Test for autoenv setting

test/features/step_definitions/general.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'fileutils'
+require 'tempfile'
+
+module GeneralHelper
+end
+World GeneralHelper
+
+When('we run fish script') do |script_content|
+  script_file = Tempfile.new('fish_script')
+  File.write(script_file, script_content)
+
+  out, status = Open3.capture2e("fish #{script_file.path}")
+  unless status.success?
+    warn(out)
+    raise "Fish command failed: #{out}"
+  end
+
+  @response_fish_script = out.strip
+end
+
+Then(/^the output is$/) do |text|
+  expect(@response_fish_script).to eq(text.strip)
+end
+
+Then(/^file ([a-zA-Z0-9-_.\/]+) contains$/) do |file,content|
+  expect(File.readlines(file).join("").strip).to eq(content.strip)
+end