{"id":98,"date":"2025-07-31T13:16:13","date_gmt":"2025-07-31T13:16:13","guid":{"rendered":"https:\/\/watercenter.info\/index.php\/2025\/07\/31\/testes-unitarios-por-que-sao-importantes-e-como-comecar-a-escreve-los\/"},"modified":"2025-07-31T13:16:27","modified_gmt":"2025-07-31T13:16:27","slug":"testes-unitarios-por-que-sao-importantes-e-como-comecar-a-escreve-los","status":"publish","type":"post","link":"https:\/\/watercenter.info\/tr\/testes-unitarios-por-que-sao-importantes-e-como-comecar-a-escreve-los\/","title":{"rendered":"Birim Testleri: Neden \u00d6nemlidirler ve Nas\u0131l Yaz\u0131lmaya Ba\u015flan\u0131r?"},"content":{"rendered":"

\u00dcnite Testleri: Neden \u00d6nemliler ve Yazmaya Nas\u0131l Ba\u015flan\u0131r!<\/strong> S\u00fcper g\u00fcc\u00fcm olsayd\u0131, yazma yetene\u011fi olurdu. birim testleri<\/strong>Ciddi anlamda, bu g\u00fczellikler benim kodum i\u00e7in Kaptan Amerika'n\u0131n kalkan\u0131 gibi: beni tuhaf hatalardan koruyorlar ve mutlu bir programc\u0131 hayat\u0131 ya\u015famama yard\u0131mc\u0131 oluyorlar. Bu yaz\u0131da, bu testlerin neden ger\u00e7ekten i\u015fe yarad\u0131\u011f\u0131n\u0131 anlataca\u011f\u0131m. kahramanlar<\/strong> Kodlama yolculu\u011fumda ve kahve yapmaya gitmenin daha kolay oldu\u011funu d\u00fc\u015f\u00fcnseniz bile, neden siz de bu f\u0131rsatlar\u0131 de\u011ferlendirmelisiniz!<\/p>\n

Programlamada Birim Testlerinin \u00d6nemi<\/h2>\n

Birim testlerini neden g\u00f6rmezden gelemiyorum?<\/h3>\n

Ah, o birim testleri<\/strong>Programlaman\u0131n, benim de dahil olmak \u00fczere \u00e7o\u011fumuzun s\u0131k\u0131c\u0131 bir angarya gibi g\u00f6rmezden geldi\u011fi o k\u0131sm\u0131. Ama inan\u0131n bana, onlar\u0131 bir kenara b\u0131rakamazs\u0131n\u0131z! Test eksikli\u011finden dolay\u0131 kodumun her bozuldu\u011fu sefer i\u00e7in bir dolar\u0131m olsayd\u0131, zengin olurdum... ya da en az\u0131ndan g\u00fczel bir kahve alabilirdim.<\/p>\n

Birim testleri, t\u0131pk\u0131 ti\u015f\u00f6rt\u00fcn\u00fcz\u00fc ters giydi\u011finizde sizi her zaman uyaran o arkada\u015f gibidir. Hatalar\u0131n daha b\u00fcy\u00fck bir sorun haline gelmeden \u00f6nce yakalanmas\u0131na yard\u0131mc\u0131 olurlar. Testleri g\u00f6rmezden gelmek, k\u0131yafetinizin uyumlu olup olmad\u0131\u011f\u0131n\u0131 kontrol etmeden evden \u00e7\u0131kmaya benzer. D\u0131\u015far\u0131dan iyi g\u00f6r\u00fcnebilirsiniz, ama i\u00e7eride tam bir karma\u015fa olabilir!<\/p>\n

Birim Testleri: Kodumun S\u00fcper Kahraman\u0131<\/h3>\n

Hani tam da do\u011fru zamanda ortaya \u00e7\u0131kan s\u00fcper kahramanlar vard\u0131r ya? \u0130\u015fte onlar tam olarak \u00f6yleler. birim testleri<\/strong> Bunu benim kodum i\u00e7in yap\u0131yorlar! Onlar... mant\u0131\u011f\u0131n bek\u00e7ileri<\/strong>...her \u015feyin gerekti\u011fi gibi \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmak. Onlar olmasayd\u0131, kodum hatalarla ve aksakl\u0131klarla dolu ger\u00e7ek bir sava\u015f alan\u0131 olurdu.<\/p>\n\n\n\n\n\n\n\n
Durum<\/th>\nBirim testleri olmadan<\/th>\nBirim Testleriyle<\/th>\n<\/tr>\n<\/thead>\n
Hatalar bulundu.<\/td>\n10<\/td>\n2<\/td>\n<\/tr>\n
Hatalar\u0131 d\u00fczeltmek i\u00e7in harcanan zaman<\/td>\n5 saat<\/td>\n1 saat<\/td>\n<\/tr>\n
Stres<\/td>\nY\u00fcksek<\/td>\nD\u00fc\u015f\u00fck<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

G\u00f6rd\u00fc\u011f\u00fcn\u00fcz gibi, birim testleri<\/strong> Onlar t\u0131pk\u0131 bir g\u00fcvenlik a\u011f\u0131<\/strong>D\u00fc\u015fmeleri \u00f6nlememe yard\u0131mc\u0131 oluyorlar ve ilerlemek i\u00e7in ihtiyac\u0131m olan \u00f6zg\u00fcveni veriyorlar.<\/p>\n

Birim testleri beni sorunlardan nas\u0131l kurtar\u0131yor?<\/h4>\n

Size bir hikaye anlatay\u0131m. Bir zamanlar, m\u00fckemmel g\u00f6r\u00fcnen bir proje \u00fczerinde \u00e7al\u0131\u015f\u0131yordum. Kod harikayd\u0131, ama testlerini yapmam\u0131\u015ft\u0131m. Sonra, teslimat g\u00fcn\u00fcnde her \u015fey alt\u00fcst oldu! Sanki ko\u015fmadan \u00f6nce ayakkab\u0131 ba\u011fc\u0131klar\u0131m\u0131 ba\u011flamay\u0131 unutmu\u015f gibiydim. Sonu\u00e7? B\u00fcy\u00fck bir d\u00fc\u015f\u00fc\u015f!<\/p>\n

O zamandan beri \u015funu \u00f6\u011frendim: A\u015fk<\/strong> Sen birim testleri<\/strong>Onlar, ho\u015f olmayan s\u00fcrprizlere kar\u015f\u0131 bir kalkan gibiler. Onlar sayesinde, her \u015feyin da\u011f\u0131lmas\u0131ndan korkmadan kodda de\u011fi\u015fiklikler yapabiliyorum. Programlaman\u0131n dolamba\u00e7l\u0131 yollar\u0131nda bana yol g\u00f6steren bir GPS'e sahip olmak gibi.<\/p>\n

\n

Birim Testleri Basit Bir \u015eekilde Nas\u0131l Yaz\u0131l\u0131r<\/h2>\n

Birim Testleri Olu\u015fturmak \u0130\u00e7in Ad\u0131m Ad\u0131m K\u0131lavuz<\/h3>\n

Ah, o birim testleri<\/strong>Onlar, evden \u00e7\u0131kmadan \u00f6nce araba kap\u0131s\u0131n\u0131 kilitledi\u011finizden emin olmak i\u00e7in her zaman kontrol eden o arkada\u015f gibiler. Hadi, sizi kodlarla ve kahkahalarla dolu bu yolda y\u00f6nlendireyim!<\/p>\n

    \n
  • Neyi test etmek istedi\u011finizi anlay\u0131n.<\/strong>\u00d6ncelikle bir kalem ve ka\u011f\u0131t (ya da, bilmiyorum, dijital bir ara\u00e7) al\u0131n. Test etmek istedi\u011finiz i\u015flevi yaz\u0131n. Ne i\u015fe yar\u0131yor? Neden var? Bu, bir arkada\u015f\u0131n\u0131za "Ger\u00e7ekten yemek yapmay\u0131 biliyor musun yoksa sadece haz\u0131r noodle m\u0131 yap\u0131yorsun?" diye sormaya benziyor.<\/li>\n<\/ul>\n
      \n
    • Basit bir test yaz\u0131n.<\/strong>\u015eimdi basit bir test olu\u015fturun. \u00d6rne\u011fin, iki say\u0131y\u0131 toplayan bir fonksiyonunuz varsa, testiniz toplam\u0131n do\u011fru oldu\u011funu do\u011frulamal\u0131d\u0131r. Bu, kahvenizin k\u0131\u015f\u0131n bir da\u011fdan daha so\u011fuk olmad\u0131\u011f\u0131ndan emin olmak gibidir.<\/li>\n<\/ul>\n
        \n
      • Testi \u00e7al\u0131\u015ft\u0131r\u0131n.<\/strong>Testinizi \u00e7al\u0131\u015ft\u0131r\u0131n ve ba\u015far\u0131l\u0131 olup olmad\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcn. Ba\u015far\u0131l\u0131 olursa, harika! Ba\u015far\u0131l\u0131 olmazsa, i\u015fe koyulup kodu d\u00fczeltme zaman\u0131 geldi demektir. Bunu, bir yemek yapmaya \u00e7al\u0131\u015f\u0131rken tuzu unuttu\u011funuzu fark etmek gibi d\u00fc\u015f\u00fcn\u00fcn. Ne yapars\u0131n\u0131z? Geri d\u00f6n\u00fcp eklersiniz!<\/li>\n<\/ul>\n
          \n
        • Yeniden d\u00fczenleyin ve tekrar test edin.<\/strong>D\u00fczeltme i\u015fleminden sonra yeni bir test yap\u0131n. Kod yeniden d\u00fczenlemesi, odan\u0131z\u0131 temizlemeye benzer; her \u015feyi d\u00fczenlersiniz ve birdenbire sahip oldu\u011funuzu bile hat\u0131rlamad\u0131\u011f\u0131n\u0131z \u015feyleri bulursunuz.<\/li>\n<\/ul>\n

          \u00dcnite Testleri Yazarken S\u0131k Yapt\u0131\u011f\u0131m Hatalar<\/h3>\n

          Ah, hatalar. T\u0131pk\u0131 partiye her zaman davetsiz gelen arkada\u015f gibi. \u0130\u015fte benim yapt\u0131\u011f\u0131m birka\u00e7 hata:<\/p>\n

            \n
          • A\u015f\u0131r\u0131 test etme<\/strong>Bazen kendimi kapt\u0131r\u0131p kodun rengini bile test ediyorum. Az, \u00e7oktur arkada\u015flar!<\/li>\n<\/ul>\n
              \n
            • A\u015f\u0131r\u0131 durumlar\u0131 g\u00f6z ard\u0131 edin<\/strong>Negatif veya s\u0131f\u0131r de\u011ferleri test etmemek klasik bir hatad\u0131r. T\u0131pk\u0131 kek yap\u0131p kabartma tozu eklemeyi unutmak gibi. Ne olur? Hi\u00e7bir \u015fey kabarmaz!<\/li>\n<\/ul>\n
                \n
              • Testleri temizlemeyi unutmak<\/strong>Eski s\u0131navlar\u0131 geride b\u0131rakmak her \u015feyi alt \u00fcst edebilir. T\u0131pk\u0131 kirli bula\u015f\u0131klar\u0131 lavaboda b\u0131rakmak gibi. Kimse bundan ho\u015flanmaz!<\/li>\n<\/ul>\n

                \u00dcnite Testlerimi Daha Etkili Hale Getiren \u0130pu\u00e7lar\u0131<\/h3>\n

                \u015eimdi, beni ba\u015far\u0131l\u0131 k\u0131lan ipu\u00e7lar\u0131na ge\u00e7elim... birim testleri<\/strong> Geceleyin bir y\u0131ld\u0131z gibi parlamak:<\/p>\n

                  \n
                • Onlar\u0131 basit tutun.<\/strong>Testler anla\u015f\u0131lmas\u0131 kolay olmal\u0131. E\u011fer onlar\u0131 b\u00fcy\u00fckannenize bile a\u00e7\u0131klayam\u0131yorsan\u0131z, bir sorun var demektir!<\/li>\n<\/ul>\n
                    \n
                  • A\u00e7\u0131klay\u0131c\u0131 isimler kullan\u0131n.<\/strong>Testlerinizi, herkesin ne yapt\u0131klar\u0131n\u0131 anlayabilece\u011fi \u015fekilde adland\u0131r\u0131n. `testSumOfTwoNumbers`, `test1`'den \u00e7ok daha a\u00e7\u0131k ve anla\u015f\u0131l\u0131rd\u0131r.<\/li>\n<\/ul>\n
                      \n
                    • S\u0131k s\u0131k ko\u015fun<\/strong>Herhangi bir de\u011fi\u015fiklik yapt\u0131\u011f\u0131n\u0131zda testlerinizi tekrar yap\u0131n. T\u0131pk\u0131 di\u015flerinizi f\u0131r\u00e7alamak gibi: plak birikmesini beklemeyin!<\/li>\n<\/ul>\n

                      Birim Testlerinin Hi\u00e7 Hayal Etmedi\u011fim Faydalar\u0131<\/h2>\n

                      Birim Testleri: Bana Zaman ve Para Kazand\u0131r\u0131yor<\/h3>\n

                      Programlamaya ba\u015flad\u0131\u011f\u0131mda \u015f\u00f6yle d\u00fc\u015f\u00fcn\u00fcyordum... birim testleri<\/strong> Bunlar, ya\u015fl\u0131 programc\u0131lar\u0131n zeki g\u00f6r\u00fcnmek i\u00e7in s\u00f6yledi\u011fi \u015feylerden sadece birka\u00e7\u0131yd\u0131. Ama ne kadar yan\u0131lm\u0131\u015f\u0131m! Ger\u00e7ek \u015fu ki, bu testler partiye her zaman pizza getiren arkada\u015f gibidir: ilk ba\u015fta gereksiz g\u00f6r\u00fcnebilirler, ama orada olduklar\u0131 i\u00e7in minnettar olacaks\u0131n\u0131z!<\/p>\n

                      \u0130le birlikte birim testleri<\/strong>Sonu\u00e7 olarak para biriktirdim. zaman<\/strong> Ve para<\/strong>\u015e\u00f6yle bir d\u00fc\u015f\u00fcn\u00fcn: Eskiden saatlerce gizem filmlerindeki dedektifler gibi hatalar\u0131 arard\u0131m. \u015eimdi ise test etme sayesinde, sorunlar kabusa d\u00f6n\u00fc\u015fmeden \u00f6nce bile tespit edebiliyorum. Ya\u011fmurlu bir g\u00fcnde \u015femsiyeye sahip olmak gibi; \u015femsiyesiz bile evden \u00e7\u0131kabilirsiniz, ama sonradan pi\u015fman olursunuz!<\/p>\n\n\n\n\n\n\n
                      Birim Testinin Faydalar\u0131<\/th>\nTan\u0131m<\/th>\n<\/tr>\n<\/thead>\n
                      Zaman Tasarrufu<\/td>\nHatalar\u0131 h\u0131zl\u0131ca ke\u015ffedin<\/td>\n<\/tr>\n
                      Para Tasarrufu<\/td>\nBak\u0131m maliyetlerini azalt\u0131n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      Birim Testleri Kullanarak Kodumun Kalitesini Art\u0131rma<\/h3>\n

                      D\u00fcr\u00fcst olal\u0131m: Ba\u015flang\u0131\u00e7ta kodum, meyvesiz bir meyve salatas\u0131 gibiydi. birim testleri<\/strong>Yazma kalitemi \u00f6nemli \u00f6l\u00e7\u00fcde geli\u015ftirmeyi ba\u015fard\u0131m. Daha temiz ve d\u00fczenli kod yazmama yard\u0131mc\u0131 oluyorlar. Sanki kodum i\u00e7in ki\u015fisel bir antren\u00f6r\u00fcm varm\u0131\u015f gibi, beni en iyisini yapmaya te\u015fvik ediyor!<\/p>\n

                      Sen birim testleri<\/strong> Yeni bir \u00f6zellik eklemeden \u00f6nce iki kez d\u00fc\u015f\u00fcnmemi sa\u011fl\u0131yorlar. Kendime, "Bu, zaten \u00e7al\u0131\u015fan bir \u015feyi bozacak m\u0131?" diye soruyorum. Bu d\u00fc\u015f\u00fcnme s\u00fcreci, araba kullanmadan \u00f6nce emniyet kemeri takmaya benziyor: Her zaman ihtiyac\u0131n\u0131z olmayabilir, ama tedbirli olmak her zaman daha iyidir!<\/p>\n

                      \u00dcnite Testleri \u00d6zg\u00fcvenimi Nas\u0131l Art\u0131r\u0131yor?<\/h3>\n

                      Ah, \u00f6zg\u00fcven! \u00d6zellikle programlama yaparken hepimizin \u00f6zledi\u011fi bir \u015fey. Kullanmaya ba\u015flamadan \u00f6nce... birim testleri<\/strong>Eskiden kendimi su alan bir teknede yolculuk yap\u0131yormu\u015f gibi hissederdim. \u015eimdi ise onlarla birlikte l\u00fcks bir yat\u0131m varm\u0131\u015f gibi hissediyorum!<\/p>\n

                      Sen birim testleri<\/strong> Bana bir g\u00fcvenlik hissi veriyorlar. Kodda bir de\u011fi\u015fiklik yapt\u0131\u011f\u0131mda, testleri \u00e7al\u0131\u015ft\u0131r\u0131p her \u015feyin hala \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 g\u00f6rebiliyorum. Sanki bir s\u00fcper g\u00fcce sahip olmak gibi: D\u00fcnyan\u0131n y\u0131k\u0131lmas\u0131ndan korkmadan de\u011fi\u015fiklikler yapabiliyorum. Ve inan\u0131n bana, bu verimlili\u011fimde \u00e7ok b\u00fcy\u00fck bir fark yarat\u0131yor!<\/p>\n

                      Kulland\u0131\u011f\u0131m Birim Test Ara\u00e7lar\u0131<\/h2>\n

                      2023 Y\u0131l\u0131nda Birim Testi \u0130\u00e7in En \u0130yi Ara\u00e7lar<\/h3>\n

                      Programlamaya ba\u015flad\u0131\u011f\u0131mda \u015f\u00f6yle d\u00fc\u015f\u00fcn\u00fcyordum: birim testleri<\/strong> Programc\u0131lar i\u00e7in adeta bir i\u015fkence bi\u00e7imiydiler. Ancak, bozuk kodlar ve memnuniyetsiz m\u00fc\u015fterilerle ya\u015fad\u0131\u011f\u0131m baz\u0131 deneyimlerden sonra, bu ara\u00e7lar\u0131n k\u0131l\u0131k de\u011fi\u015ftirmi\u015f bir s\u00fcper kahraman gibi oldu\u011funu fark ettim: ihtiya\u00e7 duydu\u011funuzda her zaman oradalar, ancak \u00e7o\u011fu zaman g\u00f6z ard\u0131 ediliyorlar. \u0130\u015fte bunlardan baz\u0131lar\u0131... favori ara\u00e7lar<\/strong> ile birim testleri<\/strong> 2023'te:<\/p>\n\n\n\n\n\n\n\n\n
                      Alet<\/th>\nTan\u0131m<\/th>\nAvantajlar\u0131<\/th>\n<\/tr>\n<\/thead>\n
                      JUnit<\/strong><\/td>\nJava'y\u0131 sevenler i\u00e7in. Test etmenin olmazsa olmaz\u0131 gibi.<\/td>\nBasit ve yayg\u0131n olarak kullan\u0131lan.<\/td>\n<\/tr>\n
                      pytest<\/strong><\/td>\nPython i\u00e7in bu, t\u0131pk\u0131 g\u00fc\u00e7l\u00fc bir kahve gibidir: kodunuzu uyand\u0131r\u0131r!<\/td>\nEsnek ve kullan\u0131m\u0131 kolay.<\/td>\n<\/tr>\n
                      Mocha<\/strong><\/td>\nJavaScript i\u00e7in durum t\u0131pk\u0131 iyi bir film gibi: kullanmay\u0131 b\u0131rakam\u0131yorsunuz.<\/td>\nAsenkron test deste\u011fi.<\/td>\n<\/tr>\n
                      Sadece<\/strong><\/td>\nJavaScript i\u00e7in de durum t\u0131pk\u0131 bir arkada\u015f\u0131n pizza getirmesi gibi: her zaman faydal\u0131!<\/td>\nH\u0131zl\u0131 ve React i\u00e7in harika.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      Birim Test Ara\u00e7lar\u0131n\u0131 Kar\u015f\u0131la\u015ft\u0131rma: En \u0130yisi Hangisi?<\/h3>\n

                      \u015eimdi, bu ara\u00e7lardan hangisinin daha iyi oldu\u011funu merak ediyorsan\u0131z... daha iyi<\/strong>Cevab\u0131m \u015fu: Duruma ba\u011fl\u0131! Pizza ve hamburger aras\u0131nda se\u00e7im yapmak gibi. Her birinin kendine \u00f6zg\u00fc bir cazibesi var. \u0130\u015fte dikkate ald\u0131\u011f\u0131m baz\u0131 noktalar:<\/p>\n

                        \n
                      • Kullan\u0131m kolayl\u0131\u011f\u0131<\/strong>Yeni ba\u015flayan biriyseniz, JUnit veya pytest gibi basit bir \u015feyle ba\u015flay\u0131n.<\/li>\n<\/ul>\n
                          \n
                        • Toplum<\/strong>B\u00fcy\u00fck bir topluluk daha fazla destek demektir. JUnit ve Jest'in \u00e7ok b\u00fcy\u00fck topluluklar\u0131 var!<\/li>\n<\/ul>\n
                            \n
                          • Kaynaklar<\/strong>Baz\u0131 ara\u00e7lar, g\u00fczel raporlar ve CI\/CD entegrasyonu gibi ek \u00f6zelliklere sahiptir.<\/li>\n<\/ul>\n

                            Kendime En Uygun Birim Test Arac\u0131n\u0131 Nas\u0131l Se\u00e7erim?<\/h3>\n

                            Do\u011fru aleti se\u00e7mek, bir \u00e7ift ayakkab\u0131 se\u00e7mek gibidir: iyi oturan ve daha sonra \u00e7\u0131karmak istemeyece\u011finiz bir \u015feye ihtiyac\u0131n\u0131z var. \u0130\u015fte benim uygulad\u0131\u011f\u0131m baz\u0131 ipu\u00e7lar\u0131:<\/p>\n

                              \n
                            • Dili g\u00f6z \u00f6n\u00fcnde bulundurun.<\/strong>Kulland\u0131\u011f\u0131n\u0131z programlama diliyle uyumlu \u00e7al\u0131\u015fan ara\u00e7lar\u0131 kullan\u0131n.<\/li>\n<\/ul>\n
                                \n
                              • Sat\u0131n almadan \u00f6nce deneyin<\/strong>Bir\u00e7ok arac\u0131n \u00fccretsiz s\u00fcr\u00fcmleri mevcuttur. Kullanmaya karar vermeden \u00f6nce deneyin!<\/li>\n<\/ul>\n
                                  \n
                                • G\u00f6r\u00fc\u015f \u0130steyin<\/strong>Di\u011fer programc\u0131larla konu\u015fun. Belki de akl\u0131n\u0131za gelmemi\u015f ipu\u00e7lar\u0131 vard\u0131r.<\/li>\n<\/ul>\n

                                  Birim Testi \u0130\u00e7in En \u0130yi Uygulamalar<\/h2>\n

                                  \u00dcnite Testlerimi Yap\u0131land\u0131rma Hakk\u0131nda \u00d6\u011frendiklerim<\/h3>\n

                                  Programlamaya ba\u015flad\u0131\u011f\u0131mda \u015f\u00f6yle d\u00fc\u015f\u00fcn\u00fcyordum: birim testleri<\/strong> Bunlar sadece ciddi programc\u0131lar\u0131n yapt\u0131\u011f\u0131 \u015feylerdi. Ama kodumun neden eski bir arabadan daha bozuk oldu\u011funu anlamaya \u00e7al\u0131\u015farak ge\u00e7irdi\u011fim birka\u00e7 uykusuz gecenin ard\u0131ndan, bu testlerin kodum i\u00e7in bir t\u00fcr sigorta oldu\u011funu fark ettim. Parlak (ya da o kadar da parlak olmayan) de\u011fi\u015fiklikler yapmaya karar verdi\u011fimde bile her \u015feyin olmas\u0131 gerekti\u011fi gibi \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmam\u0131 sa\u011fl\u0131yorlar.<\/p>\n

                                  \u0130\u015fte i\u015fimi yap\u0131land\u0131rmak i\u00e7in \u00f6\u011frendi\u011fim baz\u0131 ipu\u00e7lar\u0131. birim testleri<\/strong>:<\/p>\n

                                    \n
                                  • Spesifik olun.<\/strong>Bir seferde sadece bir \u015fey deneyin. Her \u015feyi ayn\u0131 anda denemeye \u00e7al\u0131\u015fmay\u0131n, t\u0131pk\u0131 b\u00fct\u00fcn bir pastay\u0131 tek lokmada yemeye \u00e7al\u0131\u015fmak gibi.<\/li>\n<\/ul>\n
                                      \n
                                    • A\u00e7\u0131k ve net isimler verin.<\/strong>Bir test i\u00e7in iyi bir isim, iyi bir kitap ba\u015fl\u0131\u011f\u0131 gibidir. Her \u015feyi anlatmal\u0131, ancak spoiler vermemeli. "Ge\u00e7ersiz Giri\u015fte Hata D\u00f6nd\u00fcrmeli" gibi bir \u015fey, "Test1"den \u00e7ok daha kullan\u0131\u015fl\u0131d\u0131r.<\/li>\n<\/ul>\n
                                        \n
                                      • Organize olun<\/strong>Dosyalar\u0131n\u0131z\u0131 d\u00fczenli tutmak i\u00e7in klas\u00f6rler ve dosyalar kullan\u0131n. birim testleri<\/strong> D\u00fczenli. Bunu odan\u0131z\u0131 toplamak gibi d\u00fc\u015f\u00fcn\u00fcn. Kimse kirli \u00e7ama\u015f\u0131r y\u0131\u011f\u0131n\u0131 aras\u0131nda kay\u0131p bir \u00e7orab\u0131 aramaktan ho\u015flanmaz.<\/li>\n<\/ul>\n

                                        Birim Testi ve \u00c7evik Geli\u015ftirme: M\u00fckemmel Bir Kombinasyon<\/h3>\n

                                        Hakk\u0131nda konu\u015ftu\u011fumuzda \u00e7evik geli\u015ftirme<\/strong>ile olan kombinasyon birim testleri<\/strong> T\u0131pk\u0131 ekmek ve tereya\u011f\u0131 gibi, birbirlerini tamaml\u0131yorlar! \u00c7evik geli\u015ftirme h\u0131zl\u0131 teslimata odaklan\u0131rken, test etme ise teslim etti\u011finiz \u015feyin kullan\u0131c\u0131y\u0131 hayal k\u0131r\u0131kl\u0131\u011f\u0131na u\u011fratmayaca\u011f\u0131ndan emin olman\u0131z\u0131 sa\u011flar.<\/p>\n

                                        Bir keresinde bir projede h\u0131zl\u0131 bir de\u011fi\u015fiklik yapm\u0131\u015ft\u0131m. O kadar heyecanl\u0131yd\u0131m ki test etmeyi unuttum. Sonu\u00e7? Uygulama bozuldu ve t\u00fcm \u00f6\u011fleden sonray\u0131 ne oldu\u011funu anlamaya \u00e7al\u0131\u015farak ge\u00e7irdim. E\u011fer test etseydim... birim testleri<\/strong>Bu ba\u015f a\u011fr\u0131s\u0131ndan ka\u00e7\u0131nabilirdik.<\/p>\n

                                        \u00dcnite Testlerimi D\u00fczenli ve Etkili Tutmak<\/h3>\n

                                        Benimkini sakla birim testleri<\/strong> E\u015fyalar\u0131 d\u00fczenli tutmak, buzdolab\u0131n\u0131 temiz tutmaya benzer. D\u00fczenli tutmazsan\u0131z, her \u015fey kokar ve ihtiyac\u0131n\u0131z olan\u0131 asla bulamazs\u0131n\u0131z. \u0130\u015fte benimkini d\u00fczenli tutmak i\u00e7in baz\u0131 ipu\u00e7lar\u0131. birim testleri<\/strong> s\u0131rayla:<\/p>\n\n\n\n\n\n\n\n
                                        U\u00e7<\/th>\nTan\u0131m<\/th>\n<\/tr>\n<\/thead>\n
                                        Fonksiyona g\u00f6re grupland\u0131r<\/strong><\/td>\nAyn\u0131 i\u015flevi birlikte do\u011frulayan testleri grupland\u0131r\u0131n. Bu, testlerin bulunmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r.<\/td>\n<\/tr>\n
                                        Yorumlar\u0131 kullan\u0131n<\/strong><\/td>\nBazen, bir s\u0131nav\u0131n neden \u00f6nemli oldu\u011funu hat\u0131rlatmak faydal\u0131 olabilir.<\/td>\n<\/tr>\n
                                        D\u00fczenli olarak g\u00f6zden ge\u00e7irin<\/strong><\/td>\nTestler zamanla g\u00fcncelli\u011fini kaybedebilir. Onlar\u0131 t\u0131pk\u0131 m\u00fczik listenizi g\u00f6zden ge\u00e7irdi\u011finiz gibi g\u00f6zden ge\u00e7irin.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        Her \u015feyi d\u00fczenli tutmak, sadece i\u015fleri y\u00fcr\u00fct\u00fcrken de\u011fil, ayn\u0131 zamanda \u00e7ok daha fazlas\u0131n\u0131 sa\u011flar. birim testleri<\/strong>Ama ayn\u0131 zamanda, kod sava\u015f halindeymi\u015f gibi g\u00f6r\u00fcnse bile, kontrol\u00fcn bende oldu\u011fu hissini de veriyor.<\/p>\n

                                        Bana \u0130lham Veren Birim Testlerine \u00d6rnekler<\/h2>\n

                                        \u00dcnl\u00fc \u00dcnite Testleri: Onlardan Ne \u00d6\u011frenebilirim?<\/h3>\n

                                        Ah, o birim testleri<\/strong>Onlar, evden \u00e7\u0131kmadan \u00f6nce fermuar\u0131n\u0131z\u0131n kapal\u0131 olup olmad\u0131\u011f\u0131n\u0131 kontrol etmenizi s\u00fcrekli hat\u0131rlatan o arkada\u015f gibiler. Ben de baz\u0131 utan\u00e7 verici durumlar ya\u015fad\u0131m, kim ya\u015famad\u0131 ki, de\u011fil mi? Ama testlere geri d\u00f6nersek, baz\u0131 \u00fcnl\u00fc \u00f6rneklerden \u00e7ok \u015fey \u00f6\u011frendim.<\/p>\n

                                        Bana ilham veren bir \u00f6rnek \u015fu... JUnit<\/strong>Bu, Java d\u00fcnyas\u0131nda kullan\u0131lan bir y\u00f6ntem. Bana, kodun her k\u00fc\u00e7\u00fck par\u00e7as\u0131n\u0131 test etmenin, program \u00fcretime ge\u00e7ti\u011finde ger\u00e7ek bir felaketi \u00f6nleyebilece\u011fini g\u00f6sterdi. Fikir basit: K\u00fc\u00e7\u00fck bir kod par\u00e7as\u0131 ba\u015far\u0131s\u0131z olursa, b\u00fcy\u00fck bir soruna yol a\u00e7madan \u00f6nce onu d\u00fczeltebilirim. Bu, t\u00fcm evi su basmadan \u00f6nce bir s\u0131z\u0131nt\u0131y\u0131 onarmaya benziyor!<\/p>\n\n\n\n\n\n\n\n
                                        \u00dcnl\u00fc Test<\/th>\nDil<\/th>\n\u00d6\u011frendiklerim<\/th>\n<\/tr>\n<\/thead>\n
                                        JUnit<\/td>\nCava<\/td>\nTest yapt\u0131rmak, \u00f6nlem almakt\u0131r.<\/td>\n<\/tr>\n
                                        NUnit<\/td>\nC#<\/td>\nTestlerin yap\u0131land\u0131r\u0131lmas\u0131 hayati \u00f6nem ta\u015f\u0131r.<\/td>\n<\/tr>\n
                                        pytest<\/td>\nPython<\/td>\nBasit testler \u00e7ok etkilidir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        Kendi Birim Test \u00d6rneklerimi Olu\u015fturma<\/h3>\n

                                        Yazmaya ba\u015flad\u0131\u011f\u0131mda birim testleri<\/strong>Banyo g\u00fcn\u00fcndeki bir kedi kadar \u015fa\u015fk\u0131nd\u0131m. Ama zamanla, daha iyi anlamama yard\u0131mc\u0131 olan baz\u0131 \u00f6rnekler buldum. Bunlardan biri, iki say\u0131y\u0131 toplayan bir fonksiyon i\u00e7in bir testti.<\/p>\n

                                        piton
                                        \ndef add(a, b):
                                        \n geri d\u00f6n ab<\/p>\n

                                        def test_somar():
                                        \n assert somar(2, 3) == 5
                                        \n assert somar(-1, 1) == 0
                                        \n assert somar(0, 0) == 0<\/p>\n

                                        Ne kadar basit! Bu test bana g\u00f6sterdi ki, en temel i\u015flevlerde bile her \u015feyin d\u00fczg\u00fcn \u00e7al\u0131\u015ft\u0131\u011f\u0131ndan emin olmak \u00f6nemlidir. Ve her \u015feyin d\u00fczg\u00fcn \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 g\u00f6rmek... birim testleri<\/strong> S\u0131nav\u0131 ge\u00e7mek neredeyse piyangoyu kazanmak gibi!<\/p>\n

                                        Programc\u0131 Olarak Hayat\u0131mda Birim Testlerinin \u00d6nemi<\/h3>\n

                                        Sen birim testleri<\/strong> Onlar benim i\u00e7in bir g\u00fcvenlik a\u011f\u0131 gibi. Kodda bir de\u011fi\u015fiklik yapsam bile her \u015feyi \u00e7\u00f6pe atmad\u0131\u011f\u0131m\u0131 hissetmeme yard\u0131mc\u0131 oluyorlar. Bir keresinde bir de\u011fi\u015fiklik yapm\u0131\u015ft\u0131m ve test etmeden yapt\u0131\u011f\u0131m bir hata y\u00fcz\u00fcnden saatlerce s\u00fcren \u00e7al\u0131\u015fmam\u0131 kaybetmi\u015ftim. O zamandan beri test etmeyi asla b\u0131rakm\u0131yorum.<\/p>\n

                                        \u00d6zetle, birim testleri<\/strong> Ho\u015f olmayan s\u00fcrprizlerden ka\u00e7\u0131nmak isteyen her programc\u0131 i\u00e7in \u00e7ok \u00f6nemlidirler. Kodum \u00fczerinde sakin ve kendinden emin kalmama yard\u0131mc\u0131 oluyorlar ve inan\u0131n bana, odaklanmay\u0131 s\u00fcrd\u00fcrmek i\u00e7in bu, herhangi bir g\u00fc\u00e7l\u00fc kahveden daha de\u011ferli!<\/p>","protected":false},"excerpt":{"rendered":"

                                        Birim Testlerinin Neden \u00d6nemli Oldu\u011funu ve Nas\u0131l Yaz\u0131lmaya Ba\u015flanaca\u011f\u0131n\u0131 \u00f6\u011frenin, kodunuzu nas\u0131l geli\u015ftirebilir ve geli\u015ftiricilerin hayat\u0131n\u0131 nas\u0131l kolayla\u015ft\u0131rabilir.<\/p>","protected":false},"author":1,"featured_media":100,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-98","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ferramentas-e-tecnologias"],"yoast_head":"\nTestes Unit\u00e1rios: Por Que S\u00e3o Importantes e Como Come\u00e7ar a 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