minitest-compare¶ ↑

home

github.com/seattlerb/minitest-compare

rdoc

docs.seattlerb.org/minitest-compare

This is a quick and dirty tool to compare test time deltas between two runs by comparing verbose run output.

• pro: stupid simple.

• con: too stupid simple.

% rake TESTOPTS=-v > original_test_run.log
# make some changes to speed things up (or not)
% rake TESTOPTS=-v > new_test_run.log
% minitest_compare original_test_run.log new_test_run.log | head -50
Skipped lines   = 48
Total records   = 4301
Skipped records = 0

ordered from biggest slowdown to biggest speedup:

 -0.11 =   0.00 -   0.11 ( 100.00%) TestRuby21Parser#test_method_call_trailing_comma
 -0.02 =   0.00 -   0.02 ( 100.00%) TestRuby19Parser#test_defn_args_opt_splat_block
 -0.02 =   0.00 -   0.02 ( 100.00%) TestRuby22Parser#test_splat_yield
 -0.02 =   0.00 -   0.02 ( 100.00%) TestRuby23Parser#test_defn_args_mand_opt_mand__19_20_21_22_23
 -0.02 =   0.00 -   0.02 ( 100.00%) TestRuby23Parser#test_splat_next
 -0.01 =   0.00 -   0.01 ( 100.00%) TestRuby19Parser#test_defn_args_mand_opt_mand__19_20_21_22_23
 -0.01 =   0.00 -   0.01 ( 100.00%) TestRubyLexer#test_yylex_hash_colon_quoted_symbol_22
  0.01 =   0.01 -   0.00 (-100.00%) TestRuby21Parser#test_defn_splat_arg
  0.01 =   0.01 -   0.00 (-100.00%) TestRuby23Parser#test_masgn_argscat
  0.01 =   0.01 -   0.00 (-100.00%) TestRuby23Parser#test_not__19_20_21_22_23
...blah blah blah...
  0.38 =   0.38 -   0.00 (-100.00%) TestRuby22Parser#test_flip2
  0.38 =   0.38 -   0.00 (-100.00%) TestRuby23Parser#test_flip3
  0.42 =   0.42 -   0.00 (-100.00%) TestRuby19Parser#test_lambda_do_vs_brace
  0.43 =   0.43 -   0.00 (-100.00%) TestRubyParser#test_parse
  0.94 =   0.94 -   0.00 (-100.00%) TestRuby19Parser#test_i_really_hate_line_numbers
  0.94 =   0.94 -   0.00 (-100.00%) TestRuby23Parser#test_i_really_hate_line_numbers
  0.95 =   0.95 -   0.00 (-100.00%) TestRuby21Parser#test_i_really_hate_line_numbers
  0.95 =   0.95 -   0.00 (-100.00%) TestRuby22Parser#test_i_really_hate_line_numbers
  0.96 =   0.96 -   0.00 (-100.00%) TestRuby18Parser#test_i_really_hate_line_numbers
  0.97 =   0.97 -   0.00 (-100.00%) TestRuby20Parser#test_i_really_hate_line_numbers

total change = 231.27

• minitest

• tests

• sudo gem install minitest-compare

(The MIT License)

Copyright © Ryan Davis, seattle.rb

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.