Class: Profiler::MCP::Tools::GetTestProfileDetail

Inherits:
Object
  • Object
show all
Defined in:
lib/profiler/mcp/tools/get_test_profile_detail.rb

Class Method Summary collapse

Class Method Details

.call(params) ⇒ Object 



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# File 'lib/profiler/mcp/tools/get_test_profile_detail.rb', line 7

def self.call(params)
  token = params["token"]
  unless token
    return [{ type: "text", text: "Error: token parameter is required" }]
  end

  profile = if token == "latest"
    profiles = Profiler.storage.list(limit: 200)
    profiles.find { |p| p.profile_type == "test" }
  else
    Profiler.storage.load(token)
  end

  unless profile && profile.profile_type == "test"
    return [{ type: "text", text: "Test profile not found: #{token}" }]
  end

  [{ type: "text", text: format_test_detail(profile) }]
end

.count_n1_patterns(queries) ⇒ Object 



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# File 'lib/profiler/mcp/tools/get_test_profile_detail.rb', line 115

def self.count_n1_patterns(queries)
  return 0 if queries.size < 3
  queries.group_by { |q| normalize_sql(q["sql"].to_s) }.count { |_, qs| qs.size >= 3 }
end

.format_test_detail(profile) ⇒ Object 



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# File 'lib/profiler/mcp/tools/get_test_profile_detail.rb', line 29

def self.format_test_detail(profile)
  test_data = profile.collector_data("test") || {}
  db_data   = profile.collector_data("database") || {}
  cache_data = profile.collector_data("cache") || {}
  exc_data  = profile.collector_data("exception") || {}

  queries  = db_data["queries"] || []
  n1_count = count_n1_patterns(queries)

  lines = []
  lines << "# Test Profile Detail\n"

  # Overview
  lines << "## Overview"
  lines << "| Field | Value |"
  lines << "|-------|-------|"
  lines << "| Token | `#{profile.token}` |"
  lines << "| Test name | #{test_data["test_name"] || profile.path} |"
  lines << "| Status | #{test_data["status"] || "unknown"} |"
  lines << "| Framework | #{test_data["framework"]} |"
  lines << "| File | #{test_data["test_file"]}:#{test_data["test_line"]} |"
  lines << "| Duration | #{profile.duration&.round(2)}ms |"
  lines << "| Assertions | #{test_data["assertions"] || "-"} |"
  lines << "| Memory delta | #{profile.memory ? "#{(profile.memory.to_f / 1024 / 1024).round(2)} MB" : "-"} |"
  lines << "| Time | #{profile.started_at&.strftime("%H:%M:%S")} |"

  # Exception / skip
  if test_data["exception_message"]
    lines << "\n## Exception"
    lines << "```\n#{test_data["exception_message"]}\n```"
  elsif test_data["skip_reason"]
    lines << "\n## Skip reason"
    lines << test_data["skip_reason"].to_s
  end

  # Unhandled exception (ExceptionCollector)
  if exc_data["exception_class"]
    lines << "\n## Unhandled Exception"
    lines << "**#{exc_data["exception_class"]}**: #{exc_data["exception_message"]}"
    if (backtrace = exc_data["backtrace"]).is_a?(Array) && backtrace.any?
      lines << "\n```"
      backtrace.first(5).each { |l| lines << l }
      lines << "```"
    end
  end

  # Database
  lines << "\n## Database (#{db_data["total_queries"].to_i} queries · #{db_data["total_duration"].to_f.round(2)}ms · #{n1_count} N+1 patterns)"
  if queries.any?
    slow_threshold = Profiler.configuration.slow_query_threshold
    slow = queries.select { |q| q["duration"].to_f >= slow_threshold }
    show = slow.any? ? slow.first(10) : queries.first(10)
    caption = slow.any? ? "Slowest queries:" : "First queries:"
    lines << caption
    lines << "| # | Duration | SQL |"
    lines << "|---|----------|-----|"
    show.each_with_index do |q, i|
      sql = q["sql"].to_s.gsub("|", "\\|").then { |s| s.length > 100 ? s[0, 97] + "..." : s }
      lines << "| #{i + 1} | #{q["duration"].to_f.round(2)}ms | `#{sql}` |"
    end

    if n1_count > 0
      lines << "\n### N+1 Patterns Detected"
      queries.group_by { |q| normalize_sql(q["sql"].to_s) }
             .select { |_, qs| qs.size >= 3 }
             .each do |pattern, qs|
        lines << "- `#{pattern[0, 120]}` (×#{qs.size})"
      end
    end
  else
    lines << "_No SQL queries recorded._"
  end

  # Cache
  total_cache = cache_data["total_reads"].to_i + cache_data["total_writes"].to_i + cache_data["total_deletes"].to_i
  if total_cache > 0
    lines << "\n## Cache (#{total_cache} operations)"
    lines << "- Reads: #{cache_data["total_reads"].to_i}"
    lines << "- Writes: #{cache_data["total_writes"].to_i}"
    lines << "- Deletes: #{cache_data["total_deletes"].to_i}"
    lines << "- Misses: #{cache_data["total_misses"].to_i}"
  end

  lines.join("\n")
end

.normalize_sql(sql) ⇒ Object 



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# File 'lib/profiler/mcp/tools/get_test_profile_detail.rb', line 120

def self.normalize_sql(sql)
  sql.gsub(/\$\d+/, "?").gsub(/\b\d+\b/, "?").gsub(/'[^']*'/, "?").gsub(/"[^"]*"/, "?").strip
end