almost done

finished-application/frontend/__tests__/Cart.test.js

@@ -1,10 +1,8 @@
-import React from 'react';
-import { shallow, mount } from 'enzyme';
+import { mount } from 'enzyme';
 import toJSON from 'enzyme-to-json';
-import mountOptions from '../lib/testUtils';
 import wait from 'waait';
-import Cart from '../components/Cart';
 import { MockedProvider } from 'react-apollo/test-utils';
+import Cart from '../components/Cart';
 import { fakeCartItem, fakeUser } from '../lib/testUtils';
 import { CURRENT_USER_QUERY } from '../components/User';
 import { LOCAL_STATE_QUERY } from '../components/Cart';

stepped-solutions/62/frontend/__tests__/Nav.test.js

@@ -0,0 +1,76 @@
+import { mount } from 'enzyme';
+import wait from 'waait';
+import toJSON from 'enzyme-to-json';
+import Nav from '../components/Nav';
+import { CURRENT_USER_QUERY } from '../components/User';
+import { MockedProvider } from 'react-apollo/test-utils';
+import { fakeUser, fakeCartItem } from '../lib/testUtils';
+
+const notSignedInMocks = [
+  {
+    request: { query: CURRENT_USER_QUERY },
+    result: { data: { me: null } },
+  },
+];
+
+const signedInMocks = [
+  {
+    request: { query: CURRENT_USER_QUERY },
+    result: { data: { me: fakeUser() } },
+  },
+];
+
+const signedInMocksWithCartItems = [
+  {
+    request: { query: CURRENT_USER_QUERY },
+    result: {
+      data: {
+        me: {
+          ...fakeUser(),
+          cart: [fakeCartItem(), fakeCartItem(), fakeCartItem()],
+        },
+      },
+    },
+  },
+];
+
+describe('<Nav/>', () => {
+  it('renders a minimal nav when signed out', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={notSignedInMocks}>
+        <Nav />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    // console.log(wrapper.debug());
+    const nav = wrapper.find('ul[data-test="nav"]');
+    expect(toJSON(nav)).toMatchSnapshot();
+  });
+
+  it('renders full nav when signed in', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={signedInMocks}>
+        <Nav />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    const nav = wrapper.find('ul[data-test="nav"]');
+    expect(nav.children().length).toBe(6);
+    expect(nav.text()).toContain('Sign Out');
+  });
+
+  it('renders the amount of items in the cart', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={signedInMocksWithCartItems}>
+        <Nav />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    const nav = wrapper.find('[data-test="nav"]');
+    const count = nav.find('div.count');
+    expect(toJSON(count)).toMatchSnapshot();
+  });
+});

stepped-solutions/62/frontend/__tests__/Pagination.test.js

@@ -0,0 +1,89 @@
+import { mount } from 'enzyme';
+import wait from 'waait';
+import toJSON from 'enzyme-to-json';
+import Router from 'next/router';
+import Pagination, { PAGINATION_QUERY } from '../components/Pagination';
+import { MockedProvider } from 'react-apollo/test-utils';
+
+Router.router = {
+  push() {},
+  prefetch() {},
+};
+
+function makeMocksFor(length) {
+  return [
+    {
+      request: { query: PAGINATION_QUERY },
+      result: {
+        data: {
+          itemsConnection: {
+            __typename: 'aggregate',
+            aggregate: {
+              count: length,
+              __typename: 'count',
+            },
+          },
+        },
+      },
+    },
+  ];
+}
+
+describe('<Pagination/>', () => {
+  it('displays a loading message', () => {
+    const wrapper = mount(
+      <MockedProvider mocks={makeMocksFor(1)}>
+        <Pagination page={1} />
+      </MockedProvider>
+    );
+    const pagination = wrapper.find('[data-test="pagination"]');
+    expect(wrapper.text()).toContain('Loading...');
+  });
+
+  it('renders pagination for 18 items', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={makeMocksFor(18)}>
+        <Pagination page={1} />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    expect(wrapper.find('.totalPages').text()).toEqual('5');
+    const pagination = wrapper.find('div[data-test="pagination"]');
+    expect(toJSON(pagination)).toMatchSnapshot();
+  });
+
+  it('disables prev button on first page', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={makeMocksFor(18)}>
+        <Pagination page={1} />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    expect(wrapper.find('a.prev').prop('aria-disabled')).toEqual(true);
+    expect(wrapper.find('a.next').prop('aria-disabled')).toEqual(false);
+  });
+  it('disables next button on last page', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={makeMocksFor(18)}>
+        <Pagination page={5} />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    expect(wrapper.find('a.prev').prop('aria-disabled')).toEqual(false);
+    expect(wrapper.find('a.next').prop('aria-disabled')).toEqual(true);
+  });
+  it('enables all buttons on a middle page', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={makeMocksFor(18)}>
+        <Pagination page={3} />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    expect(wrapper.find('a.prev').prop('aria-disabled')).toEqual(false);
+    expect(wrapper.find('a.next').prop('aria-disabled')).toEqual(false);
+  });
+});

stepped-solutions/62/frontend/__tests__/PleaseSignIn.test.js

@@ -0,0 +1,51 @@
+import { mount } from 'enzyme';
+import wait from 'waait';
+import PleaseSignIn from '../components/PleaseSignIn';
+import { CURRENT_USER_QUERY } from '../components/User';
+import { MockedProvider } from 'react-apollo/test-utils';
+import { fakeUser } from '../lib/testUtils';
+
+const notSignedInMocks = [
+  {
+    request: { query: CURRENT_USER_QUERY },
+    result: { data: { me: null } },
+  },
+];
+
+const signedInMocks = [
+  {
+    request: { query: CURRENT_USER_QUERY },
+    result: { data: { me: fakeUser() } },
+  },
+];
+
+describe('<PleaseSignIn/>', () => {
+  it('renders the sign in dialog to logged out users', async () => {
+    const wrapper = mount(
+      <MockedProvider mocks={notSignedInMocks}>
+        <PleaseSignIn />
+      </MockedProvider>
+    );
+    await wait();
+    wrapper.update();
+    expect(wrapper.text()).toContain('Please Sign In before Continuing');
+    const SignIn = wrapper.find('Signin');
+    expect(SignIn.exists()).toBe(true);
+  });
+
+  it('renders the child component when the user is signed in', async () => {
+    const Hey = () => <p>Hey!</p>;
+    const wrapper = mount(
+      <MockedProvider mocks={signedInMocks}>
+        <PleaseSignIn>
+          <Hey />
+        </PleaseSignIn>
+      </MockedProvider>
+    );
+
+    await wait();
+    wrapper.update();
+    // expect(wrapper.find('Hey').exists()).toBe(true);
+    expect(wrapper.contains(<Hey />)).toBe(true);
+  });
+});

stepped-solutions/62/frontend/__tests__/__snapshots__/Nav.test.js.snap

@@ -0,0 +1,37 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<Nav/> renders a minimal nav when signed out 1`] = `
+<ul
+  className="NavStyles-s11c0d2g-0 ddqXnG"
+  data-test="nav"
+>
+  <Link
+    href="/items"
+  >
+    <a
+      href="/items"
+      onClick={[Function]}
+    >
+      Shop
+    </a>
+  </Link>
+  <Link
+    href="/signup"
+  >
+    <a
+      href="/signup"
+      onClick={[Function]}
+    >
+      Sign In
+    </a>
+  </Link>
+</ul>
+`;
+
+exports[`<Nav/> renders the amount of items in the cart 1`] = `
+<div
+  className="count CartCount__Dot-xxvp4g-1 fJsVOg"
+>
+  9
+</div>
+`;

stepped-solutions/62/frontend/__tests__/__snapshots__/Pagination.test.js.snap

@@ -0,0 +1,67 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<Pagination/> renders pagination for 18 items 1`] = `
+<div
+  className="PaginationStyles-aduuar-0 ewJsCc"
+  data-test="pagination"
+>
+  <SideEffect(Head)>
+    <Head />
+  </SideEffect(Head)>
+  <Link
+    href={
+      Object {
+        "pathname": "items",
+        "query": Object {
+          "page": 0,
+        },
+      }
+    }
+    prefetch={true}
+  >
+    <a
+      aria-disabled={true}
+      className="prev"
+      href="items?page=0"
+      onClick={[Function]}
+    >
+      ← Prev
+    </a>
+  </Link>
+  <p>
+    Page 
+    1
+     of
+    <span
+      className="totalPages"
+    >
+      5
+    </span>
+    !
+  </p>
+  <p>
+    18
+     Items Total
+  </p>
+  <Link
+    href={
+      Object {
+        "pathname": "items",
+        "query": Object {
+          "page": 2,
+        },
+      }
+    }
+    prefetch={true}
+  >
+    <a
+      aria-disabled={false}
+      className="next"
+      href="items?page=2"
+      onClick={[Function]}
+    >
+      Next →
+    </a>
+  </Link>
+</div>
+`;

stepped-solutions/62/frontend/components/Nav.js

@@ -0,0 +1,49 @@
+import Link from 'next/link';
+import { Mutation } from 'react-apollo';
+import { TOGGLE_CART_MUTATION } from './Cart';
+import NavStyles from './styles/NavStyles';
+import User from './User';
+import CartCount from './CartCount';
+import Signout from './Signout';
+
+const Nav = () => (
+  <User>
+    {({ data: { me } }) => (
+      <NavStyles data-test="nav">
+        <Link href="/items">
+          <a>Shop</a>
+        </Link>
+        {me && (
+          <>
+            <Link href="/sell">
+              <a>Sell</a>
+            </Link>
+            <Link href="/orders">
+              <a>Orders</a>
+            </Link>
+            <Link href="/me">
+              <a>Account</a>
+            </Link>
+            <Signout />
+            <Mutation mutation={TOGGLE_CART_MUTATION}>
+              {(toggleCart) => (
+                <button onClick={toggleCart}>
+                  My Cart
+                  <CartCount count={me.cart.reduce((tally, cartItem) => tally + cartItem.quantity, 0)}></CartCount>
+                </button>
+              )}
+            </Mutation>
+          </>
+        )}
+        {!me && (
+          <Link href="/signup">
+            <a>Sign In</a>
+          </Link>
+
+        )}
+      </NavStyles>
+    )}
+  </User>
+);
+
+export default Nav;