Add GitHub Actions CI and changelog without version bump.

Switch CI badge and workflow to GitHub Actions, make Coveralls submission CI-only, and include CHANGELOG.md in gem metadata while keeping the gem at 2.4.0.

Made-with: Cursor

Author: MarioRuiz

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    name: Ruby ${{ matrix.ruby }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: [ "3.0", "3.1", "3.2", "3.3" ]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Run specs
+        run: bundle exec rake spec
+
+  coverage:
+    name: Coverage (Coveralls)
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.event_name == 'push'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "3.2"
+          bundler-cache: true
+
+      - name: Run specs with Coveralls
+        env:
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
+        run: bundle exec rake spec

CHANGELOG.md

@@ -0,0 +1,30 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
+
+## [2.4.0] - 2026-02-11
+
+### Added
+- Added `StringPattern.valid_email?` helper and centralized email format checks.
+- Added `StringPattern.valid?(text:, pattern:)` for boolean validation.
+- Added `StringPattern.sample(pattern, n)` for batch generation of distinct values.
+- Added `StringPattern.uuid` and `StringPattern.valid_uuid?`.
+- Added support for `seed:` in generation for reproducible outputs.
+- Added support for `block_list` as a `Proc`.
+- Added `StringPattern::InvalidPatternError` and `StringPattern::GenerationImpossibleError`.
+- Added `StringPattern.logger` and `StringPattern.raise_on_error` configuration.
+- Added `spec/string/pattern/analyze_spec.rb`.
+- Added GitHub Actions CI workflow.
+
+### Changed
+- Fixed email-domain comparison bug in email validation/generation paths.
+- Replaced internal direct `puts` calls with centralized logging (`StringPattern.log_message`).
+- Updated README with analyze/validation/error-handling/new-features documentation.
+- Updated CI target Ruby versions (3.0, 3.1, 3.2, 3.3).
+
+## [2.3.0] - 2025-xx-xx
+
+### Changed
+- Previous release notes not yet backfilled.

README.md

@@ -1,7 +1,7 @@
 # StringPattern
 
 [![Gem Version](https://badge.fury.io/rb/string_pattern.svg)](https://rubygems.org/gems/string_pattern)
-[![Build Status](https://travis-ci.com/MarioRuiz/string_pattern.svg?branch=master)](https://github.com/MarioRuiz/string_pattern)
+[![CI](https://github.com/MarioRuiz/string_pattern/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/MarioRuiz/string_pattern/actions/workflows/ci.yml)
 [![Coverage Status](https://coveralls.io/repos/github/MarioRuiz/string_pattern/badge.svg?branch=master)](https://coveralls.io/github/MarioRuiz/string_pattern?branch=master)
 ![Gem](https://img.shields.io/gem/dt/string_pattern)
 ![GitHub commit activity](https://img.shields.io/github/commit-activity/y/MarioRuiz/string_pattern)

spec/spec_helper.rb

@@ -1,5 +1,10 @@
-require "coveralls"
-Coveralls.wear!
+if ENV["CI"] && ENV["COVERALLS_REPO_TOKEN"] && !ENV["COVERALLS_REPO_TOKEN"].empty?
+  require "coveralls"
+  Coveralls.wear!
+else
+  require "simplecov"
+  SimpleCov.start
+end
 
 # This file was generated by the `rspec --init` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.

string_pattern.gemspec

@@ -7,13 +7,13 @@ Gem::Specification.new do |s|
   s.email       = 'marioruizs@gmail.com'
   s.files       = ["lib/string_pattern.rb","lib/string/pattern/add_to_ruby.rb", "lib/string/pattern/analyze.rb",
                    "lib/string/pattern/email.rb", "lib/string/pattern/generate.rb", "lib/string/pattern/validate.rb",
-                   "LICENSE","README.md",".yardopts",
+                   "LICENSE","README.md","CHANGELOG.md",".yardopts",
                   'data/english/adjs.json', 'data/english/nouns.json', 'data/spanish/palabras0.json',
                   'data/spanish/palabras1.json','data/spanish/palabras2.json','data/spanish/palabras3.json',
                   'data/spanish/palabras4.json','data/spanish/palabras5.json','data/spanish/palabras6.json',
                   'data/spanish/palabras7.json','data/spanish/palabras8.json','data/spanish/palabras9.json',
                   'data/spanish/palabras10.json','data/spanish/palabras11.json',]
-  s.extra_rdoc_files = ["LICENSE","README.md"]
+  s.extra_rdoc_files = ["LICENSE","README.md","CHANGELOG.md"]
   s.homepage    = 'https://github.com/MarioRuiz/string_pattern'
   s.license       = 'MIT'
   s.add_runtime_dependency 'regexp_parser', '~> 2.5', '>= 2.5.0'