Example test code
require 'test/unit/rr'
class Klass
def write(txt, silent: true)
puts(txt) unless silent
end
end
class TestKlass < Test::Unit::TestCase
test "write" do
c = Klass.new
mock.proxy(c).write("write", silent: false).once
c.write("write", silent: false)
end
endResult on Ruby 2.6.6
$ rbenv local 2.6.6
$ ruby -w -I"lib:test" test_proxy.rb
Loaded suite test_proxy
Started
write
.
Finished in 0.000560186 seconds.
---------------------------------------------------------------------------------------------------------------------------------------------
1 tests, 0 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
100% passed
---------------------------------------------------------------------------------------------------------------------------------------------
1785.12 tests/s, 0.00 assertions/s
Result on Ruby 3.0.0
$ rbenv local 3.0.0
$ ruby -w -I"lib:test" test_proxy.rb
Loaded suite test_proxy
Started
E
=============================================================================================================================================
test_proxy.rb:13:in `block in <class:TestKlass>'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/injections/double_injection.rb:148:in `write'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/injections/double_injection.rb:40:in `dispatch_method'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/injections/double_injection.rb:183:in `dispatch_method'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/method_dispatches/method_dispatch.rb:16:in `call'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/method_dispatches/method_dispatch.rb:41:in `call_implementation'
/home/aho/.rbenv/versions/3.0.0/lib/ruby/gems/3.0.0/gems/rr-1.2.1/lib/rr/method_dispatches/method_dispatch.rb:30:in `call_original_method'
test_proxy.rb:4:in `write'
Error: test: write(TestKlass): ArgumentError: wrong number of arguments (given 2, expected 1)
=============================================================================================================================================
Finished in 0.001129911 seconds.
---------------------------------------------------------------------------------------------------------------------------------------------
1 tests, 0 assertions, 0 failures, 1 errors, 0 pendings, 0 omissions, 0 notifications
0% passed
---------------------------------------------------------------------------------------------------------------------------------------------
885.03 tests/s, 0.00 assertions/s