1 files changed, 65 insertions, 0 deletions
diff --git a/e2e/zoom.test.ts b/e2e/zoom.test.ts
new file mode 100644
index 0000000..396ddd2
--- /dev/null
+++ b/e2e/zoom.test.ts
@@ -0,0 +1,65 @@
+import * as path from 'path';
+import * as assert from 'assert';
+
+import eventually from './eventually';
+import { Builder, Lanthan } from 'lanthan';
+import { WebDriver } from 'selenium-webdriver';
+import Page from './lib/Page';
+
+describe("zoom test", () => {
+  let lanthan: Lanthan;
+  let webdriver: WebDriver;
+  let browser: any;
+  let tab: any;
+  let page: Page;
+
+  before(async() => {
+    lanthan = await Builder
+      .forBrowser('firefox')
+      .spyAddon(path.join(__dirname, '..'))
+      .build();
+    webdriver = lanthan.getWebDriver();
+    browser = lanthan.getWebExtBrowser();
+    tab = (await browser.tabs.query({}))[0]
+    page = await Page.currentContext(webdriver);
+  });
+
+  after(async() => {
+    await lanthan.quit();
+  });
+
+  beforeEach(async() => {
+    await webdriver.navigate().to('about:blank');
+  });
+
+  it('should zoom in by zi', async () => {
+    let before = await browser.tabs.getZoom(tab.id);
+    await page.sendKeys('zi');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert.ok(before < actual);
+    });
+  });
+
+  it('should zoom out by zo', async () => {
+    let before = await browser.tabs.getZoom(tab.id);
+    await page.sendKeys('zo');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert.ok(before > actual);
+    });
+  });
+
+  it('should reset zoom by zz', async () => {
+    await browser.tabs.setZoom(tab.id, 2);
+    await page.sendKeys('zz');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert.strictEqual(actual, 1);
+    });
+  });
+});
+