Module: AISpec::Core::Assertions::Deterministic

Defined in:
lib/aispec/core/assertions/deterministic.rb

Class Method Summary collapse

Class Method Details

.register_all! ⇒ Object 



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# File 'lib/aispec/core/assertions/deterministic.rb', line 14

def self.register_all!
  # Contains
  Assertion.register(:contains) do |response, _context, options|
    expected = options[:value] || options[:target] || options[:raw]
    text = response[:output].to_s
    match = text.include?(expected.to_s)
    [match, match ? "Output contains '#{expected}'" : "Output does not contain '#{expected}'"]
  end

  # Not Contains
  Assertion.register(:not_contains) do |response, _context, options|
    expected = options[:value] || options[:target]
    text = response[:output].to_s
    match = !text.include?(expected.to_s)
    [match, match ? "Output does not contain '#{expected}'" : "Output contains forbidden text '#{expected}'"]
  end

  # Starts With
  Assertion.register(:starts_with) do |response, _context, options|
    prefix = options[:value] || options[:target]
    text = response[:output].to_s.strip
    match = text.start_with?(prefix.to_s)
    [match, match ? "Output starts with '#{prefix}'" : "Output does not start with '#{prefix}'"]
  end

  # Ends With
  Assertion.register(:ends_with) do |response, _context, options|
    suffix = options[:value] || options[:target]
    text = response[:output].to_s.strip
    match = text.end_with?(suffix.to_s)
    [match, match ? "Output ends with '#{suffix}'" : "Output does not end with '#{suffix}'"]
  end

  # Regex
  Assertion.register(:regex) do |response, _context, options|
    pattern = options[:pattern] || options[:value] || options[:regex]
    regex = pattern.is_a?(Regexp) ? pattern : Regexp.new(pattern.to_s)
    text = response[:output].to_s
    match = !!(text =~ regex)
    [match, match ? "Output matches regex /#{pattern}/" : "Output failed to match regex /#{pattern}/"]
  end

  # JSON
  Assertion.register(:json) do |response, _context, options|
    text = response[:output].to_s.strip
    # Clean markdown codeblocks if present
    cleaned = text.sub(/^```json\s*/i, "").sub(/^```\s*/, "").sub(/\s*```$/, "").strip
    cleaned = $1 if cleaned =~ /(\{[\s\S]*\}|\[[\s\S]*\])/

    begin
      parsed = JSON.parse(cleaned)
      if options[:schema]
        # If schema is given, verify top level key requirements if simple hash
        if options[:schema].is_a?(Array)
          missing_keys = options[:schema].map(&:to_s) - parsed.keys.map(&:to_s)
          [missing_keys.empty?, missing_keys.empty? ? "JSON satisfies schema keys" : "JSON missing schema keys: #{missing_keys.join(', ')}"]
        else
          [true, "Valid JSON"]
        end
      else
        [true, "Output is valid JSON"]
      end
    rescue JSON::ParserError => e
      [false, "Output is not valid JSON: #{e.message}"]
    end
  end

  # Valid Markdown
  Assertion.register(:valid_markdown) do |response, _context, _options|
    text = response[:output].to_s
    # Basic markdown check (unclosed code fences detection)
    fence_count = text.scan(/^```/).length
    valid = fence_count.even?
    [valid, valid ? "Valid Markdown structural formatting" : "Invalid Markdown (unmatched code block fences)"]
  end

  # Valid XML
  Assertion.register(:valid_xml) do |response, _context, _options|
    text = response[:output].to_s.strip
    if defined?(REXML::Document)
      begin
        REXML::Document.new(text)
        [true, "Output is valid XML"]
      rescue REXML::ParseException => e
        [false, "Invalid XML: #{e.message}"]
      end
    else
      valid = text =~ /\A\s*<[a-zA-Z_][\s\S]*>\s*\z/
      [!!valid, valid ? "Output is valid XML structure" : "Invalid XML structure"]
    end
  end

  # Max Latency
  Assertion.register(:max_latency) do |response, _context, options|
    limit = (options[:value] || options[:max] || options[:limit] || 5000).to_f
    actual = (response[:latency_ms] || 0.0).to_f
    passed = actual <= limit
    [passed, passed ? "Latency #{actual.round(1)}ms <= #{limit.round(1)}ms" : "Latency #{actual.round(1)}ms exceeded max #{limit.round(1)}ms"]
  end

  # Cost
  Assertion.register(:cost) do |response, _context, options|
    max_cost = (options[:max] || options[:value] || 0.05).to_f
    actual_cost = (response[:cost] || 0.0).to_f
    passed = actual_cost <= max_cost
    [passed, passed ? "Cost $#{sprintf('%.4f', actual_cost)} <= $#{sprintf('%.4f', max_cost)}" : "Cost $#{sprintf('%.4f', actual_cost)} exceeded max $#{sprintf('%.4f', max_cost)}"]
  end

  # Must Not Reveal System Prompt
  Assertion.register(:must_not_reveal_system_prompt) do |response, context, _options|
    sys_prompt = context[:system_prompt].to_s.strip
    text = response[:output].to_s
    if sys_prompt.empty?
      [true, "No system prompt leak detected"]
    else
      match = text.include?(sys_prompt)
      [!match, match ? "System prompt leaked in output" : "No system prompt leak detected"]
    end
  end

  # Tool Called
  Assertion.register(:tool_called) do |response, _context, options|
    expected = (options[:value] || options[:name] || options[:tool]).to_s
    tools = Array(response[:tools_called]).map(&:to_s)
    called = tools.include?(expected)
    [called, called ? "Tool '#{expected}' was called" : "Tool '#{expected}' was not called"]
  end
end