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openvpn/tests/unit_tests
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Steffan Karger 9fc0e963c7 Move adjust_power_of_2() to integer.h 
misc.c is a mess of incoherent functions, and is therefore included by
virtually all our source files.  That makes testing harder than it should
be.  As a first step of cleaning up misc.c, move adjust_power_of_2() to
integer.h, which is a more suitable place for a function like this.

This allows us to remove the duplicate implementation from test_argv.c.

Signed-off-by: Steffan Karger <steffan.karger@fox-it.com>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Message-Id: <20170621211043.6490-1-steffan@karger.me>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg14940.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
2017-06-27 20:33:39 +02:00
..
example_test The Great Reformatting - first phase 2016-12-14 22:33:49 +01:00
openvpn Move adjust_power_of_2() to integer.h 2017-06-27 20:33:39 +02:00
plugins The Great Reformatting - first phase 2016-12-14 22:33:49 +01:00
Makefile.am Make argv unit tests obey {MBEDTLS, OPENSSL}_{LIBS, CFLAGS} 2016-11-14 20:46:28 +01:00
README.md Add unit testing support via cmocka 2016-05-30 22:40:55 +02:00

README.md

Unit Tests

This directory contains unit tests for openvpn. New features/bugfixes should be written in a test friendly way and come with corresponding tests.

Run tests

Tests are run by make check. A failed tests stops test execution. To run all tests regardless of errors call make -k check.

Add new tests to existing test suite

Test suites are organized in directories. example_test/ is an example for a test suite with two test executables. Feel free to use it as a template for new tests.

Test suites

Test suites live inside a subdirectory of $ROOT/tests/unit_tests, e.g. $ROOT/tests/unit_tests/my_feature.

Test suites are configured by a Makefile.am. Tests are executed by testdrivers. One testsuite can contain more than one testdriver.

Hints

  • Name suites & testdrivers in a way that the name of the driver says something about which component/feature is tested
  • Name the testdriver executable *_testdriver. This way it gets picked up by the default .gitignore
    • If this is not feasible: Add all output to a .gitignore* Use descriptive test names: coffee_brewing__with_no_beans__fails vs. test34
  • Testing a configurable feature? Wrap test execution with a conditional (see auth_pam for an example)
  • Add multiple test-drivers when one testdriver looks crowded with tests

New Test Suites

  1. Organize tests in folders for features.
  2. Add the new test directory to SUBDIRS in Makefile.am
  3. Edit configure.ac and add the new Makefile to AC_CONFIG_FILES
  4. Run ./configure, and enable the feature you'd like to test
  5. Make sure that make check runs your tests
  6. Check: Would a stranger be able to easily find your tests by you looking at the test output?
  7. Run ./configure, and disable the feature you'd like to test
  8. Make sure that make check does not run your tests