Use Correct Project Config File Path When Generating Config File

* 440-fix-config-file-path-in-project-config - use full project config file path when generating project config file

* MISC - refactor "should always generate a project file" spec -- use Dir.mktmpdir

* 440-fix-config-file-path-in-project-config - update CHANGELOG.md

Closes #440.

CHANGELOG.md

@@ -1,4 +1,5 @@
 ## Unreleased
+- use correct paths in generated config file comment (#440)
 - fix "wrong namespace" RuboCop warnings (#620)
 
 ## 0.11.2

lib/tmuxinator/assets/sample.yml

@@ -1,4 +1,4 @@
-# ~/.tmuxinator/<%= name %>.yml
+# <%= path %>
 
 name: <%= name %>
 root: ~/

spec/lib/tmuxinator/cli_spec.rb

@@ -638,21 +638,26 @@ describe Tmuxinator::Cli do
   end
 
   describe "#generate_project_file" do
-    let(:name) { "foobar" }
-    let(:path) { Tmuxinator::Config.default_project(name) }
-
-    before do
-      expect(File).not_to exist(path), "expected file at #{path} not to exist"
-    end
-
-    after(:each) do
-      FileUtils.remove_file(path) if File.exist?(path)
-    end
+    let(:name) { "foobar-#{Time.now.to_i}" }
 
     it "should always generate a project file" do
-      new_path = Tmuxinator::Cli.new.generate_project_file(name, path)
-      expect(new_path).to eq path
-      expect(File).to exist new_path
+      Dir.mktmpdir do |dir|
+        path = "#{dir}/#{name}.yml"
+        expect(File).not_to exist(path), "expected file at #{path} not to exist"
+        new_path = Tmuxinator::Cli.new.generate_project_file(name, path)
+        expect(new_path).to eq path
+        expect(File).to exist new_path
+      end
+    end
+
+    it "should generate a project file using the correct project file path" do
+      file = StringIO.new
+      allow(File).to receive(:open) { |&block| block.yield file }
+      Dir.mktmpdir do |dir|
+        path = "#{dir}/#{name}.yml"
+        _ = Tmuxinator::Cli.new.generate_project_file(name, path)
+        expect(file.string).to match %r{\A# #{path}$}
+      end
     end
   end