cleaning specification monkeypatches

Author: mpapis

lib/gem-empty/specification.rb

@@ -1,4 +1,5 @@
 module GemEmpty
+  # monkey patch rubygems specification to easily find gem version
   module Specification
     def self.installed_gems
       if
@@ -9,11 +10,12 @@ def self.installed_gems
         Gem.source_index.map{|name,spec| spec}
       end
     end
-    def self.find(name = "gem-empty")
-      @gem_empty_spec ||= installed_gems.find{|spec| spec.name == name}
+    def self.find_gem_spec(name)
+      installed_gems.find{|spec| spec.name == name}
     end
-    def self.version
-      find ? find.version.to_s : nil
+    def self.gem_loaded?(name, version)
+      spec = find_gem_spec(name)
+      spec && spec.version.to_s == version
     end
   end
 end

lib/rubygems_plugin.rb

@@ -5,10 +5,9 @@
 
 # continue only if loaded and called versions all the same, and not shared gems disabled in bundler
 if
-  ( $:.include?(called_path) || GemEmpty::Specification.version == called_version ) and
+  ( $:.include?(called_path) || GemEmpty::Specification.gem_loaded?("gem-empty", called_version) ) and
   ( !defined?(Bundler) || ( defined?(Bundler) && Bundler::SharedHelpers.in_bundle? && !Bundler.settings[:disable_shared_gems]) )
-
+then
   require 'gem-empty/command'
   Gem::CommandManager.instance.register_command :empty
-
 end

test/gem-empty/specification_and_version_test.rb

@@ -9,15 +9,19 @@
   end
 
   it "finds specification" do
-    GemEmpty::Specification.find("gem-empty").name.must_equal("gem-empty")
+    GemEmpty::Specification.find_gem_spec("gem-empty").name.must_equal("gem-empty")
   end
 
-  it "gets specification version" do
-    GemEmpty::Specification.version.must_equal(GemEmpty::VERSION)
+  it "does not find imaginary gems" do
+    GemEmpty::Specification.find_gem_spec("imaginary-gem").must_equal(nil)
   end
 
-  it "does not find imaginary gems" do
-    GemEmpty::Specification.find("imaginary-gem").must_equal(nil)
+  it "confirms specification version" do
+    GemEmpty::Specification.gem_loaded?("gem-empty", GemEmpty::VERSION).must_equal true
+  end
+
+  it "does not confirms specification version" do
+    GemEmpty::Specification.gem_loaded?("gem-empty", "0.0.0").wont_equal true
   end
 
 end