Class: Profiler::MCP::Tools::RunTests

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

Constant Summary collapse

DEFAULT_TIMEOUT = 
120
DEFAULT_MAX_OUTPUT = 
4000
POLL_TIMEOUT =

seconds per wait_for_output call

10

Class Method Summary collapse

Class Method Details

.call(params) ⇒ Object 



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# File 'lib/profiler/mcp/tools/run_tests.rb', line 17

def self.call(params)
  if (proxy = MCP::SlaveSupport.with_slave_proxy(params))
    return run_on_slave(proxy, params)
  end

  files          = Array(params["files"])
  framework      = params["framework"]&.to_s
  timeout_secs   = (params["timeout_seconds"] || DEFAULT_TIMEOUT).to_i
  max_output     = (params["max_output"] || DEFAULT_MAX_OUTPUT).to_i

  # Auto-detect framework if not provided
  framework ||= begin
    available = Profiler::TestRunner::Discovery.frameworks.map(&:to_s)
    available.first || "rspec"
  end

  # If no files specified, discover all for the given framework
  if files.empty?
    tree = Profiler::TestRunner::Discovery.files(framework: framework.to_sym)
    files = tree.flat_map { |dir| dir[:files].map { |f| f[:path] } }
  end

  if files.empty?
    return [{ type: "text", text: "No test files found for framework '#{framework}'." }]
  end

  run_started_at = Time.now
  run = Profiler::TestRunner::Runner.start(files: files, framework: framework)

  output_pos = 0
  deadline   = Time.now + timeout_secs
  timed_out  = false

  until Profiler::TestRunner::RunStore::TERMINAL_STATUSES.include?(run.status)
    remaining = (deadline - Time.now).to_i
    if remaining <= 0
      timed_out = true
      break
    end

    wait = [POLL_TIMEOUT, remaining].min
    result = Profiler::TestRunner.run_store.wait_for_output(run.id, position: output_pos, timeout: wait)
    output_pos = result[:position]
    break if result[:finished]
  end

  full_output = run.output_lines.join
  tail_output = full_output.length > max_output ? "…(truncated)\n" + full_output[-(max_output)..] : full_output

  # Collect test profiles created during this run
  profile_tokens = collect_run_profiles(run_started_at)

  [{ type: "text", text: format_result(run, tail_output, timed_out, profile_tokens, files, framework) }]
end

.collect_run_profiles(since) ⇒ Object 



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# File 'lib/profiler/mcp/tools/run_tests.rb', line 109

def self.collect_run_profiles(since)
  Profiler.storage.list(limit: 500).select do |p|
    p.profile_type == "test" && p.started_at && p.started_at >= since
  end.map(&:token)
rescue
  []
end

.format_result(run, output, timed_out, profile_tokens, files, framework) ⇒ Object 



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# File 'lib/profiler/mcp/tools/run_tests.rb', line 117

def self.format_result(run, output, timed_out, profile_tokens, files, framework)
  lines = []
  lines << "# Test Run #{timed_out ? "(timed out)" : ""}\n"

  lines << "## Summary"
  lines << "| Field | Value |"
  lines << "|-------|-------|"
  lines << "| Run ID | `#{run.id}` |"
  lines << "| Framework | #{framework} |"
  lines << "| Files | #{files.size} |"
  lines << "| Status | **#{run.status}** |"
  lines << "| Exit code | #{run.exit_code.inspect} |"
  lines << "| Duration | #{run.to_h[:duration]&.round(0)}ms |"

  if timed_out
    lines << ""
    lines << "> ⚠ Timed out — run is still in progress. Use run ID `#{run.id}` to check later."
  end

  lines << "\n## Output (last #{output.length} chars)"
  lines << "```"
  lines << output.strip
  lines << "```"

  if profile_tokens.any?
    lines << "\n## Test Profiles Created (#{profile_tokens.size})"
    lines << "Use `get_test_profile` with any of these tokens for detailed SQL/cache/exception data:"
    profile_tokens.first(10).each { |t| lines << "- `#{t}`" }
    lines << "- _(#{profile_tokens.size - 10} more…)_" if profile_tokens.size > 10
  end

  lines.join("\n")
end

.run_on_slave(proxy, params) ⇒ Object 



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# File 'lib/profiler/mcp/tools/run_tests.rb', line 74

def self.run_on_slave(proxy, params)
  files        = Array(params["files"])
  framework    = params["framework"].to_s
  timeout_secs = (params["timeout_seconds"] || DEFAULT_TIMEOUT).to_i
  max_output   = (params["max_output"] || DEFAULT_MAX_OUTPUT).to_i

  run_data = proxy.post_json("/_profiler/api/test_runner/runs", { files: files, framework: framework.presence || "rspec" })

  if run_data["error"]
    return [{ type: "text", text: "Error starting tests on slave: #{run_data["error"]}" }]
  end

  run_id  = run_data["id"]
  deadline = Time.now + timeout_secs
  timed_out = false

  loop do
    break if Time.now > deadline && (timed_out = true)
    run_data = proxy.get_json("/_profiler/api/test_runner/runs/#{run_id}")
    break if %w[completed failed cancelled].include?(run_data["status"])
    sleep 2
  end

  output = run_data["output_lines"]&.join.to_s
  output = "…(truncated)\n" + output[-(max_output)..] if output.length > max_output

  text = "# Test Run on slave '#{params["slave"]}' #{timed_out ? "(timed out)" : ""}\n\n"
  text += "| Field | Value |\n|-------|-------|\n"
  text += "| Run ID | `#{run_id}` |\n"
  text += "| Status | **#{run_data["status"]}** |\n"
  text += "| Exit code | #{run_data["exit_code"].inspect} |\n\n"
  text += "## Output\n```\n#{output.strip}\n```"
  [{ type: "text", text: text }]
end