Commit graph

39 commits

Author SHA1 Message Date
Thiemo Kreuz 511c74bf72 Make sure to never trigger multiple events
I had to disable ESLint to be allowed to upload this patch. It starts
complaining about something in code I did not even touched. The error
message does not make any sense to me (something about globals being
forbidden in code where I can not spot anything that would be remotely
global).

Change-Id: I6d4b178a65126c4b81b87d99142a6cdc845ae5ee
2019-03-26 12:39:28 -06:00
Ed Sanders e1c4e94b23 build: Update eslint-config-wikimedia to 0.10.0
Also enable jquery ruleset.

Change-Id: Ie1f43d0335ea2aad1e2dd5d86b775316105c3d90
2019-01-31 11:05:33 +01:00
Thiemo Kreuz 357dbc4ff4 Fix copy-paste mistake in linkTitle.test.js
As far as I can see this is not an integration test, because linkTitle.js
does not interact with the document (in contrast to footerLink.js, which
does).

Change-Id: I8b611263020fe597efb63d8a0080b996ffc7dde4
2018-12-20 17:22:20 +00:00
Ed Sanders c74d2e5313 build: Update linters
Bug: T202739
Change-Id: Ie3f68977598f46f7e12b216f8381b2e9dc6d83ad
2018-09-11 10:26:35 -07:00
Stephen Niedzielski abc2026890 Hygiene: replace QUnit assert.equal with strictEqual()
Via jscodeshift:

  jscodeshift \
    -t jscodeshift-recipes/src/qunit-assert-equal-to-strictEqual.js \
    Popups/tests

Also, some very minor manual clean up.

https://github.com/niedzielski/jscodeshift-recipes/blob/5944e50/src/qunit-assert-equal-to-strictEqual.js

Additional change:
* Drop redundant clipPath parameter from createThumbnailElement - this
parameter does not exist in the function signature.

Change-Id: I209ecf2d54b6f5c17767aa2041d8f11cb368a9b5
2018-06-18 19:48:16 +00:00
Stephen Niedzielski ae44042cbf Hygiene: add assertion messages
Change-Id: Ic0a47bd468532824e8648c3f6371cc403896603c
2018-05-08 15:55:23 -05:00
Stephen Niedzielski cb362d125c Hygiene: replace calledOnce / Twice w/ callCount
Replace all test assertions for calledOnce / Twice with callCount.
assert.ok( calledOnce / Twice ) only lets the dev know that a test
fails. assert.strictEqual( callCount, EXPECTATION ) starts the debugging
process when it fails since it provides the difference in the failure
output. strictEqual() was deliberately used since it's a saner default
and the codebase already favors === equivalency checks.

  find tests -name \*.js|
  xargs -rd\\n sed -ri '
    s%ok\(([^,]+)calledOnce%strictEqual(\1callCount, 1%g;
    s%ok\(([^,]+)calledTwice%strictEqual(\1callCount, 2%g;
  '

Change-Id: I07c3c6d20e07c5b8107583a01d820e3fbd68a4e1
2018-05-08 15:01:16 -05:00
Stephen Niedzielski 57762e0417 Hygiene: favor const
Bug: T165036
Change-Id: I17d374eaac6627ca6a8ba178862b2a9cff2538c0
2018-03-21 10:44:24 +00:00
Stephen Niedzielski 0bee0906d4 Hygiene: replace var with let and const
eslint \
    --cache \
    --max-warnings 0 \
    --report-unused-disable-directives \
    --fix \
    src tests

Change-Id: I051275126ae7fa9affd16c2504017c0584f2d9c7
2018-03-20 14:14:02 -05:00
Stephen Niedzielski ece4670710 Hygiene: use arrow for anonymous functions
In some places, the arrow function seems more natural. This patch
approximates the following with manual amendments:

  find \
    -not \( \( -name node_modules -o -name .git -o -name vendor -o -name doc -o -name resources \) -prune \) \
    -iname \*.js|
  xargs -rd\\n sed -ri 's%function\s*(\([^)]*\))%\1 =>%g'

Files to focus on were identified with:

  rg -slg\!/resources/dist/ -g\!/i18n/ -g\!/doc/ 'this|self|arguments|bind|call|apply|new'|
  xargs -rd\\n git difftool -y

Bug: T165036
Change-Id: Ic66b6000b8fc000f9bfde39749f9cfa69924a13c
2018-03-20 09:27:08 -05:00
Stephen Niedzielski a67466acc0 Hygiene: replace obvious function methods
Replace easily identifiable object functions with method syntax:

  find \
    -not \( \( -name node_modules -o -name .git -o -name vendor -o -name doc -o -name resources \) -prune \) \
    -iname \*.js|
  xargs -rd\\n sed -ri 's%:\s*function\s*(\([^)]*\))%\1%g'

Bug: T165036
Change-Id: I90693ee99a6a36dff820dd5ae6f6000429763058
2018-03-20 09:27:07 -05:00
Stephen Niedzielski a2a743d775 Hygiene: use object shorthand where obvious
Approximately:

  find \
    -not \( \( -name node_modules -o -name .git -o -name vendor -o -name doc -o -name resources \) -prune \) \
    -iname \*.js|
  xargs -rd\\n sed -ri 's%(\b\S+\b)\s*:\s*\b\1\b%\1%g'

Bug: T165036
Change-Id: I48869dc93b66f908e070288eb2f035bb064993e3
2018-03-20 09:26:20 -05:00
jdlrobson 535149c16c Upgrade schema and log the required fields
This change updates the schema and begins to log
additional information such as source_namespace, id
and title. This information is provided inside the
boot action.

Additional changes:
* Allow camel case in bundle artifact

Bug: T184793
Bug: T186728
Change-Id: I425ffecc018bef2958d0dfe957a40a065e3e6c56
2018-02-26 10:25:30 -08:00
Sam Smith 35daa2a689 Hygiene: Page view -> Pageview
Pageview is consistent with verbiage used by Research and Analytics
Engineering in their reports and documentation, e.g.
https://wikitech.wikimedia.org/wiki/Analytics/Pageviews.

Bug: T184793
Change-Id: I8ae085b4af85aa72f234f3db27f0cac2c4d014e5
2018-02-21 18:51:49 +00:00
jdlrobson a702c0f499 Capture page view-like interactions
* New action added PREVIEW_SEEN
* The action will be used to signal that a page view needs
to be recorded.
* PREVIEW_SEEN is a delayed action which is triggered
as a side-effect of the previewShow action. It is only dispatched
if the user is still previewing the same card and the page
related to the card has preview type `page`
* The pageview changelistener is added when
$wgPopupsVirtualPageViews is set to true.
* The page view changelistener listens for page views and logs
them using EventLogging when needed using
https://meta.wikimedia.org/wiki/Schema:VirtualPageView

Note:
* Currently if a user has enabled the DNT header, the
event will not be logged. There is ongoing discussion on the
ticket and fixing this will be addressed separately.
* Only title and referrer are logged in the initial version.
The task demands that "namespace" is logged but this information
is not provided by the summary endpoints we use so will need
to be added later (if indeed needed) either via a change to that
endpoint of by using JavaScript to parse the URL.

Bug: T184793
Change-Id: Id1fe34e4bdada3a41f0d888a753af366d4756590
2018-02-16 23:03:33 +00:00
Jan Drewniak f4d04b95b6 Updating mw-node-qunit to v3
Fixes tests for sinon v4, which is a dependency of mw-node-qunit v3.

Bug: T180255
Change-Id: I8c7b703f81140e06546aa954f98b8766f5225ff5
2018-02-08 12:20:52 +01:00
joakin 807100bcca Limit line length to 80 characters
Enforce it with eslint.

Ignore:
* Comment lines with eslint disable directives
* QUnit test lines as they contain long subjects (QUnit.* (only, test,
  module, skip, etc)
* Strings, since long strings are used extensively in tests
  * Ignore template literals for similar reasons
* Regex literals as they may be too long, but can't be easily
  split in several lines
* Long urls

See bug for more general proposal for eslint-wikimedia-config.

Bug: T185295
Change-Id: I3aacaf46e61a4d96547c513073e179ef997deb09
2018-01-19 14:20:39 +01:00
Baha 58cdac8882 Schema:Popups - use revision 17430287
Event timestamp (as reported by `window.performance.now()`) is also sent
along with every action.

Bug: T180036
Change-Id: Ie3a648298005d51b8b4fbaa6a53e78caf50fa2d3
2017-11-17 12:49:22 -05:00
Baha 3ac3769aa7 Remove event logging duplication detection and logging
We haven't seen the PP EventLogging instrumentation produce duplicate events
for weeks.

Bug: T172106
Change-Id: I6f3d7c0cdbf23161f63259e4d20d8a710376468b
2017-08-16 11:46:35 -04:00
joakin e6081106f1 Use EcmaScript modules instead of common.js modules
Why: Because they are the approved standard by TC39 and Ecma for
JavaScript modules.

Changes:
  * Wrap mw-node-qunit in run.js to register babel to transpile modules
    for node v6
  * Change all sources in src/ to use ES modules
    * Change constants.js to be able to run without
      jQuery.bracketedDevicePixelRatio given ES modules are hoisted to
      the top by spec so we can't patch globals before importing it
  * Change all tests in tests/node-qunit/ to use ES modules
  * Drop usage of mock-require given ES modules are easy to stub with
    sinon

Additional changes:
  * Rename tests/node-qunit/renderer.js to renderer.test.js to follow
    the convention of all the other files
  * Make npm run test:node run only .test.js test files so that it
    doesn't run the stubs.js or run.js file.

Bug: T171951
Change-Id: I17a0b76041d5e2fd18e2d54950d9d7c0db99a941
2017-07-31 23:05:44 +00:00
joakin 31fa60d32c Hygiene: Move ui renderer.js to ui/ folder
Seems appropiate to group the UI portions of the source under a ui
folder.

Bug: T171951
Change-Id: I6d4317abea4e2a8e273e13fc40a7445bb54628ef
2017-07-31 19:11:41 +00:00
Piotr Miazga 426356e822 Remove duplicate events filtering
We had instrumentation for over 4 weeks and duplicate events rate
was very low. We want to keep stats so we check the duplicate events
rate but there is no need to filter those.

Bug: T167365
Change-Id: I72585beb21e9db589e45eeace657ef25f432abc9
2017-07-06 17:38:42 +02:00
Piotr Miazga 450e6bc34c Allow events without linkInteractionToken to be logged
Changes:
 - when event doesn't have linkInteractionToken do not check for
   duplicated tokens
 - hygiene, move event duplication logic into separate functions
   for better readability

Bug: T168449
Change-Id: I3ae197567ec9f67e104af109d4f1a1c1a6769d32
2017-06-30 18:03:40 +02:00
Sam Smith 67eb3b1dcf i13n: Log EL events with mw.track
Currently, the mw.eventLog.Schema class samples per pageview. However,
we expect that if a user is bucketed for a session, then all
EventLogging events logged during that session are in the sample.

Moreover, loading the class in the way that we did - asynchronously,
using mw.loader#using - introduced an issue where the eventLogging
change listener would subscribe in the next tick of the JavaScript VM's
event loop and miss the "pageLoaded" event being queued (see T167273).

Changes:
* Make the schema module follow the form of the statsvInstrumentation
  module, i.e. make it expose the #isEnabled method, and add the
  associated getEventLoggingTracker function.
* Update the eventLogging change listener accept the tracker returned by
  getEventLoggingTracker.
* Update/fix related JSDoc documentation.

Bug: T167236
Bug: T167273
Change-Id: I4f653bbaf1bbc2c2f70327e338080e17cd3443d4
2017-06-17 00:51:32 +00:00
joakin 293d7ebe8d Clear interaction after an event for it is logged in EL
Given that interactions end up with an event logged, there shouldn't be
a reason to keep an interaction active after it's corresponding final
event has been logged. See Tbayer's state graph.

This patch removes the current interaction if an event with that token
is logged, effectively finalizing it and making it impossible for the
token to be reused from the state tree again.

Additional changes:
* Pass the logged event with the action EVENT_LOGGED so that the reducer
  can determine if it needs to do anything else.
* Since the interaction is removed, when undefined, guard against
  actions that use state.interaction freely. (Only allow BOOT,
  LINK_PREVIEW, and EVENT_LOGGED)

Bug: T161769
Bug: T163198
Change-Id: I99fd5716dc17da32929b6e8ae4aa164f9d84c387
2017-05-16 11:25:41 +02:00
Sam Smith c44fddf8cd eventLogging: Discard events with duplicate tokens
I6a38a261 made the eventLogging change listener count and discard
duplicate events and count duplicate tokens.

While we isolate the issue(s) that lead to duplication (reuse, likely)
of tokens, make the eventLogging change listener discard events with
duplicate tokens as well.

Bug: T161769
Bug: T163198
Change-Id: I0dbb16c37814d39d7aec35c8fb7cc7309704c550
2017-05-10 11:43:05 +01:00
Sam Smith 79f3b318d0 Track and discard duplicate enqueued events
The eventLogging change listener is responsible for ensuring that the
internal state of Page Previews matches its external state (that
perceived by the user and UA). It does this by logging events with
ext.eventLog.Schema#log. This makes it the perfect place to track and
discard duplicate events enqueued by the Page Previews codebase observed
in T161769.

Make the change listener track events that it's logged by storing hashes
of the dynamic parts of them in memory. If the eventLogging change
listener sees the same event more than once, then it discards it and
increments a counter in StatsD.

This behaviour should be enabled for a matter of days as we should see
whether the duplicate events are being enqueued by the Page Previews
codebase immediately.

Bug: T163198
Change-Id: I6a38a2619d777a76dd45eb7300079e1f07b07b12
2017-04-28 15:12:40 +01:00
Sam Smith 3d0899c0a0 Remove isLoggingEnabled with Null Object pattern
The statsv change listener depended on both the analytics tracking
function and whether it should log metrics to StatsD. We can simplify
the behaviour of the change listener by passing in a function which
doesn't log metrics to StatsD if such logging is disabled.

The change listener is now more isolated from other components.
Moreover, sharing the analytics tracking function with other components
is simpler as there's no repeated code.

Bug: T163198
Change-Id: Ibf4785fa4c27c1ad4739f02410f57412f56ff481
2017-04-27 14:29:04 +01:00
joakin 698a93f5bc Hygiene: QUnit setup -> beforeEach & teardown -> afterEach
The setup and teardown hooks on QUnit.module are deprecated on the
latest versions.

See https://api.qunitjs.com/QUnit/module

mw-node-qunit supports them but we shouldn't be using them.

Bug: T160406
Change-Id: I32c07f22d01d16449a6e37f46ff20c577a1f14c6
2017-04-26 12:34:12 +02:00
joakin 2516299bd2 Hygiene: Lint JS files on tests/node-qunit too
For consistency.

Bug: T160406
Change-Id: I2fd67649e9dc4bdb3b963b8ee70ed0234dbcb5ce
2017-04-26 12:34:12 +02:00
Sam Smith 77943704f8 actions: Add token to PREVIEW_SHOW
Mirroring all other actions that are dispatched after some delay, add
the token to the PREVIEW_SHOW action.

Supporting changes:
* Pass the token to ext.popups.Preview#show so that it can be passed to
  actions#previewShow.

Bug: T159490
Change-Id: I128fd56e770ed09d5d0dc55db73d11b013049c79
2017-04-11 09:26:22 +01:00
Sam Smith da7325a169 changeListeners: Conditionally empty link titles
If the user has disabled PP via the settings dialog or they aren't in
the experimental condition, then link titles shouldn't be emptied.

Because this behavior has to respond to the user enabling/disabling PP
within the same page session, change the linkTitle change listener
rather than conditionally registering it.

Bug: T161277
Change-Id: I53c1a1d3e4436e2ffe08da27da388f394f4e8817
2017-03-30 17:39:39 -07:00
Baha 9a94300858 Log events to statsv for monitoring PagePreviews performance
For logging to work:
1. $wgWMEStatsdBaseUri needs to point to a valid statsv endpoint,
   e.g. 'https://en.wikipedia.org/beacon/statsv'.
2. $wgPopupsStatsvSamplingRate needs to be set. Note that the codebase
   already contains the EventLogging functionality, which is configured
   separately. Separately configuring different logging mechanisms
   allows us to avoid sampling mistakes that may arise while choosing
   one or the other. For example, let's say we want to use EventLogging for
   10% of users and statsv for 5%. We'd sample all users into two
   buckets: 50/50. And then we'd have to set the sampling rates as
   20% and 10% respectively, only because of the bucketing above. To avoid
   this kind of complications, separate sampling rates are used for each
   logging mechanism. This, of course, may result in situations where a
   session is logged via both EventLogging and statsv.
3. The WikimediaEvents extension needs to be installed. The extension
   adds the `ext.wikimediaEvents` module to the output page. The
   logging functionality is delegated to this module.

Notable changes:
* The FETCH_START and FETCH_END actions are converted to a timed action.
* The experiments stub used in tests has been extracted to the stubs
  file.

Logged data is visualized at
https://grafana.wikimedia.org/dashboard/db/reading-web-page-previews

Bug: T157111
Change-Id: If3f1a06f1f623e8e625b6c30a48b7f5aa9de24db
2017-03-14 08:51:10 +00:00
joakin 2ca5fed3ee Tests: Migrate changeListeners/render.test.js to node-qunit
The render change listener is hard coupled to the renderer file, so in
order to migrate the test, instead of stubbing a global variable, we had
to either inject the renderer into the change listener factory as done
everywhere else, or mock the require call.

In order to do one thing per commit, we're mocking the require call
here to get the migration done, but added a FIXME to use dependency
injection instead in a future change.

Change-Id: I50f82cdc9664d34b8a8ccc1ff368f7209404159d
2017-02-22 12:14:05 +01:00
joakin 4e0c054a19 Tests: Migrate changeListeners/syncUserSettings.test.js to node-qunit
Change-Id: I3bf86e0452557e938fe7066978e553d583d974f7
2017-02-22 12:13:38 +01:00
joakin 715389443c Tests: Migrate changeListeners/linkTitle.test.js to node-qunit
Change-Id: I714b8737d61ce3db35852ceb977449c709002537
2017-02-22 12:13:38 +01:00
joakin 010502b9b1 Tests: Migrate changeListeners/footerLink.test.js to node-qunit
Given this is a jsdom environment assertions using jQuery's :visible
have been changed to check the display property for visibility.

See https://github.com/tmpvar/jsdom/issues/1048

Change-Id: Ifad8067c0b50053a94ac977ee1f1f5a3066bfa16
2017-02-22 12:13:37 +01:00
joakin 620c97c53d Test: Migrate changeListeners/settings.test.js to node-qunit
Change-Id: Ic7651133ee2ac6eee68d30b3c7069c26da1abf8b
2017-02-20 20:01:01 +01:00
joakin 600b21182d Test: Migrate eventLoggingChangeListener.test.js to node-qunit
And on the way there actually put it in a changeListeners/ folder and
rename it to eventLogging.test.js

Change-Id: I60685021841b44f606f39b07bf7f5262344262f4
2017-02-20 20:01:01 +01:00