[jira] [Created] (PARQUET-481) Refactor and expand reader-test

["Aliaksei Sandryhaila (JIRA)" <ji...@apache.org>]

Aliaksei Sandryhaila created PARQUET-481:
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             Summary: Refactor and expand reader-test
                 Key: PARQUET-481
                 URL: https://issues.apache.org/jira/browse/PARQUET-481
             Project: Parquet
          Issue Type: Sub-task
          Components: parquet-cpp
    Affects Versions: cpp-0.1
            Reporter: Aliaksei Sandryhaila
            Assignee: Aliaksei Sandryhaila
             Fix For: cpp-0.1


reader-test currently tests with a single parquet file and only verifies that we can read it, not the correctness of the output.

Proposed changes:
- Move reader-test.cc to a separate directory parquet-cpp/tests (in the future, all unit tests will be located there)
- Expand it to work with multiple files
- Add method ParquetFileReader::JsonPrint() that prints a file contents in a json format, so we can consistently compare the output with the ground truth stored in parquet-cpp/data. This method will also be more handy than DebugPrint when we start working with nested columns.



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