From 7777703958937ec0ae609b1ee882f1bf2d113d10 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Tue, 31 Mar 2020 16:31:55 -0400 Subject: doc: Explain new test logging --- src/test/README.md | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/src/test/README.md b/src/test/README.md index 731720f654..57cda26d7c 100644 --- a/src/test/README.md +++ b/src/test/README.md @@ -17,26 +17,31 @@ and tests weren't explicitly disabled. After configuring, they can be run with `make check`. -To run the bitcoind tests manually, launch `src/test/test_bitcoin`. To recompile +To run the unit tests manually, launch `src/test/test_bitcoin`. To recompile after a test file was modified, run `make` and then run the test again. If you modify a non-test file, use `make -C src/test` to recompile only what's needed -to run the bitcoind tests. +to run the unit tests. -To add more bitcoind tests, add `BOOST_AUTO_TEST_CASE` functions to the existing +To add more unit tests, add `BOOST_AUTO_TEST_CASE` functions to the existing .cpp files in the `test/` directory or add new .cpp files that implement new `BOOST_AUTO_TEST_SUITE` sections. -To run the bitcoin-qt tests manually, launch `src/qt/test/test_bitcoin-qt` +To run the GUI unit tests manually, launch `src/qt/test/test_bitcoin-qt` -To add more bitcoin-qt tests, add them to the `src/qt/test/` directory and +To add more GUI unit tests, add them to the `src/qt/test/` directory and the `src/qt/test/test_main.cpp` file. ### Running individual tests -test_bitcoin has some built-in command-line arguments; for -example, to run just the getarg_tests verbosely: +`test_bitcoin` has some built-in command-line arguments; for +example, to run just the `getarg_tests` verbosely: - test_bitcoin --log_level=all --run_test=getarg_tests + test_bitcoin --log_level=all --run_test=getarg_tests -- DEBUG_LOG_OUT + +`log_level` controls the verbosity of the test framework, which logs when a +test case is entered, for example. The `DEBUG_LOG_OUT` after the two dashes +redirects the debug log, which would normally go to a file in the test datadir +(`BasicTestingSetup::m_path_root`), to the standard terminal output. ... or to run just the doubledash test: @@ -56,11 +61,15 @@ see `uint256_tests.cpp`. ### Logging and debugging in unit tests +`make check` will write to a log file `foo_tests.cpp.log` and display this file +on failure. For running individual tests verbosely, refer to the section +[above](#running-individual-tests). + To write to logs from unit tests you need to use specific message methods provided by Boost. The simplest is `BOOST_TEST_MESSAGE`. -For debugging you can launch the test_bitcoin executable with `gdb`or `lldb` and -start debugging, just like you would with bitcoind: +For debugging you can launch the `test_bitcoin` executable with `gdb`or `lldb` and +start debugging, just like you would with any other program: ```bash gdb src/test/test_bitcoin -- cgit v1.2.3