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BINDING_TESTER.md

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Running the bindingstester

This assumes that all FoundationDB dependencies are installed properly. See the FoundationDB documentation for information on the dependencies.

  1. Download and build FoundationDB
$ git clone https://github.com/apple/foundationdb
$ cd foundationdb
$ # Optionally checkout a specific release branch
$ # git checkout -b release-6.1 origin/release-6.1
$ mkdir _build
$ cd _build
$ cmake ..
$ make -j4
  1. Tweak bindingtester to be able to run our Erlang client
$ cd ../bindings/bindingtester
$ vi __init__.py # Comment out the sys.path injection on line 25
$ vi known_testers.py # Add the following line to the `testers` hash
'erlang': Tester('erlang', '/Users/davisp/github/labs-cloudant/couchdb-erlfdb/test/tester.es', 2040, MAX_API_VERSION, MAX_API_VERSION, types=ALL_TYPES),
  1. Start a temporary fdbserver instance

This should be done in a second shell

$ mkdir ~/tmp/fdbtest
$ cd ~/tmp/fdbtest
$ echo "foo:[email protected]:4689" > fdb.cluster
$ /Users/davisp/github/davisp/foundationdb/_build/bin/fdbserver \
    -p 127.0.0.1:4689 \
    -C fdb.cluster \
    -d . \
    -L .
  1. Configure the temporary fdbserver instance

This only needs to be done once after step 3

$ cd ~/tmp/fdbtest
$ /Users/davisp/github/davisp/foundationdb/_build/bin/fdbcli
Database created
  1. Start the binding test

Notice that the ERL_LIBS=... command is one long single line.

$ cd /Users/davisp/github/davisp/foundationdb/bindings/bindingtester
$ ERL_LIBS=/Users/davisp/github/labs-cloudant/couchdb-erlfdb/ PYTHONPATH=/Users/davisp/github/davisp/foundationdb/_build/bindings/python/ ./bindingtester.py --cluster-file /Users/davisp/tmp/fdbtest/fdb.cluster erlang

By default, bindingtester.py runs the scripted.py test which is a deterministic set of tests. To really try and soak test the bindings you should add the following command line parameters:

--test-name api --num-ops 10000

The api test is a large randomly generated set of test instructions and should exercise a number of combinations of parameters exercising large portions of the bindings.

If you do encounter an error in tests you can add these options to try and debug the issue:

--seed $SEED --bisect

Where $SEED is printed in the output of the failed test run.