Merge pull request #190 from jshraibman-mdsol/fix/abs_coverage_dir

Allow coverage_dir to be an absolute path

features/config_coverage_dir.feature

@@ -18,3 +18,16 @@ Feature:
     When I successfully run `bundle exec rake test`
     Then a coverage report should have been generated in "test/simplecov"
     And a directory named "coverage" should not exist
+
+  Scenario:
+    Given SimpleCov for Test/Unit is configured with:
+      """
+      require 'simplecov'
+      SimpleCov.start do
+        coverage_dir '/tmp/test/simplecov'
+      end
+      """
+
+    When I successfully run `bundle exec rake test`
+    Then a coverage report should have been generated in "/tmp/test/simplecov"
+    And a directory named "coverage" should not exist

lib/simplecov/configuration.rb

@@ -35,7 +35,7 @@ def coverage_dir(dir=nil)
   # values. Will create the directory if it's missing
   #
   def coverage_path
-    coverage_path = File.join(root, coverage_dir)
+    coverage_path = File.expand_path(coverage_dir, root)
     FileUtils.mkdir_p coverage_path
     coverage_path
   end