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This directory contains integration tests that test bitcoind and its
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utilities in their entirety. It does not contain unit tests, which
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can be found in [/src/test](/src/test), [/src/wallet/test](/src/wallet/test),
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etc.
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There are currently two sets of tests in this directory:
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- [functional](/test/functional) which test the functionality of
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bitcoind and bitcoin-qt by interacting with them through the RPC and P2P
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interfaces.
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- [util](test/util) which tests the bitcoin utilities, currently only
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bitcoin-tx.
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The util tests are run as part of `make check` target. The functional
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tests are run by the travis continuous build process whenever a pull
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request is opened. Both sets of tests can also be run locally.
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Functional Test dependencies
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============================
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The ZMQ functional test requires a python ZMQ library. To install it:
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- on Unix, run `sudo apt-get install python3-zmq`
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- on mac OS, run `pip3 install pyzmq`
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Running tests locally
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=====================
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Functional tests
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----------------
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You can run any single test by calling
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test/functional/test_runner.py <testname>
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Or you can run any combination of tests by calling
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test/functional/test_runner.py <testname1> <testname2> <testname3> ...
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Run the regression test suite with
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test/functional/test_runner.py
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Run all possible tests with
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test/functional/test_runner.py --extended
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By default, tests will be run in parallel. To specify how many jobs to run,
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append `--jobs=n` (default n=4).
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If you want to create a basic coverage report for the RPC test suite, append `--coverage`.
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Possible options, which apply to each individual test run:
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```
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-h, --help show this help message and exit
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--nocleanup Leave bitcoinds and test.* datadir on exit or error
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--noshutdown Don't stop bitcoinds after the test execution
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--srcdir=SRCDIR Source directory containing bitcoind/bitcoin-cli
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(default: ../../src)
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--tmpdir=TMPDIR Root directory for datadirs
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--tracerpc Print out all RPC calls as they are made
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--coveragedir=COVERAGEDIR
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Write tested RPC commands into this directory
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```
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If you set the environment variable `PYTHON_DEBUG=1` you will get some debug
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output (example: `PYTHON_DEBUG=1 test/functional/test_runner.py wallet`).
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A 200-block -regtest blockchain and wallets for four nodes
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is created the first time a regression test is run and
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is stored in the cache/ directory. Each node has 25 mature
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blocks (25*50=1250 BTC) in its wallet.
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After the first run, the cache/ blockchain and wallets are
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copied into a temporary directory and used as the initial
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test state.
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If you get into a bad state, you should be able
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to recover with:
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```bash
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rm -rf cache
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killall bitcoind
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```
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Util tests
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----------
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Util tests can be run locally by running `test/util/bitcoin-util-test.py`.
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Use the `-v` option for verbose output.
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Writing functional tests
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========================
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You are encouraged to write functional tests for new or existing features.
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Further information about the functional test framework and individual
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tests is found in [test/functional](/test/functional).
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