test: add empty test code (#1021)

* add minitest deps

* add empty test

* use test

Author: KazuCocoa

.github/workflows/rubocop.yml

@@ -23,5 +23,7 @@ jobs:
         ruby-version: ${{ matrix.ruby }}
     - name: Install dependencies
       run: bundle install
-    - name: Run tests
+    - name: Run rubocop
       run: bundle exec rake rubocop
+    - name: Run tests
+      run: bundle exec rake test

Rakefile

@@ -14,10 +14,18 @@
 
 require 'bundler/gem_tasks'
 require 'rubocop/rake_task'
+require 'rake/testtask'
 
 desc 'Execute RuboCop static code analysis'
 RuboCop::RakeTask.new(:rubocop) do |t|
   t.patterns = %w(lib ios_tests android_tests)
   t.options = %w(-D)
   t.fail_on_error = true
 end
+
+desc('Run all unit tests in test directory')
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'test'
+  t.libs << 'lib'
+  t.test_files = FileList[ENV['TESTS'] ? ENV['TESTS'].split(',') : 'test/**/*_test.rb']
+end

appium_lib.gemspec

@@ -27,6 +27,8 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rubocop', '1.62.1'
   s.add_development_dependency 'spec', '~> 5.3', '>= 5.3.4'
   s.add_development_dependency 'yard', '~> 0.9.11'
+  s.add_development_dependency 'minitest', '~> 5.0'
+  s.add_development_dependency 'minitest-reporters', '~> 1.1'
 
   s.files = `git ls-files`.split("\n").reject { |v| v.match(/\A^(ios_tests|android_tests|grid|test_apps)\/.+/) }
 end

test/first_test.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+require 'minitest/autorun'
+require 'minitest/reporters'
+require 'minitest'
+
+begin
+  Minitest::Reporters.use! [Minitest::Reporters::ProgressReporter.new]
+rescue Errno::ENOENT
+  # Ignore since Minitest::Reporters::JUnitReporter.new fails in deleting files, sometimes
+end
+
+class SampleTest < Minitest::Test
+  def test_test
+    assert(true)
+  end
+end