Support creating filter_set from existing patch_config

Author: adangel

lib/pmdtester/builders/rule_set_builder.rb

@@ -33,6 +33,10 @@ def build
       rule_refs
     end
 
+    def calculate_filter_set
+      output_filter_set(ALL_CATEGORIES)
+    end
+
     def output_filter_set(rule_refs)
       if rule_refs == ALL_CATEGORIES
         if @options.mode == Options::ONLINE

pmdtester.gemspec

@@ -1,17 +1,17 @@
 # DO NOT EDIT THIS FILE. Instead, edit Rakefile, and run `rake hoe:spec`.
 
 # -*- encoding: utf-8 -*-
-# stub: pmdtester 1.1.2 ruby lib
+# stub: pmdtester 1.2.0.pre.SNAPSHOT ruby lib
 
 Gem::Specification.new do |s|
   s.name = "pmdtester".freeze
-  s.version = "1.1.2"
+  s.version = "1.2.0.pre.SNAPSHOT"
 
-  s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
+  s.required_rubygems_version = Gem::Requirement.new("> 1.3.1".freeze) if s.respond_to? :required_rubygems_version=
   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 = "2021-04-20"
+  s.date = "2021-06-17"
   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 = ["[email protected]".freeze, "[email protected]".freeze, "[email protected]".freeze]
   s.executables = ["pmdtester".freeze]

test/resources/rule_set_builder/patch-ruleset.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ruleset xmlns="http://pmd.sourceforge.net/ruleset/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd" name="Dynamic PmdTester Ruleset">
+    <description>The ruleset generated by PmdTester dynamically</description>
+    <rule ref="category/java/performance.xml/ConsecutiveLiteralAppends"/>
+</ruleset>

test/test_rule_set_builder.rb

@@ -104,4 +104,16 @@ def test_filter_ruleset_single_rule_and_category_duplicated
     actual = File.read(RuleSetBuilder::PATH_TO_DYNAMIC_CONFIG)
     assert_equal(expected, actual)
   end
+
+  def test_filter_ruleset_based_on_patch_config
+    options = Options.new(['--mode', 'online',
+                           '--patch-config', "#{PATH_TO_TEST_RESOURCES}/patch-ruleset.xml",
+                           '--patch-branch', 'test_filter_ruleset_based_on_patch_branch',
+                           '--base-branch', 'main',
+                           '--local-git-repo', 'target/repositories/pmd',
+                           '--debug'])
+    RuleSetBuilder.new(options).calculate_filter_set
+
+    assert_equal(Set['performance.xml/ConsecutiveLiteralAppends'], options.filter_set)
+  end
 end