add scroll test

e2e/contents/scroll.test.js

@@ -0,0 +1,81 @@
+import { expect } from "chai";
+import * as windows from "../ambassador/src/client/windows";
+import * as tabs from "../ambassador/src/client/tabs";
+import * as keys from "../ambassador/src/client/keys";
+import * as scrolls from "../ambassador/src/client/scrolls";
+
+const SERVER_URL = "localhost:11111";
+
+describe("scroll test", () => {
+  let targetWindow;
+  let targetTab;
+
+  before(() => {
+    return windows.create().then((win) => {
+      targetWindow = win;
+      return tabs.create(targetWindow.id, SERVER_URL);
+    }).then((tab) => {
+      targetTab = tab;
+    });
+  });
+
+  after(() => {
+    return windows.remove(targetWindow.id);
+  });
+
+  describe('press k', () => {
+    it('scrolls up', () => {
+      let before
+      return scrolls.set(targetTab.id, 100, 100).then((scroll) => {
+        before = scroll;
+        return keys.press(targetTab.id, 'k');
+      }).then(() => {
+        return scrolls.get(targetTab.id);
+      }).then((actual) => {
+        expect(actual.y).to.be.lessThan(before.y);
+      });
+    });
+  });
+
+  describe('press j', () => {
+    it('scrolls down', () => {
+      let before
+      return scrolls.set(targetTab.id, 100, 100).then((scroll) => {
+        before = scroll;
+        return keys.press(targetTab.id, 'j');
+      }).then(() => {
+        return scrolls.get(targetTab.id);
+      }).then((actual) => {
+        expect(actual.y).to.be.greaterThan(before.y);
+      });
+    });
+  });
+
+  describe('press h', () => {
+    it('scrolls left', () => {
+      let before
+      return scrolls.set(targetTab.id, 100, 100).then((scroll) => {
+        before = scroll;
+        return keys.press(targetTab.id, 'h');
+      }).then(() => {
+        return scrolls.get(targetTab.id);
+      }).then((actual) => {
+        expect(actual.x).to.be.lessThan(before.x);
+      });
+    });
+  });
+
+  describe('press l', () => {
+    it('scrolls right', () => {
+      let before
+      return scrolls.set(targetTab.id, 100, 100).then((scroll) => {
+        before = scroll;
+        return keys.press(targetTab.id, 'l');
+      }).then(() => {
+        return scrolls.get(targetTab.id);
+      }).then((actual) => {
+        expect(actual.x).to.be.greaterThan(before.x);
+      });
+    });
+  });
+});