{"id":3786,"date":"2023-06-01T08:09:44","date_gmt":"2023-06-01T08:09:44","guid":{"rendered":"http:\/\/the-codest.localhost\/blog\/uncover-3-differences-in-black-box-vs-white-box-testing\/"},"modified":"2026-03-05T10:42:43","modified_gmt":"2026-03-05T10:42:43","slug":"finndu-thrja-mun-a-svortum-kassa-og-hvitum-kassa-profunum","status":"publish","type":"post","link":"https:\/\/thecodest.co\/is\/blog\/uncover-3-differences-in-black-box-vs-white-box-testing\/","title":{"rendered":"Finndu \u00ferj\u00e1 mun \u00e1 svartkassapr\u00f3fun og hv\u00edtkassapr\u00f3fun"},"content":{"rendered":"

\u00cd landslagi forritapr\u00f3fun<\/strong>, tv\u00e6r n\u00e1lganir eru frumst\u00e6\u00f0ar: svartaboxapr\u00f3f<\/a><\/strong> og hv\u00edtkassapr\u00f3fun<\/a><\/strong>. En hva\u00f0 greinir \u00feessi hugt\u00f6k, sem hlj\u00f3ma eins og \u00feau setji upp orkumikla sk\u00e1k? Vi\u00f0 \u00e6tlum a\u00f0 kafa \u00ed fl\u00f3kna sm\u00e1atri\u00f0i og afhj\u00fapa \u2018svart e\u00f0a loka\u00f0\" kassapr\u00f3fun<\/strong> gegn hv\u00edt kassa<\/a> pr\u00f3fun<\/strong>\u2018Me\u00f0 \u00fev\u00ed a\u00f0 afhj\u00fapa einstaka ger\u00f0ir, a\u00f0fer\u00f0ir, kosti og galla munum vi\u00f0 sk\u00fdra hva\u00f0a valkostur hentar \u00fe\u00ednum s\u00e9rst\u00f6kum \u00fe\u00f6rfum best. Svo festi\u00f0 \u00f6ryggisbelti\u00f0, \u00fev\u00ed vi\u00f0 leggjum af sta\u00f0 \u00ed \u00feessa uppl\u00fdsandi fer\u00f0.<\/p>\n

Hva\u00f0 er svartkassapr\u00f3fun?
\n<\/h2>\n

\u00c1\u00f0ur en r\u00fdnt er \u00ed muninn \u00e1 milli svarts Sl\u00f3\u00f0apr\u00f3fun<\/strong> og hv\u00edtkassapr\u00f3fun<\/strong>, \u00fea\u00f0 er mikilv\u00e6gt a\u00f0 skilja n\u00e1kv\u00e6mlega hva\u00f0 \u00feau fela \u00ed s\u00e9r. Svo skulum vi\u00f0 hefja me\u00f0 svartaboxapr\u00f3f<\/strong>. \u00cd meginatri\u00f0um, svartaboxapr\u00f3f<\/strong> er a\u00f0fer\u00f0 \u00fear sem \u00fe\u00fa metur kerfi \u00e1n nokkurrar \u00feekkingar \u00e1 \u00fev\u00ed innri starfsemi<\/strong> e\u00f0a uppbyggingu\u2014l\u00edkt og a\u00f0 reyna a\u00f0 \u00e1tta sig \u00e1 \u00fev\u00ed hvernig t\u00f6frabrag\u00f0 virkar \u00e1n \u00feess a\u00f0 hafa a\u00f0gang bak vi\u00f0 tj\u00f6ldin.<\/p>\n

Ger\u00f0ir svartkassapr\u00f3fana
\n<\/h2>\n

Sem hluti af svartkassahl\u00edfinni eru til nokkrar ger\u00f0ir, hver me\u00f0 sinn tiltekna tilgang:<\/p>\n

    \n
  1. Virknipr\u00f3fun<\/strong>: Hanna\u00f0 til a\u00f0 sta\u00f0festa hvort kerfi\u00f0 starfi eins og b\u00faist er vi\u00f0.<\/li>\n
  2. Ekki-Virknipr\u00f3fun<\/strong>: \u00c1hersla ekki svo miki\u00f0 \u00e1 virkni heldur frekar \u00e1 frammist\u00f6\u00f0utengda \u00fe\u00e6tti svo sem Stigst\u00e6r\u00f0<\/a> e\u00f0a notagildi.<\/li>\n
  3. Afturk\u00f6llunarpr\u00f3fun: Framkv\u00e6md eftir breytingar til a\u00f0 tryggja a\u00f0 n\u00faverandi virkni haldist \u00f3skert.<\/li>\n<\/ol>\n

    Hva\u00f0 eru Black Box pr\u00f3funart\u00e6kni?
    \n<\/h2>\n

    A\u00f0 taka enn eitt skref n\u00e6r \u00fev\u00ed a\u00f0 skilja a\u00f0al leitaror\u00f0i\u00f0 okkar \u2013 \u2019svartur kassi\" Algor\u00edtmapr\u00f3fun<\/strong> gegn hv\u00edtkassapr\u00f3fun<\/strong>.\u00dea\u00f0 er nau\u00f0synlegt a\u00f0 kynnast nokkrum algengum sv\u00f6rtubox-pr\u00f3funarh\u00f6nnunart\u00e6kni:<\/p>\n

      \n
    1. Jafngildisskipting<\/li>\n
    2. Randgildagreining
      \n<\/strong><\/li>\n
    3. Pr\u00f3fun bygg\u00f0 \u00e1 \u00e1kv\u00f6r\u00f0unart\u00f6flu<\/li>\n<\/ol>\n

      Hver pr\u00f3fun li\u00f0<\/a> Byggir \u00e1 mismunandi vi\u00f0mi\u00f0um til a\u00f0 \u00fer\u00f3a \u00e1rangursr\u00edk pr\u00f3f, en \u00f6ll mi\u00f0a a\u00f0 \u00fev\u00ed a\u00f0 h\u00e1marka galla-greiningu \u00e1 sama t\u00edma og l\u00e1gmarka nau\u00f0synlegan fyrirh\u00f6fn \u2013 me\u00f0 \u00f6\u00f0rum or\u00f0um a\u00f0 tryggja g\u00e6\u00f0ar\u00fdrni ni\u00f0urst\u00f6\u00f0ur hratt og skilvirkt.<\/p>\n

      D\u00e6mi um svartkassapr\u00f3fun
      \n<\/h2>\n

      \u00cdmyndum okkur a\u00f0 \u00fe\u00fa s\u00e9rt a\u00f0 stj\u00f3rna virknapr\u00f3fun<\/strong> fyrir t\u00f6lvup\u00f3stpallastarfsemi \u201cp\u00f3stsending\u201d. \u00de\u00fa einbeitir \u00fe\u00e9r alfari\u00f0 a\u00f0 inntaki (slegnu skilabo\u00f0um) og \u00fattaki (hvort skilabo\u00f0in hafi veri\u00f0 send), \u00e1n \u00feess a\u00f0 taka tillit til tengdra kerfa e\u00f0a undirliggjandi k\u00f3\u00f0a \u2013 n\u00e1kv\u00e6mlega d\u00e6mi um framkv\u00e6md \u2018svartkassapr\u00f3fs\u2019.<\/p>\n

      Kostir svartkassapr\u00f3funar
      \n<\/h2>\n

      Me\u00f0al \u00fdmissa kosta skar svarti kassinn sig a\u00f0allega fram vegna:<\/p>\n

      \u2022 Einf\u00f6ld innlei\u00f0ing \u00fear sem dj\u00fap t\u00e6knileg \u00feekking er ekki nau\u00f0synleg;
      \n\u2022 Mikil virkni s\u00e9rstaklega \u00ed st\u00f3rum       k\u00f3\u00f0i<\/a> blokkir;
      \n\u2022 Notendur sem raunverulegir matsmenn gera bilaskynjun rauns\u00e6ri.<\/p>\n

      \u00d3kostir svartkassapr\u00f3funar
      \n<\/h2>\n

      Engu a\u00f0 s\u00ed\u00f0ur hefur hver r\u00f3s s\u00ednar \u00feyrnir \u2013 e\u00f0a \u00ed okkar samhengi hefur hver \u2018svartkassapr\u00f3f\u2019 hugsanlega \u00f3kosti, \u00fear \u00e1 me\u00f0al:<\/p>\n

      \u2022 Pr\u00f3funartilvik geta stundum veri\u00f0 \u00f3h\u00f3flega fl\u00f3kin;
      \n\u2022 \u00d3f\u00e6rni til a\u00f0 greina falin mist\u00f6k dj\u00fapt \u00ed upphafsk\u00f3\u00f0anum;
      \n\u2022 \u00d3\u00fearfa endurtekning ef forritarar hafa \u00feegar framkv\u00e6mt svipu\u00f0 pr\u00f3f.<\/p>\n

      A\u00f0 meta b\u00e1\u00f0a hli\u00f0ar \u00fe\u00fd\u00f0ir hagn\u00fdta undirst\u00f6\u00f0u \u00feegar bori\u00f0 er saman \u2018white box vs svartaboxapr\u00f3f<\/strong>\u2018sem er \u00fea\u00f0 sem \u00e9g mun takast \u00e1 vi\u00f0 n\u00e6st!<\/p>\n

      Hva\u00f0 er White Box Testing?
      \n<\/h2>\n

      Hv\u00edta kassapr\u00f3fun<\/strong>, einnig kalla\u00f0 T\u00e6r kassapr\u00f3fun, gler<\/strong> kassa e\u00f0a byggingarpr\u00f3fanir<\/strong>, beinist \u00ed grundvallaratri\u00f0um a\u00f0 innri starfsemi forrits. \u00d3l\u00edkt svartur kassi vs hv\u00edtur<\/strong> Kassapr\u00f3fun, \u00fear sem einungis upplifun endanotanda er tekin til greina, krefst h\u00e1\u00fer\u00f3a\u00f0rar \u00feekkingar \u00e1 K\u00f3\u00f0auppbygging<\/strong> og forritunarl\u00f3g\u00edk til a\u00f0 framkv\u00e6ma hv\u00edtkassapr\u00f3fanir \u00e1 skilvirkan h\u00e1tt.<\/p>\n

      Ger\u00f0ir hv\u00edtra kassa pr\u00f3fana
      \n<\/h2>\n

      Hv\u00edtt kassapr\u00f3fun<\/strong> m\u00e1 skipta \u00ed nokkra undirger\u00f0ir:<\/p>\n

        \n
      1. Einingapr\u00f3fun: H\u00e9r er hver fall e\u00f0a a\u00f0ger\u00f0 \u00ed forriti pr\u00f3fu\u00f0 fyrir sig.<\/li>\n
      2. Sam\u00fe\u00e6ttingapr\u00f3fun<\/strong>\u00deetta varpar lj\u00f3si \u00e1 vandam\u00e1l sem tengjast samskiptum milli mismunandi hugb\u00fana\u00f0arm\u00f3d\u00fala.<\/li>\n
      3. Afturk\u00f6llunarpr\u00f3fun: Einangra breytingar sem ger\u00f0ar hafa veri\u00f0 \u00ed k\u00f3\u00f0agrunninum me\u00f0 \u00fev\u00ed a\u00f0 afmarka sv\u00e6\u00f0i sem hafa \u00e1hrif til endurpr\u00f3funar.<\/li>\n
      4. Kerfissko\u00f0un<\/strong>: Metur heildst\u00e6\u00f0 sam\u00fe\u00e6tt kerfi til a\u00f0 tryggja a\u00f0 \u00feau uppfylli tilgreindar kr\u00f6fur.<\/li>\n<\/ol>\n

        Hva\u00f0 eru White Box pr\u00f3funart\u00e6kni?
        \n<\/h2>\n

        Eftirfarandi white-box-a\u00f0fer\u00f0ir samr\u00e6mast vel \u00fdmsum tegundum af pr\u00f3funarhlutfall<\/strong> pr\u00f3fara og senna:
        \n\u2022 Yfirl\u00fdsinga-\u00feekja: Tryggir a\u00f0 allar yfirl\u00fdsingar hafi veri\u00f0 keyr\u00f0ar a\u00f0 minnsta kosti einu sinni.
        \n\u2022 Greining greina: G\u00e6tir \u00feess a\u00f0 hverri m\u00f6gulegri grein fr\u00e1 r\u00f6kr\u00e6num\/\u00e1kv\u00f6r\u00f0unarsta\u00f0 hafi veri\u00f0 kanna\u00f0.
        \n\u2022 Sl\u00f3\u00f0ar\u00feekja<\/strong>Sta\u00f0festir a\u00f0 allar m\u00f6gulegar framkv\u00e6mdalei\u00f0ir \u00ed gegnum forriti\u00f0 hafi veri\u00f0 pr\u00f3fa\u00f0ar.
        \n\u2022 \u00c1kv\u00f6r\u00f0unarfylgni: Tryggir a\u00f0 hver yfirl\u00fdsing um \u00e1kv\u00f6r\u00f0un innihaldi b\u00e6\u00f0i satt og falskt.<\/p>\n

        \u00deessar a\u00f0fer\u00f0ir eru hanna\u00f0ar \u00fat fr\u00e1 meginreglum sem auka \u00e1rei\u00f0anleika k\u00f3\u00f0a \u00e1 sama t\u00edma og \u00fe\u00e6r leggja \u00e1herslu \u00e1 trausta sannpr\u00f3funarferla.<\/p>\n

        D\u00e6mi um hv\u00edta kassa pr\u00f3fun
        \n<\/h2>\n

        \u00cd daglegum samskiptum \u00fe\u00ednum vi\u00f0 algengar forritanir eins og Google Maps ertu \u00f3me\u00f0vita\u00f0 vitni a\u00f0 aflei\u00f0ingu hv\u00edtkassapr\u00f3fun<\/strong> ferlar. Til d\u00e6mis \u00edmynda \u00fe\u00e9r virkni sem tryggir hra\u00f0ustu siglingarlei\u00f0ir me\u00f0 hli\u00f0sj\u00f3n af raunt\u00edmatr\u00e1ff\u00edka g\u00f6gn<\/a> \u2013 \u00fea\u00f0 er f\u00ednstillt me\u00f0 endurteknum k\u00f3\u00f0agrundv\u00f6ru\u00f0um pr\u00f3funum \u00e1 fj\u00f6lm\u00f6rgum skilyr\u00f0um sem samsvara fj\u00f6lbreyttum vega\u00f0st\u00e6\u00f0um.<\/p>\n

        \"samstarfsf\u00e1ninn\"<\/a><\/p>\n

        Kostir hv\u00edtra kassa pr\u00f3fana
        \n<\/h2>\n

        Me\u00f0 augun f\u00f6st \u00e1 \u00fev\u00ed a\u00f0 greina h\u00e6ttur snemma \u00ed \u00fer\u00f3un og laga sm\u00e1v\u00e6gileg vandam\u00e1l \u00e1\u00f0ur en \u00feau \u00fer\u00f3ast \u00ed v\u00ed\u00f0t\u00e6kari vandam\u00e1l, eru kostir \u00feess:<\/p>\n

        \u2022 Greinir innri galla sem ekki sj\u00e1st vi\u00f0 venjulegar sko\u00f0anir.
        \n\u2022 A\u00f0sto\u00f0ar vi\u00f0 a\u00f0 b\u00e6ta \u00f6ryggi me\u00f0 \u00fev\u00ed a\u00f0 greina veikleika sem eru vi\u00f0kv\u00e6mir fyrir illgjarnri me\u00f0fer\u00f0 (white box hacking).
        \n\u2022 A\u00f0sto\u00f0ar vi\u00f0 d\u00fdpri skilning \u00e1 k\u00f3\u00f0a fr\u00e1 sj\u00f3narh\u00f3li pr\u00f3farans.
        \nA\u00f0 n\u00fdta \u00feessar einst\u00f6ku eiginleika gerir kleift a\u00f0 greina n\u00e1kv\u00e6mar \u00e1 sama t\u00edma og \u00fea\u00f0 stu\u00f0lar verulega a\u00f0         vara<\/a> F\u00ednstillingarmarkmi\u00f0.<\/p>\n

        \u00d3kostir hv\u00edts kassa pr\u00f3funar
        \n<\/h2>\n

        \u00der\u00e1tt fyrir sanna\u00f0a getu til a\u00f0 auka heildarafk\u00f6st kerfisins eru nokkir \u00e1berandi \u00f3kostir sem fylgja \u00feessari n\u00e1lgun:
        \n\u2022 Breytingar geta veri\u00f0 kostna\u00f0arsamar vegna m\u00f6gulegra verulegra ke\u00f0juverkunar\u00e1hrifa sem stafa af samtengdum hlutum fl\u00f3kinna k\u00f3\u00f0unarkerfa.
        \n\u2022 Umfangsmikil t\u00e6knileg \u00feekking krefst n\u00e1ns samstarfs milli forritara og pr\u00f3fara, sem getur leitt til \u2018tunnusj\u00f3nar\u2019 og hugsanlega skert hlutleysi var\u00f0andi h\u00f6nnunarb\u00e6tingar
        \n. \u00c1 me\u00f0an hv\u00edta kassapr\u00f3fun veitir<\/strong> Mikilv\u00e6gar inns\u00fdnir sem a\u00f0rar stefnur hunsa, gildrur eins og \u00fe\u00e6r sem nefndar voru h\u00e9r a\u00f0 ofan krefjast vark\u00e1rrar samningager\u00f0ar \u00ed gegnum innlei\u00f0inguna.<\/p>\n

        \u00c1\u00f0ur en vi\u00f0 kafa \u00ed helstu muninn \u00e1 milli svartar kassa og hv\u00edtkassapr\u00f3fun<\/strong>, skulum vi\u00f0 ey\u00f0a augnabliki e\u00f0a tveimur \u00ed a\u00f0 sko\u00f0a l\u00edkindi \u00feeirra. Eftir allt saman stafa b\u00e1\u00f0ar a\u00f0fer\u00f0irnar fr\u00e1 sama grundvallarmarkmi\u00f0i \u2013 a\u00f0 tryggja g\u00e6\u00f0i hugb\u00fana\u00f0ar<\/a> me\u00f0 kerfisbundinni sko\u00f0un.<\/p>\n

        A\u00f0 vera \u00f3l\u00edkar hli\u00f0ar \u00e1 s\u00f6mu mynt sem heitir forritapr\u00f3fun<\/strong>, \u00feessir atferlismat<\/strong> N\u00e1lganir eiga a\u00f0 minnsta kosti \u00ferj\u00e1 mikilv\u00e6ga sameiginlega eiginleika:<\/p>\n

          \n
        1. Markmi\u00f0: Endanlegur tilgangur beggja svartur kassi vs hv\u00edtur<\/strong> Kassapr\u00f3fun er a\u00f0 greina galla og villur \u00ed kerfinu \u00e1\u00f0ur en \u00fea\u00f0 berst til notenda. \u00deetta sameiginlega markmi\u00f0 undirstrikar mikilv\u00e6gi hvers og eins innan svi\u00f0s hugb\u00fana\u00f0ar\u00fer\u00f3un<\/a>.<\/li>\n
        2. Virkjun: H\u00e6gt er a\u00f0 virkja hverja pr\u00f3funara\u00f0fer\u00f0 til a\u00f0 auka skilvirkni. Til d\u00e6mis m\u00e1 nota verkf\u00e6ri eins og Selenium WebDriver til svartkassapr\u00f3funarvirkjunar me\u00f0 samr\u00e6mdum senar\u00edum. \u00c1 sama h\u00e1tt eru verkf\u00e6ri eins og SonarQube notu\u00f0 til a\u00f0 virkja hv\u00edtkassapr\u00f3fanir.
          \n3. Skilningur \u00e1 kr\u00f6fum: B\u00e1\u00f0ar a\u00f0fer\u00f0ir krefjast yfirgripsmikils skilnings \u00e1 kr\u00f6fum og v\u00e6ntingum v\u00f6runnar. Til a\u00f0 tryggja           g\u00e6\u00f0atrygging<\/a> (G\u00e6\u00f0atrygging<\/a>) ni\u00f0urst\u00f6\u00f0ur sem eru framkv\u00e6manlegar og fr\u00e6\u00f0andi \u2013 hvort sem \u00fe\u00fa ert a\u00f0 gera svart og hv\u00edtkassapr\u00f3fun<\/strong> \u2013 Nau\u00f0synlegt er a\u00f0 hafa \u00edtarlega og framkv\u00e6mdami\u00f0a\u00f0a \u00feekkingu \u00e1 \u00fev\u00ed hva\u00f0 n\u00e1kv\u00e6mlega er krafist til gallalausrar virkni.<\/li>\n<\/ol>\n

          \u00dea\u00f0 er e\u00f0lilegt a\u00f0 velta \u00fev\u00ed fyrir s\u00e9r: ef \u00feau skarast merkingu sinni \u00e1 grundvallarstigi, vi\u00f0halda \u00fe\u00e1 sv\u00f6rtum og hv\u00edtum kassa sk\u00fdrri a\u00f0greiningu? J\u00fa, \u00fea\u00f0 gera \u00feau! Sko\u00f0um n\u00e1nar hva\u00f0 a\u00f0greinir \u00feau n\u00e6st.<\/p>\n

          Kostir og gallar hv\u00edtra kassa pr\u00f3fana
          \n<\/h2>\n

          Sko\u00f0um kosti og galla sem tengjast hv\u00edtu og b\u00e1\u00f0um. svartaboxapr\u00f3f<\/strong> n\u00fa. Mundu, a\u00f0 skilja \u00feessa \u00fe\u00e6tti mun hj\u00e1lpa \u00fe\u00e9r ekki a\u00f0eins a\u00f0 n\u00e1 t\u00f6kum \u00e1 \u201chv\u00edtkassapr\u00f3fun vs svartkassapr\u00f3fun<\/strong>\u201dhugtak en einnig taka uppl\u00fdstari \u00e1kv\u00f6r\u00f0un \u00feegar vali\u00f0 er pr\u00f3funarferli.<\/p>\n

          \u00c1vinningur af White Box pr\u00f3fun
          \n<\/h2>\n

          Hv\u00edtt kassapr\u00f3fun<\/strong> \u00dea\u00f0 b\u00fd\u00f0ur upp \u00e1 nokkra kosti sem gera \u00fea\u00f0 a\u00f0 eftirs\u00f3knarver\u00f0um valkosti fyrir marga forritara og pr\u00f3fara. Skiptum \u00feeim ni\u00f0ur:
          \n1. Dj\u00fapst\u00e6\u00f0 umfj\u00f6llun: Vegna dj\u00faprar e\u00f0lis s\u00edns, hv\u00edtkassapr\u00f3fun<\/strong> B\u00fd\u00f0ur upp \u00e1 v\u00ed\u00f0t\u00e6ka umfj\u00f6llun \u00fear sem allir m\u00f6gulegir ferlar \u00ed kerfinu \u00fe\u00ednu eru vandlega kanna\u00f0ir.
          \n2. S\u00fdnileiki: \u00de\u00fa hefur a\u00f0gang a\u00f0 \u00f6llu sem felst \u00ed kerfinu, sem styrkir skilning \u00feinn \u00e1 innri virkni \u00feess.
          \n3. Bestun: \u00dear sem \u00feessi a\u00f0fer\u00f0 afhj\u00fapar fl\u00f6skuh\u00e1lsa \u00ed kerfinu og \u00f3\u00fearfa k\u00f3\u00f0al\u00ednur, getur\u00f0u au\u00f0veldlega fjarl\u00e6gt e\u00f0a breytt \u00feeim til a\u00f0 b\u00e6ta virkni kerfisins.
          \n4. V\u00f6rn: \u00deessi tegund pr\u00f3fs er s\u00e9rstaklega gagnleg snemma \u00ed \u00fer\u00f3un, til a\u00f0 hefta hugsanlega vankanta \u00e1\u00f0ur en \u00feeir magnast og ver\u00f0a a\u00f0 st\u00e6rri vandam\u00e1lum.<\/p>\n

          \u00d3kostir hv\u00edts kassa pr\u00f3funar
          \n<\/h2>\n

          R\u00e9tt eins og \u00fea\u00f0 eru \u00e1vinningur af hv\u00edtkassapr\u00f3fun<\/strong>, \u00f3kostir eru einnig til sta\u00f0ar.<\/p>\n

            \n
          1. T\u00edmfrekt: \u00dear sem hv\u00edtkassahakkarferlar krefjast \u00edtarlegrar sko\u00f0unar, m\u00e1 b\u00faast vi\u00f0 verulegum t\u00edmafj\u00e1rfestingum.<\/li>\n
          2. Krefst s\u00e9rfr\u00e6\u00f0i\u00feekkingar: \u00f3h\u00e1\u00f0 \u00fev\u00ed hvort um d\u00e6mi s\u00e9 a\u00f0 r\u00e6\u00f0a hv\u00edtkassapr\u00f3fun <\/strong>E\u00f0a vi\u00f0 raunverulega framkv\u00e6md eru h\u00e1\u00fer\u00f3u\u00f0 forritunarh\u00e6fileikar og dj\u00fapur skilningur \u00e1 forritinu sem er til pr\u00f3funar nau\u00f0synleg.<\/li>\n
          3. \u00d3m\u00f6guleg fullkomin \u00feekja: \u00de\u00f3 a\u00f0 h\u00fan tryggi v\u00ed\u00f0t\u00e6ka \u00feekju vegna \u00feess a\u00f0 \u00fe\u00fa sko\u00f0ar alla r\u00f6kr\u00e6na braut \u00ed k\u00f3\u00f0agrunninum \u00fe\u00ednum, er n\u00e1nast \u00f3m\u00f6gulegt a\u00f0 n\u00e1 fullkomnri \u00feekju vegna lykkjusamr\u00e6\u00f0a \u00ed k\u00f3\u00f0anum sem lei\u00f0a til \u00f3endanlegra m\u00f6gulegra brauta.<\/li>\n
          4. D\u00fdrt: Mi\u00f0a\u00f0 vi\u00f0 a\u00f0 \u00fea\u00f0 krefst mj\u00f6g h\u00e6fs starfsf\u00f3lks og lengri t\u00edma g\u00e6ti innlei\u00f0ing \u00feessarar a\u00f0fer\u00f0ar hla\u00f0i\u00f0 verulega upp fj\u00e1rhags\u00e1\u00e6tlun \u00fe\u00edna.<\/li>\n<\/ol>\n

            A\u00f0 taka b\u00e6\u00f0i kosti og galla til greina tryggir jafnv\u00e6gi \u00ed yfirs\u00fdn \u00feegar \u00fe\u00fa velur \u00e1 milli \u2018white glerkassapr\u00f3fun<\/strong> gegn sv\u00f6rtu\u2019 kassapr\u00f3fun<\/strong> a\u00f0fer\u00f0afr\u00e6\u00f0i e\u00f0a jafnvel sameina \u00fe\u00e6tti \u00far b\u00e1\u00f0um n\u00e1lgunum \u00ed samr\u00e6mi vi\u00f0 s\u00e9rsni\u00f0nar \u00fearfir.<\/p>\n

            Kostir og gallar svartkassapr\u00f3funar
            \n<\/h2>\n

            Eins og me\u00f0 allt, svartaboxapr\u00f3f<\/strong> T\u00e6kni kemur me\u00f0 s\u00ednum eigin kostum og g\u00f6llum. Sk\u00fdr skilningur \u00e1 \u00feessum \u00fe\u00e1ttum getur veitt \u00fe\u00e9r vald til a\u00f0 nota hana strateg\u00edskt innan heildst\u00e6\u00f0s pr\u00f3funarumgj\u00f6r\u00f0ar \u00feinnar.<\/p>\n

            \u00c1vinningur af svartkassapr\u00f3fun
            \n<\/h2>\n

            \u00cd fyrsta lagi skulum vi\u00f0 kanna fj\u00f6lmarga kosti sem koma fram \u00feegar vali\u00f0 er svartkassagreiningu \u00e1 hugb\u00fana\u00f0inum \u00fe\u00ednum.<\/p>\n

              \n
            1. Einfaldleiki: Einn helsti kosturinn er s\u00e1 einfaldleiki sem hann b\u00fd\u00f0ur upp \u00e1. \u00dear sem pr\u00f3farar \u00feurfa ekki \u00feekkingu \u00e1 undirliggjandi k\u00f3\u00f0a n\u00e9 kerfisarkitekt\u00far gerir \u00feessi a\u00f0fer\u00f0 jafnvel \u00f3-t\u00e6knilegum hagsmunaa\u00f0ilum kleift a\u00f0 framkv\u00e6ma \u00e1rangursr\u00edk pr\u00f3f hratt.<\/li>\n
            2. Notendami\u00f0u\u00f0 s\u00fdn: A\u00f0 einbl\u00edna eing\u00f6ngu \u00e1 virkni fr\u00e1 sj\u00f3narh\u00f3li notanda eykur vi\u00f0eigandi gildi hennar, \u00fear sem endanotendur eiga venjulega samskipti vi\u00f0 forriti\u00f0 \u00e1 vi\u00f0m\u00f3tstigi.<\/li>\n
            3. Hra\u00f0ari framkv\u00e6md: \u00dear sem enginn t\u00edmi fer \u00ed a\u00f0 skilja k\u00f3\u00f0auppbyggingu, er h\u00e6gt a\u00f0 fl\u00fdta fyrir greiningu og \u00farlausn st\u00f3rfelldra virkni villa \u00e1 fyrstu stigum \u00fer\u00f3unarferlisins.<\/li>\n<\/ol>\n

              N\u00fa, \u00e1 me\u00f0an \u00feessir kostir gera svartaboxapr\u00f3f<\/strong> \u00de\u00f3 a\u00f0 \u00feetta s\u00e9 a\u00f0la\u00f0andi valkostur \u00ed m\u00f6rgum a\u00f0st\u00e6\u00f0um fylgja honum einnig takmarkanir sem \u00fearf a\u00f0 hafa \u00ed huga \u00e1\u00f0ur en hann er ger\u00f0ur undirsta\u00f0a pr\u00f3funarstefnu \u00feinnar.<\/p>\n

              \u00d3kostir svartkassapr\u00f3funar
              \n<\/h2>\n

              H\u00e9r a\u00f0 ne\u00f0an eru dregin fram nokkur \u00e1skoranir sem tengjast innlei\u00f0ingu \u00feessarar a\u00f0fer\u00f0ar:<\/p>\n

                \n
              1. Takm\u00f6rku\u00f0 umfj\u00f6llun: \u00dear sem svartaboxapr\u00f3f<\/strong> Einbeitir s\u00e9r eing\u00f6ngu a\u00f0 notagildi fr\u00e1 sj\u00f3narh\u00f3li notanda \u00e1n \u00feess a\u00f0 sko\u00f0a innri uppbyggingar<\/strong>, hugsanlegir gallar sem falast \u00ed dj\u00fapum l\u00f6gum geta fari\u00f0 framhj\u00e1.<\/li>\n
              2. Endurtekning: \u00cd tilvikum \u00fear sem forritarar hafa lei\u00f0r\u00e9tt fyrri villur en n\u00e1kv\u00e6m e\u00f0li \u00feeirra er enn \u00f3\u00feekkt hj\u00e1 pr\u00f3furum \u2013 skapast endurtekningarh\u00e6tta.<\/li>\n
              3. Innlei\u00f0slublindni: A\u00f0 sko\u00f0a ekki tilteknar k\u00f3\u00f0unarinnlei\u00f0slur getur leitt til \u00feess a\u00f0 mikilv\u00e6gir \u00f6ryggisgallar e\u00f0a frammist\u00f6\u00f0utengdir gallar \u00ed fl\u00f3knum byggingareiningum fari framhj\u00e1.<\/li>\n<\/ol>\n

                A\u00f0 skilja kosti og galla til hl\u00edtar tryggir a\u00f0 \u00fe\u00fa getir n\u00fdtt styrkleika \u00fe\u00edna \u00e1 \u00e1hrifar\u00edkan h\u00e1tt \u00e1 sama t\u00edma og \u00fe\u00fa dregur \u00far veikleikum \u00e1 vi\u00f0eigandi h\u00e1tt; sem gerir \u00fe\u00e9r kleift a\u00f0 falla fullkomlega a\u00f0 pr\u00f3f\u00edlnum \u00fe\u00ednum \u2013 hvort sem um er a\u00f0 r\u00e6\u00f0a white box vs svartaboxapr\u00f3f<\/strong> stefnur e\u00f0a a\u00f0 gr\u00edpa til heilbrig\u00f0rar uppt\u00f6ku ef \u00fe\u00f6rf krefur!<\/p>\n

                Ein spurning sem oft kemur upp \u00e1 svi\u00f0i forritapr\u00f3fun<\/strong> er: \u201cHva\u00f0a pr\u00f3funara\u00f0fer\u00f0<\/strong> er \u00e6\u00f0ri \u2013 hv\u00edt kassi e\u00f0a svartaboxapr\u00f3f<\/strong>?\u201d Til a\u00f0 svara \u00feessu er mikilv\u00e6gt a\u00f0 skilja a\u00f0 hver n\u00e1lgun \u00fej\u00f3ni s\u00e9rst\u00f6ku tilgangi og hafi s\u00edna kosti og galla.<\/p>\n

                Hv\u00edtt kassapr\u00f3fun<\/strong> veitir inns\u00fdn inn \u00ed innri st\u00fdrifl\u00e6\u00f0i<\/strong> pr\u00f3fun kerfa og ferla. \u00dea\u00f0 tryggir n\u00e1kv\u00e6ma stj\u00f3rn \u00fear sem \u00edtarleg sko\u00f0un er nau\u00f0synleg. \u00deetta gerir whitebox-pr\u00f3fun einstaklega gagnlega til a\u00f0 greina falin mist\u00f6k snemma, sem getur spara\u00f0 d\u00fdrm\u00e6tan t\u00edma og au\u00f0lindir s\u00ed\u00f0ar meir.
                \n\u00c1 hinn b\u00f3ginn veita svartkassapr\u00f3fanir v\u00ed\u00f0t\u00e6kari s\u00fdn \u00fear sem \u00fe\u00e6r byggja ekki \u00e1 dj\u00fapst\u00e6\u00f0ri \u00feekkingu \u00e1 innri ferlum kerfisins. \u00d3h\u00e1\u00f0 \u00f6llu forritunar\u00feekking<\/strong>, hver sem er getur framkv\u00e6mt \u00feessar pr\u00f3fanir til a\u00f0 uppg\u00f6tva vandam\u00e1l sem tengjast notendavi\u00f0m\u00f3ti, frammist\u00f6\u00f0u o.s.frv. Mikilv\u00e6gi \u00feessara \u2018utan a\u00f0 koma\u2019 sj\u00f3narhorna Endurtekningapr\u00f3fun<\/strong> (t.d. fr\u00e1 sj\u00f3narh\u00f3li notenda) er ekki h\u00e6gt a\u00f0 ofmeta.<\/p>\n

                Hins vegar v\u00e6ri \u00fea\u00f0 skamms\u00fdnt a\u00f0 l\u00fdsa einum yfir. gagnafl\u00e6\u00f0ispr\u00f3fun<\/strong> a\u00f0fer\u00f0afr\u00e6\u00f0i \u00f3yggjandi betri en hin\u2014svart og hv\u00edtkassapr\u00f3fun<\/strong> \u00deau eru eins og tv\u00e6r hli\u00f0ar \u00e1 s\u00f6mu mynt. Alhli\u00f0a pr\u00f3funarstefna \u00e6tti helst a\u00f0 fela \u00ed s\u00e9r b\u00e1\u00f0ar a\u00f0fer\u00f0irnar svo \u00fe\u00e6r fullkomni hvor a\u00f0ra frekar en a\u00f0 keppi um athygli.
                \nA\u00f0 lokum a\u00f0 \u00e1kve\u00f0a hvort eigi a\u00f0 nota svartur kassi vs hv\u00edtur<\/strong> Kassapr\u00f3fun\u2014e\u00f0a samsetning beggja\u2014treystir mj\u00f6g \u00e1 tilteknar a\u00f0st\u00e6\u00f0ur, svo sem verkefni<\/a> kr\u00f6fur, tilt\u00e6k h\u00e6fni innan team \u00fe\u00edns, \u00fer\u00f3unarferilsstig og \u00e1h\u00e6ttumat sem r\u00edkir \u00ed \u00fe\u00ednu tiltekna samhengi.<\/p>\n

                A\u00f0 lokum er hvorug a\u00f0fer\u00f0in e\u00f0lisl\u00e6gt betri \u00ed heild; \u00ed sta\u00f0inn g\u00e6ti sam\u00fe\u00e6tt notkun \u00feeirra gert team kleift a\u00f0 vinna samverkandi a\u00f0 lei\u00f0r\u00e9tta v\u00edtt svi\u00f0 hugsanlegra hugb\u00fana\u00f0arvilla \u00e1\u00f0ur en \u00fe\u00e6r hafa bein \u00e1hrif \u00e1 notendur.<\/p>\n

                \u00c1lyktun
                \n<\/h2>\n

                \u00cd k\u00f6nnun okkar \u00e1 svartkassapr\u00f3fun gegn hv\u00edtkassapr\u00f3fun<\/strong> Me\u00f0 a\u00f0fer\u00f0inni h\u00f6fum vi\u00f0 komist a\u00f0 \u00fev\u00ed a\u00f0 hver og einn b\u00fdr yfir einst\u00f6kum kostum og s\u00ednum eigin \u00e1skorunum. Skulum rifja upp helstu atri\u00f0in.<\/p>\n

                Svartkassapr\u00f3fanir eru \u00feekktar fyrir a\u00f0 einbl\u00edna \u00e1 virknina \u00e1n nokkurrar \u00feekkingar \u00e1 innri uppbyggingu \u2013 \u00fe\u00e6r eru eins og \u00ferautaleysir sem veit ekki hvernig \u00fe\u00e6ttirnir voru ger\u00f0ir en reynir engu a\u00f0 s\u00ed\u00f0ur a\u00f0 setja \u00fe\u00e1 saman. \u00c1 hinn b\u00f3ginn l\u00edtur hv\u00edtkassa-hakk \u00ed hugb\u00fana\u00f0i e\u00f0a kerfish\u00f6nnun \u00e1 ekkert sem leyndarm\u00e1l \u2013 l\u00edkt og verkfr\u00e6\u00f0ingur sem skilur hvernig hver hluti var b\u00fainn til \u00e1\u00f0ur en hann leysir \u00ferautina.<\/p>\n

                \u00de\u00f3 byrjendur g\u00e6tu fundi\u00f0 svartaboxapr\u00f3f<\/strong> Au\u00f0veldara a\u00f0gengi, mi\u00f0a\u00f0 vi\u00f0 \u00e1herslu \u00e1 notendav\u00e6ni, gerir hv\u00edtkassapr\u00f3fun jafn mikilv\u00e6ga, \u00fear sem hennar f\u00e1ga\u00f0a n\u00e1lgun stu\u00f0lar a\u00f0 n\u00e1kv\u00e6mni vi\u00f0 fl\u00f3kin verkefni. sam\u00feykktapr\u00f3fun<\/strong>.<\/p>\n

                \u00dea\u00f0 sem sker s\u00e9rstaklega \u00ed gegn \u00ed \u00feessari umr\u00e6\u00f0u um svart og hv\u00edtkassapr\u00f3fun<\/strong> er a\u00f0 enginn sk\u00fdr sigurvegari er til. Hver tegund fullkomnar hina og gerir \u00fe\u00e6r a\u00f0 \u00f3missandi hlutum \u00ed heildst\u00e6\u00f0u, pr\u00f3funarferli<\/strong> og stefnu. \u00deannig, \u00feegar velt er fyrir s\u00e9r \u2018hvert er betra \u2013 hv\u00edtt e\u00f0a svartaboxapr\u00f3f<\/strong>?\u2019, \u00fea\u00f0 sn\u00fdst oft um a\u00f0 skilja einst\u00f6k markmi\u00f0 \u00fe\u00edn og kr\u00f6fur.<\/p>\n

                A\u00f0 lokum eykur g\u00f3\u00f0 \u00feekking \u00e1 b\u00e1\u00f0um \u00feessum tegundum f\u00e6rnispennu \u00fe\u00edna og gerir \u00fe\u00e9r kleift a\u00f0 skipta um og a\u00f0laga \u00feig \u00ed samr\u00e6mi vi\u00f0 verkefnisskilm\u00e1la og \u00f3skir vi\u00f0skiptavinarins. H\u00e9r er allt sem \u00fe\u00fa \u00fearft a\u00f0 vita um blackbox-pr\u00f3fun og d\u00e6mi um hana. hv\u00edtkassapr\u00f3fun<\/strong> Fullkomlega pakka\u00f0! Mundu, \u00feetta sn\u00fdst ekki um a\u00f0 velja anna\u00f0 yfir hitt; heldur um a\u00f0 skilja helstu muninn \u00e1 \u00feeim til a\u00f0 n\u00e1 sem bestum \u00e1rangri.<\/p>\n

                A\u00f0 lokum krefst \u00fea\u00f0 a\u00f0 n\u00e1 fram traustum stafr\u00e6num afur\u00f0um st\u00f6\u00f0ugrar n\u00e1ms og \u00feess a\u00f0 tileinka s\u00e9r bestu vinnubr\u00f6g\u00f0 sem eru sni\u00f0in a\u00f0 s\u00e9rst\u00f6kum a\u00f0st\u00e6\u00f0um \u2014 hvort sem um er a\u00f0 r\u00e6\u00f0a a\u00f0 framkv\u00e6ma kennslub\u00f3kar-tutorialspoint-hv\u00edtbor\u00f0s\u00e6fingu e\u00f0a setja s\u00ednar eigin reglur me\u00f0 \u00fev\u00ed a\u00f0 beita skapandi lausnami\u00f0a\u00f0ri hugsun sem byggist \u00e1 hagn\u00fdrri reynslu.<\/p>","protected":false},"excerpt":{"rendered":"

                Ertu ringla\u00f0ur yfir muninum \u00e1 sv\u00f6rtum kassa og hv\u00edtum kassa pr\u00f3funum? Kynntu \u00fe\u00e9r \u00ferj\u00e1 lykilmun og hvernig \u00fe\u00fa getur n\u00fdtt \u00fe\u00e1 \u00ed pr\u00f3funarferlinu \u00fe\u00ednu!<\/p>","protected":false},"author":2,"featured_media":3787,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[8],"tags":[17],"class_list":["post-3786","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software-development","tag-software-engineering-services"],"acf":[],"yoast_head":"\nUncover 3 Differences in Black Box vs White Box Testing - The Codest<\/title>\n<meta name=\"description\" content=\"Are you confused about the differences between black box vs white box testing? Discover 3 key differences and how to use them in your testing process!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/is\/blogg\/finndu-thrja-mun-a-svortum-kassa-og-hvitum-kassa-profunum\/\" \/>\n<meta property=\"og:locale\" content=\"is_IS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uncover 3 Differences in Black Box vs White Box Testing\" \/>\n<meta property=\"og:description\" content=\"Are you confused about the differences between black box vs white box testing? 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