[erlang-questions] Common Tests

Roberto Ostinelli <>
Wed Apr 22 15:06:35 CEST 2015


Dear list,
I have a project with a standard OTP structure. Main app is in `apps/myapp`.
My CT are in `apps/myapp/test`.

When I run a simple CT file:

====================================
$ rebar ct skip_deps=true
==> myapp (ct)
DONE.
Testing apps.myapp: TEST COMPLETE, 1 ok, 0 failed of 1 test cases
====================================


Then a log directory gets created in `apps/myapp/logs` which contain all CT
results.
However, when I run the tests again I get:


====================================
$ rebar ct skip_deps=true
==> myapp (ct)
ERROR: ct_run -noshell -pa "/Users/roberto/workspace/myapp/apps/myapp/ebin"
"/Users/roberto/workspace/myapp/deps/edown/ebin"
"/Users/roberto/workspace/myapp/deps/rabbit_common/ebin"
"/Users/roberto/workspace/myapp/deps/meck/ebin"
"/Users/roberto/workspace/myapp/deps/bear/ebin"
"/Users/roberto/workspace/myapp/deps/lager/ebin"
"/Users/roberto/workspace/myapp/deps/setup/ebin"
"/Users/roberto/workspace/myapp/deps/jiffy/ebin"
"/Users/roberto/workspace/myapp/deps/amqp_client/ebin"
"/Users/roberto/workspace/myapp/deps/folsom/ebin"
"/Users/roberto/workspace/myapp/deps/netlink/ebin"
"/Users/roberto/workspace/myapp/deps/afunix/ebin"
"/Users/roberto/workspace/myapp/deps/parse_trans/ebin"
"/Users/roberto/workspace/myapp/deps/ranch/ebin"
"/Users/roberto/workspace/myapp/deps/cowlib/ebin"
"/Users/roberto/workspace/myapp/deps/goldrush/ebin"
"/Users/roberto/workspace/myapp/deps/exometer/ebin"
"/Users/roberto/workspace/myapp/deps/recon/ebin"
"/Users/roberto/workspace/myapp/deps/cowboy/ebin"
"/usr/local/bin/rebar/rebar/ebin" "/usr/local/bin/rebar"
"/Users/roberto/workspace/myapp/."   -name 
-logdir "/Users/roberto/workspace/myapp/apps/myapp/logs" -env TEST_DIR
"/Users/roberto/workspace/myapp/apps/myapp/test"    -dir test >>
/Users/roberto/workspace/myapp/apps/myapp/logs/raw.log 2>&1 failed with
error: 2 and output:

ERROR: ct failed while processing
/Users/roberto/workspace/myapp/apps/myapp: rebar_abort
====================================


If I delete the `apps/myapp/logs` directory, I can re-run my tests with no
problem.
logs/raw.log` contains:


====================================
--- Test run on 2015/04/22 15:03:18 ---
Converting "/Users/roberto/workspace/myapp/." to
"/Users/roberto/workspace/myapp" and re-inserting with add_patha/1


Common Test v1.10 starting (cwd is
/Users/roberto/workspace/myapp/apps/myapp)


Common Test: Running make in test directories...

CWD set to:
"/Users/roberto/workspace/myapp/apps/myapp/logs/
"

TEST INFO: 1 test(s), 1 case(s) in 1 suite(s)

Testing apps.myapp: Starting test, 1 test cases
Testing apps.myapp: TEST COMPLETE, 1 ok, 0 failed of 1 test cases


=ERROR REPORT==== 22-Apr-2015::15:03:19 ===
Error in process <0.37.0> on node '' with exit value:
{{badmatch,["ct_run","
","local","2015-04-22_14","59","52"]},[{ct_logs,'-sort_ct_runs/1-fun-0-',2,[{file,"ct_logs.erl"},{line,1912}]},{lists,sort,2,[{file,"lists.erl"},{line,967}]},{ct_logs,make_all_suites_index,1,[{file...

Test run crashed! This could be an internal error - please report!

{{badmatch,["ct_run","","local","2015-04-22_14","59","52"]},
 [{ct_logs,'-sort_ct_runs/1-fun-0-',2,[{file,"ct_logs.erl"},{line,1912}]},
  {lists,sort,2,[{file,"lists.erl"},{line,967}]},
  {ct_logs,make_all_suites_index,1,[{file,"ct_logs.erl"},{line,2232}]},
  {ct_logs,close,2,[{file,"ct_logs.erl"},{line,178}]},
  {ct_util,loop,3,[{file,"ct_util.erl"},{line,471}]}]}
====================================


...Any ideas?

Best,
r.
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