Lock in $30 Savings on PRO—Offer Ends Soon! ⏳

Unlocking Potential of Property Based Testing w...

Unlocking Potential of Property Based Testing with Ractor

Masato Ohba

May 15, 2024
Tweet

More Decks by Masato Ohba

Other Decks in Programming

Transcript

  1.  ✅ &BTZUPXSJUFBOEVOEFSTUBOE ✅ 6TFGVMUPFOTVSFPVSQSPHSBN XPSLTBTFYQFDUFE ❌ 0OMZ fi OETCVHTUIBUB

    QSPHSBNNFSQSFEJDUFE &YBNQMFCBTFEUFTUJOH 8IBUJTQSPQFSUZCBTFEUFTUJOH 8IBUJGBOFNQUZBSSBZJTHJWFO
  2.  w (FOFSBUFIVOESFET UIPVTBOETPGUFTUJOQVUT BUSBOEPN w %FTDSJCFUFTUUBSHFUT QSPQFSUZ OPUBOFYBNQMF 1SPQFSUZCBTFEUFTUJOH

    8IBUJTQSPQFSUZCBTFEUFTUJOH 3BOEPNJTO`USFBMMZSBOEPN$POUSPMMFEBOESFQSPEVDJCMFSBOEPNOFTT
  3.  1SPQFSUZ 8IBUJTQSPQFSUZCBTFEUFTUJOH w "QSPQFSUZDBOCF FYQSFTTFEBTGPMMPX w GPSBOZ Y Z

      TVDIUIBU QSFDPOEJUJPO Y Z   IPMET QSFEJDBUF Y Z  JT USVF 2
  4.  w *UTIJTUPSZJTMPOH w  IUUQTJFFFYQMPSFJFFFPSH EPDVNFOU w  IUUQTEMBDNPSHEPJBCT

     w  IUUQTEMBDNPSHEPJ  2%PFTJUIBWFUSBDLSFDPSET ":FT BMPU 8IBUJTQSPQFSUZCBTFEUFTUJOH
  5.  w 'V[[JOHJTGFFEJOHBQJFDFPGDPEF GVODUJPO QSPHSBN FUD EBUB GSPNBMBSHFDPSQVT QPTTJCMZEZOBNJDBMMZHFOFSBUFE QPTTJCMZ

    EFQFOEFOUPOUIFSFTVMUTPGFYFDVUJPOPOQSFWJPVTEBUB JOPSEFS UPTFFXIFUIFSJUGBJMT w 1SPQFSUZCBTFEUFTUJOHJTUIFDPOTUSVDUJPOPGUFTUTTVDIUIBU  XIFOUIFTFUFTUTBSFGV[[FE GBJMVSFTJOUIFUFTUSFWFBMQSPCMFNT XJUIUIFTZTUFNVOEFSUFTUUIBUDPVMEOPUIBWFCFFOSFWFBMFECZ EJSFDUGV[[JOHPGUIBUTZTUFN 28IBUBCPVUGV[[JOH 8IBUJTQSPQFSUZCBTFEUFTUJOH IUUQTIZQPUIFTJTXPSLTBSUJDMFTXIBUJTQSPQFSUZCBTFEUFTUJOH
  6.  w $BTFXIFOSVOOJOHTPNF$16 CPVOEJTPMBUFEUBTLT w "TGPS5ISFBE BOVNCFSPG QBSBMMFMJTNJTBUNPTUEVFUP(7- .VMUJUISFBEJOHEPFTOUTQFFEVQ $16CPVOEUBTLTJOHFOFSBM

    w #VU3BDUPSDBOQBSBMMFMJ[FVQUPB OVNCFSPG$16DPSFT 8IBULJOEPGVTFDBTFJTTVJUBCMFGPS3BDUPS )PXEPFT3BDUPSVOMPDLUIFQPUFOUJBM
  7.  w *USVOTIVOESFETPGUFTUDBTFT w &BDIDBTFEPFTOUEFQFOEPO QSFWJPVTPSTVCTFRVFOUDBTFT w -PUTPGUBTLTUIBUEPOU JOUFSGFSFFBDIPUIFS 8IBUBCPVUQSPQFSUZCBTFEUFTUJOH

    )PXEPFT3BDUPSVOMPDLUIFQPUFOUJBM 5IJTUBMLGPDVTFTPOTUBUFMFTTQSPQFSUZCBTFEUFTUJOHPOMZ *UTFFNTBHPPEDBOEJEBUFPGBVTFDBTFPG3BDUPS
  8.  w *GFBDIJUFSBUJPOUBLFT NT PWFSBMMFYFDVUJPO UBLFT/UJNFTTMPXFS w &YJTUJOHNPTUQSPQFSUZ CBTFEUFTUJOHUPPMTSVO UFTUTTFRVFOUJBMMZ

    )PXEPFT3BDUPSVOMPDLUIFQPUFOUJBM $PEFMJOFT ✅-FTTDPEF $PWFSBHF ✅.PSFEJWFSTFJOQVUT -FBSOJOHDPTU ❌)BSEUPNBTUFS &YFDVUJPOUJNF ❌5BLFNPSFUJNF 3FDBQQSPQFSUZCBTFEUFTUJOHTXFBLQPJOUT
  9.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT $SFEJU*SFGFSSFEGBTUDIFDLTEFTJHOIUUQTGBTUDIFDLEFW *OUFSOBMEFTJHOPG
  10.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT 3VOOFS3VOOFS*UFSBUPS 1 5IFZIBOEMFUIFUFTUJOH fl PX  (FOFSBUFJOJUJBMWBMVFT 3VOBUFTU 3FDPSESFTVMU 4ISJOLJGBUFTUGBJMT
  11.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO3VO%FUBJMT3FQPSUFS 3VO&YFDVUJPOIPMET UFTUSFTVMU 'BJMFEWBMVFTBOE FYDFQUJPOTFUD  3VO%FUBJMT3FQPSUFS GPSNBUTSFTVMUGPS QSPHSBNNFST 2 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT
  12.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT 1SPQFSUZ 3
  13.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT "SCJUSBSZ 4
  14.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT %JWFJOUP"SCJUSBSZ
  15.  5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS BTTFSU

    DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT %JWFJOUP1SPQFSUZ
  16.  *OUFSOBMEFTJHO8IZ 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 1SPQFSUZ !QSFEJDBUF !BSCJUSBSZ HFOFSBUF TISJOL SVO 3VOOFS

    BTTFSU DIFDL 3VO%FUBJMT3FQPSUFS !SVO@EFUBJMT SFQPSU@SVO@EFUBJMT "SCJUSBSZ HFOFSBUF TISJOL 3VOOFS*UFSBUPS !SVO@FYFDVUJPO !QSPQFSUZ 3VO&YFDVUJPO !GBJMVSFT !FYFDVUJPO@USFFT UP@SVO@EFUBJMT 1 2 3 4 $PODVSSFODZJTBCPVUTUSVDUVSF XIFSFBTQBSBMMFMJTNJTBCPVUFYFDVUJPO  &YJTUJOH3VCZHFNTGPSQSPQFSUZCBTFEUFTUJOHEPFTOUIBWFBTUSVDUVSFGPSUIBU IUUQTHPDPNJYJOHVQDPODVSSFODZBOEQBSBMMFMJTN
  17.  #FODINBSLGPSDPODVSSFODZNPEFMTYUFTUUBSHFUT 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT 8PSLFS 8PSLFSDPVOU *OUIJT CFODINBSL 3BDUPS PGDBTFT 

    PSNPSF 1SPDFTT PGDPSFTPOBNBDIJOF  5ISFBE PGDPSFTPOBNBDIJOF  /POF 0OF+VTUSVOTBMMDBTFT TFRVFOUJBMMZ 
  18.  4JNQMFUBTL 4JNQMFUBTLCVUGBJMVSF w /FJUIFS$16CPVOEOPS*0CPVOE w *UKVTUSVOTBUFTUUJNFTGPSFBDIHFOFSBUFEWBMVF w /FJUIFS$16CPVOEOPS*0CPVOE w

    4ISJOLJOHIBQQFOTUJNFTXJUIBHJWFOTFFE UFTUUBSHFUT 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT
  19.  $16CPVOE *0CPVOE w 5BSBJGVODUJPOXJUI   XIJDIDBVTFT  UJNFTNFUIPEDBMMT

    w 5IJTCFODINBSLVTFTADPOTUBOUABSCJUSBSZ UP fi YJOQVUWBMVFT w *USFBETB fi MFUIBUDPOUBJOTQBSBHSBQIT   XPSET  CZUFT w *XBOUFEUPDBMMBOFUXPSL%#DBMMIFSFCVU XBTOUBCMFEVFUP3BDUPSTMJNJUBUJPOT 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT
  20.  *UFSBUJPOTQFSTFDPOECFODINBSL IUUQTHJUIVCDPNPICBSZFQCUCMPCDFGBFBFBBDGBCCGCFODINBSL3&"%.&NE w NBD04  "QQMF.1SP DPSFT  QFSGPSNBODFBOE

    F ffi DJFODZ  w SVCZ  SFWJTJPO DDE  ./ <BSNEBSXJO> w QCUDPNNJUIBTI FDBFDDFCB FECBEGG EDGEB 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT
  21.  1028 1534 2425 w 4FRVFOUJBMQSPDFTTJOH JTGBTUFOPVHI w 3BDUPSFNFSHFTBTB DIBNQJPOXIFOBUFTU

    UBSHFUJT$16CPVOE w .VMUJQSPDFTTUISFBE XPOOPOFPGSBDFT 0WFSBMMPCTFSWBUJPO 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT
  22.  1028 1534 2425 UJNFT GBTUFS UJNFT TMPXFS UJNFT TMPXFS

    UJNFT TMPXFS w 3BDUPSJTYGBTUFS GPSUIF$16CPVOE UBTL w 3BDUPSJTYY TMPXFSGPSPUIFSUBTLT 3BDUPSWTTFRVFOUJBM 5FTUJOHUPPMJNQMFNFOUBUJPOUPWFSJGZUIFIZQPUIFTJT
  23.  w *OCFODINBSLT 3BDUPSXJOT$16CPVOEUBTLPOMZ w %J ff i DVMUJFTBOEJTTVFTPG3BDUPSJOSFBMXPSME 

    $BO3BDUPSVOMPDLUIFQPUFOUJBMPGQSPQFSUZCBTFE UFTUJOH 'JOEJOHT 'JOEJOHT 1 2
  24.  w !LPTBOQPJOUFEPVU JTTVFTJO3VCZ,BJHJ w 5IFOEJTUIFCJHHFTU JTTVFUPVTFSTMJLFNF %J ffi DVMUJFTBOEJTTVFTPG3BDUPSJOSFBMXPSME

    'JOEJOHT IUUQTBUEPUOFUdLPBDUJWJUJFT@SVCZLBJHJQEG IUUQTSVCZLBJHJPSHQSFTFOUBUJPOTLPIUNM 2
  25.  w *UTIBSEUP fi OEPVUBO JOEFQFOEFOUBOEJTPMBUFE QSPDFTTJOHUBTL PSUP SFGBDUPSPVSDPEFUPCFTP 3BDUPSTMJNJUBUJPOT

    'JOEJOHT IUUQTTQFBLFSEFDLDPNN@TFLJMFBSOSBDUPS IUUQTSVCZLBJHJPSHQSFTFOUBUJPOTN@TFLJIUNM .PTU3VCZDPEFUIBUXFXSJUFVTFEPFTOUXPSLPO3BDUPS
  26. $BOULOPXXIFUIFSB3VCZ DPEFJT3BDUPSDPNQBUJCMF PSOPUBUBHMBODF  5PXBSET3BDUPSDPNQBUJCMFFDPTZTUFN 'JOEJOHT 3BDUPSDPNQBUJCJMJUZMBCFMPSBTTFSUJPO 3BDUPSXFMDPNFMBCFM &WFOJGOPOVTFSDPEFJTOPU 3BDUPSDPNQBUJCMF

    TIPVME XF fi YJUPOVQTUSFBN w 3BJTFBOFSSPSTBZJOH*UTOPU3BDUPSDPNQBUJCMF XIFOSVOOJOHPOOPONBJO3BDUPS w 4UBUJDBOBMZTJTPS$* HFNTQFD SVCZTQFDFUD w .BLJOHJU3BDUPSDPNQBUJCMFNBZSFRVJSFTJHOJ fi DBOUDPEF DIBOHFT w "UMFBTUGPSTUBOEBSEEFGBVMUCVOEMFEHFNT *EMPWFUPLOPX BQPMJDZPGXIFUIFSJUETVQQPSU3BDUPS
  27.  3FGFSFODFT1SPQFSUZCBTFEUFTUJOH w 5FTUJOH"TZODISPOPVT"1*T8JUI2VJDL$IFDL w IUUQTXXXFSMBOHGBDUPSZDPNTUBUJDVQMPBENFEJBQCUFSMBOHGBDUPSZQQUYQEG w 2VJDL$IFDL"4JMWFS#VMMFUGPSUFTUJOH  w

    IUUQTIUNMQSFWJFXHJUIVCJP IUUQTSBXHJUIVCDPNTUSBOHFMPPQMBNCEBKBNNBTUFSTMJEFT/PSUPO2VJDL$IFDLIUNM w *OUSPEVDUJPOUP1SPQFSUZ#BTFE5FTUJOH   w IUUQTNFEJVNDPNDSJUFPFOHJOFFSJOHJOUSPEVDUJPOUPQSPQFSUZCBTFEUFTUJOHGE w 1SPQFSUZCBTFEUFTUJOHPGQSJWJMFHFEQSPHSBNT   w IUUQTJFFFYQMPSFJFFFPSHEPDVNFOU w 1SPQFSUZCBTFEUFTUJOHBOFXBQQSPBDIUPUFTUJOHGPSBTTVSBODF   w IUUQTEMBDNPSHEPJBCT w 2VJDL$IFDLBMJHIUXFJHIUUPPMGPSSBOEPNUFTUJOHPG)BTLFMMQSPHSBNT   w IUUQTEMBDNPSHEPJ w 8IBUJT1SPQFSUZ#BTFE5FTUJOH    w IUUQTIZQPUIFTJTXPSLTBSUJDMFTXIBUJTQSPQFSUZCBTFEUFTUJOH w IUUQTGBTUDIFDLEFW w 1SPQFSUZ#BTFE5FTUJOHXJUI1SPQ&S &SMBOH BOE&MJYJS   w IUUQTQSBHQSPHDPNUJUMFTGIQSPQFSQSPQFSUZCBTFEUFTUJOHXJUIQSPQFSFSMBOHBOEFMJYJS
  28.  3FGFSFODFT1SPQFSUZCBTFEUFTUJOHUPPMT w 3VCZ1SPQ$IFDL 3VCZ  w IUUQTHJUIVCDPN2RXZSVCZ QSPQ@DIFDL w

    3BOUMZ 3VCZ  w IUUQTHJUIVCDPNSBOUMZSCSBOUMZ w TUSFBN@EBUB &MJYJS  w IUUQTHJUIVCDPNXIBUZPVIJEF TUSFBN@EBUB w QSPQDIFDL &MJYJS  w IUUQTHJUIVCDPNBMGFSUQSPQDIFDL w 2VJYJS &MJYJS  w IUUQTHJUIVCDPNQSBHEBWFRVJYJS w GBTUDIFDL +BWB4DSJQU 5ZQF4DSJQU  w IUUQTGBTUDIFDLEFW w SBQJE (P  w IUUQTHJUIVCDPN fl ZJOHNVUBOUSBQJE w HPQUFS (P  w IUUQTHJUIVCDPNMFBOPWBUFHPQUFS w UFTUDIFDL $MPKVSF  w IUUQTHJUIVCDPNDMPKVSFUFTUDIFDL w 4DBMB$IFDL 4DBMB  w IUUQTTDBMBDIFDLPSH w 1SPQ&S &SMBOH  w IUUQTHJUIVCDPNQSPQFSUFTUJOHQSPQFS
  29.  3FGFSFODFT3BDUPS w IUUQTHJUIVCDPNSVCZSVCZCMPCW@@EPDSBDUPSNE w IUUQTEPDTSVCZMBOHPSHFONBTUFS3BDUPSIUNM w 3BDUPS3FDPOTJEFSFE w IUUQTBUEPUOFUdLPBDUJWJUJFT@SVCZLBJHJQEG

    w IUUQTSVCZLBJHJPSHQSFTFOUBUJPOTLPIUNM w -FBSO3BDUPS 3VCZ,BJHJ  w IUUQTTQFBLFSEFDLDPNN@TFLJMFBSOSBDUPS w IUUQTSVCZLBJHJPSHQSFTFOUBUJPOTN@TFLJIUNM w 3VCZιʔείʔυ׬શղઆୈষεϨου w IUUQTJMPWFSVCZOFUKBSIHCPPLUISFBEIUNM w QBSBMMFM w IUUQTHJUIVCDPNHSPTTFSQBSBMMFM w MPVQF w IUUQTHJUIVCDPNWJOJTUPDLMPVQF w IUUQTSVCZLBJHJPSHUBLFPVUQSFTFOUBUJPOTWJOJTUPDLIUNM w IUUQTSTQFDJOGPGFBUVSFTSTQFDDPSFDPNNBOEMJOFPSEFS
  30.  3FGFSFODFT3BDUPS w ./εϨουʹΑΔܰྔͳฒߦॲཧ΁ͷ௅ઓ w IUUQTHJIZPKQBSUJDMFSVCZNOUISFBET w 3VCZʹΑΔฒߦฒྻϓϩάϥϛϯά w IUUQTSVCZXPSMEDPOGPSH

    fi MFTBQEG w 3VCZͷฒྻฒߦॲཧͷ͜Ε·Ͱͱ͜Ε͔Β w IUUQTUFDIMJGFDPPLQBEDPNFOUSZ w ϓϩͱಡΈղ͘3VCZ/&84 w IUUQTUFDIMJGFDPPLQBEDPNFOUSZ w 3VCZͷ3BDUPSΛࣗຫ͍ͨ͠ w IUUQTUFDIMJGFDPPLQBEDPNFOUSZ w 3VCZʹ4PGUXBSF5SBOTBDUJPOBM.FNPSZ 45. ΛೖΕΑ͏ͱࢥͬͨ࿩ w IUUQTUFDIMJGFDPPLQBEDPNFOUSZ