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|
#!/usr/bin/env ruby
# encoding: UTF-8
require File.expand_path("../test_helper", __FILE__)
class AliasTest < TestCase
class TestMe
def some_method
sleep(0.1)
end
alias :some_method_original :some_method
def some_method
some_method_original
end
end
def setup
# Need to use wall time for this test due to the sleep calls
RubyProf::measure_mode = RubyProf::WALL_TIME
end
# This test only correct works on Ruby 2.5 and higher because - see:
# https://bugs.ruby-lang.org/issues/12747
if Gem::Version.new(RUBY_VERSION) >= Gem::Version.new('2.5.0')
def test_alias
result = RubyProf.profile do
TestMe.new.some_method
end
methods = result.threads.first.methods
assert_equal(6, methods.count)
# Method 0
method = methods[0]
assert_equal('AliasTest#test_alias', method.full_name)
assert_equal(28, method.line)
refute(method.recursive?)
assert_equal(0, method.call_trees.callers.count)
assert_equal(2, method.call_trees.callees.count)
call_tree = method.call_trees.callees[0]
assert_equal('Class#new', call_tree.target.full_name)
assert_equal(28, call_tree.line)
call_tree = method.call_trees.callees[1]
assert_equal('AliasTest::TestMe#some_method', call_tree.target.full_name)
assert_equal(28, call_tree.line)
# Method 1
method = methods[1]
assert_equal('Class#new', method.full_name)
assert_equal(0, method.line)
refute(method.recursive?)
assert_equal(1, method.call_trees.callers.count)
call_tree = method.call_trees.callers[0]
assert_equal('AliasTest#test_alias', call_tree.parent.target.full_name)
assert_equal(28, call_tree.line)
assert_equal(1, method.call_trees.callees.count)
call_tree = method.call_trees.callees[0]
assert_equal('BasicObject#initialize', call_tree.target.full_name)
assert_equal(0, call_tree.line)
# Method 2
method = methods[2]
assert_equal('BasicObject#initialize', method.full_name)
assert_equal(0, method.line)
refute(method.recursive?)
assert_equal(1, method.call_trees.callers.count)
call_tree = method.call_trees.callers[0]
assert_equal('Class#new', call_tree.parent.target.full_name)
assert_equal(0, call_tree.line)
assert_equal(0, method.call_trees.callees.count)
# Method 3
method = methods[3]
assert_equal('AliasTest::TestMe#some_method', method.full_name)
assert_equal(13, method.line)
refute(method.recursive?)
assert_equal(1, method.call_trees.callers.count)
call_tree = method.call_trees.callers[0]
assert_equal('AliasTest#test_alias', call_tree.parent.target.full_name)
assert_equal(28, call_tree.line)
assert_equal(1, method.call_trees.callees.count)
call_tree = method.call_trees.callees[0]
assert_equal('AliasTest::TestMe#some_method_original', call_tree.target.full_name)
assert_equal(14, call_tree.line)
# Method 4
method = methods[4]
assert_equal('AliasTest::TestMe#some_method_original', method.full_name)
assert_equal(8, method.line)
refute(method.recursive?)
assert_equal(1, method.call_trees.callers.count)
call_tree = method.call_trees.callers[0]
assert_equal('AliasTest::TestMe#some_method', call_tree.parent.target.full_name)
assert_equal(14, call_tree.line)
assert_equal(1, method.call_trees.callees.count)
call_tree = method.call_trees.callees[0]
assert_equal('Kernel#sleep', call_tree.target.full_name)
assert_equal(9, call_tree.line)
# Method 5
method = methods[5]
assert_equal('Kernel#sleep', method.full_name)
assert_equal(0, method.line)
refute(method.recursive?)
assert_equal(1, method.call_trees.callers.count)
call_tree = method.call_trees.callers[0]
assert_equal('AliasTest::TestMe#some_method_original', call_tree.parent.target.full_name)
assert_equal(9, call_tree.line)
assert_equal(0, method.call_trees.callees.count)
end
end
end
|
