入門ミューテーションテスト/ A bigginer's guide to Mutation testing

PHPカンファレンス沖縄 2019 でLTした内容です

Transcript

1. PHPΧϯϑΝϨϯεԭೄ 2019 ٢ా͋ͻΔ (@strtyuu) ೖ໳
   ϛϡʔςʔγϣϯςετ
2. ࣗݾ঺հ  ٢ా͋ͻΔ
   !TUSUZVV
   τΡΪϟολʔגࣜձࣾ
   
   
   
   
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3.  $VSBUJPO
   
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4. ςετॻ͍ͯ·͔͢ʁ 
5. lྑ͍zςετॻ͍ͯ·͔͢ʁ 
6. ྑ͍ςετͬͯԿͩΖ͏  ɾಡΊ͹Ϋϥεͷ࢓༷͕Θ͔Δʁ
   ɾόά͕ൃੜ͠ͳ͍͜ͱΛอূͯ͘͠ΕΔʁ
   ɾ։ൃͷϦζϜΛ࡞ͬͯ͘ΕΔʁ 5%%
   ɾFUD
7. ྑ͍ςετͬͯԿͩΖ͏  ɾಡΊ͹Ϋϥεͷ࢓༷͕Θ͔Δʁ
   ɾόά͕ൃੜ͠ͳ͍͜ͱΛอূͯ͘͠ΕΔʁ
   ɾ։ൃͷϦζϜΛ࡞ͬͯ͘ΕΔʁ 5%%
   ɾFUD
8. Ͳ͏΍ͬͯ֬ೝ͢Δʜʜʁ  ɾڧ͍ΤϯδχΞʹϨϏϡʔͯ͠΋Β͏ʁ
   ɾΧόϨοδΛʹ͢Δʁ
9. Ͳ͏΍ͬͯ֬ೝ͢Δʜʜʁ  ɾڧ͍ΤϯδχΞʹϨϏϡʔͯ͠΋Β͏ʁ
   ɾΧόϨοδΛʹ͢Δʁ
10. ϛϡʔςʔγϣϯςετ
    Λ࢖͓͏ 
11. ϛϡʔςʔγϣϯςετͱ͸ 
12.  ςετ ΞϓϦέʔγϣϯ ඼࣭Λอূ
13.  ϛϡʔςʔγϣϯςετ ςετ ΞϓϦέʔγϣϯ ඼࣭Λอূ ඼࣭Λอূ
14. Ͳ͏΍͍ͬͯΔͷ͔  ɾΞϓϦέʔγϣϯίʔυΛมҟͤ͞ɺ࠶౓ς ετΛ࣮ߦ͢Δ͜ͱͰςετͷਖ਼౰ੑΛධՁ͢ Δ
15.  IUUQTHJUIVCDPNJOGFDUJPOJOGFDUJPO
16.  ɾ'VODUJPO
    4JHOBUVSF
    ɾ6OXSBQ
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    ɾ#JOBSZ
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    PS
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17.  $a = array_filter([‘A’, 3, ‘C’], ‘is_int’); $a = [‘A’, 3, ‘C’];
18.  $a < $b $a <= $b $a >= $b
19.  try {} catch (\Exception $e) {} finally {} try {} catch (\Exception $e) {}
20. 
21. 
22. %&.0 
23. ϛϡʔςʔγϣϯςετ
 ׆༻͍͖ͯ͠·͠ΐ͏ʂ