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Hygiene: i13n: Return false over not sampling

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Previously, if the browser didn't support the Beacon API, then
instrumentation/eventLogging#isEnabled would bucket the user with a
sampling rate of 0, which is equivalent to returning false. This change
simply does the latter.

Additional changes:
* Update the documented module names of the instrumentation/eventLogging
  and statsv modules.

Bug: T168847
Change-Id: I7ae5c10da42ca614b5b1a6619f9555e5665344cf
This commit is contained in:
Sam Smith 2017-07-03 13:05:00 +01:00 committed by Jdlrobson
parent 6ef2816fbd
commit ba3c0b7f76
5 changed files with 6 additions and 16 deletions
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resources/dist/index.js vendored
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resources/dist/index.js.map vendored
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4
src/instrumentation/eventLogging.js
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@ -1,5 +1,5 @@
/** /**
* @module schema * @module instrumentation/eventLogging
*/ */
/** /**
@ -28,7 +28,7 @@ exports.isEnabled = function isEnabled( user, config, experiments, window ) {
!window.navigator || !window.navigator ||
!$.isFunction( window.navigator.sendBeacon ) !$.isFunction( window.navigator.sendBeacon )
) { ) {
samplingRate = 0; return false;
} }
return experiments.weightedBoolean( return experiments.weightedBoolean(

2
src/instrumentation/statsv.js
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@ -1,5 +1,5 @@
/** /**
* @module statsvInstrumentation * @module instrumentation/statsv
*/ */
/** /**

16
tests/node-qunit/instrumentation/eventLogging.test.js
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@ -57,15 +57,10 @@ QUnit.test( 'it should use wgPopupsSchemaSamplingRate as the sampling rate', fun
); );
} ); } );
QUnit.test( 'it should use a 0 bucketing rate when sendBeacon isn\'t supported', function ( assert ) { QUnit.test( 'it should return false when sendBeacon isn\'t supported', function ( assert ) {
var window = {}; var window = {};
isEnabled( this.user, this.config, this.experiments, window ); assert.notOk( isEnabled( this.user, this.config, this.experiments, window ) );
assert.deepEqual(
this.experiments.weightedBoolean.getCall( 0 ).args[ 1 ],
/* trueWeight = */ 0
);
// --- // ---
@ -73,12 +68,7 @@ QUnit.test( 'it should use a 0 bucketing rate when sendBeacon isn\'t supported',
sendBeacon: 'NOT A FUNCTION' sendBeacon: 'NOT A FUNCTION'
}; };
isEnabled( this.user, this.config, this.experiments, window ); assert.notOk( isEnabled( this.user, this.config, this.experiments, window ) );
assert.deepEqual(
this.experiments.weightedBoolean.getCall( 1 ).args[ 1 ],
/* trueWeight = */ 0
);
} ); } );
QUnit.test( 'it should return the weighted boolean', function ( assert ) { QUnit.test( 'it should return the weighted boolean', function ( assert ) {