fix: do not enable progress while paused

Ref: npm/cli#4527

Author: lukekarrys

lib/log.js

@@ -79,16 +79,12 @@ log.setGaugeTemplate = function (template) {
 }
 
 log.enableProgress = function () {
-  if (this.progressEnabled) {
+  if (this.progressEnabled || this._paused) {
     return
   }
 
   this.progressEnabled = true
   this.tracker.on('change', this.showProgress)
-  if (this._paused) {
-    return
-  }
-
   this.gauge.enable()
 }
 

test/progress.js

@@ -70,6 +70,7 @@ function didActions (t, msg, output) {
 
 function resetTracker () {
   log.disableProgress()
+  log.resume()
   log.tracker = new Progress.TrackerGroup()
   log.enableProgress()
   actions = []
@@ -213,3 +214,27 @@ test('newStream', function (t) {
   }]])
   t.equal(log.tracker.completed(), 1, 'Overall completion')
 })
+
+test('enableProgress while paused', function (t) {
+  t.plan(2)
+  resetTracker()
+  log.disableProgress()
+  actions = []
+  log.pause()
+  log.enableProgress()
+  didActions(t, 'enableProgress', [])
+  log.enableProgress()
+  didActions(t, 'enableProgress again', [])
+})
+
+test('pause while enableProgress', function (t) {
+  t.plan(8)
+  resetTracker()
+  log.disableProgress()
+  actions = []
+  log.enableProgress()
+  log.pause()
+  didActions(t, 'enableProgress', [['enable'], ['disable']])
+  log.resume()
+  didActions(t, 'enableProgress', [['enable']])
+})