Revert "Added tests for os/mac/keg"

Library/Homebrew/test/os/mac/keg_spec.rb

@@ -5,54 +5,28 @@ describe Keg do
 
   subject { described_class.new(keg_path) }
 
+  describe "#mach_o_files" do
     let(:keg_path) { HOMEBREW_CELLAR/"a/1.0" }
-  let(:file) { keg_path/"lib/i386.dylib" }
 
-  before(:each) do
-    (keg_path/"lib").mkpath
-    cp dylib_path("i386"), file
-    subject.link
-  end
+    before(:each) { (keg_path/"lib").mkpath }
 
     after(:each) { subject.unlink }
 
-  describe "#change_dylib_id" do
-    it "does nothing if given id is same as file's dylib id" do
-      id = file.dylib_id
-      file.change_dylib_id(id)
-      expect(file.dylib_id).to eq(id)
-    end
+    it "skips hardlinks" do
+      cp dylib_path("i386"), keg_path/"lib/i386.dylib"
+      ln keg_path/"lib/i386.dylib", keg_path/"lib/i386_hardlink.dylib"
+
+      subject.link
+      expect(subject.mach_o_files.count).to eq(1)
     end
 
-  describe "#change_install_name" do
-    it "does nothing if given name is same as file's install name" do
-      file.ensure_writable do
-        subject.each_install_name_for(file) do |name|
-          file.change_install_name(name, name)
-          expect(name).to eq(name)
-        end
-      end
-    end
+    it "isn't confused by symlinks" do
+      cp dylib_path("i386"), keg_path/"lib/i386.dylib"
+      ln keg_path/"lib/i386.dylib", keg_path/"lib/i386_hardlink.dylib"
+      ln_s keg_path/"lib/i386.dylib", keg_path/"lib/i386_symlink.dylib"
 
-    it "does nothing when install name start with '/'" do
-      file.ensure_writable do
-        subject.each_install_name_for(file) do |name|
-          new_name = subject.fixed_name(file, name)
-          file.change_install_name(name, new_name)
-          expect(name).not_to eq(new_name)
-        end
-      end
-    end
-  end
-
-  describe "#require_relocation?" do
-    it "is set to false at initialization" do
-      expect(subject.require_relocation?).to be false
-    end
-
-    it "is set to true after linkage is fixed" do
-      subject.fix_dynamic_linkage
-      expect(subject.require_relocation?).to be true
+      subject.link
+      expect(subject.mach_o_files.count).to eq(1)
     end
   end
 end