updater: improve redundant find logic and add ci for it

.github/workflows/test.yaml

@@ -0,0 +1,12 @@
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: '3.0'
+        bundler-cache: true
+    - name: Run tests
+      run: bundle exec sus

gems.rb

@@ -0,0 +1,7 @@
+source "https://rubygems.org"
+
+gem "colorize"
+gem "concurrent-ruby"
+gem "ipaddr"
+gem "public_suffix"
+gem "sus"

test/redundant.rb

@@ -0,0 +1,14 @@
+require_relative '../verify'
+
+let (:lines) { File.readlines("accelerated-domains.china.conf").filter { |line| !line.empty? } }
+
+it "should find redundant domains" do
+    expect(CheckRedundant(lines, [], 'qq.com')).to be == false
+    expect(CheckRedundant(lines, [], 'www.qq.com')).to be == false
+    expect(CheckRedundant(lines, [], 'qq.cn')).to be == false
+    expect(CheckRedundant(lines, [], 'www.qq.cn')).to be == false
+end
+
+it "should add new domains" do
+    expect(CheckRedundant(lines, [], 'what.a.wonderful.domain')).to be == "server=/what.a.wonderful.domain/114.114.114.114\n"
+end

updater.rb

@@ -2,6 +2,7 @@
 require 'domain_name'
 require 'optparse'
 require 'ostruct'
+require_relative 'verify'
 
 options = OpenStruct.new
 options.sort = true
@@ -37,35 +38,12 @@ changed = false
 
 options.add.each do |domain|
     domain = DomainName.normalize(domain)
-    new_line = "server=/#{domain}/114.114.114.114\n"
-    disabled_line = "#server=/#{domain}/114.114.114.114"
-    if lines.include? new_line
-        puts "Domain already exists: #{domain}"
-    else
-        if disabled_lines.any? { |line| line.start_with? disabled_line }
-            puts "Domain already disabled: #{domain}"
-        else
-            # Check for duplicates
-            test_domain = domain
-            while test_domain.include? '.'
-                test_domain = test_domain.partition('.').last
-                _new_line = "server=/#{test_domain}/114.114.114.114\n"
-                _disabled_line = "#server=/#{test_domain}/114.114.114.114"
-                if lines.include? _new_line 
-                    puts "Redundant domain already exists: #{test_domain}"
-                    break
-                elsif disabled_lines.any? { |line| line.start_with? _disabled_line }
-                    puts "Redundant domain already disabled: #{test_domain}"
-                    break
-                end
-            end
-            next if test_domain.include? '.'
-
+    new_line = CheckRedundant(lines, disabled_lines, domain)
+    if new_line != false
         puts "New domain added: #{domain}"
         lines << new_line
         changed = true
     end
-    end
 end
 
 options.delete.each do |domain|

verify.rb

@@ -6,7 +6,6 @@ require 'ipaddr'
 require 'public_suffix'
 require 'resolv'
 
-
 class ChinaListVerify
     def initialize(
         dns=nil,
@@ -224,6 +223,35 @@ class ChinaListVerify
     end
 end
 
+# Operates on the raw file to preserve commented out lines
+def CheckRedundant(lines, disabled_lines, domain)
+    new_line = "server=/#{domain}/114.114.114.114\n"
+    disabled_line = "#server=/#{domain}/114.114.114.114"
+    if lines.include? new_line
+        puts "Domain already exists: #{domain}"
+        return false
+    elsif disabled_lines.any? { |line| line.start_with? disabled_line }
+        puts "Domain already disabled: #{domain}"
+        return false
+    else
+        # Check for duplicates
+        test_domain = domain
+        while test_domain.include? '.'
+            test_domain = test_domain.partition('.').last
+            _new_line = "server=/#{test_domain}/114.114.114.114\n"
+            _disabled_line = "#server=/#{test_domain}/114.114.114.114"
+            if lines.include? _new_line 
+                puts "Redundant domain already exists: #{test_domain}"
+                return false
+            elsif disabled_lines.any? { |line| line.start_with? _disabled_line }
+                puts "Redundant domain already disabled: #{test_domain}"
+                return false
+            end
+        end
+    end
+    return new_line
+end
+
 if __FILE__ == $0
     require 'optparse'
     require 'ostruct'