1 files changed, 37 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_commands_signout_command.rb b/test/rubygems/test_gem_commands_signout_command.rb
new file mode 100644
index 0000000000..814b55cf4f
--- /dev/null
+++ b/test/rubygems/test_gem_commands_signout_command.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'rubygems/test_case'
+require 'rubygems/commands/signout_command'
+require 'rubygems/installer'
+
+class TestGemCommandsSignoutCommand < Gem::TestCase
+
+  def setup
+    super
+    @cmd = Gem::Commands::SignoutCommand.new
+  end
+
+  def teardown
+    super
+    File.delete Gem.configuration.credentials_path if File.exist?(Gem.configuration.credentials_path)
+  end
+
+  def test_execute_when_user_is_signed_in
+    FileUtils.mkdir_p File.dirname(Gem.configuration.credentials_path)
+    FileUtils::touch Gem.configuration.credentials_path
+
+    @sign_out_ui = Gem::MockGemUi.new
+    use_ui(@sign_out_ui) { @cmd.execute }
+
+    assert_match %r{You have successfully signed out}, @sign_out_ui.output
+    assert_equal false, File.exist?(Gem.configuration.credentials_path)
+  end
+
+  def test_execute_when_not_signed_in # i.e. no credential file created
+    @sign_out_ui = Gem::MockGemUi.new
+    use_ui(@sign_out_ui) { @cmd.execute }
+
+    assert_match %r{You are not currently signed in}, @sign_out_ui.error
+  end
+
+end