Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add file for test prop updates lesson on branch tjs #14

Merged
merged 2 commits into from
Jan 30, 2020
Merged

Add file for test prop updates lesson on branch tjs #14

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
63f6eca
Add prop-updates 01 and 02
zacjones93 Jan 30, 2020
36f3d56
Delete prop-updates.js
zacjones93 Jan 30, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Next Next commit
Add prop-updates 01 and 02
  • Loading branch information
@zacjones93
zacjones93 authored Jan 30, 2020
commit 63f6ecada87a130d61b5df4565bae907f1bf91bd
16 changes: 16 additions & 0 deletions src/__tests__/prop-updates-01.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
import React from 'react'
import user from '@testing-library/user-event'
import {render} from '@testing-library/react'
import {FavoriteNumber} from '../favorite-number'

test('entering an invalid value shows an error message', () => {
const {getByLabelText, getByRole, rerender, debug} = render(
<FavoriteNumber />,
)
const input = getByLabelText(/favorite number/i)
user.type(input, '10')
expect(getByRole('alert')).toHaveTextContent(/the number is invalid/i)
debug()
rerender(<FavoriteNumber max={10} />)
debug()
})
15 changes: 15 additions & 0 deletions src/__tests__/prop-updates-02.js
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
import React from 'react'
import user from '@testing-library/user-event'
import {render} from '@testing-library/react'
import {FavoriteNumber} from '../favorite-number'

test('entering an invalid value shows an error message', () => {
const {getByLabelText, getByRole, queryByRole, rerender} = render(
<FavoriteNumber />,
)
const input = getByLabelText(/favorite number/i)
user.type(input, '10')
expect(getByRole('alert')).toHaveTextContent(/the number is invalid/i)
rerender(<FavoriteNumber max={10} />)
expect(queryByRole('alert')).toBeNull()
})