Class: Spring::Test::ApplicationGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/spring/test/application_generator.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(version_constraint) ⇒ ApplicationGenerator

Returns a new instance of ApplicationGenerator.



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# File 'lib/spring/test/application_generator.rb', line 6

def initialize(version_constraint)
  @version_constraint = version_constraint
  @version            = RailsVersion.new(version_constraint.split(' ').last)
  @application        = Application.new(root)
  @bundled            = false
end

Instance Attribute Details

#application ⇒ Object (readonly)

Returns the value of attribute application.



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# File 'lib/spring/test/application_generator.rb', line 4

def application
  @application
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



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# File 'lib/spring/test/application_generator.rb', line 4

def version
  @version
end

#version_constraint ⇒ Object (readonly)

Returns the value of attribute version_constraint.



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# File 'lib/spring/test/application_generator.rb', line 4

def version_constraint
  @version_constraint
end

Instance Method Details

#append_to_file(file, add) ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 77

def append_to_file(file, add)
  rewrite_file(file) { |c| c << "#{add}\n" }
end

#build_and_install_gems ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 106

def build_and_install_gems
  manually_built_gems.each do |name|
    spec = Gem::Specification.find_by_name(name)

    FileUtils.cd(spec.gem_dir) do
      FileUtils.rm(Dir.glob("#{name}-*.gem"))
      system("gem build #{name}.gemspec 2>&1")
    end

    application.run! "gem install #{spec.gem_dir}/#{name}-*.gem", timeout: nil
  end
end

#copy_to(path) ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 119

def copy_to(path)
  system("rm -rf #{path}")
  system("cp -r #{application.root} #{path}")
end

#gemspec(name) ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 129

def gemspec(name)
  "#{Gem::Specification.find_by_name(name).gem_dir}/#{name}.gemspec"
end

#generate ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 32

def generate
  Bundler.with_clean_env { generate_files }
  install_spring
  generate_scaffold
end

#generate_files ⇒ Object

Sporadic SSL errors keep causing test failures so there are anti-SSL workarounds here



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# File 'lib/spring/test/application_generator.rb', line 39

def generate_files
  system("gem list '^rails$' --installed --version '#{version_constraint}' || " \
           "gem install rails --clear-sources --source http://rubygems.org --version '#{version_constraint}'")

  @version = RailsVersion.new(`ruby -e 'puts Gem::Specification.find_by_name("rails", "#{version_constraint}").version'`.chomp)

  skips = %w(--skip-bundle --skip-javascript --skip-sprockets)
  skips << "--skip-spring" if version.bundles_spring?

  system("rails _#{version}_ new #{application.root} #{skips.join(' ')}")
  raise "application generation failed" unless application.exists?

  FileUtils.mkdir_p(application.gem_home)
  FileUtils.mkdir_p(application.user_home)
  FileUtils.rm_rf(application.path("test/performance"))

  append_to_file(application.gemfile, "gem 'spring', '#{Spring::VERSION}'")

  if version.needs_testunit?
    append_to_file(application.gemfile, "gem 'spring-commands-testunit'")
  end

  rewrite_file(application.gemfile) do |c|
    c.sub!("https://rubygems.org", "http://rubygems.org")
    c.gsub!(/(gem '(byebug|web-console|sdoc|jbuilder)')/, "# \\1")
    c
  end


  if application.path("bin").exist?
    FileUtils.cp_r(application.path("bin"), application.path("bin_original"))
  end
end

#generate_if_missing ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 81

def generate_if_missing
  generate unless application.exists?
end

#generate_scaffold ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 124

def generate_scaffold
  application.run! "bundle exec rails g scaffold post title:string"
  application.run! "bundle exec rake db:migrate db:test:clone"
end

#install_spring ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 85

def install_spring
  return if @installed

  build_and_install_gems

  application.bundle

  FileUtils.rm_rf application.path("bin")

  if application.path("bin_original").exist?
    FileUtils.cp_r application.path("bin_original"), application.path("bin")
  end

  application.run! "#{application.spring} binstub --all"
  @installed = true
end

#manually_built_gems ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 102

def manually_built_gems
  %w(spring)
end

#rewrite_file(file) ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 73

def rewrite_file(file)
  File.write(file, yield(file.read))
end

#root ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 17

def root
  test_root.join("apps/rails-#{version.major}-#{version.minor}-spring-#{Spring::VERSION}")
end

#system(command) ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 21

def system(command)
  if ENV["SPRING_DEBUG"]
    puts "$ #{command}\n"
  else
    command = "(#{command}) > /dev/null"
  end

  Kernel.system(command) or raise "command failed: #{command}"
  puts if ENV["SPRING_DEBUG"]
end

#test_root ⇒ Object 



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# File 'lib/spring/test/application_generator.rb', line 13

def test_root
  Pathname.new Spring::Test.root
end