WIP - add extractor, generate snippet_data

node_modules/lockfile/test/retry-time.js

@@ -0,0 +1,67 @@
+// In these tests, we do the following:
+// try for 200ms (rt=2)
+// wait for 300ms
+// try for 200ms (rt=1)
+// wait for 300ms
+// try for 200ms (rt=0)
+// fail after 1200
+// Actual time will be more like 1220-ish for setTimeout irregularity
+// But it should NOT be as slow as 2000.
+
+var lockFile = require('../')
+var touch = require('touch')
+var test = require('tap').test
+var fs = require('fs')
+
+var RETRYWAIT = 100
+var WAIT = 100
+var RETRIES = 2
+var EXPECTTIME = (RETRYWAIT * RETRIES) + (WAIT * (RETRIES + 1))
+var TOOLONG = EXPECTTIME * 1.5
+
+test('setup', function (t) {
+  touch.sync('file.lock')
+  t.end()
+})
+
+var pollPeriods = [10, 100, 10000]
+pollPeriods.forEach(function (pp) {
+  test('retry+wait, poll=' + pp, function (t) {
+    var ended = false
+    var timer = setTimeout(function() {
+      t.fail('taking too long!')
+      ended = true
+      t.end()
+    }, 2000)
+
+    if (timer.unref)
+      timer.unref()
+
+    var start = Date.now()
+    lockFile.lock('file.lock', {
+      wait: WAIT,
+      retries: RETRIES,
+      retryWait: RETRYWAIT,
+      pollPeriod: pp
+    }, function (er) {
+      if (ended) return
+      var time = Date.now() - start
+      t.ok(time >= EXPECTTIME, 'should take at least ' + EXPECTTIME)
+      t.ok(time < TOOLONG, 'should take less than ' + TOOLONG)
+      clearTimeout(timer)
+      t.end()
+    })
+  })
+})
+
+test('cleanup', function (t) {
+  fs.unlinkSync('file.lock')
+  t.end()
+  var timer = setTimeout(function() {
+    process.exit(1)
+  }, 500)
+  if (timer.unref)
+    timer.unref()
+  else
+    clearTimeout(timer)
+})