2019-05-19 22:20:34 +02:00
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This directory contains integration tests that test dashd 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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dashd and dash-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 dash utilities, currently only
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dash-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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2017-06-27 12:05:54 +02:00
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# Running tests locally
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Build for your system first. Be sure to enable wallet, utils and daemon when you configure. Tests will not run otherwise.
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### Functional tests
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#### Dependencies
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2019-05-19 22:20:34 +02:00
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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 the tests
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2017-06-27 12:05:54 +02:00
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Individual tests can be run by directly calling the test script, eg:
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2017-06-27 12:05:54 +02:00
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```
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test/functional/wallet-hd.py
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```
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or can be run through the test_runner harness, eg:
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2017-06-27 12:05:54 +02:00
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```
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test/functional/test_runner.py wallet-hd.py
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```
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2017-06-27 12:05:54 +02:00
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You can run any combination (incl. duplicates) of tests by calling:
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2017-06-27 12:05:54 +02:00
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```
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test/functional/test_runner.py <testname1> <testname2> <testname3> ...
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```
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2017-06-27 12:05:54 +02:00
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Run the regression test suite with:
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2017-06-27 12:05:54 +02:00
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```
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test/functional/test_runner.py
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```
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Run all possible tests with
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2017-06-27 12:05:54 +02:00
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```
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test/functional/test_runner.py --extended
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```
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By default, up to 4 tests will be run in parallel by test_runner. To specify
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how many jobs to run, append `--jobs=n`
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2017-06-27 12:05:54 +02:00
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The individual tests and the test_runner harness have many command-line
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options. Run `test_runner.py -h` to see them all.
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2017-06-27 12:05:54 +02:00
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#### Troubleshooting and debugging test failures
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##### Resource contention
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The P2P and RPC ports used by the dashd nodes-under-test are chosen to make
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conflicts with other processes unlikely. However, if there is another dashd
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process running on the system (perhaps from a previous test which hasn't successfully
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killed all its dashd nodes), then there may be a port conflict which will
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cause the test to fail. It is recommended that you run the tests on a system
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where no other dashd processes are running.
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On linux, the test_framework will warn if there is another
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dashd process running when the tests are started.
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If there are zombie dashd processes after test failure, you can kill them
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by running the following commands. **Note that these commands will kill all
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dashd processes running on the system, so should not be used if any non-test
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dashd processes are being run.**
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```bash
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killall dashd
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```
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2017-06-27 12:05:54 +02:00
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or
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```bash
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pkill -9 dashd
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```
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2017-06-27 12:05:54 +02:00
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##### Data directory cache
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A pre-mined blockchain with 200 blocks is generated the first time a
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functional test is run and is stored in test/cache. This speeds up
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test startup times since new blockchains don't need to be generated for
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each test. However, the cache may get into a bad state, in which case
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tests will fail. If this happens, remove the cache directory (and make
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sure bitcoind processes are stopped as above):
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```bash
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rm -rf cache
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killall dashd
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```
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2017-06-27 12:05:54 +02:00
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##### Test logging
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The tests contain logging at different levels (debug, info, warning, etc). By
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default:
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- when run through the test_runner harness, *all* logs are written to
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`test_framework.log` and no logs are output to the console.
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- when run directly, *all* logs are written to `test_framework.log` and INFO
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level and above are output to the console.
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- when run on Travis, no logs are output to the console. However, if a test
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fails, the `test_framework.log` and bitcoind `debug.log`s will all be dumped
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to the console to help troubleshooting.
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To change the level of logs output to the console, use the `-l` command line
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argument.
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`test_framework.log` and dashd `debug.log`s can be combined into a single
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aggregate log by running the `combine_logs.py` script. The output can be plain
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text, colorized text or html. For example:
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```
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combine_logs.py -c <test data directory> | less -r
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```
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will pipe the colorized logs from the test into less.
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Use `--tracerpc` to trace out all the RPC calls and responses to the console. For
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some tests (eg any that use `submitblock` to submit a full block over RPC),
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this can result in a lot of screen output.
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By default, the test data directory will be deleted after a successful run.
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Use `--nocleanup` to leave the test data directory intact. The test data
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directory is never deleted after a failed test.
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##### Attaching a debugger
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A python debugger can be attached to tests at any point. Just add the line:
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```py
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import pdb; pdb.set_trace()
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```
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anywhere in the test. You will then be able to inspect variables, as well as
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call methods that interact with the bitcoind nodes-under-test.
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### Util tests
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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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2017-06-27 12:05:54 +02:00
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# Writing functional tests
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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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