🚑️ Remove circular dependency, fixes #55, #60

Gemfile.lock

@@ -1,14 +1,22 @@
 PATH
   remote: .
   specs:
-    os (1.0.1)
+    os (1.1.4)
 
 GEM
   remote: http://rubygems.org/
   specs:
     diff-lcs (1.1.3)
     power_assert (1.0.2)
     rake (0.9.6)
+    rspec (2.5.0)
+      rspec-core (~> 2.5.0)
+      rspec-expectations (~> 2.5.0)
+      rspec-mocks (~> 2.5.0)
+    rspec-core (2.5.2)
+    rspec-expectations (2.5.0)
+      diff-lcs (~> 1.1.2)
+    rspec-mocks (2.5.0)
     test-unit (3.2.3)
       power_assert
 
@@ -17,9 +25,10 @@ PLATFORMS
   x86-mingw32
 
 DEPENDENCIES
+  os!
   rake (~> 0.8)
   rspec (~> 2.5.0)
-  test-unit (~> 3)
+  test-unit (~> 3.2.0)
 
 BUNDLED WITH
    2.1.4

os.gemspec

@@ -46,21 +46,18 @@ Gem::Specification.new do |s|
     s.specification_version = 4
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<os>.freeze, [">= 0"])
       s.add_development_dependency(%q<rake>.freeze, ["~> 0.8"])
-      s.add_development_dependency(%q<test-unit>.freeze, ["~> 3"])
-      s.add_development_dependency(%q<rspec>.freeze, [">= 2.0"])
+      s.add_development_dependency(%q<test-unit>.freeze, ["~> 3.2.0"])
+      s.add_development_dependency(%q<rspec>.freeze, ["~> 2.5.0"])
     else
-      s.add_dependency(%q<os>.freeze, [">= 0"])
       s.add_dependency(%q<rake>.freeze, ["~> 0.8"])
-      s.add_dependency(%q<test-unit>.freeze, ["~> 3"])
-      s.add_dependency(%q<rspec>.freeze, [">= 2.0"])
+      s.add_dependency(%q<test-unit>.freeze, ["~> 3.2.0"])
+      s.add_dependency(%q<rspec>.freeze, ["~> 2.5.0"])
     end
   else
-    s.add_dependency(%q<os>.freeze, [">= 0"])
     s.add_dependency(%q<rake>.freeze, ["~> 0.8"])
-    s.add_dependency(%q<test-unit>.freeze, ["~> 3"])
-    s.add_dependency(%q<rspec>.freeze, [">= 2.0"])
+    s.add_dependency(%q<test-unit>.freeze, ["~> 3.2.0"])
+    s.add_dependency(%q<rspec>.freeze, ["~> 2.5.0"])
   end
 end
 

spec/os_spec.rb

@@ -121,7 +121,8 @@
   it "has working cpu count method" do
     cpu_count = OS.cpu_count
     assert cpu_count >= 1
-    assert (cpu_count & (cpu_count - 1)) == 0 # CPU count is normally a power of 2
+    # CPU count is usually either a power of 2 or an even number.
+    assert ((cpu_count & (cpu_count - 1)) == 0) || ((cpu_count % 2) == 0)
   end
 
   it "has working cpu count method with no env. variable" do
@@ -144,18 +145,19 @@
 
   it "should provide a path to directory for application config" do
     ENV.stub(:[])
+    home = '/home/user'
 
     if OS.mac?
-      ENV.stub(:[]).with('HOME').and_return('/home/user')
-      assert OS.app_config_path('appname') == '/home/xdg/Library/Application Support/appname'
+      ENV.stub(:[]).with('HOME').and_return(home)
+      assert OS.app_config_path('appname') == "#{home}/Library/Application Support/appname"
     elsif OS.doze?
       # TODO
     else
-      ENV.stub(:[]).with('HOME').and_return('/home/user')
-      assert OS.app_config_path('appname') == '/home/user/.config/appname'
+      ENV.stub(:[]).with('HOME').and_return(home)
+      assert OS.app_config_path('appname') == "#{home}/.config/appname"
 
-      ENV.stub(:[]).with('XDG_CONFIG_HOME').and_return('/home/xdg/.config')
-      assert OS.app_config_path('appname') == '/home/xdg/.config/appname'
+      ENV.stub(:[]).with('XDG_CONFIG_HOME').and_return("#{home}/.config")
+      assert OS.app_config_path('appname') == "#{home}/.config/appname"
     end
   end