Class: Railstest::DatabaseManager

Inherits:
Object
  • Object
show all
Defined in:
lib/railstest/database_manager.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(database:, compose_file: nil) ⇒ DatabaseManager

Returns a new instance of DatabaseManager.



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# File 'lib/railstest/database_manager.rb', line 7

def initialize(database:, compose_file: nil)
  @database = database
  @compose_file = compose_file || find_compose_file
  @docker_compose_cmd = detect_docker_compose_command
end

Instance Attribute Details

#compose_file ⇒ Object (readonly)

Returns the value of attribute compose_file.



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# File 'lib/railstest/database_manager.rb', line 5

def compose_file
  @compose_file
end

#database ⇒ Object (readonly)

Returns the value of attribute database.



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# File 'lib/railstest/database_manager.rb', line 5

def database
  @database
end

Instance Method Details

#requires_container? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/railstest/database_manager.rb', line 80

def requires_container?
  database && database != 'sqlite'
end

#setup_database(docker_manager) ⇒ Object 



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# File 'lib/railstest/database_manager.rb', line 41

def setup_database(docker_manager)
  return unless requires_container?

  wait_for_ready

  puts "Running DB setup for #{database}..."

  env_vars = {
    'DATABASE' => database,
    'TARGET_DB' => database,
    'RAILS_ENV' => 'test'
  }

  volumes = []
  workdir = nil

  if docker_manager.target_gem_mode?
    volumes << "#{docker_manager.expanded_gem_path}:/app/target_gem"
    workdir = '/app/test_app'
  else
    env_vars['BUNDLE_GEMFILE'] = "/app/gemfiles/rails_#{docker_manager.rails_version_for_gemfile}.gemfile"
  end

  # Try db:drop first, if it fails, just create
  unless docker_manager.run_command(
    ['db:drop', 'db:create', 'db:schema:load'],
    env_vars: env_vars,
    volumes: volumes,
    workdir: workdir
  )
    docker_manager.run_command(
      ['db:create', 'db:schema:load'],
      env_vars: env_vars,
      volumes: volumes,
      workdir: workdir
    )
  end
end

#start ⇒ Object 



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# File 'lib/railstest/database_manager.rb', line 13

def start
  return unless requires_container?

  puts "Starting #{database} container..."
  system("#{@docker_compose_cmd} -f #{compose_file} up -d #{database}")
end

#stop ⇒ Object 



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# File 'lib/railstest/database_manager.rb', line 20

def stop
  return unless requires_container?

  puts "Stopping #{database} container..."
  system("#{@docker_compose_cmd} -f #{compose_file} down")
end

#wait_for_ready ⇒ Object

Raises:



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# File 'lib/railstest/database_manager.rb', line 27

def wait_for_ready
  return unless requires_container?

  puts "Waiting for #{database} to accept connections..."

  30.times do
    return true if ready?

    sleep 1
  end

  raise Error, "#{database.capitalize} did not become ready in time."
end