Set PARALLEL_TEST environment variable. by jshraibman-mdsol · Pull Request #172 · grosser/parallel_tests

jshraibman-mdsol · 2012-12-30T04:00:09Z

This will allow me to fix SimpleCov issue 64

Setting this environment variable will let tools know they are being run inside parallel_tests and adjust accordingly.

grosser · 2013-01-02T00:00:35Z

Why not rely on TEST_ENV_NUMBER -> more generic -> if something needs multiple test envs it's something parallel -> use different command names

jshraibman-mdsol · 2013-01-02T04:18:01Z

I often set TEST_ENV_NUMBER to run different tests in different terminals manually. TEST_ENV_NUMBER is used to determine which test database to connect to. I personally can't rely on it to mean that the test is being run inside parallel_tests and I imagine I'm not the only one.

grosser · 2013-01-02T04:37:19Z

You are the 1% :D
Ok,

so make sure it is set in all places that TEST_ENV_NUMBER is used
add a test so I don't break it later
maybe set it so something like "1" or "yes" or "true"

jshraibman-mdsol · 2013-01-02T18:37:13Z

How do you runs specs? I'm getting a failure when I try. Am I not running them properly or is there a bug in HEAD?

[jshraibman@Joseph-Shraibmans-MacBook-Pro master ~/work/parallel_tests]$ time spec spec
Example disabled: should not log examples without location
Example disabled: prints failing examples
/Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:28:in `block (2 levels) in <top (required)>': undefined method `around' for Spec::Example::ExampleGroup::Subclass_10::Subclass_2:Class (NoMethodError)
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in `module_eval'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in `subclass'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:55:in `describe'
    from /Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:27:in `block in <top (required)>'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in `module_eval'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in `subclass'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:55:in `describe'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_factory.rb:31:in `create_example_group'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/dsl/main.rb:28:in `describe'
    from /Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:4:in `<top (required)>'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:15:in `load'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:15:in `block in load_files'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:14:in `each'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:14:in `load_files'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/options.rb:133:in `run_examples'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/command_line.rb:9:in `run'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/bin/spec:5:in `<top (required)>'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/spec:19:in `load'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/spec:19:in `<main>'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/ruby_noexec_wrapper:14:in `eval'
    from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/ruby_noexec_wrapper:14:in `<main>'

real    0m0.851s
user    0m0.775s
sys 0m0.071s

grosser · 2013-01-02T18:39:08Z

try rake ;)

On Wed, Jan 2, 2013 at 10:37 AM, Joseph Shraibman
[email protected]:

How do you runs specs? I'm getting a failure when I try. Am I not running
them properly or is there a bug in HEAD?

[jshraibman@Joseph-Shraibmans-MacBook-Pro master ~/work/parallel_tests]$ time spec spec
Example disabled: should not log examples without location
Example disabled: prints failing examples
/Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:28:in block (2 levels) in <top (required)>': undefined methodaround' for Spec::Example::ExampleGroup::Subclass_10::Subclass_2:Class (NoMethodError)
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in module_eval' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:insubclass'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:55:in describe' from /Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:27:inblock in <top (required)>'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:in module_eval' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:183:insubclass'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_methods.rb:55:in describe' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/example/example_group_factory.rb:31:increate_example_group'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/dsl/main.rb:28:in describe' from /Users/jshraibman/work/parallel_tests/spec/parallel_tests/tasks_spec.rb:4:in<top (required)>'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:15:in load' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:15:inblock in load_files'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:14:in each' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/example_group_runner.rb:14:inload_files'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/options.rb:133:in run_examples' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/lib/spec/runner/command_line.rb:9:inrun'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rspec-1.3.0/bin/spec:5:in <top (required)>' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/spec:19:inload'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/spec:19:in <main>' from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/ruby_noexec_wrapper:14:ineval'
from /Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/bin/ruby_noexec_wrapper:14:in `
'

real 0m0.851s
user 0m0.775s
sys 0m0.071s

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Try to set PARALLEL_TESTS to number of processes. Add specs.

jshraibman-mdsol · 2013-01-02T19:18:17Z

Updated. Test results:

[jshraibman@Joseph-Shraibmans-MacBook-Pro feature/env_var ~/work/parallel_tests]$ time rake
/Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rake-0.8.7/lib/rake/alt_system.rb:32: Use RbConfig instead of obsolete and deprecated Config.
(in /Users/jshraibman/work/parallel_tests)
rspec spec/
/Users/jshraibman/.rvm/gems/ruby-1.9.3-p125/gems/rake-0.8.7/lib/rake/alt_system.rb:32: Use RbConfig instead of obsolete and deprecated Config.
........................................................................................................................................................................................

Pending:
ParallelTests::RSpec::FailuresLogger should not log examples without location
# Not Yet Implemented
# ./spec/parallel_tests/rspec/failure_logger_spec.rb:75
ParallelTests::RSpec::SummaryLogger prints failing examples
# Not Yet Implemented
# ./spec/parallel_tests/rspec/summary_logger_spec.rb:12

Finished in 68.45 seconds
186 examples, 0 failures, 2 pending

real 1m9.833s
user 1m25.996s
sys 0m8.117s

grosser · 2013-01-02T19:37:48Z

I'd say kill the comment and put it into the it
it "sets PARALLEL_TESTS to something so child processes know that parallel_tests is used"

…EL_TESTS can be set to it.

jshraibman-mdsol · 2013-01-02T21:14:53Z

Updated.

grosser · 2013-01-03T02:13:58Z

how about making it more meaningful, for example PARALLEL_TEST_GROUPS=4 ?

On Wed, Jan 2, 2013 at 1:14 PM, Joseph Shraibman
[email protected]:

Updated.

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grosser · 2013-01-03T17:05:15Z

I can do the change myself, just curious about your opinion / if you still need it

jshraibman-mdsol · 2013-01-03T18:00:03Z

Changing the name still fulfills the original purpose of having programs know they are being run inside parallel_tests. I would have made the change myself but I got caught up with other things.

Set PARALLEL_TEST environment variable.

grosser · 2013-01-04T04:31:38Z

how about groups.size instead of num_processes, since that's the real number of processes used (vs requested) ?

I'll just do it myself, also fits better with the env variable name :)

I didn't realize there was a difference or I would have used groups.size.

99% the same, just in weird edge-cases...

On Thu, Jan 3, 2013 at 8:44 PM, Joseph Shraibman
[email protected]:

In lib/parallel_tests/cli.rb:

@@ -28,7 +28,7 @@ def self.run_tests_in_parallel(num_processes, options)
report_number_of_tests runner, groups

test_results = Parallel.map(groups, :in_processes => groups.size) do |group|

run_tests(runner, group, groups.index(group), options)

run_tests(runner, group, groups.index(group), num_processes, options)

I didn't realize there was a difference or I would have used groups.size.

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grosser · 2013-01-04T04:43:11Z

-> 0.9.2, thanks for the pull :)

Set PARALLEL_TEST environment variable.

a7fbb2d

PARALLEL_TEST → PARALLEL_TESTS

30fdc3b

Try to set PARALLEL_TESTS to number of processes. Add specs.

grosser reviewed Jan 2, 2013
View reviewed changes

jshraibman-mdsol added 2 commits January 2, 2013 14:47

Get rid of comments per PR feedback.

9a1f008

Pass num_processes all the way through to execute_command() so PARALL…

c2e8ab5

…EL_TESTS can be set to it.

PARALLEL_TESTS → PARALLEL_TEST_GROUPS

b4da068

grosser added a commit that referenced this pull request Jan 4, 2013

Merge pull request #172 from jshraibman-mdsol/feature/env_var

7198afd

Set PARALLEL_TEST environment variable.

grosser merged commit 7198afd into grosser:master Jan 4, 2013

grosser reviewed Jan 4, 2013
View reviewed changes

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