fix(log-level) change single audience result to debug

Author: oakbani

Diff for: src/Optimizely/Utils/Validator.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2016-2019, Optimizely
+ * Copyright 2016-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -187,7 +187,7 @@ public static function isUserInExperiment($config, $experiment, $userAttributes,
             $result = $conditionTreeEvaluator->evaluate($audience->getConditionsList(), $evaluateCustomAttr);
             $resultStr = $result === null ? 'UNKNOWN' : strtoupper(var_export($result, true));
 
-            $logger->log(Logger::INFO, sprintf(
+            $logger->log(Logger::DEBUG, sprintf(
                 AudienceEvaluationLogs::AUDIENCE_EVALUATION_RESULT,
                 $audienceId,
                 $resultStr

Diff for: tests/UtilsTests/ValidatorLoggingTest.php

@@ -1,6 +1,6 @@
 <?php
 /**
- * Copyright 2019, Optimizely
+ * Copyright 2019-2020, Optimizely
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -80,7 +80,7 @@ public function testIsUserInExperimentEvaluatesAudienceIds()
             [Logger::DEBUG, "Starting to evaluate audience \"11155\" with conditions: [\"and\",[\"or\",[\"or\",{\"name\":\"browser_type\",\"type\":\"custom_attribute\",\"value\":\"chrome\"}]]]."],
             $this->collectedLogs
         );
-        $this->assertContains([Logger::INFO, "Audience \"11155\" evaluated to UNKNOWN."], $this->collectedLogs);
+        $this->assertContains([Logger::DEBUG, "Audience \"11155\" evaluated to UNKNOWN."], $this->collectedLogs);
         $this->assertContains([Logger::INFO, "Audiences for experiment \"test_experiment\" collectively evaluated to FALSE."], $this->collectedLogs);
     }
 
@@ -105,15 +105,15 @@ public function testIsUserInExperimenEvaluatesAudienceConditions()
             $this->collectedLogs
         );
         $this->assertContains(
-            [Logger::INFO, "Audience \"3468206642\" evaluated to FALSE."],
+            [Logger::DEBUG, "Audience \"3468206642\" evaluated to FALSE."],
             $this->collectedLogs
         );
         $this->assertContains(
             [Logger::DEBUG, "Starting to evaluate audience \"3988293898\" with conditions: [\"and\",[\"or\",[\"or\",{\"name\":\"house\",\"type\":\"custom_attribute\",\"match\":\"substring\",\"value\":\"Slytherin\"}]]]."],
             $this->collectedLogs
         );
         $this->assertContains(
-            [Logger::INFO, "Audience \"3988293898\" evaluated to TRUE."],
+            [Logger::DEBUG, "Audience \"3988293898\" evaluated to TRUE."],
             $this->collectedLogs
         );
         $this->assertContains([Logger::INFO, "Audiences for experiment \"audience_combinations_experiment\" collectively evaluated to TRUE."], $this->collectedLogs);