MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / tests / qunit / suites / resources / mediawiki / mediawiki.experiments.test.js

diff --git a/tests/qunit/suites/resources/mediawiki/mediawiki.experiments.test.js b/tests/qunit/suites/resources/mediawiki/mediawiki.experiments.test.js
new file mode 100644 (file)
index 0000000..177c358
--- /dev/null
+++ b/tests/qunit/suites/resources/mediawiki/mediawiki.experiments.test.js
@@ -0,0 +1,63 @@
+( function ( mw ) {
+
+       var getBucket = mw.experiments.getBucket;
+
+       function createExperiment() {
+               return {
+                       name: 'experiment',
+                       enabled: true,
+                       buckets: {
+                               control: 0.25,
+                               A: 0.25,
+                               B: 0.25,
+                               C: 0.25
+                       }
+               };
+       }
+
+       QUnit.module( 'mediawiki.experiments' );
+
+       QUnit.test( 'getBucket( experiment, token )', function ( assert ) {
+               var experiment = createExperiment(),
+                       token = '123457890';
+
+               assert.equal(
+                       getBucket( experiment, token ),
+                       getBucket( experiment, token ),
+                       'It returns the same bucket for the same experiment-token pair.'
+               );
+
+               // --------
+               experiment = createExperiment();
+               experiment.buckets = {
+                       A: 0.314159265359
+               };
+
+               assert.equal(
+                       'A',
+                       getBucket( experiment, token ),
+                       'It returns the bucket if only one is defined.'
+               );
+
+               // --------
+               experiment = createExperiment();
+               experiment.enabled = false;
+
+               assert.equal(
+                       'control',
+                       getBucket( experiment, token ),
+                       'It returns "control" if the experiment is disabled.'
+               );
+
+               // --------
+               experiment = createExperiment();
+               experiment.buckets = {};
+
+               assert.equal(
+                       'control',
+                       getBucket( experiment, token ),
+                       'It returns "control" if the experiment doesn\'t have any buckets.'
+               );
+       } );
+
+}( mediaWiki ) );