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Date: Tue, 24 Sep 2013 12:31:03 -0400
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Subject: Re: Has anyone used mrunit to test Mutations produced from Mappers or
 Reducers?
From: Eric Newton <eric.newton@gmail.com>
To: "user@accumulo.apache.org" <user@accumulo.apache.org>
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Created https://issues.apache.org/jira/browse/ACCUMULO-1734 in response.

-Eric


On Tue, Sep 24, 2013 at 12:19 PM, Tim Reardon <tequalsme@gmail.com> wrote:

> The problem is that Mutation.equals() calls a private serialize() method
> that modifies the data about to be checked. I have successfully worked
> around this in the past by wrapping the Mutation in a new Mutation, which
> calls serialize under the hood:
>
>  assertEquals(expectedMutation, new Mutation(actualMutation));
>
> This applies to 1.4.x, I don't know if Mutation.equals() has changed since
> then.
>
> Tim
>
> On Tue, Sep 24, 2013 at 8:58 AM, David Medinets <david.medinets@gmail.com>wrote:
>
>>
>> http://stackoverflow.com/questions/18541143/how-to-test-a-reducer-containing-a-mutation- there is a question on Stack Overflow about this. And I would not mind
>> knowing the answer also.
>>
>
>

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<div dir=3D"ltr"><div style>Created <a href=3D"https://issues.apache.org/ji=
ra/browse/ACCUMULO-1734">https://issues.apache.org/jira/browse/ACCUMULO-173=
4</a> in response.</div><div style><br></div><div style>-Eric</div><div sty=
le>
<br></div></div><div class=3D"gmail_extra"><br><br><div class=3D"gmail_quot=
e">On Tue, Sep 24, 2013 at 12:19 PM, Tim Reardon <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:tequalsme@gmail.com" target=3D"_blank">tequalsme@gmail.com</a=
>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div><p>The problem is that=
 Mutation.equals() calls a private
 serialize() method that modifies the data about to be checked. I have succ=
essfully worked around this in the past by wrapping the Mutation in a new M=
utation, which calls serialize under the hood:</p>

<pre><code> assertEquals(expectedMutation, new Mutation(actualMutation));<b=
r></code><br></pre></div><div class=3D"gmail_extra">This applies to 1.4.x, =
I don&#39;t know if Mutation.equals()  has changed since then.<span class=
=3D"HOEnZb"><font color=3D"#888888"><br>
<br></font></span></div><span class=3D"HOEnZb"><font color=3D"#888888">

<div class=3D"gmail_extra">Tim<br></div></font></span><div class=3D"im"><di=
v class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Tue, Sep 24, 2013=
 at 8:58 AM, David Medinets <span dir=3D"ltr">&lt;<a href=3D"mailto:david.m=
edinets@gmail.com" target=3D"_blank">david.medinets@gmail.com</a>&gt;</span=
> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><a href=
=3D"http://stackoverflow.com/questions/18541143/how-to-test-a-reducer-conta=
ining-a-mutation" target=3D"_blank">http://stackoverflow.com/questions/1854=
1143/how-to-test-a-reducer-containing-a-mutation</a> - there is a question =
on Stack Overflow about this. And I would not mind knowing the answer also.=
<br>


</div>
</blockquote></div><br></div></div></div>
</blockquote></div><br></div>

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