Stop to read unused source code #540
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@yui-knk Excellent, thank you. Would you mind adding a comment above the method or the caching line that states that the memoization/lazy read are intentional? Just so anyone who reads this in the distant future does not accidentally change it back to something non-lazy |
Before this commit all source code were loaded, even if they are not used. For example when taking test coverage for rails applications, in many cases files on "vendor/bundle" are filtered out. By reading source code lazily, the time required to generate results will be shortened.
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@colszowka I added comment why we read lazily 😄 |
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Looks good to me 👍 |
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👍 Thank you @yui-knk ! |
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👏 |
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😄 |
jsonn
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Mar 20, 2017
0.14.1 2017-03-18 ([changes](simplecov-ruby/simplecov@v0.14.0...v0.14.1)) ======== ## Bugfixes * Files that were skipped as a whole/had no relevant coverage could lead to Float errors. See [#564](simplecov-ruby/simplecov#564) (thanks to @stevehanson for the report in [#563](simplecov-ruby/simplecov#563)) 0.14.0 2017-03-15 ([changes](simplecov-ruby/simplecov@v0.13.0...v0.14.0)) ========== ## Enhancements * Officially support JRuby 9.1+ going forward (should also work with previous releases). See [#547](simplecov-ruby/simplecov#547) (ping @PragTob when encountering issues) * Add Channel group to Rails profile, when `ActionCable` is loaded. See [#492](simplecov-ruby/simplecov#492) (thanks @BenMorganIO) * Stop `extend`ing instances of `Array` and `Hash` during merging results avoiding problems frozen results while manually merging results. See [#558](simplecov-ruby/simplecov#558) (thanks @aroben) ## Bugfixes * Fix parallel_tests when a thread ends up running no tests. See [#533](simplecov-ruby/simplecov#533) (thanks @cshaffer) * Skip the `:nocov:` comments along with the code that they skip. See [#551](simplecov-ruby/simplecov#551) (thanks @ebiven) * Fix crash when Home environment variable is unset. See [#482](simplecov-ruby/simplecov#482) (thanks @waldyr) * Make track_files work again when explicitly setting it to nil. See [#463](simplecov-ruby/simplecov#463) (thanks @craiglittle) * Do not overwrite .last_run.json file when refuse_coverage_drop option is enabled and the coverage has dropped (lead to you being able to just rerun tests and everything was _fine_). See [#553](simplecov-ruby/simplecov#553) (thanks @Miloshes) 0.13.0 2016-01-25 ([changes](simplecov-ruby/simplecov@v0.12.0...v0.13.0)) ========== ## Enhancements * Faster run times when a very large number of files is loaded into SimpleCov. See [#520](simplecov-ruby/simplecov#520) (thanks @alyssais) * Only read in source code files that are actually used (faster when files are ignored etc.). See [#540](simplecov-ruby/simplecov#540) (tahks @yui-knk) ## Bugfixes * Fix merging of resultsets if a file is missing on one side. See [#513](simplecov-ruby/simplecov#513) (thanks @hanazuki) * Fix Ruby 2.4 deprecation warnings by using Integer instead of Fixnum. See [#523](simplecov-ruby/simplecov#523) (thanks @nobu) * Force Ruby 2 to json 2. See [dc7417d50](simplecov-ruby/simplecov@dc7417d) (thanks @amatsuda) * Various other gem dependency fixes for different gems on different ruby versions. (thanks @amatsuda)
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Before this commit all source code were loaded, even if
they are not used.
For example when taking test coverage for rails applications,
in many cases files on "vendor/bundle" are filtered out.
By reading source code lazily, the time required to generate
results will be shortened.