Update rubocop configuration

.rubocop.yml

@@ -2,6 +2,7 @@ inherit_from: .rubocop_todo.yml
 
 AllCops:
   TargetRubyVersion: 2.7
+  NewCops: enable
   Include:
     - 'lib/**/*'
     - 'test/**/*'
@@ -13,7 +14,7 @@ AllCops:
     - 'test/resources/**/*'
     - 'vendor/**/*'
 
-Metrics/LineLength:
+Layout/LineLength:
   Max: 120
 
 Metrics/MethodLength:

History.md

@@ -4,6 +4,7 @@
 
 ## Enhancements
 * [#123](https://github.com/pmd/pmd-regression-tester/pull/123): Support ruby 3.3.0
+* [#125](https://github.com/pmd/pmd-regression-tester/pull/125): Update rubocop configuration
 
 ## Fixed Issues
 * [#126](https://github.com/pmd/pmd-regression-tester/pull/126): Fix integration tests

lib/pmdtester/builders/pmd_report_builder.rb

@@ -37,7 +37,7 @@ def get_pmd_binary_file
         logger.debug "#{@pmd_branch_name}: distro_path=#{distro_path}"
         if File.directory?(distro_path)
           logger.info "#{@pmd_branch_name}: Skipping packaging - saved version exists " \
-                      " in #{distro_path}"
+                      "in #{distro_path}"
         else
           build_pmd(into_dir: distro_path)
         end
@@ -174,7 +174,7 @@ def checkout_build_branch
 
       # working dir is dirty....
       # we don't allow this because we need the SHA to address the zip file
-      logger.error "#{@pmd_branch_name}: Won\'t build without a clean working tree, " \
+      logger.error "#{@pmd_branch_name}: Won't build without a clean working tree, " \
                    'commit your changes'
     end
 
@@ -186,8 +186,8 @@ def work_dir
     # e.g. <cwd>/pmd-bin-<version>-<branch>-<sha>
     def saved_distro_path(build_sha)
       "#{work_dir}/pmd-bin-#{@pmd_version}" \
-      "-#{PmdBranchDetail.branch_filename(@pmd_branch_name)}" \
-      "-#{build_sha}"
+        "-#{PmdBranchDetail.branch_filename(@pmd_branch_name)}" \
+        "-#{build_sha}"
     end
 
     def wd_has_dirty_git_changes
@@ -247,15 +247,15 @@ def find_pmd_dist_target
 
     def build_pmd_with_maven
       logger.info "#{@pmd_branch_name}: Building PMD #{@pmd_version}..."
-      package_cmd = './mvnw clean package' \
-                    " -s #{ResourceLocator.resource('maven-settings.xml')} " \
-                    ' -Pfor-dokka-maven-plugin' \
-                    ' -Dmaven.test.skip=true' \
-                    ' -Dmaven.javadoc.skip=true' \
-                    ' -Dmaven.source.skip=true' \
-                    ' -Dcheckstyle.skip=true' \
-                    ' -Dpmd.skip=true' \
-                    ' -T1C -B'
+      package_cmd = './mvnw clean package ' \
+                    "-s #{ResourceLocator.resource('maven-settings.xml')} " \
+                    '-Pfor-dokka-maven-plugin ' \
+                    '-Dmaven.test.skip=true ' \
+                    '-Dmaven.javadoc.skip=true ' \
+                    '-Dmaven.source.skip=true ' \
+                    '-Dcheckstyle.skip=true ' \
+                    '-Dpmd.skip=true ' \
+                    '-T1C -B'
       logger.debug "#{@pmd_branch_name}: maven command: #{package_cmd}"
       Cmd.execute_successfully(package_cmd)
     end

lib/pmdtester/builders/rule_set_builder.rb

@@ -52,7 +52,7 @@ def output_filter_set(rule_refs)
           end
 
           logger.info "Using filter based on patch config #{@options.patch_config}: " \
-                       "#{@options.filter_set}"
+                      "#{@options.filter_set}"
         else
           # if `rule_refs` is empty, then no filter can be used when comparing to the baseline
           logger.info 'No filter when comparing patch to baseline'
@@ -90,7 +90,7 @@ def get_rule_refs(filenames)
     def build_config_file(rule_refs)
       if rule_refs.empty?
         logger.debug 'All rules are used. Not generating a dynamic ruleset.'
-        logger.debug "Using the configured/default ruleset base_config=#{@options.base_config} "\
+        logger.debug "Using the configured/default ruleset base_config=#{@options.base_config} " \
                      "patch_config=#{@options.patch_config}"
         return
       end

lib/pmdtester/collection_by_file.rb

@@ -7,7 +7,7 @@ module PmdTester
   class CollectionByFile
     def initialize
       # a hash of filename -> [list of items]
-      @hash = Hash.new([])
+      @hash = {}
       @total = 0
     end
 

lib/pmdtester/parsers/options.rb

@@ -95,8 +95,9 @@ def parse(argv)
                  'path to the file which contains the list of standard projects',
                  default: DEFAULT_LIST_PATH
         o.string '-m', '--mode', mode_message, default: 'local'
-        o.integer '-t', '--threads', 'Sets the number of threads used by PMD.' \
-              ' Set threads to 0 to disable multi-threading processing.', default: 1
+        o.integer '-t', '--threads',
+                  'Sets the number of threads used by PMD. Set threads to 0 to disable ' \
+                  'multi-threading processing.', default: 1
         o.bool '-f', '--html-flag',
                'whether to not generate the html diff report in single mode'
         o.bool '-a', '--auto-gen-config',

lib/pmdtester/parsers/projects_parser.rb

@@ -13,11 +13,7 @@ def parse(list_file)
       errors = schema.validate(document)
       raise ProjectsParserException.new(errors), "Schema validate failed: In #{list_file}" unless errors.empty?
 
-      projects = []
-      document.xpath('//project').each do |project|
-        projects.push(Project.new(project))
-      end
-      projects
+      document.xpath('//project').map { |project| Project.new(project) }
     end
 
     def schema_file_path

lib/pmdtester/pmd_branch_detail.rb

@@ -32,9 +32,9 @@ def initialize(branch_name)
       @execution_time = 0
       # the result of command 'java -version' is going to stderr
       @jdk_version = Cmd.stderr_of('java -version')
-      @language = ENV['LANG'] # the locale
+      @language = ENV.fetch('LANG') # the locale
 
-      prnum = ENV[PR_NUM_ENV_VAR]
+      prnum = ENV.fetch(PR_NUM_ENV_VAR, 'false')
       @pull_request = prnum == 'false' ? nil : prnum
     end
 

lib/pmdtester/runner.rb

@@ -27,7 +27,7 @@ def run
 
     def clean
       clean_target = 'target/reports'
-      FileUtils.remove_dir(clean_target) if Dir.exist?(clean_target)
+      FileUtils.rm_rf(clean_target)
     end
 
     def run_local_mode

pmdtester.gemspec

@@ -11,12 +11,12 @@ Gem::Specification.new do |s|
   s.metadata = { "bug_tracker_uri" => "https://github.com/pmd/pmd-regression-tester/issues", "homepage_uri" => "https://pmd.github.io", "source_code_uri" => "https://github.com/pmd/pmd-regression-tester" } if s.respond_to? :metadata=
   s.require_paths = ["lib".freeze]
   s.authors = ["Andreas Dangel".freeze, "Binguo Bao".freeze, "Cl\u00E9ment Fournier".freeze]
-  s.date = "2024-05-01"
+  s.date = "2024-09-05"
   s.description = "A regression testing tool ensure that new problems and unexpected behaviors will not be introduced to PMD project after fixing an issue , and new rules can work as expected.".freeze
   s.email = ["andreas.dangel@pmd-code.org".freeze, "djydewang@gmail.com".freeze, "clement.fournier76@gmail.com".freeze]
   s.executables = ["pmdtester".freeze]
   s.extra_rdoc_files = ["History.md".freeze, "Manifest.txt".freeze, "README.rdoc".freeze, "resources/js/README.md".freeze]
-  s.files = [".ci/build.sh".freeze, ".ci/inc/fetch_ci_scripts.bash".freeze, ".ci/manual-integration-tests.sh".freeze, ".github/workflows/build.yml".freeze, ".github/workflows/manual-integration-tests.yml".freeze, ".gitignore".freeze, ".hoerc".freeze, ".rubocop.yml".freeze, ".rubocop_todo.yml".freeze, "Gemfile".freeze, "History.md".freeze, "LICENSE".freeze, "Manifest.txt".freeze, "README.rdoc".freeze, "Rakefile".freeze, "bin/pmdtester".freeze, "config/all-java.xml".freeze, "config/design.xml".freeze, "config/project-list.xml".freeze, "config/projectlist_1_0_0.xsd".freeze, "config/projectlist_1_1_0.xsd".freeze, "config/projectlist_1_2_0.xsd".freeze, "lib/pmdtester.rb".freeze, "lib/pmdtester/builders/liquid_renderer.rb".freeze, "lib/pmdtester/builders/pmd_report_builder.rb".freeze, "lib/pmdtester/builders/project_builder.rb".freeze, "lib/pmdtester/builders/project_hasher.rb".freeze, "lib/pmdtester/builders/rule_set_builder.rb".freeze, "lib/pmdtester/builders/simple_progress_logger.rb".freeze, "lib/pmdtester/builders/summary_report_builder.rb".freeze, "lib/pmdtester/cmd.rb".freeze, "lib/pmdtester/collection_by_file.rb".freeze, "lib/pmdtester/parsers/options.rb".freeze, "lib/pmdtester/parsers/pmd_report_document.rb".freeze, "lib/pmdtester/parsers/projects_parser.rb".freeze, "lib/pmdtester/pmd_branch_detail.rb".freeze, "lib/pmdtester/pmd_configerror.rb".freeze, "lib/pmdtester/pmd_error.rb".freeze, "lib/pmdtester/pmd_report_detail.rb".freeze, "lib/pmdtester/pmd_tester_utils.rb".freeze, "lib/pmdtester/pmd_violation.rb".freeze, "lib/pmdtester/project.rb".freeze, "lib/pmdtester/report_diff.rb".freeze, "lib/pmdtester/resource_locator.rb".freeze, "lib/pmdtester/runner.rb".freeze, "lib/pmdtester/semver.rb".freeze, "pmdtester.gemspec".freeze, "resources/_includes/diff_pill_row.html".freeze, "resources/css/bootstrap-5.3.0-alpha3.min.css".freeze, "resources/css/datatables.min.css".freeze, "resources/css/pmd-tester.css".freeze, "resources/js/README.md".freeze, "resources/js/bootstrap-5.3.0-alpha3.min.js".freeze, "resources/js/code-snippets.js".freeze, "resources/js/datatables.min.js".freeze, "resources/js/jquery-3.6.4.slim.min.js".freeze, "resources/js/popper-2.11.7.min.js".freeze, "resources/js/project-report.js".freeze, "resources/project_diff_report.html".freeze, "resources/project_index.html".freeze, "resources/project_pmd_report.html".freeze]
+  s.files = [".ci/build.sh".freeze, ".ci/inc/fetch_ci_scripts.bash".freeze, ".ci/manual-integration-tests.sh".freeze, ".github/workflows/build.yml".freeze, ".github/workflows/manual-integration-tests.yml".freeze, ".gitignore".freeze, ".hoerc".freeze, ".rubocop.yml".freeze, ".rubocop_todo.yml".freeze, "Gemfile".freeze, "History.md".freeze, "LICENSE".freeze, "Manifest.txt".freeze, "README.rdoc".freeze, "Rakefile".freeze, "bin/pmdtester".freeze, "config/all-java.xml".freeze, "config/design.xml".freeze, "config/project-list.xml".freeze, "config/projectlist_1_0_0.xsd".freeze, "config/projectlist_1_1_0.xsd".freeze, "config/projectlist_1_2_0.xsd".freeze, "lib/pmdtester.rb".freeze, "lib/pmdtester/builders/liquid_renderer.rb".freeze, "lib/pmdtester/builders/pmd_report_builder.rb".freeze, "lib/pmdtester/builders/project_builder.rb".freeze, "lib/pmdtester/builders/project_hasher.rb".freeze, "lib/pmdtester/builders/rule_set_builder.rb".freeze, "lib/pmdtester/builders/simple_progress_logger.rb".freeze, "lib/pmdtester/builders/summary_report_builder.rb".freeze, "lib/pmdtester/cmd.rb".freeze, "lib/pmdtester/collection_by_file.rb".freeze, "lib/pmdtester/parsers/options.rb".freeze, "lib/pmdtester/parsers/pmd_report_document.rb".freeze, "lib/pmdtester/parsers/projects_parser.rb".freeze, "lib/pmdtester/pmd_branch_detail.rb".freeze, "lib/pmdtester/pmd_configerror.rb".freeze, "lib/pmdtester/pmd_error.rb".freeze, "lib/pmdtester/pmd_report_detail.rb".freeze, "lib/pmdtester/pmd_tester_utils.rb".freeze, "lib/pmdtester/pmd_violation.rb".freeze, "lib/pmdtester/project.rb".freeze, "lib/pmdtester/report_diff.rb".freeze, "lib/pmdtester/resource_locator.rb".freeze, "lib/pmdtester/runner.rb".freeze, "lib/pmdtester/semver.rb".freeze, "pmdtester.gemspec".freeze, "resources/_includes/diff_pill_row.html".freeze, "resources/css/bootstrap-5.3.0-alpha3.min.css".freeze, "resources/css/datatables.min.css".freeze, "resources/css/pmd-tester.css".freeze, "resources/js/README.md".freeze, "resources/js/bootstrap-5.3.0-alpha3.min.js".freeze, "resources/js/code-snippets.js".freeze, "resources/js/datatables.min.js".freeze, "resources/js/jquery-3.6.4.slim.min.js".freeze, "resources/js/popper-2.11.7.min.js".freeze, "resources/js/project-report.js".freeze, "resources/maven-settings.xml".freeze, "resources/project_diff_report.html".freeze, "resources/project_index.html".freeze, "resources/project_pmd_report.html".freeze]
   s.homepage = "https://pmd.github.io".freeze
   s.licenses = ["BSD-2-Clause".freeze]
   s.rdoc_options = ["--main".freeze, "README.rdoc".freeze]

test/integration_test_runner.rb

@@ -9,9 +9,9 @@ def setup
   end
 
   def test_local_mode
-    argv = '-r target/repositories/pmd -b pmd_releases/6.41.0 -bc config/design.xml' \
-              ' -p master -pc config/design.xml -l test/resources/integration_test_runner/project-test.xml' \
-              ' --threads ' + Etc.nprocessors.to_s
+    argv = '-r target/repositories/pmd -b pmd_releases/6.41.0 -bc config/design.xml ' \
+           '-p master -pc config/design.xml -l test/resources/integration_test_runner/project-test.xml ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 
@@ -32,10 +32,10 @@ def test_local_mode
   end
 
   def test_single_mode
-    argv = '-r target/repositories/pmd -m single' \
-              ' -p pmd_releases/6.41.0 -pc config/design.xml' \
-              ' -l test/resources/integration_test_runner/project-list-single.xml' \
-              ' --threads ' + Etc.nprocessors.to_s
+    argv = '-r target/repositories/pmd -m single ' \
+           '-p pmd_releases/6.41.0 -pc config/design.xml ' \
+           '-l test/resources/integration_test_runner/project-list-single.xml ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 
@@ -51,11 +51,11 @@ def test_single_mode
   end
 
   def test_single_mode_with_html_flag_option
-    argv = '-r target/repositories/pmd -m single' \
-              ' -p pmd_releases/6.41.0 -pc config/design.xml' \
-              ' -l test/resources/integration_test_runner/project-list-single.xml' \
-              ' -f' \
-              ' --threads ' + Etc.nprocessors.to_s
+    argv = '-r target/repositories/pmd -m single ' \
+           '-p pmd_releases/6.41.0 -pc config/design.xml ' \
+           '-l test/resources/integration_test_runner/project-list-single.xml ' \
+           '-f ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 
@@ -74,8 +74,8 @@ def test_online_mode
     base_branch = 'pmd_releases/7.0.0-rc1'
     patch_branch = 'pmd_releases/7.0.0-rc2'
     argv = "-r target/repositories/pmd -m online -b #{base_branch} -p #{patch_branch} " \
-        '--baseline-download-url https://pmd-code.org/pmd-regression-tester/' \
-        ' --threads ' + Etc.nprocessors.to_s
+           '--baseline-download-url https://pmd-code.org/pmd-regression-tester/ ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 
@@ -94,15 +94,15 @@ def test_online_mode
   def test_online_mode_different_project_list_and_config
     # This test depends on the file pmd_releases_6.40.0-baseline.zip being available at:
     # https://pmd-code.org/pmd-regression-tester/pmd_releases_6.40.0-baseline.zip
-    argv = '--local-git-repo target/repositories/pmd '\
-           '--mode online '\
-           '--base-branch pmd_releases/6.40.0 '\
-           '--patch-branch pmd_releases/6.41.0 '\
-           '--patch-config test/resources/integration_test_runner/patch-config.xml '\
-           '--list-of-project test/resources/integration_test_runner/project-list.xml '\
+    argv = '--local-git-repo target/repositories/pmd ' \
+           '--mode online ' \
+           '--base-branch pmd_releases/6.40.0 ' \
+           '--patch-branch pmd_releases/6.41.0 ' \
+           '--patch-config test/resources/integration_test_runner/patch-config.xml ' \
+           '--list-of-project test/resources/integration_test_runner/project-list.xml ' \
            '--auto-gen-config ' \
-           '--baseline-download-url https://pmd-code.org/pmd-regression-tester/' \
-           ' --threads ' + Etc.nprocessors.to_s
+           '--baseline-download-url https://pmd-code.org/pmd-regression-tester/ ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 
@@ -121,16 +121,16 @@ def test_online_mode_different_project_list_and_config
   def test_online_mode_project_list_and_config_with_apex
     # This test depends on the file pmd_releases_6.40.0-baseline.zip being available at:
     # https://pmd-code.org/pmd-regression-tester/pmd_releases_6.40.0-baseline.zip
-    argv = '--local-git-repo target/repositories/pmd '\
-           '--mode online '\
-           '--base-branch pmd_releases/6.40.0 '\
-           '--patch-branch pmd_releases/6.41.0 '\
-           '--patch-config test/resources/integration_test_runner/patch-config-with-apex.xml '\
-           '--list-of-project test/resources/integration_test_runner/project-list-with-apex.xml '\
+    argv = '--local-git-repo target/repositories/pmd ' \
+           '--mode online ' \
+           '--base-branch pmd_releases/6.40.0 ' \
+           '--patch-branch pmd_releases/6.41.0 ' \
+           '--patch-config test/resources/integration_test_runner/patch-config-with-apex.xml ' \
+           '--list-of-project test/resources/integration_test_runner/project-list-with-apex.xml ' \
            '--auto-gen-config ' \
            '--filter-with-patch-config ' \
-           '--baseline-download-url https://pmd-code.org/pmd-regression-tester/' \
-           ' --threads ' + Etc.nprocessors.to_s
+           '--baseline-download-url https://pmd-code.org/pmd-regression-tester/ ' \
+           '--threads ' + Etc.nprocessors.to_s
 
     system("bundle exec bin/pmdtester #{argv}")
 

test/manual_integration_tests.rb

@@ -230,7 +230,7 @@ def create_summary_message
       "introduces #{@summary[:violations][:new]} new violations, " \
       "#{@summary[:errors][:new]} new errors and " \
       "#{@summary[:configerrors][:new]} new configuration errors,\n" \
-      "removes #{@summary[:violations][:removed]} violations, "\
+      "removes #{@summary[:violations][:removed]} violations, " \
       "#{@summary[:errors][:removed]} errors and " \
       "#{@summary[:configerrors][:removed]} configuration errors."
   end

test/test_cmd.rb

@@ -8,7 +8,7 @@ class TestCmd < Test::Unit::TestCase
 
   def setup
     @tempdir = 'test-TestCmd-temp'
-    Dir.mkdir @tempdir unless Dir.exist?(@tempdir)
+    FileUtils.mkdir_p @tempdir
   end
 
   def teardown

test/test_helper.rb

@@ -12,13 +12,13 @@ def normalize_text(text)
   end
 
   def assert_file_equals(expected_path, actual_path)
-    expected_file = normalize_text(File.open(expected_path).read)
-    actual_file = normalize_text(File.open(actual_path).read)
+    expected_file = normalize_text(File.read(expected_path))
+    actual_file = normalize_text(File.read(actual_path))
     assert_equal(expected_file, actual_file, actual_path)
   end
 
   def assert_file_content_equals(expected_content, actual_path)
-    actual_content = normalize_text(File.open(actual_path).read)
+    actual_content = normalize_text(File.read(actual_path))
     assert_equal(expected_content, actual_content, actual_path)
   end
 

test/test_pmd_branch_detail.rb

@@ -5,7 +5,7 @@
 # Unit test class for PmdTester::PmdBranchDetail
 class TestPmdBranchDetail < Test::Unit::TestCase
   def setup
-    @old_pr = ENV[PmdTester::PR_NUM_ENV_VAR]
+    @old_pr = ENV.fetch(PmdTester::PR_NUM_ENV_VAR, nil)
   end
 
   def cleanup
@@ -31,7 +31,7 @@ def test_save_and_load
     assert_equal('test time', details.execution_time)
     assert_equal(PmdTester::Cmd.stderr_of('java -version'), details.jdk_version)
     assert_not_empty(details.jdk_version)
-    assert_equal(ENV['LANG'], details.language)
+    assert_equal(ENV.fetch('LANG'), details.language)
     assert_not_empty(details.language)
     assert_equal('1234', details.pull_request)
   end