Class: Wire::SpecWriter

Inherits:
Object
  • Object
show all
Defined in:
lib/wire/commands/spec_writer.rb

Overview

SpecWriter is able to create a directory structure according to basic serverspec needs and fill in the templates

Instance Method Summary collapse

Constructor Details

#initialize(target_dir, spec_contents) ⇒ SpecWriter

create SpecWriter in target_dir directory with given spec_contents



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# File 'lib/wire/commands/spec_writer.rb', line 15

def initialize(target_dir, spec_contents)
  @target_dir = target_dir
  @spec_contents = spec_contents
end

Instance Method Details

#ensure_directory_structure ⇒ Object

make sure that we have a rspec-conformant dir structure



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# File 'lib/wire/commands/spec_writer.rb', line 27

def ensure_directory_structure
  ensure_directory @target_dir
  ensure_directory File.join(@target_dir, 'spec')
  ensure_directory File.join(@target_dir, 'spec', 'localhost')
end

#ensure_files ⇒ Object

ensures that all serverspec skeleton files such as Rakefile, spec_helper etc. exist Then writes the models specification files into the skeleton



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# File 'lib/wire/commands/spec_writer.rb', line 43

def ensure_files
  rakefile_name = File.join(@target_dir, 'Rakefile')
  file?(rakefile_name) || File.open(rakefile_name, 'w') do |file|
    write_template(SpecTemplates.template_rakefile, file)
  end

  spechelper_name = File.join(@target_dir, 'spec', 'spec_helper.rb')
  file?(spechelper_name) || File.open(spechelper_name, 'w') do |file|
    write_template(SpecTemplates.template_spec_helper, file)
  end

  specfile_name = File.join(@target_dir, 'spec', 'localhost', 'wire_spec.rb')
  File.open(specfile_name, 'w') do |file|
    template = <<ERB
require 'spec_helper.rb'

# begin of generated specs

<%= @spec_contents.join('\n') %>

# end of spec file
ERB
    write_template(template, file)
  end
end

#write ⇒ Object

writes spec to disk



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# File 'lib/wire/commands/spec_writer.rb', line 21

def write
  ensure_directory_structure
  ensure_files
end

#write_template(template, file) ⇒ Object

writes erb template to open file object



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# File 'lib/wire/commands/spec_writer.rb', line 34

def write_template(template, file)
  erb = ERB.new(template, nil, '%')
  file.puts(erb.result(binding))
end