1 files changed, 75 insertions, 0 deletions
diff --git a/spec/bundler/support/platforms.rb b/spec/bundler/support/platforms.rb
new file mode 100644
index 0000000000..56a0843005
--- /dev/null
+++ b/spec/bundler/support/platforms.rb
@@ -0,0 +1,75 @@
+# frozen_string_literal: true
+
+module Spec
+  module Platforms
+    def not_local
+      generic_local_platform == Gem::Platform::RUBY ? "java" : Gem::Platform::RUBY
+    end
+
+    def local_platform
+      Bundler.local_platform
+    end
+
+    def generic_local_platform
+      Gem::Platform.generic(local_platform)
+    end
+
+    def local_tag
+      if Gem.java_platform?
+        :jruby
+      elsif Gem.win_platform?
+        :windows
+      else
+        :ruby
+      end
+    end
+
+    def not_local_tag
+      [:jruby, :windows, :ruby].find {|tag| tag != local_tag }
+    end
+
+    def local_ruby_engine
+      RUBY_ENGINE
+    end
+
+    def local_engine_version
+      RUBY_ENGINE == "ruby" ? Gem.ruby_version : RUBY_ENGINE_VERSION
+    end
+
+    def not_local_engine_version
+      case not_local_tag
+      when :ruby, :windows
+        not_local_ruby_version
+      when :jruby
+        "1.6.1"
+      end
+    end
+
+    def not_local_ruby_version
+      "1.12"
+    end
+
+    def not_local_patchlevel
+      9999
+    end
+
+    def default_platform_list(*extra, defaults: default_locked_platforms)
+      defaults.concat(extra).map(&:to_s).uniq
+    end
+
+    def lockfile_platforms(*extra, defaults: default_locked_platforms)
+      platforms = default_platform_list(*extra, defaults: defaults)
+      platforms.sort.join("\n  ")
+    end
+
+    def default_locked_platforms
+      [local_platform, generic_default_locked_platform].compact
+    end
+
+    def generic_default_locked_platform
+      return unless Bundler::MatchPlatform.generic_local_platform_is_ruby?
+
+      Gem::Platform::RUBY
+    end
+  end
+end