Reorder and rename test files.

Library/Homebrew/dev-cmd/tests.rb

@@ -8,7 +8,7 @@ module Homebrew
   module_function
 
   def tests
-    (HOMEBREW_LIBRARY/"Homebrew").cd do
+    HOMEBREW_LIBRARY_PATH.cd do
       ENV.delete "HOMEBREW_VERBOSE"
       ENV.delete "VERBOSE"
       ENV["HOMEBREW_NO_ANALYTICS_THIS_RUN"] = "1"
@@ -44,8 +44,8 @@ module Homebrew
       # Make it easier to reproduce test runs.
       ENV["SEED"] = ARGV.next if ARGV.include? "--seed"
 
-      files = Dir["test/test_*.rb"]
+      files = Dir.glob("test/test/**/*_test.rb")
-      files -= Dir["test/test_os_mac_*.rb"] unless OS.mac?
+                 .reject { |p| !OS.mac? && p.start_with?("test/test/os/mac/") }
 
       opts = []
       opts << "--serialize-stdout" if ENV["CI"]
@@ -54,16 +54,14 @@ module Homebrew
       args << "--trace" if ARGV.include? "--trace"
 
       if ARGV.value("only")
-        ENV["HOMEBREW_TESTS_ONLY"] = "1"
+        test_name, test_method = ARGV.value("only").split(":", 2)
-        test_name, test_method = ARGV.value("only").split("/", 2)
+        files = Dir.glob("test/test/{#{test_name},#{test_name}/**/*}_test.rb")
-        files = ["test/test_#{test_name}.rb"]
         args << "--name=test_#{test_method}" if test_method
       end
 
       args += ARGV.named.select { |v| v[/^TEST(OPTS)?=/] }
 
-      system "bundle", "exec", "parallel_test", *opts,
+      system "bundle", "exec", "parallel_test", *opts, "--", *args, "--", *files
-        "--", *args, "--", *files
 
       Homebrew.failed = !$?.success?
 

Library/Homebrew/test/test/create_test.rb

@@ -2,7 +2,7 @@ require "helper/integration_command_test_case"
 
 class IntegrationCommandTestCreate < IntegrationCommandTestCase
   def test_create
-    url = "file://#{File.expand_path("..", __FILE__)}/tarballs/testball-0.1.tbz"
+    url = "file://#{TEST_DIRECTORY}/tarballs/testball-0.1.tbz"
     cmd("create", url, "HOMEBREW_EDITOR" => "/bin/cat")
 
     formula_file = CoreTap.new.formula_dir/"testball.rb"

Library/Homebrew/test/test/formulary_test.rb

@@ -18,7 +18,7 @@ class FormularyFactoryTest < Homebrew::TestCase
   def setup
     @name = "testball_bottle"
     @path = CoreTap.new.formula_dir/"#{@name}.rb"
-    @bottle_dir = Pathname.new("#{File.expand_path("..", __FILE__)}/bottles")
+    @bottle_dir = Pathname.new("#{TEST_DIRECTORY}/bottles")
     @bottle = @bottle_dir/"testball_bottle-0.1.#{Utils::Bottles.tag}.bottle.tar.gz"
     @path.write <<-EOS.undent
       class #{Formulary.class_s(@name)} < Formula