willholley opened a new pull request #2346:  Big-endian support for 
couch_compress tests 
URL: https://github.com/apache/couchdb/pull/2346
 
 
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   ## Overview
   
   This refactors the couch_compress tests to allow them to run on platforms 
(e.g. s390x) where the compression output might be different to the fixed 
values defined in the tests. Namely:
   
    * Assert that compressed output is smaller than the input
    * Assert bigendian output is portable
    * Assert that compressed output can be re-compressed
   
   The first commit in the PR is a straight port of the existing couch_compress 
test fixture to ExUnit. The second commit makes the modifications described 
above.
   
   cc @davisp 
   
   ## Testing recommendations
   
   <!-- Describe how we can test your changes.
        Does it provides any behaviour that the end users
        could notice? -->
   
   ```
   make tests=src/couch/test/exunit/couch_compress_tests.exs exunit
   ```
   
   ## Related Issues or Pull Requests
   
   Background and discussion of this is in 
https://issues.apache.org/jira/browse/COUCHDB-3261.
   
   ## Checklist
   
   - [ ] Code is written and works correctly
   - [ ] Changes are covered by tests
   - [ ] Any new configurable parameters are documented in 
`rel/overlay/etc/default.ini`
   - [ ] A PR for documentation changes has been made in 
https://github.com/apache/couchdb-documentation
   

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