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posthog/plugin-server/jest.setup.fetch-mock.js

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const { readFileSync } = require('fs')
const { DateTime } = require('luxon')
const { join } = require('path')
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jest.mock('node-fetch', () => {
const responsesToUrls = {
'https://google.com/results.json?query=fetched': { count: 2, query: 'bla', results: [true, true] },
'https://mmdbcdn.posthog.net/': readFileSync(join(__dirname, 'tests', 'assets', 'GeoLite2-City-Test.mmdb.br')),
'https://app.posthog.com/api/event?token=THIS+IS+NOT+A+TOKEN+FOR+TEAM+2': { hello: 'world' },
}
const headersToUrls = {
'https://mmdbcdn.posthog.net/': new Map([
['content-type', 'vnd.maxmind.maxmind-db'],
['content-disposition', `attachment; filename="GeoLite2-City-${DateTime.local().toISODate()}.mmdb"`],
]),
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}
return jest.fn(
(url, options) =>
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new Promise((resolve) =>
resolve({
buffer: () => new Promise((resolve) => resolve(responsesToUrls[url]) || Buffer.from('fetchmock')),
json: () => new Promise((resolve) => resolve(responsesToUrls[url]) || { fetch: 'mock' }),
text: () => new Promise((resolve) => resolve(JSON.stringify(responsesToUrls[url])) || 'fetchmock'),
status: () => (options.method === 'PUT' ? 201 : 200),
headers: headersToUrls[url],
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})
)
)
})