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How to use let method of MemoizedInstrumentation Package

Best Test-prof_ruby code snippet using MemoizedInstrumentation.let

rspec_dissect.rb

Source:rspec_dissect.rb

...3require "test_prof/rspec_stamp"4require "test_prof/logging"5module TestProf6  # RSpecDissect tracks how much time do you spend in `before` hooks7  # and memoization helpers (i.e. `let`) in your tests.8  module RSpecDissect9    module ExampleInstrumentation # :nodoc:10      def run_before_example(*)11        RSpecDissect.track(:before) { super }12      end13    end14    module MemoizedInstrumentation # :nodoc:15      def fetch_or_store(id, *)16        res = nil17        Thread.current[:_rspec_dissect_let_depth] ||= 018        Thread.current[:_rspec_dissect_let_depth] += 119        begin20          res = if Thread.current[:_rspec_dissect_let_depth] == 121            RSpecDissect.track(:let, id) { super }22          else23            super24          end25        ensure26          Thread.current[:_rspec_dissect_let_depth] -= 127        end28        res29      end30    end31    # RSpecDisect configuration32    class Configuration33      MODES = %w[all let before].freeze34      attr_accessor :top_count, :let_stats_enabled,35                    :let_top_count36      alias let_stats_enabled? let_stats_enabled37      attr_reader :mode38      def initialize39        @let_stats_enabled = true40        @let_top_count = (ENV["RD_PROF_LET_TOP"] || 3).to_i41        @top_count = (ENV["RD_PROF_TOP"] || 5).to_i42        @stamp = ENV["RD_PROF_STAMP"]43        @mode = ENV["RD_PROF"] == "1" ? "all" : ENV["RD_PROF"]44        unless MODES.include?(mode)45          raise "Unknown RSpecDissect mode: #{mode};" \46                "available modes: #{MODES.join(", ")}"47        end48        RSpecStamp.config.tags = @stamp if stamp?49      end50      def let?51        mode == "all" || mode == "let"52      end53      def before?54        mode == "all" || mode == "before"55      end56      def stamp?57        !@stamp.nil?58      end59    end60    METRICS = %w[before let].freeze61    class << self62      include Logging63      def config64        @config ||= Configuration.new65      end66      def configure67        yield config68      end69      def init70        RSpec::Core::Example.prepend(ExampleInstrumentation)71        RSpec::Core::MemoizedHelpers::ThreadsafeMemoized.prepend(MemoizedInstrumentation)72        RSpec::Core::MemoizedHelpers::NonThreadSafeMemoized.prepend(MemoizedInstrumentation)73        @data = {}74        METRICS.each do |type|75          @data["total_#{type}"] = 0.076        end77        reset!78        log :info, "RSpecDissect enabled"79      end80      def track(type, meta = nil)81        start = TestProf.now82        res = yield83        delta = (TestProf.now - start)84        type = type.to_s85        @data[type][:time] += delta86        @data[type][:meta] << meta unless meta.nil?87        @data["total_#{type}"] += delta88        res89      end90      def reset!91        METRICS.each do |type|92          @data[type.to_s] = {time: 0.0, meta: []}93        end94      end95      # Whether we are able to track `let` usage96      def memoization_available?97        defined?(::RSpec::Core::MemoizedHelpers::ThreadsafeMemoized)98      end99      def time_for(key)100        @data[key.to_s][:time]101      end102      def meta_for(key)103        @data[key.to_s][:meta]104      end105      def total_time_for(key)106        @data["total_#{key}"]107      end108    end109  end110end111require "test_prof/rspec_dissect/collectors/let"112require "test_prof/rspec_dissect/collectors/before"113require "test_prof/rspec_dissect/rspec" if TestProf.rspec?114TestProf.activate("RD_PROF") do115  TestProf::RSpecDissect.init116end...

let

Using AI Code Generation

1  def self.let(name, &block)2    define_method(name) do3foo.extend(MemoizedInstrumentation)4foo.let(:bar) { foo.bar + 1 }5  def self.let(name, &block)6    define_method(name) do7foo.extend(MemoizedInstrumentation)8foo.let(:bar) { foo.bar + 1 }9  def self.let(name, &block)10    define_method(name) do11foo.extend(MemoizedInstrumentation)12foo.let(:bar) { foo.bar + 1 }

let

Using AI Code Generation

1    let(:bar) do2    memoize(:bar) do3    memoize(:bar) { expensive_method }4    memoize(:bar) { expensive_method }5    memoize(:bar) { expensive_method }6    memoize(:bar) { expensive_method }

let

Using AI Code Generation

1  let(:simple_class) { SimpleClass.new }2    expect(simple_class.do_something).to eq("did something")3      def self.let(name, &block)4          RSpec.configuration.mock_framework.instance_exec(name, &block)5    diff-lcs (1.2.5)6    rspec (3.0.0.beta1)7      rspec-core (~> 3.0.0.beta1)8      rspec-expectations (~> 3.0.0.beta1)9      rspec-mocks (~> 3.0.0.beta1)10    rspec-core (3.0.0.beta1)11      rspec-support (~> 3.0.0.beta1)12    rspec-expectations (3.0.0.beta1)13      diff-lcs (>= 1.2.0, < 2.0)14      rspec-support (~> 3.0.0.beta1)15    rspec-mocks (3.0.0.beta1)16      rspec-support (~> 3.0.0.beta1)17    rspec-support (3.0

let

Using AI Code Generation

1  def self.let(name, &block)2    define_method(name) do3foo.extend(MemoizedInstrumentation)4foo.let(:bar) { foo.bar + 1 }5  def self.let(name, &block)6    define_method(name) do7foo.extend(MemoizedInstrumentation)8foo.let(:bar) { foo.bar + 1 }9  def self.let(name, &block)10    define_method(name) do11foo.extend(MemoizedInstrumentation)12foo.let(:bar) { foo.bar + 1 }

let

Using AI Code Generation

1  @@memoized_values = {}2  def self.let(name, &block)3  def self.memoized_value(name)4    MemoizedInstrumentation.let(:a) { 1 }5    expect(MemoizedInstrumentation.memoized_value(:a)).to eq(1)

let

Using AI Code Generation

1 rand(100)2 rand(100)3 rand(100)

let

Using AI Code Generation

1  let(:simple_class) { SimpleClass.new }2    expect(simple_class.do_something).to eq("did something")3      def self.let(name, &block)4          RSpec.configuration.mock_framework.instance_exec(name, &block)5    diff-lcs (1.2.5)6    rspec (3.0.0.beta1)7      rspec-core (~> 3.0.0.beta1)8      rspec-expectations (~> 3.0.0.beta1)9      rspec-mocks (~> 3.0.0.beta1)10    rspec-core (3.0.0.beta1)11      rspec-support (~> 3.0.0.beta1)12    rspec-expectations (3.0.0.beta1)13      diff-lcs (>= 1.2.0, < 2.0)14      rspec-support (~> 3.0.0.beta1)15    rspec-mocks (3.0.0.beta1)16      rspec-support (~> 3.0.0.beta1)17    rspec-support (3.0

let

Using AI Code Generation

1  def self.let(name)2    define_method(name) do3  def self.let(name)4    define_method(name) do5  def self.let(name)6    define_method(name) do7  def self.let(name)8    define_method(name) do9  def self.let(name)10    define_method(name) do

let

Using AI Code Generation

1  @@memoized_values = {}2  def self.let(name, &block)3  def self.memoized_value(name)4    MemoizedInstrumentation.let(:a) { 1 }5    expect(MemoizedInstrumentation.memoized_value(:a)).to eq(1)

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