Implement Robust Author Metadata Validation

.gitignore

@@ -1,3 +1,52 @@
-_site
-.sass-cache
+# Ruby specific
+*.gem
+*.rbc
+/.config
+/coverage/
+/InstalledFiles
+/pkg/
+/spec/reports/
+/spec/examples.txt
+/test/tmp/
+/test/version_tmp/
+/tmp/
+
+# Bundler specific
 Gemfile.lock
+.bundle/
+vendor/bundle
+
+# Jekyll specific 
+_site/
+.sass-cache/
+.jekyll-metadata
+.jekyll-cache/
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor/IDE files
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# System files
+.DS_Store
+Thumbs.db

.rspec

@@ -0,0 +1,3 @@
+--color
+--format documentation
+--require spec_helper

Gemfile

@@ -1,5 +1,5 @@
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
-gem "github-pages", ">= 25"
-gem 'webrick'
-gem 'csv'
+group :development, :test do
+  gem 'rspec', '~> 3.12'
+end

spec/spec_helper.rb

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+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+end

src/author_validator.rb

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+class AuthorValidator
+  MAX_NAME_LENGTH = 100
+
+  def self.validate(author)
+    return false if author.nil? || author.strip.empty?
+    return false if author.length > MAX_NAME_LENGTH
+
+    # Optional: Additional validation rules can be added here
+    # For example, validate allowed characters, no special rules for now
+    true
+  end
+end

test/author_validator_spec.rb

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+require_relative '../src/author_validator'
+
+RSpec.describe AuthorValidator do
+  describe '.validate' do
+    context 'when author is valid' do
+      it 'returns true for a standard name' do
+        expect(AuthorValidator.validate('John Doe')).to be true
+      end
+
+      it 'returns true for a name at max length' do
+        long_name = 'a' * 100
+        expect(AuthorValidator.validate(long_name)).to be true
+      end
+    end
+
+    context 'when author is invalid' do
+      it 'returns false for nil author' do
+        expect(AuthorValidator.validate(nil)).to be false
+      end
+
+      it 'returns false for empty string' do
+        expect(AuthorValidator.validate(''))).to be false
+      end
+
+      it 'returns false for whitespace-only string' do
+        expect(AuthorValidator.validate('   ')).to be false
+      end
+
+      it 'returns false for name exceeding max length' do
+        long_name = 'a' * 101
+        expect(AuthorValidator.validate(long_name)).to be false
+      end
+    end
+  end
+end