[REF] initial prototype of owl 2

tests/components/env.test.ts

@@ -0,0 +1,51 @@
+import { App, Component, mount, xml } from "../../src";
+import { makeTestFixture } from "../helpers";
+
+let fixture: HTMLElement;
+
+beforeEach(() => {
+  fixture = makeTestFixture();
+});
+
+describe("env handling", () => {
+  test("keeps a reference to env", async () => {
+    const env = {};
+    class Test extends Component {
+      static template = xml`<div/>`;
+    }
+    const app = new App(Test);
+    app.configure({ env });
+    const component = await app.mount(fixture);
+    expect(component.env).toBe(env);
+  });
+
+  test("has an env by default", async () => {
+    class Test extends Component {
+      static template = xml`<div/>`;
+    }
+    const component = await mount(Test, fixture);
+    expect(component.env).toEqual({});
+  });
+
+  test("parent env is propagated to child components", async () => {
+    const env = {};
+    let child: any = null;
+
+    class Child extends Component {
+      static template = xml`<div/>`;
+      setup() {
+        child = this;
+      }
+    }
+
+    class Test extends Component {
+      static template = xml`<Child/>`;
+      static components = { Child };
+    }
+
+    const app = new App(Test);
+    app.configure({ env });
+    await app.mount(fixture);
+    expect(child.env).toBe(env);
+  });
+});