cucumber2: cannot find tags

[akostadinov]

running cucumber like cucumber features/test/tmp.feature:91 works but running like cucumber --tags @pry results in:

undefined method `describe_to' for nil:NilClass (NoMethodError)
/usr/local/share/gems/gems/rspec-expectations-2.14.4/lib/rspec/matchers/method_missing.rb:9:in `method_missing'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core/compiler.rb:12:in `feature'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core/gherkin/parser.rb:19:in `document'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core.rb:12:in `block in parse'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core.rb:11:in `each'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core.rb:11:in `parse'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core.rb:23:in `compile'
/home/avalon/.gem/ruby/gems/cucumber-core-1.0.0.beta.3/lib/cucumber/core.rb:31:in `execute'
/home/avalon/.gem/ruby/gems/cucumber-2.0.0.beta.3/lib/cucumber/runtime.rb:71:in `run!'
/home/avalon/.gem/ruby/gems/cucumber-2.0.0.beta.3/lib/cucumber/cli/main.rb:38:in `execute!'
/home/avalon/.gem/ruby/gems/cucumber-2.0.0.beta.3/bin/cucumber:9:in `<top (required)>'
/usr/local/bin/cucumber:23:in `load'
/usr/local/bin/cucumber:23:in `<main>'

The same worked in 1.3.x

[mikz]

For me I get the same error when when running just cucumber.
edit: I have features/api/somefeature.feature

[mattwynne]

Can someone give us a concrete case to reproduce this from?

[mikz]

@mattwynne in empty folder with 2.0.0.beta.3:

mkdir -p features/api
touch features/api/buckets.feature
cucumber features/api/buckets.feature

[erran]

@mattwynne Check out erran/cucumber-issue-771:

• My interpretation of @akostadinov's issue — features/subdirectory/nested.feature
• @mikz's suggestion works to reproduce — I'll look at creating a failing spec using the empty file route.

[akostadinov]

@erran , thank you for looking into that issue. Let me explain some differences in my usage. I have the tag set for the scenario, not the whole feature. Also I am not running cucumber features/subdirectory/nested.feature --tags @sometag but cucumber --tags @sometag. With cucumber 1.x both work fine while with 2.x the former works and the latter does not work.
I hope this clarifies it.

[erran]

@akostadinov I moved the tag to the Scenario level erran/cucumber-issue-771@2dda985. I see the error you described with the empty file using anything that runs parses the bad file: cucumber, cucumber --tags @sometag, or cucumber features/api/buckets.feature. The nested file itself does not generate the error for me though. Do you know of an empty file or a file with some sort of malformed Gherkin in your test suite?

[akostadinov]

@erran, hah, it turned out that I really had an empty feature file. Removing that feature file made cucumber work. Hopefully cucumber can be more resilient to parse errors and/or log the offending files so user can fix.
Big thank you for the help though because now things work for me.

[brasmusson]

What I can see this issue is all about the handling of totally empty feature files in Cucumber v2.0.0.beta3. When running cucumber features/test/tmp.feature:91, any empty feature file in the features directory will not be read, so it works as expected. But when running cucumber --tags @pry all feature files will be searched for features/scenarios with the tag @pry, so the undefined method error is triggered when processing an empty feature files. It has nothing to do with the tag handling of Cucumber.

The handling of empty feature files is fixed by cucumber/cucumber-ruby-core#77.

[akostadinov]

that's correct

[mattwynne]

Thanks Bjorn!

[lock]

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