Class: Opal::RSpec::RakeTask

Inherits:
Object
  • Object
show all
Defined in:
lib/opal/rspec-formatter/rake_task.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name = 'opal:rspec', &block) ⇒ RakeTask

Returns a new instance of RakeTask.



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 51

def initialize(name = 'opal:rspec', &block)
  # We'll add our formatter set code before any main code that uses this task runs. This also should work
  # out of the box with opal-rails, which uses a different server.main util than others
  runner_block = lambda do |server|
    block[server] if block
    run_before_this = server.main
    # TODO: Surely a better way than environment variables to pass this on?          
    ENV['opal_rspec_after_formatter_set'] = run_before_this
    server.main = 'opal/rspec/sprockets_runner_customformat'
    
    add_to_load_path get_custom_load_path_expressions, server
    if is_teamcity        
      add_to_load_path get_default_teamcity_load_path_expressions, server
      validate_teamcity_is_there server
    end
  end
  
  orig_init name, &runner_block
end

Class Method Details

.get_requires ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 7

def self.get_requires
  spec_opts = ENV['SPEC_OPTS']
  return [] unless spec_opts
  spec_opts.scan(/--require (\S+)/).flatten
end

Instance Method Details

#add_to_load_path(expressions, server) ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 20

def add_to_load_path(expressions, server)
  expressions.each do |r|      
    matches = $:.select {|path| r.match(path)}
    matches.each do |load_path|
      puts "Adding #{load_path} to Opal path"
      server.append_path load_path
    end
  end
end

#get_custom_load_path_expressions ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 13

def get_custom_load_path_expressions
  spec_opts = ENV['SPEC_OPTS']
  return [] unless spec_opts
  matches = spec_opts.scan /--append_exp_from_load_path (\S+)/
  matches.flatten.map {|m| Regexp.new(Regexp.escape(m))}
end

#get_default_teamcity_load_path_expressions ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 30

def get_default_teamcity_load_path_expressions
  [/patch\/bdd/, /patch\/common/]
end

#is_teamcity ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 38

def is_teamcity
  Opal::RSpec::RakeTask.get_requires.include? teamcity_require_indicator
end

#orig_init ⇒ Object

Monkey patching the constructor without duplicating it here



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 5

alias_method :orig_init, :initialize

#teamcity_require_indicator ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 34

def teamcity_require_indicator
  'teamcity/spec/runner/formatter/teamcity/formatter'
end

#validate_teamcity_is_there(server) ⇒ Object 



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# File 'lib/opal/rspec-formatter/rake_task.rb', line 42

def validate_teamcity_is_there(server)
  filename = teamcity_require_indicator+'.rb'
  paths = server.sprockets.paths
  found = paths.find {|p| File.exist?(File.join(p, filename))}
  unless found
    raise "TeamCity formatter require (#{filename}) supplied, but was not able to find Teamcity classes in Opal paths #{Opal.paths}. By default, anything in the Ruby load path that matches #{get_default_teamcity_load_path_expressions} will be used. If this needs to be changed, supply -- append_exp_from_load_path in the SPEC_OPTS env variable with another regex."
  end
end