facebook · threepointone · Apr 3, 2019 · Apr 3, 2019 · Apr 3, 2019 · Apr 12, 2019
diff --git a/fixtures/act/.env b/fixtures/act/.env
@@ -0,0 +1 @@
+SKIP_PREFLIGHT_CHECK=true
diff --git a/fixtures/act/.gitignore b/fixtures/act/.gitignore
@@ -0,0 +1,23 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
diff --git a/fixtures/act/README.md b/fixtures/act/README.md
@@ -0,0 +1,6 @@
+act() fixtures
+---
+
+- `yarn`
+- `yarn start` - follow instructions on the page 
+- `yarn test` - all green
diff --git a/fixtures/act/package.json b/fixtures/act/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "act",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "art": "^0.10.3",
+    "react": "^16.8.6",
+    "react-dom": "^16.8.6",
+    "react-scripts": "2.1.8"
+  },
+  "scripts": {
+    "prestart": "cp -a ../../build/node_modules/. node_modules",
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": "react-app"
+  },
+  "browserslist": [
+    ">0.2%",
+    "not dead",
+    "not ie <= 11",
+    "not op_mini all"
+  ]
+}
diff --git a/fixtures/act/public/favicon.ico b/fixtures/act/public/favicon.ico
diff --git a/fixtures/act/public/index.html b/fixtures/act/public/index.html
@@ -0,0 +1,42 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="shortcut icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1, shrink-to-fit=no"
+    />
+    <meta name="theme-color" content="#000000" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    this page tests whether act runs properly in a browser. your console should say "5", a warning about not using the right act(), and some act() errors
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>
diff --git a/fixtures/act/public/manifest.json b/fixtures/act/public/manifest.json
@@ -0,0 +1,15 @@
+{
+  "short_name": "React App",
+  "name": "Create React App Sample",
+  "icons": [
+    {
+      "src": "favicon.ico",
+      "sizes": "64x64 32x32 24x24 16x16",
+      "type": "image/x-icon"
+    }
+  ],
+  "start_url": ".",
+  "display": "standalone",
+  "theme_color": "#000000",
+  "background_color": "#ffffff"
+}
diff --git a/fixtures/act/src/index.js b/fixtures/act/src/index.js
@@ -0,0 +1,114 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import ReactTestUtils from 'react-dom/test-utils';
+import ReactTestRenderer from 'react-test-renderer';
+
+import ReactART from 'react-art';
+import ARTSVGMode from 'art/modes/svg';
+import ARTCurrentMode from 'art/modes/current';
+
+const {Shape, Surface} = ReactART;
+
+window.jest = {}; // to enable warnings
+function App() {
+  let [state, setState] = React.useState(0);
+  async function ticker() {
+    await null;
+    setState(x => x + 1);
+  }
+  React.useEffect(
+    () => {
+      ticker();
+    },
+    [Math.min(state, 4)]
+  );
+  return state;
+}
+
+async function testDOMAsynAct() {
+  // from ReactTestUtilsAct-test.js
+
+  const el = document.createElement('div');
+  await ReactTestUtils.act(async () => {
+    ReactDOM.render(React.createElement(App), el);
+  });
+  // all 5 ticks present and accounted for
+  console.log(el.innerHTML);
+}
+
+async function testMixRenderers() {
+  await ReactTestUtils.act(async () => {
+    ReactTestRenderer.create(React.createElement(App));
+  });
+}
+
+async function testARTDOM() {
+  ARTCurrentMode.setCurrent(ARTSVGMode);
+  let setState;
+  function TestComponent(props) {
+    // eslint-disable-next-line no-unused-vars
+    const [state, _setState] = React.useState(0);
+    setState = _setState;
+
+    return (
+      <Surface width={150} height={200}>
+        <Shape
+          fill="#3C5A99"
+          key="b"
+          scale={0.5}
+          x={50}
+          y={50}
+          title="This is an F"
+          cursor="pointer">
+          M64.564,38.583H54l0.008-5.834c0-3.035,0.293-4.666,4.657-4.666
+          h5.833V16.429h-9.33c-11.213,0-15.159,5.654-15.159,15.16v6.994
+          h-6.99v11.652h6.99v33.815H54V50.235h9.331L64.564,38.583z
+        </Shape>
+      </Surface>
+    );
+  }
+  ReactDOM.render(<TestComponent />, window.root);
+  ReactTestUtils.act(() => {
+    setState(2);
+  });
+}
+
+async function testARTTest() {
+  ARTCurrentMode.setCurrent(ARTSVGMode);
+  let setState;
+  function TestComponent(props) {
+    // eslint-disable-next-line no-unused-vars
+    const [state, _setState] = React.useState(0);
+    setState = _setState;
+
+    return (
+      <Surface width={150} height={200}>
+        <Shape
+          fill="#3C5A99"
+          key="b"
+          scale={0.5}
+          x={50}
+          y={50}
+          title="This is an F"
+          cursor="pointer">
+          M64.564,38.583H54l0.008-5.834c0-3.035,0.293-4.666,4.657-4.666
+          h5.833V16.429h-9.33c-11.213,0-15.159,5.654-15.159,15.16v6.994
+          h-6.99v11.652h6.99v33.815H54V50.235h9.331L64.564,38.583z
+        </Shape>
+      </Surface>
+    );
+  }
+  ReactTestRenderer.create(<TestComponent />);
+  ReactTestRenderer.act(() => {
+    setState(2);
+  });
+}
+
+async function run() {
+  await testDOMAsynAct();
+  await testMixRenderers();
+  await testARTDOM();
+  await testARTTest();
+}
+
+run();
diff --git a/fixtures/act/src/index.test.js b/fixtures/act/src/index.test.js
@@ -0,0 +1,78 @@
+import React from 'react';
+import ReactDOM from 'react-dom';
+import TestUtils from 'react-dom/test-utils';
+import TestRenderer from 'react-test-renderer';
+
+let spy;
+beforeEach(() => {
+  spy = jest.spyOn(global.console, 'error');
+});
+
+function confirmWarning() {
+  expect(spy).toHaveBeenCalledWith(
+    expect.stringContaining(
+      "It looks like you're using the wrong act() around your test interactions."
+    ),
+    ''
+  );
+}
+
+function App(props) {
+  return 'hello world';
+}
+
+it("doesn't warn when you use the right act + renderer: dom", () => {
+  TestUtils.act(() => {
+    TestUtils.renderIntoDocument(<App />);
+  });
+  expect(spy).not.toHaveBeenCalled();
+});
+
+it("doesn't warn when you use the right act + renderer: test", () => {
+  TestRenderer.act(() => {
+    TestRenderer.create(<App />);
+  });
+  expect(spy).not.toHaveBeenCalled();
+});
+
+it('warns when using the wrong act version - test + dom: render', () => {
+  TestRenderer.act(() => {
+    TestUtils.renderIntoDocument(<App />);
+  });
+  confirmWarning();
+});
+
+it('warns when using the wrong act version - test + dom: updates', () => {
+  let setCtr;
+  function Counter(props) {
+    const [ctr, _setCtr] = React.useState(0);
+    setCtr = _setCtr;
+    return ctr;
+  }
+  TestUtils.renderIntoDocument(<Counter />);
+  TestRenderer.act(() => {
+    setCtr(1);
+  });
+  confirmWarning();
+});
+
+it('warns when using the wrong act version - dom + test: render', () => {
+  TestUtils.act(() => {
+    TestRenderer.create(<App />);
+  });
+  confirmWarning();
+});
+
+it('warns when using the wrong act version - dom + test: updates', () => {
+  let setCtr;
+  function Counter(props) {
+    const [ctr, _setCtr] = React.useState(0);
+    setCtr = _setCtr;
+    return ctr;
+  }
+  const root = TestRenderer.create(<Counter />);
+  TestUtils.act(() => {
+    setCtr(1);
+  });
+  confirmWarning();
+});