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Merge pull request #1628 from acrisci/feature/complete-run-coverage 

complete-run: add coverage report generation
This commit is contained in:
Michael Stapelberg 2015-04-02 00:33:05 -07:00
parent 92ffc78e19 c50ec2e4dc
commit 15d516f58c
3 changed files with 44 additions and 2 deletions
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1
common.mk
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@ -1,6 +1,5 @@
UNAME=$(shell uname)
DEBUG=1
COVERAGE=0
INSTALL=install
LN=ln
ifndef PREFIX

21
docs/testsuite
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@ -160,6 +160,27 @@ $ ./complete-run.pl --parallel=1 --keep-xserver-output
This will show the output of Xephyr, which is the X server implementation we
use for testing.
==== Coverage testing
Coverage testing is possible with +lcov+, the front-end for GCC's coverage
testing tool +gcov+. The testcases can generate a nice html report that tells
you which functions and lines were covered during a run of the tests. You can
use this tool to judge how effective your tests are.
To use test coverage tools, first compile with coverage enabled.
---------------------------------------------------
COVERAGE=1 make
---------------------------------------------------
Then run the tests with the +--coverage-testing+ flag.
---------------------------------------------------
./complete-run.pl --coverage-testing
---------------------------------------------------
Then open +latest/i3-coverage/index.html+ in your web browser.
==== IPC interface
The testsuite makes extensive use of the IPC (Inter-Process Communication)

24
testcases/complete-run.pl
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@ -86,6 +86,16 @@ foreach my $binary (@binaries) {
die "$binary is not an executable" unless -x $binary;
}
if ($options{coverage}) {
qx(command -v lcov &> /dev/null);
die "Cannot find lcov needed for coverage testing." if $?;
qx(command -v genhtml &> /dev/null);
die "Cannot find genhtml needed for coverage testing." if $?;
# clean out the counters that may be left over from previous tests.
qx(lcov -d ../ --zerocounters &> /dev/null);
}
qx(Xephyr -help 2>&1);
die "Xephyr was not found in your path. Please install Xephyr (xserver-xephyr on Debian)." if $?;
@ -227,6 +237,17 @@ if ($numtests == 1) {
END { cleanup() }
if ($options{coverage}) {
print("\nGenerating test coverage report...\n");
qx(lcov -d ../ -b ../ --capture -o latest/i3-coverage.info);
qx(genhtml -o latest/i3-coverage latest/i3-coverage.info);
if ($?) {
print("Could not generate test coverage html. Did you compile i3 with test coverage support?\n");
} else {
print("Test coverage report generated in latest/i3-coverage\n");
}
}
exit ($aggregator->failed > 0);
#
@ -391,7 +412,8 @@ available in C<latest/xtrace-for-$test.log>.
=item B<--coverage-testing>
Exits i3 cleanly (instead of kill -9) to make coverage testing work properly.
Generates a test coverage report at C<latest/i3-coverage>. Exits i3 cleanly
during tests (instead of kill -9) to make coverage testing work properly.
=item B<--parallel>