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How to use current_appraisal method of Tests Package

Best Shoulda_ruby code snippet using Tests.current_appraisal

test_framework_detection_test.rb

Source:test_framework_detection_test.rb

1require "test_helper"2require "tempfile"3class TestFrameworkDetectionTest < PARENT_TEST_CASE4  if Tests::CurrentBundle.instance.current_appraisal == "rails_5_2"5    should "detect Minitest 5.x w/ Rails 5.2" do6      assert_integration_with_rails_and "Minitest::Test"7    end8  end9  if Tests::CurrentBundle.instance.current_appraisal == "rails_5_1"10    should "detect Minitest 5.x w/ Rails 5.1" do11      assert_integration_with_rails_and "Minitest::Test"12    end13  end14  if Tests::CurrentBundle.instance.current_appraisal == "rails_5_0"15    should "detect Minitest 5.x w/ Rails 5.0" do16      assert_integration_with_rails_and "Minitest::Test"17    end18  end19  if Tests::CurrentBundle.instance.current_appraisal == "rails_4_2"20    should "detect ActiveSupport::TestCase and Minitest 4.x w/ Rails 4.2" do21      assert_integration_with_rails_and "Minitest::Test"22    end23  end24  if TEST_FRAMEWORK == "minitest"25    should "detect Minitest 5.x when it is loaded standalone" do26      assert_integration_with "Minitest::Test", setup: <<-RUBY27        require "minitest/autorun"28      RUBY29    end30  end31  if TEST_FRAMEWORK == "test_unit"32    should "detect the test-unit gem when it is loaded standalone" do33      assert_integration_with "Test::Unit::TestCase",34        setup: <<-RUBY35          require "test/unit"36        RUBY37    end38  end39  def assert_integration_with_rails_and(*test_cases)40    test_cases = ["ActiveSupport::TestCase"] | test_cases41    options = test_cases.last.is_a?(Hash) ? test_cases.pop : {}42    options[:setup] = <<-RUBY43      require "rails/all"44      require "rails/test_help"45      ActiveRecord::Base.establish_connection(46        adapter: "sqlite3",47        database: ":memory:"48      )49    RUBY50    args = test_cases + [options]51    assert_integration_with(*args)52  end53  def assert_integration_with(*test_cases)54    assert_test_cases_are_detected(*test_cases)55    assert_our_api_is_available_in_test_cases(*test_cases)56  end57  def assert_test_cases_are_detected(*expected_test_cases)58    options = expected_test_cases.last.is_a?(Hash) ? expected_test_cases.pop : {}59    setup = options[:setup] || ""60    output = execute(file_that_detects_test_framework_test_cases([setup]))61    actual_test_cases = output.split("\n").first.split(", ")62    assert_equal expected_test_cases, actual_test_cases63  end64  def file_that_detects_test_framework_test_cases(mixins)65    <<-RUBY66      #{require_gems(mixins)}67      require "yaml"68      test_cases =69      Shoulda::Context.test_framework_test_cases.map do |test_case|70        test_case.to_s71      end72      puts test_cases.join(', ')73    RUBY74  end75  def require_gems(mixins)76    <<-RUBY77      ENV["BUNDLE_GEMFILE"] =78        "#{PROJECT_DIR}/gemfiles/" +79        "#{Tests::CurrentBundle.instance.current_appraisal}.gemfile"80      require "bundler"81      Bundler.setup82      #{mixins.join("\n")}83      require "shoulda-context"84    RUBY85  end86  def assert_our_api_is_available_in_test_cases(*test_cases)87    options = test_cases.last.is_a?(Hash) ? test_cases.pop : {}88    setup = options[:setup] || ""89    test_cases.each do |test_case|90      output = execute(91        file_that_runs_a_test_within_test_case(test_case, [setup])92      )93      assert_match(/1 (tests|runs)/, output)...

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