1 files changed, 81 insertions, 0 deletions
diff --git a/e2e-lanthan/zoom.test.js b/e2e-lanthan/zoom.test.js
new file mode 100644
index 0000000..1f59e3d
--- /dev/null
+++ b/e2e-lanthan/zoom.test.js
@@ -0,0 +1,81 @@
+const express = require('express');
+const lanthan = require('lanthan');
+const path = require('path');
+const assert = require('power-assert');
+const eventually = require('./eventually');
+
+const Key = lanthan.Key;
+
+const newApp = () => {
+  let app = express();
+  app.get('/', (req, res) => {
+    res.send(`<!DOCTYPEhtml>
+<html lang="en">
+</html">`);
+  });
+  return app;
+};
+
+describe("zoom test", () => {
+
+  const port = 12321;
+  let http;
+  let firefox;
+  let session;
+  let browser;
+  let tab;
+  let body;
+
+  before(async() => {
+    http = newApp().listen(port);
+
+    firefox = await lanthan.firefox();
+    await firefox.session.installAddon(path.join(__dirname, '..'));
+    session = firefox.session;
+    browser = firefox.browser;
+    tab = (await browser.tabs.query({}))[0]
+  });
+
+  after(async() => {
+    if (firefox) {
+      await firefox.close();
+    }
+    http.close();
+  });
+
+  beforeEach(async() => {
+    await session.navigateTo(`http://127.0.0.1:${port}`);
+    body = await session.findElementByCSS('body');
+  });
+
+  it('should zoom in by zi', async () => {
+    let before = await browser.tabs.getZoom(tab.id);
+    await body.sendKeys('z', 'i');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert(before < actual);
+    });
+  });
+
+  it('should zoom out by zo', async () => {
+    let before = await browser.tabs.getZoom(tab.id);
+    await body.sendKeys('z', 'o');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert(before > actual);
+    });
+  });
+
+  it('scrolls left by h', async () => {
+    await browser.tabs.setZoom(tab.id, 2);
+    await body.sendKeys('z', 'z');
+
+    await eventually(async() => {
+      let actual = await browser.tabs.getZoom(tab.id);
+      assert(actual === 1);
+    });
+  });
+});
+