHeight();
+    let scrollY = await page.getScrollY();
+    assert.ok(Math.abs(scrollY - (1000 - pageHeight)) < 5);
+  });
+
+  it('scrolls bottom by <C-F>', async () => {
+    await webdriver.executeScript(() => window.scrollTo(0, 1000));
+    await page.sendKeys(Key.CONTROL, 'f');
+
+    let pageHeight = await page.pageHeight();
+    let scrollY = await page.getScrollY();
+    assert.ok(Math.abs(scrollY - (1000 + pageHeight)) < 5);
+  });
+});