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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5328) Small changes to Master to make it more testable
Date Thu, 22 Mar 2012 15:00:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235612#comment-13235612

jiraposter@reviews.apache.org commented on HBASE-5328:

bq.  On 2012-03-22 00:25:30, jmhsieh wrote:
bq.  > src/main/java/org/apache/hadoop/hbase/master/HMaster.java, line 493
bq.  > <https://reviews.apache.org/r/4436/diff/1/?file=94295#file94295line493>
bq.  >
bq.  >     nit: comment is wrong for change.

I fixed this in an addendum.

bq.  On 2012-03-22 00:25:30, jmhsieh wrote:
bq.  > src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java, line 165
bq.  > <https://reviews.apache.org/r/4436/diff/1/?file=94300#file94300line165>
bq.  >
bq.  >     was: remove all instances of "TODO Auto-generated method stub"?  
bq.  >     
bq.  >     Replace with a comment to say this should be overridden (or throw some sort
of RuntimeException?)
bq.  Michael Stack wrote:
bq.      Its a mock.  I want default, basic behaviors.
bq.  jmhsieh wrote:
bq.      I'm not going to push too hard here, but leaving the auto gen stub generally tells
me "incomplete code" instead of telling "basic behavior" or "not default behavior".

I looked at this this morning again since it reviewers balk.   I tried to come up w/ text
to put in place of what was auto-generated but anything I conjured seemed inauthentic compared
to what the machine generated so I am going to just leave it (It shouldn't be overridden,
at least not currently, not until we need the mock to do more, and neither do I want to throw
runtime exceptions, etc). 

bq.  On 2012-03-22 00:25:30, jmhsieh wrote:
bq.  > src/test/java/org/apache/hadoop/hbase/master/TestMasterNoCluster.java, line 114
bq.  > <https://reviews.apache.org/r/4436/diff/1/?file=94303#file94303line114>
bq.  >
bq.  >     make these joins have a timeout (prevent hanging tests?)

Done in an addendum.

- Michael

This is an automatically generated e-mail. To reply, visit:

On 2012-03-21 23:18:23, Michael Stack wrote:
bq.  -----------------------------------------------------------
bq.  This is an automatically generated e-mail. To reply, visit:
bq.  https://reviews.apache.org/r/4436/
bq.  -----------------------------------------------------------
bq.  (Updated 2012-03-21 23:18:23)
bq.  Review request for hbase.
bq.  Summary
bq.  -------
bq.  M src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java
bq.    Make this class public so its waitForRoot(long) can be used by HMaster.
bq.    Remove the stalling waitForRoot no arg.
bq.  M src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
bq.    Javadoc.  Add check if stopped flag cycling waiting on assignment.
bq.  M src/main/java/org/apache/hadoop/hbase/master/HMaster.java
bq.    Moved check if schema change flag out to a method rather than
bq.    have it on tail of constructor.
bq.    Moved other initialization stuff like get of assignment manager
bq.    and server manager out into methods so could be intercepted by
bq.    tests and mocking.
bq.    Change how we wait on root so we sleep 100ms at a time and always
bq.    check stopped flag rather than block for ever.
bq.    Added more checking if stopped flag.
bq.    Added flag for when rpc server is up, mostly for tests.
bq.  M src/main/java/org/apache/hadoop/hbase/zookeeper/RootRegionTracker.java
bq.    Unused import.
bq.  M src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java
bq.    Comment.
bq.  M src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java
bq.    Remove unused code.
bq.  M src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java
bq.    Change how we wait on root.  DOn't use removed method.
bq.  A src/test/java/org/apache/hadoop/hbase/master/MockRegionS
bq.  This addresses bug hbase-5328.
bq.      https://issues.apache.org/jira/browse/hbase-5328
bq.  Diffs
bq.  -----
bq.    src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java beaff97 
bq.    src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java d47ef10 
bq.    src/main/java/org/apache/hadoop/hbase/master/HMaster.java cd1755f 
bq.    src/main/java/org/apache/hadoop/hbase/zookeeper/RootRegionTracker.java a929e31 
bq.    src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java 7f97b01 
bq.    src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java 79b6604 
bq.    src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java 90fa45a 
bq.    src/test/java/org/apache/hadoop/hbase/master/MockRegionServer.java PRE-CREATION 
bq.    src/test/java/org/apache/hadoop/hbase/master/Mocking.java PRE-CREATION 
bq.    src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java 841649a 
bq.    src/test/java/org/apache/hadoop/hbase/master/TestMasterNoCluster.java PRE-CREATION

bq.  Diff: https://reviews.apache.org/r/4436/diff
bq.  Testing
bq.  -------
bq.  Thanks,
bq.  Michael

> Small changes to Master to make it more testable
> ------------------------------------------------
>                 Key: HBASE-5328
>                 URL: https://issues.apache.org/jira/browse/HBASE-5328
>             Project: HBase
>          Issue Type: Task
>            Reporter: stack
>            Assignee: stack
>             Fix For: 0.96.0
>         Attachments: 5328-addendum.txt, 5328.txt, 5328v12.txt, 5328v2.txt, 5328v2.txt,
5328v3.txt, 5328v4.txt, 5328v8.txt
> Here are some small changes in Master that make it more testable.  Included tests stand
up a Master and then fake it into thinking that three regionservers are registering making
master assign root and meta, etc.

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