test(ci): add failing cache config test

test/tap/ci.js

@@ -12,6 +12,7 @@ const test = require('tap').test
 
 const Dir = Tacks.Dir
 const File = Tacks.File
+const cacheDir = common.cache
 const testDir = common.pkg
 
 const EXEC_OPTS = { cwd: testDir }
@@ -47,7 +48,7 @@ test('setup', () => {
  const fixture = new Tacks(Dir({
  'package.json': File(PKG)
  }))
- return rimraf(testDir).then(() => {
+ return Promise.all([rimraf(cacheDir), rimraf(testDir)]).then(() => {
  fixture.create(testDir)
  return mr({port: common.port})
  })
@@ -306,7 +307,35 @@ test('errors if package-lock.json invalid', (t) => {
  )
 })
 
+test('correct cache location when using cache config', (t) => {
+ const fixture = new Tacks(Dir({
+ 'package.json': File(PKG),
+ 'package-lock.json': File(RAW_LOCKFILE)
+ }))
+ return Promise.all([rimraf(cacheDir), rimraf(testDir)])
+ .then(() => fixture.create(cacheDir))
+ .then(() => fixture.create(testDir))
+ .then(() => common.npm([
+ 'ci',
+ `--cache=${cacheDir}`,
+ '--foo=asdf',
+ '--registry', common.registry,
+ '--loglevel', 'warn'
+ ], EXEC_OPTS))
+ .then((ret) => {
+ const code = ret[0]
+ const stderr = ret[2]
+ t.equal(code, 0, 'command completed without error')
+ t.equal(stderr.trim(), '', 'no output on stderr')
+ return fs.readdirAsync(path.join(cacheDir, '_cacache'))
+ })
+ .then((modules) => {
+ t.ok(modules, 'should create _cacache folder')
+ t.end()
+ })
+})
+
 test('cleanup', () => {
  SERVER.close()
- return rimraf(testDir)
+ return Promise.all([rimraf(cacheDir), rimraf(testDir)])
 })