コードカバレッジを知ろう

コードカバレッジを知ろう

WACATE 2018 Winter
https://wacate.jp/workshops/2018winter/program/#session6

Transcript

1. 
   
   WACATE 2018 WINTER
   2018/12/16
   

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2. 
   • .@imtnd)
   • %+)!"
   ( ($) /
   • #,-*(
   • WACATE
   
   • Naite$&'+
   

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3. &'#.1"2/
   •-+')(%) !2* ,0'$
   
   
   •
   
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4. 
   
   
   
   
   

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5. 
   
   

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6. A746526
   “/E=F8E6526(A746526?1@FC52
   6&%526)% 526
   #3:6*+)?1@FC,;1+-6
   -B2#"$ ($('
   526!'”
   ISTQB526
   
   Foundation Level 0B92 Version 2011.J02
   http://jstqb.jp/dl/JSTQB-SyllabusFoundation_Version2011.J02.pdf
   

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7. !.0,:<!94021-2!
   • 94021-2"
   • !"#*;-!
   %(8/03?
   (<602>?&')2602> $8<5
   ?&%+=37=-!1-2%
   

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8. 
   
   Extreme programming
   https://en.wikipedia.org/wiki/Extreme_programming
   

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9. 
   
   TestPyramid
   https://martinfowler.com/bliki/TestPyramid.html
   

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10. ?:79859(
    • (859A=@(859"&(859
    
    ,+''-
    • ?:79859%'#!859)(859A=
    @%*$1;C-.%)'
    • (859%) -& 3C5
    • 60>B24'859
    etc
    

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11. =;79869-
    • ,8692&10%*$
    +"
    •8694?:-$+// 869$(
    0%*$!0
    → =;79869.,')'/#%*$"
    → 2(0,.4?:3<>752(0 $!0
    

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12. +),"
    -2*'/*')+),
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    $
    6
    7
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    6)+5,14,+),+), 7
    

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13. 
    
    
    
    
    
    
    
    
    
    
    
    
    
    

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14. $
    !%#"&#
    !%#
    (
    
    
    
    0 ≦ ≦ 255
    '
    =-1,0,255,256,a etc
    "&#
    

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15. O^VMW\SPJ";H8?BEHZ[SU
    • TQU;H!J BJH8?>3Y]PLKU?:
    =C(:<-J%;H8?6>7H
    • TQU9I=4A4.J%,;H8?6')5F%,;
    H8?6>7H
    • Y]PLNUC C-?:=@C&C+2J:=4HC56
    
    H
    • 6:3TQU:7H
    • /0BTQU;HEGD3A41$>#ATQU6
    *
    

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16. 
    
    

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17. !/()-%"
    •$/#!/(*./ ,/'
    •&/, +*,
    • ,/'
    ,/'
    
    

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18. 
    •
    •
    
    •
    
    •
    •(MC/DC)
    

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19. 
    •
    
    
    statement coverage =
    
    
    × 100
    

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20. "(#%'#$&!
    
    
    
    
    • ( )
    " #
    100%
    False
    True
    

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21. View Slide

22. 
    
    
    
    No
    Yes
    age isStudent
    1 19 True 1000
    
    
    

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23. !!
    •
    ( TRUE OR
    FALSE) "!"
    condition coverage =
    
    " × "
    × 100
    

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24. 
    
    
    
    
    
    • condition1TrueFalse
    condition2TrueFalse
    
    100%
    False
    True
    

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25. 
    
    
    
    
    
    •
    
    condition1 condition2
    1 True False False
    2 False True False
    False
    True
    

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26. -91*.59+270/
    and(&&)
    #
    38,64"&
    $False
    ' )!
    %'()
    ← condition2True$
    "$(!
    %'
    condition1 condition2
    1 True False False
    2 False : False
    

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27. condition1 condition2
    1 True False False
    2 False ( False
    '#' %
    !&$"
    
    
    
    condition1 condition2
    1 True False False
    2 False ( False
    3 True True True
    

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28. View Slide

29. 
    
    
    
    No
    Yes
    age isStudent
    1 19 False 1200
    2 20 True 1200
    (3 19 True 1000)
    
    
    

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30. !
    •
    "!"
    
    decision coverage =
    
    
    "
    × 100
    

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31. ' "#*,!)+%#
    
    
    
    
    • (-
    
    .&$(
    100%
    False
    True
    

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32. &(+$*
    •!#
    %,+!,
    •"'+$* &(+$*
    ,)
    branch coverage =
    
    #,)
    × 100
    

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33. %&( $'!
    
    
    
    
    • ( )
    *"#
    100%
    False
    True
    

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34. 
    
    
    
    (
    )
    10
    

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35. 
    
    
    
    No
    Yes
    age isStudent
    1 19 True 1000
    2 20 False 1200
    
    
    

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36. 9BF?;(MC/DC) H I
    • =GC@6:D@69E*>CA785(.021
    • !and"/!or", #4
    
    • 9BF?;-, ,@)100%)*1
    • X$+*1)$31',@• X$+*1)$31',@• (J)K4&%@

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37. !" (MC/DC) # $
    A B C
    
    1 T T T T
    2 T T F F
    3 T F T T
    4 T F F F
    5 F T T T
    6 F T F F
    7 F F T F
    8 F F F F
    & (A or B) and C
    ABC
    A(T) T--
    A(F) F--
    B(T) -T-
    B(F) -F-
    C(T) --T
    C(F) --F
    ↑ %
    
    
    

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38. (MC/DC)
    A B C
    
    1 T T T T
    2 T T F F
    3 T F T T
    4 T F F F
    5 F T T T
    6 F T F F
    7 F F T F
    8 F F F F
    (A or B) and C
    ABC
    A(T) T--
    A(F) F--
    B(T) -T-
    B(F) -F-
    C(T) --T
    C(F) --F
    ABC(
    
    A(T) TFT(T)
    A(F) FFT(F)
    B(T) FTT(T)
    B(F) FFT(F)
    C(T) TFT(T)
    C(F) TFF(F)
    A(T)C(T) A(F)B(F) ↑
    

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39. (MC/DC) !"
    A B C
    
    1 T T T T
    2 T T F F
    3 T F T T
    4 T F F F
    5 F T T T
    6 F T F F
    7 F F T F
    8 F F F F
    # (A or B) and C
    A B C
    
    3 T F T T
    4 T F F F
    5 F T T T
    7 F F T F
    2^3
    
    (N+1)
    

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40. #, '
    100%)&?
    •&%' *"(3>90 /()
    $/
    •<:687580 /(&3>9,/
    •;=4128'-!"%.0$ /(0
    +"$
    • ')7,80%.?
    

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41. 
    •)3/(02,* 4 -+.)3/
    %
    •-+.)3/
    (02,*13.&
    "
    #'
    $ (02,*-+.
    !
    

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42. 
    

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43. &!'
    • :6142/4%#(!
    • :6142/4$2/4,?5%,?5+7=1.)(!
    "$ 2/4($) (! (
    • ,?5+7=1.
    • /2?49>4+7=1.
    • ,>3*-;>+7=1.
    • 3*-.;>+7=1.
    • 8<>0+7=1.
    •
    +7=1.(MC/DC)
    

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44. 
    •
    Python
    •
    
    unittest
    •
    Coverage.py
    

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45. 
    • ,2.&'%-+.
    VERSION 2.3.J02
    HTTP://JSTQB.JP/DL/JSTQB-GLOSSARY.V2.3.J02.PDF
    • ISTQB-+.FOUNDATION LEVEL *41+
    VERSION 2011.J02
    HTTP://JSTQB.JP/DL/JSTQB-SYLLABUSFOUNDATION_VERSION2011.J02.PDF
    • ISTQB-+.ADVANCED LEVEL *41+
    -)0(6-+.%/5+.
    VERSION2012.J02
    HTTP://JSTQB.JP/DL/JSTQB-SYLLABUS.ADVANCED_TTA_VERSION2012.J02.PDF
    • MC/DC#$ ++3
    HTTPS://WWW.ZIPC.COM/CAL/WHITEPAPER/DL/03.PDF
    • ADVANCED SOFTWARE TESTING - VOL. 3, 2ND EDITION: GUIDE TO THE ISTQB ADVANCED CERTIFICATION AS
    AN ADVANCED TECHNICAL TEST ANALYST
    • !" -+.
    • ,2.&'%-+.
    

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