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I am working on a small plugin and include simple words. In my gem file, I have a line:

gem 'simplecov', :require => false, :group => :test 

In my test file, I put the line require "projectname/devuntil/rspec/spec_helper" at the very top of the file.

In my spec_helper.rb file, I add simplecov at the top of the file

 if ENV['COVERAGE'] require 'simplecov' require 'coveralls' puts "require simplecov and coveralls" SimpleCov.formatter = SimpleCov::Formatter::MultiFormatter[ SimpleCov::Formatter::HTMLFormatter, Coveralls::SimpleCov::Formatter ] SimpleCov.start do add_filter 'spec/' add_filter 'vendor/' puts "Start simple coverage" end end 

When I try to run a test using the COVERAGE=true bundle exec rspec , it shows:

 [ root@node1 logstash-input-imap]# COVERAGE=true bundle exec rspec Coverage may be inaccurate; set the "--debug" command line option, or do JRUBY_OPTS="--debug" or set the "debug.fullTrace=true" option in your .jrubyrc require simplecov and coveralls /usr/local/rvm/gems/jruby-9.1.7.0/gems/logstash-devutils-1.3.3-java/lib/logstash/devutils/rspec/spec_helper.rb:6:in `<main>': [DEPRECATION] ::[] is deprecated. Use ::new instead. Start simple coverage /usr/local/rvm/gems/jruby-9.1.7.0/gems/simplecov-0.15.0/lib/simplecov.rb:48: warning: tracing (eg set_trace_func) will not capture all events without --debug flag --- jar coordinate com.fasterxml.jackson.core:jackson-databind already loaded with version 2.7.4 - omit version 2.7.3 --- jar coordinate com.fasterxml.jackson.core:jackson-annotations already loaded with version 2.7.0 - omit version 2.7.3 --- jar coordinate com.fasterxml.jackson.module:jackson-module-afterburner already loaded with version 2.7.4 - omit version 2.7.3 --- jar coordinate com.fasterxml.jackson.core:jackson-core already loaded with version 2.7.4 - omit version 2.7.3 ERROR StatusLogger No log4j2 configuration file found. Using default configuration: logging only errors to the console. Sending Logstash logs to which is now configured via log4j2.properties Run options: exclude {:redis=>true, :socket=>true, :performance=>true, :couchdb=>true, :elasticsearch=>true, :elasticsearch_secure=>true, :export_cypher=>true, :integration=>true, :windows=>true} Randomized with seed 6877 .function called .function called .function called .function called .function called .function called . Finished in 4.04 seconds (files took 16.56 seconds to load) 7 examples, 0 failures Randomized with seed 6877 Coverage report generated for RSpec to /root/Downloads/logstash-input-imap/coverage. 0 / 88 LOC (0.0%) covered. [Coveralls] Outside the Travis environment, not sending data. 

Although my function was called, but it still showed 0.0%. What could be the problem here and how to fix it? Thanks

Answer 1

You can try creating .jrubyrc at the root of your project using this content:

cli.debug = true

debug.fullTrace = true