(PDOC-224) Handle --emit-json(-stdout) again

lib/puppet/face/strings.rb

@@ -116,9 +116,13 @@ Puppet::Face.define(:strings, '0.0.1') do
           generate_options[:markdown] = true
         elsif format.casecmp('json').zero? || options[:emit_json] || options[:emit_json_stdout]
           generate_options[:json] = true
+          generate_options[:path] ||= options[:emit_json] if options[:emit_json]
         else
           raise RuntimeError, "Invalid format #{options[:format]}. Please select 'json' or 'markdown'."
         end
+      elsif options[:emit_json] || options[:emit_json_stdout]
+        generate_options[:json] = true
+        generate_options[:path] ||= options[:emit_json] if options[:emit_json]
       end
     end
     generate_options

spec/acceptance/emit_json_options.rb

@@ -52,4 +52,20 @@ describe 'Emitting JSON' do
     output = read_file_on(master, tmpfile)
     expect(JSON.parse(output)).to eq(expected)
   end
+
+  it 'should emit JSON to stdout when using --emit-json-stdout' do
+    test_module_path = get_test_module_path(master, /Module test/)
+    on master, puppet('strings', 'generate', '--emit-json-stdout', "#{test_module_path}/lib/puppet/parser/functions/function3x.rb") do
+      output = stdout.chomp
+      expect(JSON.parse(output)).to eq(expected)
+    end
+  end
+
+  it 'should write JSON to a file when using --emit-json' do
+    test_module_path = get_test_module_path(master, /Module test/)
+    tmpfile = master.tmpfile('json_output.json')
+    on master, puppet('strings', 'generate', '--emit-json', tmpfile, "#{test_module_path}/lib/puppet/parser/functions/function3x.rb")
+    output = read_file_on(master, tmpfile)
+    expect(JSON.parse(output)).to eq(expected)
+  end
 end