In this
application I was trying to get a test coverage report.
Using perl 5.30.3 on Ubuntu. (the system perl) and Devel::Cover 1.36
Regular prove works:
prove -l
t/basic.t .. ok
All tests successful.
Files=1, Tests=6, 0 wallclock secs ( 0.02 usr 0.00 sys + 0.36 cusr
+ 0.03 csys = 0.41 CPU)
Result: PASS
HARNESS_PERL_SWITCHES=-MDevel::Cover prove -l t/basic.t
t/basic.t .. All 1 subtests passed
Test Summary Report
-------------------
t/basic.t (Wstat: 139 Tests: 1 Failed: 0)
Non-zero wait status: 139
Parse errors: No plan found in TAP output
Files=1, Tests=1, 1 wallclock secs ( 0.02 usr 0.00 sys + 0.46 cusr
+ 0.04 csys = 0.52 CPU)
Result: FAIL
The test seem to exit after the first subtest ends.
HARNESS_PERL_SWITCHES=-MDevel::Cover prove -lv t/basic.t
t/basic.t ..
# Subtest: main
[2021-04-26 22:19:32.06938] [44235] [debug] [c4XVQ-tuwn5L] GET "/"
[2021-04-26 22:19:32.07000] [44235] [debug] [c4XVQ-tuwn5L] Routing to
+controller "Course::Management::Controller::Main" and action "welcome
+"
[2021-04-26 22:19:32.07163] [44235] [debug] [c4XVQ-tuwn5L] Rendering t
+emplate "main/welcome.html.ep"
[2021-04-26 22:19:32.07310] [44235] [debug] [c4XVQ-tuwn5L] Rendering t
+emplate "layouts/default.html.ep"
[2021-04-26 22:19:32.07434] [44235] [debug] [c4XVQ-tuwn5L] 200 OK (0.0
+04922s, 203.169/s)
ok 1 - GET /
ok 2 - 200 OK
ok 3 - content is similar
1..3
ok 1 - main
# Subtest: course
All 1 subtests passed
Test Summary Report
-------------------
t/basic.t (Wstat: 139 Tests: 1 Failed: 0)
Non-zero wait status: 139
Parse errors: No plan found in TAP output
Files=1, Tests=1, 1 wallclock secs ( 0.02 usr 0.00 sys + 0.46 cusr
+ 0.05 csys = 0.53 CPU)
Result: FAIL
Here I even get a segmentation fault:
$ PERL5OPT=-MDevel::Cover perl -Ilib t/basic.t
# Subtest: main
ok 1 - GET /
ok 2 - 200 OK
ok 3 - content is similar
1..3
ok 1 - main
# Subtest: course
Segmentation fault (core dumped)
Another segmentation fault:
$ perl -MDevel::Cover -Ilib t/basic.t
Devel::Cover: Warning: can't open blib/lib/Net/SSLeay.pm for MD5 diges
+t: No such file or directory
Devel::Cover: Can't find file "blib/lib/Net/SSLeay.pm" (blib/lib/Net/S
+SLeay.pm (autosplit into blib/lib/auto/Net/SSLeay/randomize.al)): ign
+ored.
Devel::Cover 1.36: Collecting coverage data for branch, condition, pod
+, statement, subroutine and time.
Selecting packages matching:
Ignoring packages matching:
/Devel/Cover[./]
Ignoring packages in:
/home/gabor/perl5/lib/perl5/5.30.3/x86_64-linux-gnu-thread-multi
/home/gabor/perl5/lib/perl5/5.30.3
/home/gabor/perl5/lib/perl5/x86_64-linux-gnu-thread-multi
/home/gabor/perl5/lib/perl5
/etc/perl
/usr/lib/x86_64-linux-gnu/perl5/5.30
/usr/share/perl5
/usr/lib/x86_64-linux-gnu/perl-base
/usr/lib/x86_64-linux-gnu/perl/5.30.3
/usr/share/perl/5.30.3
/home/gabor/perl5/lib/perl5/5.30.2
/home/gabor/perl5/lib/perl5/5.30.2/x86_64-linux-gnu-thread-multi
/home/gabor/perl5/lib/perl5/5.30.0
/home/gabor/perl5/lib/perl5/5.30.0/x86_64-linux-gnu-thread-multi
# Subtest: main
Devel::Cover: Warning: can't open template main/welcome.html.ep for MD
+5 digest: No such file or directory
Devel::Cover: Can't find file "template main/welcome.html.ep" (templat
+e main/welcome.html.ep): ignored.
Devel::Cover: Warning: can't open template layouts/default.html.ep for
+ MD5 digest: No such file or directory
Devel::Cover: Can't find file "template layouts/default.html.ep" (temp
+late layouts/default.html.ep): ignored.
ok 1 - GET /
ok 2 - 200 OK
ok 3 - content is similar
1..3
ok 1 - main
# Subtest: course
Segmentation fault (core dumped)