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( 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 ) );
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