Module: TestProf::AnyFixture

Extended by:
Logging
Defined in:
lib/test_prof/any_fixture.rb,
lib/test_prof/any_fixture/dsl.rb

Overview

Make DB fixtures from blocks.

Defined Under Namespace

Modules: DSL Classes: Cache

Constant Summary collapse

INSERT_RXP = 
/^INSERT INTO ([\S]+)/.freeze

Constants included from Logging

Logging::COLORS

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from Logging

build_log_msg, colorize, log

Class Attribute Details

.reporting_enabled ⇒ Object

Returns the value of attribute reporting_enabled.



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# File 'lib/test_prof/any_fixture.rb', line 43

def reporting_enabled
  @reporting_enabled
end

Class Method Details

.clean ⇒ Object

Clean all affected tables (but do not reset cache)



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# File 'lib/test_prof/any_fixture.rb', line 60

def clean
  disable_referential_integrity do
    tables_cache.keys.reverse_each do |table|
      ActiveRecord::Base.connection.execute %(
        DELETE FROM #{table}
      )
    end
  end
end

.register(id) ⇒ Object

Register a block of code as a fixture, returns the result of the block execution



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# File 'lib/test_prof/any_fixture.rb', line 51

def register(id)
  cache.fetch(id) do
    ActiveSupport::Notifications.subscribed(method(:subscriber), "sql.active_record") do
      yield
    end
  end
end

.report_stats ⇒ Object 



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# File 'lib/test_prof/any_fixture.rb', line 82

def report_stats
  msgs = []

  msgs <<
    <<~MSG
      AnyFixture usage stats:
    MSG

  first_column = cache.stats.keys.map(&:size).max + 2

  msgs << format(
    "%#{first_column}s  %12s  %9s  %12s",
    'key', 'build time', 'hit count', 'saved time'
  )

  msgs << ""

  total_spent = 0.0
  total_saved = 0.0
  total_miss = 0.0

  cache.stats.to_a.sort_by { |(_, v)| -v[:hit] }.each do |(key, stats)|
    total_spent += stats[:time]

    saved = stats[:time] * stats[:hit]

    total_saved += saved

    total_miss += stats[:time] if stats[:hit].zero?

    msgs << format(
      "%#{first_column}s  %12s  %9d  %12s",
      key, stats[:time].duration, stats[:hit],
      saved.duration
    )
  end

  msgs <<
    <<~MSG

      Total time spent: #{total_spent.duration}
      Total time saved: #{total_saved.duration}
      Total time wasted: #{total_miss.duration}
    MSG

  log :info, msgs.join("\n")
end

.reporting_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/test_prof/any_fixture.rb', line 45

def reporting_enabled?
  reporting_enabled == true
end

.reset ⇒ Object

Reset all information and clean tables



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# File 'lib/test_prof/any_fixture.rb', line 71

def reset
  clean
  tables_cache.clear
  cache.clear
end

.subscriber(_event, _start, _finish, _id, data) ⇒ Object 



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# File 'lib/test_prof/any_fixture.rb', line 77

def subscriber(_event, _start, _finish, _id, data)
  matches = data.fetch(:sql).match(INSERT_RXP)
  tables_cache[matches[1]] = true if matches
end