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test.js
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test.js
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require = require('esm')(module)
const { default: parse } = require('.')
describe('parsing a proper link header with next and last', () => {
const link =
'<https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=2&per_page=100>; rel="next", ' +
'<https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=3&per_page=100>; rel="last"'
const res = parse(link)
test('parses out link, page and perPage for next and last', () => {
expect(res).toEqual(
{
next:
{
client_id: '1',
client_secret: '2',
page: '2',
per_page: '100',
rel: 'next',
url: 'https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=2&per_page=100'
},
last:
{
client_id: '1',
client_secret: '2',
page: '3',
per_page: '100',
rel: 'last',
url: 'https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=3&per_page=100'
}
})
})
})
describe('handles unquoted relationships', () => {
const link =
'<https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=2&per_page=100>; rel=next, ' +
'<https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=3&per_page=100>; rel=last'
const res = parse(link)
test('parses out link, page and perPage for next and last', () => {
expect(res).toEqual(
{
next:
{
client_id: '1',
client_secret: '2',
page: '2',
per_page: '100',
rel: 'next',
url: 'https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=2&per_page=100'
},
last:
{
client_id: '1',
client_secret: '2',
page: '3',
per_page: '100',
rel: 'last',
url: 'https://api.github.com/user/9287/repos?client_id=1&client_secret=2&page=3&per_page=100'
}
})
})
})
describe('parsing a proper link header with next, prev and last', () => {
const linkHeader =
'<https://api.github.com/user/9287/repos?page=3&per_page=100>; rel="next", ' +
'<https://api.github.com/user/9287/repos?page=1&per_page=100>; rel="prev", ' +
'<https://api.github.com/user/9287/repos?page=5&per_page=100>; rel="last"'
const res = parse(linkHeader)
test('parses out link, page and perPage for next, prev and last', () => {
expect(res).toEqual(
{
next:
{
page: '3',
per_page: '100',
rel: 'next',
url: 'https://api.github.com/user/9287/repos?page=3&per_page=100'
},
prev:
{
page: '1',
per_page: '100',
rel: 'prev',
url: 'https://api.github.com/user/9287/repos?page=1&per_page=100'
},
last:
{
page: '5',
per_page: '100',
rel: 'last',
url: 'https://api.github.com/user/9287/repos?page=5&per_page=100'
}
})
})
})
describe('parsing an empty link header', () => {
const linkHeader = ''
const res = parse(linkHeader)
test('returns null', () => expect(res).toEqual(null))
})
describe('parsing a proper link header with next and a link without rel', () => {
const linkHeader =
'<https://api.github.com/user/9287/repos?page=3&per_page=100>; rel="next", ' +
'<https://api.github.com/user/9287/repos?page=1&per_page=100>; pet="cat", '
const res = parse(linkHeader)
test('parses out link, page and perPage for next only', () => {
expect(res).toEqual(
{
next:
{
page: '3',
per_page: '100',
rel: 'next',
url: 'https://api.github.com/user/9287/repos?page=3&per_page=100'
}
})
})
})
describe('parsing a proper link header with next and properties besides rel', () => {
const linkHeader =
'<https://api.github.com/user/9287/repos?page=3&per_page=100>; rel="next"; hello="world"; pet="cat"'
const res = parse(linkHeader)
test('parses out link, page and perPage for next and all other properties', () => {
expect(res).toEqual(
{
next:
{
page: '3',
per_page: '100',
rel: 'next',
hello: 'world',
pet: 'cat',
url: 'https://api.github.com/user/9287/repos?page=3&per_page=100'
}
}
)
})
})
describe('parsing a proper link header with a comma in the url', () => {
const linkHeader =
'<https://imaginary.url.notreal/?name=What,+me+worry>; rel="next";'
const res = parse(linkHeader)
test('correctly parses URL with comma', () => {
expect(res).toEqual(
{
next:
{
rel: 'next',
name: 'What, me worry',
url: 'https://imaginary.url.notreal/?name=What,+me+worry'
}
}
)
})
})
describe('parsing a proper link header with a multi-word rel', () => {
const linkHeader =
'<https://imaginary.url.notreal/?name=What,+me+worry>; rel="next page";'
const res = parse(linkHeader)
test('correctly parses multi-word rels', () => {
expect(res).toEqual(
{
page: {
rel: 'page',
name: 'What, me worry',
url: 'https://imaginary.url.notreal/?name=What,+me+worry'
},
next: {
rel: 'next',
name: 'What, me worry',
url: 'https://imaginary.url.notreal/?name=What,+me+worry'
}
}
)
})
})
describe('parsing a proper link header with matrix parameters', () => {
const linkHeader =
'<https://imaginary.url.notreal/segment;foo=bar;baz/item?name=What,+me+worry>; rel="next";'
const res = parse(linkHeader)
test('correctly parses url with matrix parameters', () => {
expect(res).toEqual(
{
next: {
rel: 'next',
name: 'What, me worry',
url: 'https://imaginary.url.notreal/segment;foo=bar;baz/item?name=What,+me+worry'
}
}
)
})
})
describe('multiple links for a single rel rel', () => {
const linkHeader =
'<http://example.com/one>; rel="service",' +
'<http://example.com/two>; rel="service",' +
'<http://example.com/three>; rel="service"'
const res = parse(linkHeader)
test('multiple links for a single rel', () => {
expect(res).toEqual(
{
service: [
{
rel: 'service',
url: 'http://example.com/one'
},
{
rel: 'service',
url: 'http://example.com/two'
},
{
rel: 'service',
url: 'http://example.com/three'
}
]
}
)
})
})