git_steps.rb in grog-0.0.4

- old
+ new

@@ -1,16 +1,45 @@
-Given /^a test git repo$/ do
-  features_dir = File.expand_path(File.dirname(__FILE__) + '/..')
-  @root_dir = File.expand_path(File.dirname(__FILE__) + '/../..')
-  @tmp_git_repo_dir = File.join(features_dir, 'tmp', 'git_repo')
-  if File.exists?(@tmp_git_repo_dir)
-    `rm -rf #{@tmp_git_repo_dir}`
+module GitHelpers
+  def set_root_path_variable
+    @root_dir ||= File.expand_path(File.dirname(__FILE__) + '/../..')
   end
+
+  def set_repo_path_variable(name)
+    set_root_path_variable
+    unless @tmp_git_repo_dir
+      @features_dir = File.expand_path(File.dirname(__FILE__) + '/..')
+      @tmp_git_repo_dir = File.join(@features_dir, 'tmp', name)
+    end
+  end
+
+  def delete_temporary_test_repo
+    if File.exists?(@tmp_git_repo_dir)
+      `rm -rf #{@tmp_git_repo_dir}`
+    end
+  end
+
+  def untar_tarball_to_test_repo_location(tarball_name)
+    tarball_path = File.join(@root_dir, 'spec', tarball_name + '.tgz')
+    Dir.chdir(File.join(@features_dir, 'tmp'))
+    `tar zxf #{tarball_path}`
+  end
+end
+
+Given /^a test git repo$/ do
+  name = 'git_repo'
+  set_repo_path_variable(name)
+  delete_temporary_test_repo(name)
   `mkdir #{@tmp_git_repo_dir}`
   `git init #{@tmp_git_repo_dir}`
 end
 
+Given /^a test git repo extracted from the "([^\"]*)" tarball$/ do |tarball_name|
+  set_repo_path_variable(tarball_name)
+  delete_temporary_test_repo
+  untar_tarball_to_test_repo_location(tarball_name)
+end
+
 Given /^the test git repo has a file called "([^\"]*)" containing "([^\"]*)"$/ do |filename, content|
   File.open(File.join(@tmp_git_repo_dir, filename), 'w') do |file|
     file.puts content
   end
 end
@@ -23,5 +52,7 @@
 
 Given /^a checkout in the git repo with new branch called "([^\"]*)"$/ do |branch_name|
   Dir.chdir(@tmp_git_repo_dir)
   `git checkout -b #{branch_name} 2> /dev/null`
 end
+
+World(GitHelpers)