From ee672bb4b3919ba8e411ca5bba95e22b288f2831 Mon Sep 17 00:00:00 2001 From: dvdli Date: Tue, 1 Dec 2020 14:10:34 +0800 Subject: add instructions to run tests and fix typo --- README.md | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) (limited to 'README.md') diff --git a/README.md b/README.md index 5e8fdb6..ed4203a 100644 --- a/README.md +++ b/README.md @@ -63,3 +63,41 @@ man libtinyalsa-pcm man libtinyalsa-mixer ``` +### Test + +To test libtinyalsa, please follow the instructions, + +#### Setup Bazel build environment + +Visit [here](https://docs.bazel.build/versions/3.7.0/install.html) to get more info to setup Bazel environment. + +#### Insert loopback devices + +The test program does pcm_* operations on loopback devices. You have to insert loopback devices after your system boots up. + +``` +sudo modprobe snd-aloop +sudo chmod 777 /dev/snd/* +``` + +#### Run test program + +``` +bazel test //:tinyalsa_tests --test_output=all +``` + +The default playback device is hw:2,0 and the default capture device is hw:2,1. If your loopback devices are not hw:2,0 and hw:2,1, you can specify the loopback device. + +``` +bazel test //:tinyalsa_tests --test_output=all \ + --copt=-DTEST_LOOPBACK_CARD=[loopback card] \ + --copt=-DTEST_LOOPBACK_PLAYBACK_DEVICE=[loopback playback device] \ + --copt=-DTEST_LOOPBACK_CAPTURE_DEVICE=[loopback capture device] +``` + +#### Generate coverage report + +``` +bazel coverage //:tinyalsa_tests --combined_report=lcov --test_output=all +genhtml bazel-out/_coverage/_coverage_report.dat -o tinyalsa_tests_coverage +``` -- cgit v1.2.3