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71 lines
1.7 KiB
71 lines
1.7 KiB
4 years ago
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export const tests = []
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const t = (f) => tests.push(f)
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const fakeFetch = async ({ data, error, ...opts } = {}) => ({
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ok: !opts.status,
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type: 'basic',
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status: 200,
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statusText: 'OK',
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json: async () => ({ data, error }),
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text: async () => JSON.stringify({ data, error }),
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...opts,
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})
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// check url parsing
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t(async ({ eq }) => {
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let url
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fetch = async (arg) => fakeFetch({ url: (url = arg) })
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const pending = getJSON('/test', { query: 'hello world', b: 5 })
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return eq(url, '/test?query=hello%20world&b=5')
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})
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// check that it return the given value
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t(async ({ eq }) => {
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const data = Math.random()
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fetch = (url) => fakeFetch({ url, data })
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return eq(await getJSON('/', { q: 1 }), data)
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})
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// check that it throw an error with the correct message
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t(async ({ eq }) => {
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const error = `oops: ${Math.random()}`
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fetch = (url) => fakeFetch({ url, error })
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return eq(
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await getJSON('/', { q: 1 }).then(
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() => Promise.reject(Error('Should fail')),
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(err) => err.message,
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),
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error,
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)
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})
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// check that it throw if the request is not ok
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t(async ({ eq }) => {
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fetch = (url) =>
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fakeFetch({ url, status: 500, statusText: 'Internal Server Error' })
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return eq(
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await getJSON('/', { q: 1 }).then(
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() => Promise.reject(Error('Should fail')),
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(err) => err.message,
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),
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'Internal Server Error',
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)
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})
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// if fetch fail, the error should not be handled
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t(async ({ eq }) => {
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const error = `oops: ${Math.random()}`
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fetch = (url) => Promise.reject(Error(error))
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return eq(
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await getJSON('/', { q: 1 }).then(
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() => Promise.reject(Error('Should fail')),
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(err) => err.message,
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),
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error,
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)
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})
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export const setup = () => globalThis.fetch
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