Testing & Production — Chapter Quiz

Question 1

1

Which test setup helper is used for component rendering tests?

AsetupTestBsetupRenderingTestCsetupApplicationTestDsetupComponentTest

setupRenderingTest(hooks) boots just enough of Ember to render one component into a test container — the fastest interactive test layer.

Question 2

2

What does await render(hbs\<MyCard @title="Hi" />\) do?

AMounts the component into the test DOM and waits for settleBSerializes the component to a string for snapshot testingCLogs the rendered outputDSets up Mirage

render mounts the template into the test root element and resolves after the run loop settles — then you can assert with assert.dom(...).

Question 3

3

What does FastBoot give you?

AHot module replacementBServer-side rendering for the initial pageCNative mobile buildsDA faster development server

FastBoot runs your Ember app on Node and renders the first page as HTML — better SEO, faster perceived load, then hydrate.

Question 4

4

Engines let you split a single Ember app into independently-built sub-apps with their own routes.

TTrueFFalse

ember-engines mounts a sub-app at a parent route. Lazy engines ship as their own bundle and download on demand.

Question 5

5

Which command produces a production build?

Aember buildBember build --productionCember build --environment=productionDember release

ember build --environment=production (or the short alias ember build -prod) writes a minified, fingerprinted app into dist/.

Question 6

6

QUnit's DOM-assertion API from qunit-dom is called via assert.___(selector).

assert.dom('h1').hasText('Hi').hasClass('large') — qunit-dom ships with new Ember apps and chains DOM matchers.

Question 7

7

Which of these are Ember's three test layers?

Select all that apply.

Ember's built-in layers are unit, rendering, and application. Snapshot and property-based testing can be added but are not part of the framework's defaults.

Question 8

8

What is ember-cli-deploy?

AA pluggable deployment pipeline addon for Ember appsBA CDN service hosted by the Ember teamCA replacement for ember-cliDA build cache

ember-cli-deploy defines a pipeline with plugins for hosts (S3, Cloudflare), index storage (Redis), notifications, and atomic revisions for instant rollback.

Test what you learned.