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#!/usr/bin/env ruby
# encoding: UTF-8
require File.expand_path('../test_helper', __FILE__)
module SimpleRecursion
# Simple recursive test
def simple(n)
sleep(1)
n -= 1
return if n == 0
simple(n)
end
# More complicated recursive test
def render_partial(i)
sleep(1)
case i
when 0
render_partial(10)
when 1
2.times do |j|
render_partial(j + 10)
end
end
end
def render
2.times do |i|
render_partial(i)
end
end
end
# -- Tests ----
class RecursiveTest < TestCase
def setup
# Need to use wall time for this test due to the sleep calls
RubyProf::measure_mode = RubyProf::WALL_TIME
end
include SimpleRecursion
def test_simple
result = RubyProf.profile do
simple(2)
end
# Remove Fixnum+, Fixnum== for less than Ruby 1.9
result.eliminate_methods!(%w(Fixnum#== Fixnum#-))
methods = result.threads.first.methods.sort.reverse
assert_equal(3, methods.length)
# Method 0: RecursiveTest#test_simple
method = methods[0]
assert_equal('RecursiveTest#test_simple', method.full_name)
assert_equal(1, method.called)
assert_in_delta(2, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(2, method.children_time, 0.1)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert(!call_info.recursive?)
assert_equal('RecursiveTest#test_simple', call_info.call_sequence)
assert_equal(1, call_info.children.length)
# Method 1: SimpleRecursion#simple
method = methods[1]
assert_equal('SimpleRecursion#simple', method.full_name)
assert_equal(2, method.called)
assert_in_delta(2, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.1)
assert_in_delta(0, method.wait_time, 0.1)
assert_in_delta(2, method.children_time, 0.1)
assert_equal(2, method.call_infos.length)
call_info = method.call_infos.first
assert_equal(2, call_info.children.length)
assert_equal('RecursiveTest#test_simple->SimpleRecursion#simple', call_info.call_sequence)
assert(!call_info.recursive?)
call_info = method.call_infos.last
assert_equal(1, call_info.children.length)
assert_equal('RecursiveTest#test_simple->SimpleRecursion#simple->SimpleRecursion#simple', call_info.call_sequence)
assert(call_info.recursive?)
method = methods[2]
assert_equal('Kernel#sleep', method.full_name)
assert_equal(2, method.called)
assert_in_delta(2, method.total_time, 0.1)
assert_in_delta(2, method.self_time, 0.1)
assert_in_delta(0, method.wait_time, 0.1)
assert_in_delta(0, method.children_time, 0.1)
assert_equal(2, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_simple->SimpleRecursion#simple->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
assert(!call_info.recursive?)
call_info = method.call_infos[1]
assert_equal('RecursiveTest#test_simple->SimpleRecursion#simple->SimpleRecursion#simple->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
assert(!call_info.recursive?)
end
def test_cycle
result = RubyProf.profile do
render
end
methods = result.threads.first.methods.sort.reverse
assert_equal(5, methods.length)
method = methods[0]
assert_equal('RecursiveTest#test_cycle', method.full_name)
assert_equal(1, method.called)
assert_in_delta(5, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(5, method.children_time, 0.1)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_cycle', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(!call_info.recursive?)
method = methods[1]
assert_equal('SimpleRecursion#render', method.full_name)
assert_equal(1, method.called)
assert_in_delta(5, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.01)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(5, method.children_time, 0.1)
assert_equal(1, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(!call_info.recursive?)
method = methods[2]
assert_equal('Integer#times', method.full_name)
assert_equal(2, method.called)
assert_in_delta(5, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.1)
assert_in_delta(0, method.wait_time, 0.1)
assert_in_delta(5, method.children_time, 0.1)
assert_equal(2, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(!call_info.recursive?)
call_info = method.call_infos[1]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->Integer#times', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(call_info.recursive?)
method = methods[3]
assert_equal('SimpleRecursion#render_partial', method.full_name)
assert_equal(5, method.called)
assert_in_delta(5, method.total_time, 0.1)
assert_in_delta(0, method.self_time, 0.1)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(5, method.children_time, 0.05)
assert_equal(3, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial', call_info.call_sequence)
assert_equal(3, call_info.children.length)
assert(!call_info.recursive?)
call_info = method.call_infos[1]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->SimpleRecursion#render_partial', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(call_info.recursive?)
call_info = method.call_infos[2]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->Integer#times->SimpleRecursion#render_partial', call_info.call_sequence)
assert_equal(1, call_info.children.length)
assert(call_info.recursive?)
method = methods[4]
assert_equal('Kernel#sleep', method.full_name)
assert_equal(5, method.called)
assert_in_delta(5, method.total_time, 0.1)
assert_in_delta(5, method.self_time, 0.1)
assert_in_delta(0, method.wait_time, 0.01)
assert_in_delta(0, method.children_time, 0.01)
assert_equal(3, method.call_infos.length)
call_info = method.call_infos[0]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
assert(!call_info.recursive?)
call_info = method.call_infos[1]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->SimpleRecursion#render_partial->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
assert(!call_info.recursive?)
call_info = method.call_infos[2]
assert_equal('RecursiveTest#test_cycle->SimpleRecursion#render->Integer#times->SimpleRecursion#render_partial->Integer#times->SimpleRecursion#render_partial->Kernel#sleep', call_info.call_sequence)
assert_equal(0, call_info.children.length)
assert(!call_info.recursive?)
end
end
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