Module: NPlusOneControl::MinitestHelper

Defined in:
lib/n_plus_one_control/minitest.rb

Overview

Minitest assertions

Instance Method Summary collapse

Instance Method Details

#assert_perform_constant_number_of_queries(exact = nil, populate: nil, matching: nil, scale_factors: nil, warmup: nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/n_plus_one_control/minitest.rb', line 8

def assert_perform_constant_number_of_queries(
  exact = nil,
  populate: nil,
  matching: nil,
  scale_factors: nil,
  warmup: nil
)

  raise ArgumentError, "Block is required" unless block_given?

  warming_up warmup

  @executor = NPlusOneControl::Executor.new(
    population: populate || population_method,
    matching: matching || NPlusOneControl.default_matching,
    scale_factors: scale_factors || NPlusOneControl.default_scale_factors
  )

  queries = @executor.call { yield }

  counts = queries.map(&:last).map(&:size)

  if exact
    assert counts.all? { _1 == exact }, NPlusOneControl.failure_message(:number_of_queries, queries)
  else
    assert counts.max == counts.min, NPlusOneControl.failure_message(:constant_queries, queries)
  end
end

#assert_perform_linear_number_of_queries(slope: 1, populate: nil, matching: nil, scale_factors: nil, warmup: nil) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/n_plus_one_control/minitest.rb', line 37

def assert_perform_linear_number_of_queries(
  slope: 1,
  populate: nil,
  matching: nil,
  scale_factors: nil,
  warmup: nil
)

  raise ArgumentError, "Block is required" unless block_given?

  warming_up warmup

  @executor = NPlusOneControl::Executor.new(
    population: populate || population_method,
    matching: matching || NPlusOneControl.default_matching,
    scale_factors: scale_factors || NPlusOneControl.default_scale_factors
  )

  queries = @executor.call { yield }

  assert linear?(queries, slope: slope), NPlusOneControl.failure_message(:linear_queries, queries)
end

#current_scale ⇒ Object 



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# File 'lib/n_plus_one_control/minitest.rb', line 60

def current_scale
  @executor&.current_scale
end