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'use strict'
require('../common-tap.js')
const getStream = require('get-stream')
const mkdirp = require('mkdirp')
const path = require('path')
const rimraf = require('rimraf')
const Tacks = require('tacks')
const {test} = require('tap')
const {File} = Tacks
const _createCacheEntryStream = require('../../lib/search/all-package-metadata.js')._createCacheEntryStream
const PKG_DIR = path.resolve(__dirname, 'create-cache-entry-stream')
const CACHE_DIR = path.resolve(PKG_DIR, 'cache')
function setup () {
mkdirp.sync(CACHE_DIR)
}
function cleanup () {
rimraf.sync(PKG_DIR)
}
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)
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'
}])
cleanup()
})
})
})
test('createCacheEntryStream empty cache', t => {
setup()
const cachePath = path.join(CACHE_DIR, '.cache.json')
const fixture = new Tacks(File({}))
fixture.create(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')
cleanup()
}
)
})
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)
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')
cleanup()
})
})
})
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')
cleanup()
}
)
})
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