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Fix cart and checkout frontend e2e tests (#4199)
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* Wip: fix e2e fe tests

* Test that navigation ends

* Fix waitForNavigation

* comment out failing php test

* click the dom element

* Ensure navigation happens by waiting for it. Test page title.

* remove skip and update docs

* Revert "comment out failing php test"

This reverts commit 7c40e8c.

* Fix USD from merge conflict

* Add missing check for page title

* Try page.waitForFunction for text search

* test to see checkout page title is correct

* test checkout page url on CI

* unde jest config change

* Fix assertion for checkout page

* remove extra localStorage item remove call

Co-authored-by: Mike Jolley <[email protected]>
Co-authored-by: Nadir Seghir <[email protected]>
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3 people authored May 16, 2021
1 parent a5add04 commit c691494
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23 changes: 12 additions & 11 deletions docs/contributors/javascript-testing.md
Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@ The Blocks plugin follows the same patterns as Gutenberg, therefore for instruct

We have two kinds of JavaScript tests:

- JavaScript unit tests - test APIs, hooks, library functionality that we use to build blocks or expose to plugin authors.
- End-to-end (e2e) tests - test blocks from the user interface.
- JavaScript unit tests - test APIs, hooks, library functionality that we use to build blocks or expose to plugin authors.
- End-to-end (e2e) tests - test blocks from the user interface.

These tests are all run automatically on open PRs by Travis CI.

Expand Down Expand Up @@ -38,18 +38,19 @@ Since these drive the user interface, they need to run against a test environmen

To set up to run e2e tests:

- `npm run build:e2e-test` builds the assets (js/css), you can exclude this step if you've already got built files to test with.
- `npm run wp-env start` to start the test environment
- `npm run build:e2e-test` builds the assets (js/css), you can exclude this step if you've already got built files to test with.
- `npm run wp-env clean` to clean the test env
- `npm run wp-env start` to start the test environment

Then, to run the tests:
Then, to run the tests:

- `npm run test:e2e`
- `npm run test:e2e`

When you're iterating on a new test you'll often run this repeatedly, as you develop, until your test is just right.

When you're done, you may want to shut down the test environment:

- `npm run wp-env stop` to stop the test environment
- `npm run wp-env stop` to stop the test environment

**Note:** There are a number of other useful `wp-env` commands. You can find out more in the [wp-env docs](https://github.com/WordPress/gutenberg/blob/master/packages/env/README.md).

Expand Down Expand Up @@ -81,10 +82,10 @@ For that, we run end-to-end tests against all of those versions, and because we

When a new version of WordPress is released, we drop support for the oldest version we have, so if the latest version is 5.6, we would test against:

- WordPress 5.4
- WordPress 5.5
- WordPress 5.6
- WordPress 5.6 + Gutenberg
- WordPress 5.4
- WordPress 5.5
- WordPress 5.6
- WordPress 5.6 + Gutenberg

When 5.7 is released, we would drop support for 5.4, and update our `./.github/workflows/php-js-e2e-tests.yml` file.

Expand Down
26 changes: 24 additions & 2 deletions tests/e2e/specs/frontend/cart.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,12 @@ describe( `${ block.name } Block (frontend)`, () => {

beforeAll( async () => {
await page.evaluate( () => window.localStorage.clear() );
await page.evaluate( () => {
localStorage.setItem(
'wc-blocks_dismissed_compatibility_notices',
'["checkout","cart"]'
);
} );
await switchUserToAdmin();
cartBlockPermalink = await getBlockPagePermalink(
`${ block.name } Block`
Expand All @@ -48,6 +54,11 @@ describe( `${ block.name } Block (frontend)`, () => {

afterAll( async () => {
await shopper.removeFromCart( 'Woo Single #1' );
await page.evaluate( () => {
localStorage.removeItem(
'wc-blocks_dismissed_compatibility_notices'
);
} );
} );

it( 'Adds a timestamp to localstorage when the cart is updated', async () => {
Expand Down Expand Up @@ -116,8 +127,19 @@ describe( `${ block.name } Block (frontend)`, () => {
expect( selectedValue ).toBeGreaterThan( 1 );

await scrollTo( '.wc-block-cart__submit-button' );
await page.click( '.wc-block-cart__submit-button' );
await page.waitForSelector( '.wc-block-checkout' );
await Promise.all( [
page.waitForNavigation(),
page.click( '.wc-block-cart__submit-button' ),
] );

// go to checkout page
await page.waitForSelector( 'h1' );
let element = await page.$( 'h1' );
let title = await page.evaluate( ( el ) => el.textContent, element );
// shortcode checkout on CI / block on local env
expect( title ).toContain( 'Checkout' );

// navigate back to cart block page
await page.goBack( { waitUntil: 'networkidle0' } );

await page
Expand Down
19 changes: 19 additions & 0 deletions tests/e2e/specs/frontend/checkout.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,18 @@ describe( `${ block.name } Block (frontend)`, () => {
let productPermalink;

beforeAll( async () => {
//prevent CartCheckoutCompatibilityNotice from appearing
await page.evaluate( () => {
localStorage.removeItem(
'wc-blocks_dismissed_compatibility_notices'
);
} );
await page.evaluate( () => {
localStorage.setItem(
'wc-blocks_dismissed_compatibility_notices',
'["checkout"]'
);
} );
await merchant.login();

// Go to general settings page
Expand Down Expand Up @@ -111,12 +123,18 @@ describe( `${ block.name } Block (frontend)`, () => {

afterAll( async () => {
await shopper.removeFromCart( simpleProductName );
await page.evaluate( () => {
localStorage.removeItem(
'wc-blocks_dismissed_compatibility_notices'
);
} );
} );

it( 'should display cart items in order summary', async () => {
await page.goto( productPermalink );
await shopper.addToCart();
await shopper.goToCheckoutBlock();

await shopper.productIsInCheckoutBlock(
simpleProductName,
`1`,
Expand All @@ -128,6 +146,7 @@ describe( `${ block.name } Block (frontend)`, () => {
await page.goto( productPermalink );
await shopper.addToCart();
await shopper.goToCheckoutBlock();

await shopper.productIsInCheckoutBlock(
simpleProductName,
`2`,
Expand Down

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