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'use strict'
const common = require('../common-tap.js')
const getStream = require('get-stream')
const mkdirp = require('mkdirp')
const path = require('path')
const Tacks = require('tacks')
const {test} = require('tap')
const {File} = Tacks
const _createCacheEntryStream = require('../../lib/search/all-package-metadata.js')._createCacheEntryStream
// this test uses a fresh cache for each test block
// create them all in common.cache so that we can verify
// them for root-owned files in sudotest
let CACHE_DIR
let cacheCounter = 1
const chownr = require('chownr')
function setup () {
CACHE_DIR = common.cache + '/' + cacheCounter++
mkdirp.sync(CACHE_DIR)
fixOwner(CACHE_DIR)
}
const fixOwner = (
process.getuid && process.getuid() === 0 &&
process.env.SUDO_UID && process.env.SUDO_GID
) ? (path) => chownr.sync(path, +process.env.SUDO_UID, +process.env.SUDO_GID)
: () => {}
test('createCacheEntryStream basic', t => {
setup()
const cachePath = path.join(CACHE_DIR, '.cache.json')
const fixture = new Tacks(File({
'_updated': 1234,
bar: {
name: 'bar',
version: '1.0.0'
},
foo: {
name: 'foo',
version: '1.0.0'
}
}))
fixture.create(cachePath)
fixOwner(cachePath)
return _createCacheEntryStream(cachePath, {}).then(({
updateStream: stream,
updatedLatest: latest
}) => {
t.equals(latest, 1234, '`latest` correctly extracted')
t.ok(stream, 'returned a stream')
return getStream.array(stream).then(results => {
t.deepEquals(results, [{
name: 'bar',
version: '1.0.0'
}, {
name: 'foo',
version: '1.0.0'
}])
})
})
})
test('createCacheEntryStream empty cache', t => {
setup()
const cachePath = path.join(CACHE_DIR, '.cache.json')
const fixture = new Tacks(File({}))
fixture.create(cachePath)
fixOwner(cachePath)
return _createCacheEntryStream(cachePath, {}).then(
() => { throw new Error('should not succeed') },
err => {
t.ok(err, 'returned an error because there was no _updated')
t.match(err.message, /Empty or invalid stream/, 'useful error message')
}
)
})
test('createCacheEntryStream no entry cache', t => {
setup()
const cachePath = path.join(CACHE_DIR, '.cache.json')
const fixture = new Tacks(File({
'_updated': 1234
}))
fixture.create(cachePath)
fixOwner(cachePath)
return _createCacheEntryStream(cachePath, {}).then(({
updateStream: stream,
updatedLatest: latest
}) => {
t.equals(latest, 1234, '`latest` correctly extracted')
t.ok(stream, 'returned a stream')
return getStream.array(stream).then(results => {
t.deepEquals(results, [], 'no results')
})
})
})
test('createCacheEntryStream missing cache', t => {
setup()
const cachePath = path.join(CACHE_DIR, '.cache.json')
return _createCacheEntryStream(cachePath, {}).then(
() => { throw new Error('should not succeed') },
err => {
t.ok(err, 'returned an error because there was no cache')
t.equals(err.code, 'ENOENT', 'useful error message')
}
)
})
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