```ruby
require 'spec_helper'

describe 'default configuration' do
  default_config =
    YAML.load_file(Overcommit::ConfigurationLoader::DEFAULT_CONFIG_PATH).to_hash

  Overcommit::Utils.supported_hook_type_classes.each do |hook_type|
    context "within the #{hook_type} configuration section" do
      default_config[hook_type].each do |hook_name, hook_config|
        next if hook_name == 'ALL'

        it "explicitly sets the `enabled` option for #{hook_name}" do
          # Use variable names so it reads nicer in the RSpec output
          hook_enabled_option_set = !hook_config['enabled'].nil?
          all_hook_enabled_option_set = !default_config[hook_type]['ALL']['enabled'].nil?

          (hook_enabled_option_set || all_hook_enabled_option_set).should == true
        end
      end
    end
  end
end
```

Add tests verifying configuration for hooks
user
```ruby
require 'spec_helper'

describe 'default configuration' do
  default_config =
    YAML.load_file(Overcommit::ConfigurationLoader::DEFAULT_CONFIG_PATH).to_hash

  Overcommit::Utils.supported_hook_types.each do |hook_type|
    hook_class = Overcommit::Utils.camel_case(hook_type)

    Dir[File.join(Overcommit::HOOK_DIRECTORY, hook_type.gsub('-', '_'), '*')].
      map { |hook_file| Overcommit::Utils.camel_case(File.basename(hook_file, '.rb')) }.
      each do |hook|
      next if hook == 'Base'

      context "for the #{hook} #{hook_type} hook" do
        it 'exists in config/default.yml' do
          default_config[hook_class][hook].should_not be_nil
        end

        it 'explicitly sets the enabled option' do
          # Use variable names so it reads nicer in the RSpec output
          hook_enabled_option_set = !default_config[hook_class][hook]['enabled'].nil?
          all_hook_enabled_option_set = !default_config[hook_class]['ALL']['enabled'].nil?

          (hook_enabled_option_set || all_hook_enabled_option_set).should == true
        end

        it 'defines a description' do
          default_config[hook_class][hook]['description'].should_not be_nil
        end
      end
    end
  end
end
```
assistant