Module: Jax::Testing::RailsEnvironment

Defined in:
lib/jax/testing/rails_environment.rb

Overview

Set up a subclass of Rails::Application and set ‘config.root` to a temporary path prior to calling #setup_rails_environment.

Example:

include Jax::Testing::RailsEnvironment

setup do
  setup_rails_environment

  create_file "app/assets/jax/resources/people/default.resource" do |f|
    f.puts "name: Colin"
  end

  create_file "version", "1.0.0"
end

Instance Method Summary collapse

Instance Method Details

#append_to_file(file, content = nil, &block) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 76

def append_to_file(file, content = nil, &block)
  if File.file?(local file)
    File.open(local(file), "w+") do |f|
      f.puts content if content
      yield f if block_given?
    end
  else
    create_file(file, content, &block)
  end
end

#asset(path) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 70

def asset(path)
  asset = assets.find_asset(path)
  raise "asset not found: #{path} in #{@asset_dir}" unless asset
  asset.to_s
end

#assets ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 66

def assets
  ::Rails.application.assets
end

#create_asset(file, content = nil, &block) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 56

def create_asset(file, content = nil, &block)
  create_file File.join("app/assets/jax", file), content, &block
end

#create_directory(dir) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 44

def create_directory(dir)
  FileUtils.mkdir_p local(dir)
end

#create_empty_directory(dir) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 39

def create_empty_directory dir
  FileUtils.rm_rf local(dir)
  create_directory dir
end

#create_file(file, content = nil) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 48

def create_file(file, content = nil)
  create_directory File.dirname(file)
  File.open(local(file), "w") do |f|
    f.puts content if content
    yield f if block_given?
  end
end

#create_shader(path, contents = {}) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 60

def create_shader(path, contents = {})
  create_asset File.join("shaders", path, "common.glsl"),   contents[:common]   if contents[:common]
  create_asset File.join("shaders", path, "fragment.glsl"), contents[:fragment] if contents[:fragment]
  create_asset File.join("shaders", path, "vertex.glsl"),   contents[:vertex]   if contents[:vertex]
end

#local(path) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 35

def local(path)
  path =~ /^#{Regexp::escape ::Rails.root.to_s}/ ? path : ::Rails.root.join(path).to_s
end

#route(content) ⇒ Object 



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# File 'lib/jax/testing/rails_environment.rb', line 87

def route(content)
  append_to_file "config/routes.rb" # create it if missing
  routes = File.read(local "config/routes.rb")
  create_file("config/routes.rb", routes.sub(/Rails.application.routes.draw do$/, "\\1#{content}"))
end

#setup_rails_environment ⇒ Object

WARNING: Set Rails.application.config.root to some temporary directory name before calling this method! This method deletes the Rails root in order to set up the fixture for the next test run.



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# File 'lib/jax/testing/rails_environment.rb', line 23

def setup_rails_environment
  root = ::Rails.root.to_s
  
  create_empty_directory root
  create_directory 'app/assets' # required for Rails to pick up assets paths
  create_file "config/routes.rb" do |f|
    f.puts "Rails.application.routes.draw do\nend"
  end

  Jax.reset_config!
end