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From hoss...@apache.org
Subject [lucene-solr] branch branch_8x updated: SOLR-14099: expanded comment on static final variable based on followup questions in Jira from Dawid
Date Wed, 18 Dec 2019 23:49:34 GMT
This is an automated email from the ASF dual-hosted git repository.

hossman pushed a commit to branch branch_8x
in repository https://gitbox.apache.org/repos/asf/lucene-solr.git


The following commit(s) were added to refs/heads/branch_8x by this push:
     new f071451  SOLR-14099: expanded comment on static final variable based on followup
questions in Jira from Dawid
f071451 is described below

commit f0714517e4384f5256f8d75185e1539bd0c177e9
Author: Chris Hostetter <hossman@apache.org>
AuthorDate: Wed Dec 18 16:36:27 2019 -0700

    SOLR-14099: expanded comment on static final variable based on followup questions in Jira
from Dawid
    
    (cherry picked from commit d30f90e34963f63c07df53df82960f927ab20a8e)
---
 .../org/apache/solr/TestLogLevelAnnotations.java   | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/solr/test-framework/src/test/org/apache/solr/TestLogLevelAnnotations.java b/solr/test-framework/src/test/org/apache/solr/TestLogLevelAnnotations.java
index 22c0bb6..bc5b943 100644
--- a/solr/test-framework/src/test/org/apache/solr/TestLogLevelAnnotations.java
+++ b/solr/test-framework/src/test/org/apache/solr/TestLogLevelAnnotations.java
@@ -34,7 +34,24 @@ public class TestLogLevelAnnotations extends SolrTestCaseJ4 {
   private static final String bogus_logger_prefix = "org.apache.solr.bogus_logger";
   
   /** 
-   * We don't want a hardocded assumption here because it may change based on how the user
runs the test.
+   * <p>
+   * The default log level of the root logger when this class is loaded by the JVM, Used
to validate 
+   * some logger configurations when the tests are run.
+   * </p>
+   * <p>
+   * We don't want a hardcoded assumption here because it may change based on how the user
runs the test.
+   * </p>
+   * <p>
+   * We also don't want to initialize this in a <code>@BeforeClass</code> method
because that will run 
+   * <em>after</em> the <code>@BeforeClass</code> logic of our super
class {@link SolrTestCaseJ4} 
+   * where the <code>@LogLevel</code> annotation on this class will be parsed
and evaluated -- modifying the
+   * log4j run time configuration.  
+   * There is no reason why the <code>@LogLevel</code> configuration of this
class <em>should</em> affect 
+   * the "root" Logger, but setting this in static class initialization protect us (as best
we can) 
+   * against the possibility that it <em>might</em> due to an unforseen (future)
bug.
+   * </p>
+   *
+   * @see #checkLogLevelsBeforeClass
    */
   public static final Level DEFAULT_LOG_LEVEL = LogManager.getRootLogger().getLevel();
   
@@ -49,7 +66,8 @@ public class TestLogLevelAnnotations extends SolrTestCaseJ4 {
     final Configuration config = ctx.getConfiguration();
 
     // NOTE: we're checking the CONFIGURATION of the loggers, not the "effective" value of
the Logger
-    assertEquals(DEFAULT_LOG_LEVEL, config.getRootLogger().getLevel());
+    assertEquals("Somehow, the configured value of the root logger changed since this class
was loaded",
+                 DEFAULT_LOG_LEVEL, config.getRootLogger().getLevel());
     assertEquals("Your Logger conf sets a level on a bogus package that breaks this test:
"
                  + bogus_logger_prefix,
                  config.getRootLogger(),


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