Added tests for function_completion_caveats

Library/Homebrew/caveats.rb

@@ -164,20 +164,8 @@ class Caveats
   def plist_caveats
     s = []
     if f.plist || (keg && keg.plist_installed?)
-      destination = if f.plist_startup
-        "/Library/LaunchDaemons"
-      else
-        "~/Library/LaunchAgents"
-      end
-
-      plist_filename = if f.plist
-        f.plist_path.basename
-      else
-        File.basename Dir["#{keg}/*.plist"].first
-      end
       plist_domain = f.plist_path.basename(".plist")
-      destination_path = Pathname.new File.expand_path destination
-      plist_path = destination_path/plist_filename
+      plist_path = plist_complete_path
 
       # we readlink because this path probably doesn't exist since caveats
       # occurs before the link step of installation
@@ -209,10 +197,29 @@ class Caveats
         s << "  #{f.plist_manual}"
       end
 
+      # pbpaste is a system clipboard tool for OSX that doesn't work well with tmux
+      # This checks if tmux is being used and warns about brew failure
       if ENV["TMUX"] && !quiet_system("/usr/bin/pbpaste")
         s << "" << "WARNING: brew services will fail when run under tmux."
       end
     end
     s.join("\n") + "\n" unless s.empty?
   end
+
+  def plist_complete_path
+    destination = if f.plist_startup
+      "/Library/LaunchDaemons"
+    else
+      "~/Library/LaunchAgents"
+    end
+
+    plist_filename = if f.plist
+      f.plist_path.basename
+    else
+      File.basename Dir["#{keg}/*.plist"].first
+    end
+    destination_path = Pathname.new File.expand_path destination
+
+    return destination_path/plist_filename
+  end
 end

Library/Homebrew/test/caveats_spec.rb

@@ -97,5 +97,83 @@ describe Caveats do
         end
       end
     end
+
+    context "shell completions" do
+      let(:f) {
+        formula do
+          url "foo-1.0"
+        end
+      }
+      let(:caveats) { described_class.new(f).caveats }
+      let(:path) { f.prefix.resolved_path }
+
+      before do
+        allow_any_instance_of(Pathname).to receive(:children).and_return([Pathname.new("child")])
+        allow_any_instance_of(Object).to receive(:which).with(any_args).and_return(Pathname.new("shell"))
+      end
+
+      it "gives dir where bash completions have been installed" do
+        (path/"etc/bash_completion.d").mkpath
+        expect(caveats).to include(HOMEBREW_PREFIX/"etc/bash_completion.d")
+      end
+
+      it "gives dir where zsh completions have been installed" do
+        (path/"share/zsh/site-functions").mkpath
+        expect(caveats).to include(HOMEBREW_PREFIX/"share/zsh/site-functions")
+      end
+
+      it "gives dir where fish completions have been installed" do
+        (path/"share/fish/vendor_completions.d").mkpath
+        expect(caveats).to include(HOMEBREW_PREFIX/"share/fish/vendor_completions.d")
+      end
+    end
+
+    context "when plist_caveats are given" do
+      it "gives information about plist_manual" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+          plist_options manual: "foo"
+        end
+        caveats = described_class.new(f).caveats
+
+        expect(caveats).to include("background service")
+        expect(caveats).to include(f.plist_manual)
+      end
+
+      it "warns about brew failing under tmux" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+        end
+        allow(ENV).to receive(:[]).with("TMUX").and_return(true)
+        allow(Homebrew).to receive(:_system).with("/usr/bin/pbpaste").and_return(false)
+        caveats = described_class.new(f).caveats
+
+        expect(caveats).to include("WARNING:")
+        expect(caveats).to include("tmux")
+      end
+
+      it "gives information about restarting services after upgrade" do
+        f = formula do
+          url "foo-1.0"
+          def plist
+            "plist_test.plist"
+          end
+          plist_options startup: true
+        end
+        f_obj = described_class.new(f)
+        plist_path = Pathname.new("plist")
+        FileUtils.touch plist_path
+        allow(f_obj).to receive(:plist_complete_path).and_return(plist_path)
+        allow(plist_path).to receive(:symlink?).and_return(true)
+        expect(f_obj.caveats).to include("restart #{f.full_name}")
+        expect(f_obj.caveats).to include("sudo")
+      end
+    end
   end
 end