\uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub294 \uc790\ubc14(Java) \uae30\ubc18\uc758 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\ub294 \ub370 \ub9e4\uc6b0 \uc778\uae30 \uc788\ub294 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. \uadf8 \uc911\uc5d0\uc11c\ub3c4 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc740 \uc11c\ubc84 \uce21\uc5d0\uc11c \ub370\uc774\ud130 \ucc98\ub9ac \ubc0f \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uad6c\ud604\ud558\ub294 \uc911\uc694\ud55c \ubd80\ubd84\uc785\ub2c8\ub2e4. \uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc758 \ud575\uc2ec \uc694\uc18c \uc911 \ud558\ub098\uc778 \ud14c\uc2a4\ud2b8 \ucf54\ub4dc<\/strong>\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub294 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ud2b9\uc815 \ubd80\ubd84\uc774 \uc608\uc0c1\ud55c \ub300\ub85c \ub3d9\uc791\ud558\ub294\uc9c0 \uac80\uc99d\ud558\uae30 \uc704\ud574 \uc791\uc131\ud558\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4. \ud14c\uc2a4\ud2b8\ub294 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uac1c\ubc1c \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c \ud544\uc218\uc801\uc778 \ub2e8\uacc4\uc774\uba70, \uc720\uc9c0\ubcf4\uc218, \uc131\ub2a5 \uac1c\uc120, \ud488\uc9c8 \ud5a5\uc0c1\uc5d0 \uae30\uc5ec\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubc84\uadf8\ub97c \uc870\uae30\uc5d0 \ubc1c\uacac\ud558\uace0, \ucf54\ub4dc \ubcc0\uacbd\uc5d0 \ub530\ub978 \ub9ac\uadf8\ub808\uc158 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \ub2e4\uc591\ud55c \ud14c\uc2a4\ud2b8 \uc9c0\uc6d0 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc5ec \uac1c\ubc1c\uc790\ub4e4\uc774 \uc27d\uac8c \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uac8c \ub3d5\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \ud14c\uc2a4\ud2b8 \ud504\ub808\uc784\uc6cc\ud06c\ub294 JUnit<\/strong>\uc640 Mockito<\/strong>\uc785\ub2c8\ub2e4.<\/p>\n JUnit\uc740 \uc790\ubc14 \uc5b8\uc5b4\ub85c \uc791\uc131\ub41c \ub2e8\uc704 \ud14c\uc2a4\ud2b8 \ud504\ub808\uc784\uc6cc\ud06c\uc785\ub2c8\ub2e4. JUnit\uc744 \uc0ac\uc6a9\ud558\uba74 \uba54\uc11c\ub4dc \ub2e8\uc704\ub85c \ud14c\uc2a4\ud2b8\ub97c \uc791\uc131\ud558\uace0, \uc774\ub97c \uc2e4\ud589\ud558\uc5ec \ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \ud14c\uc2a4\ud2b8 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n Mockito\ub294 \uc790\ubc14 \uac1d\uccb4\ub97c \ubaa8\uc758(mock)\ud558\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \uac1d\uccb4 \uac04\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \ud14c\uc2a4\ud2b8\ud560 \ub54c \ub9ce\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Mockito\ub97c \ud65c\uc6a9\ud558\uba74 \uc2e4\uc81c \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uc9c0 \uc54a\uace0\ub3c4 \ud574\ub2f9 \uac1d\uccb4\uc758 \ub3d9\uc791\uc744 \uac00\uc815\ud558\uc5ec \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \uc720\ud615\uc758 \ud14c\uc2a4\ud2b8\ub97c \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ud06c\uac8c \ub2e8\uc704 \ud14c\uc2a4\ud2b8(Unit Test)<\/strong>, \ud1b5\ud569 \ud14c\uc2a4\ud2b8(Integration Test)<\/strong>, \uc5d4\ub4dc \ud22c \uc5d4\ub4dc \ud14c\uc2a4\ud2b8(End-to-End Test)<\/strong>\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub294 \uac00\uc7a5 \uc791\uc740 \ucf54\ub4dc \uc870\uac01, \uc989 \uba54\uc11c\ub4dc\ub098 \ud074\ub798\uc2a4\uc758 \uae30\ub2a5\uc744 \ub3c5\ub9bd\uc801\uc73c\ub85c \uac80\uc99d\ud558\ub294 \ud14c\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \ub2e8\uc704 \ud14c\uc2a4\ud2b8\ub294 \ub2e4\ub978 \ucf54\ub4dc\uc758 \uc601\ud5a5 \uc5c6\uc774 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc2e4\ud589\ub418\uae30 \ub54c\ubb38\uc5d0, \uc791\uc131\uc774 \ube44\uad50\uc801 \uc26c\uc6b0\uba70, \ube60\ub974\uace0 \uc815\ud655\ud558\uac8c \ud53c\ub4dc\ubc31\uc744 \ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub294 \uc5ec\ub7ec \uac1c\uc758 \ubaa8\ub4c8\uc774\ub098 \ud074\ub798\uc2a4\uac00 \ud568\uaed8 \uc791\ub3d9\ud558\ub294 \ubc29\uc2dd\uc744 \uac80\uc99d\ud558\ub294 \ud14c\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \uc774 \ud14c\uc2a4\ud2b8\ub294 \uc2dc\uc2a4\ud15c\uc758 \ub2e4\ub978 \ubd80\ubd84\uc774 \uc62c\ubc14\ub974\uac8c \uc0c1\ud638\uc791\uc6a9\ud558\ub294\uc9c0\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4.<\/p>\n \uc5d4\ub4dc \ud22c \uc5d4\ub4dc \ud14c\uc2a4\ud2b8\ub294 \uc0ac\uc6a9\uc790 \uad00\uc810\uc5d0\uc11c \uc2dc\uc2a4\ud15c\uc758 \uc804\uccb4 \ud750\ub984\uc744 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\uc6a9\uc790 \uc2dc\ub098\ub9ac\uc624\ub97c \uae30\ubc18\uc73c\ub85c\ud558\uc5ec, \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc774 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0\ub97c \uac80\uc99d\ud569\ub2c8\ub2e4. \uc8fc\ub85c UI \ud14c\uc2a4\ud2b8 \ubc0f API \ud14c\uc2a4\ud2b8\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\ub294 \ud14c\uc2a4\ud2b8\ub97c \uc791\uc131\ud558\uae30 \uc704\ud574 \uba87 \uac00\uc9c0 \uad6c\uc131 \uc694\uc18c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ud14c\uc2a4\ud2b8 \ud074\ub798\uc2a4\uc758 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\ub294 \uc5ec\ub7ec \ud14c\uc2a4\ud2b8 \uad00\ub828 \uc560\ub108\ud14c\uc774\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc560\ub108\ud14c\uc774\uc158 \uba87 \uac00\uc9c0\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub97c \uc791\uc131\ud558\ub294 \ub370\ub294 \uba87 \uac00\uc9c0 \uc77c\ubc18\uc801\uc778 \uc6d0\uce59\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n \ub2e4\uc74c\uc740 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\uc758 \ub2e8\uc704 \ud14c\uc2a4\ud2b8 \uc608\uc2dc\uc785\ub2c8\ub2e4. \uac04\ub2e8\ud55c \uacc4\uc0b0\uae30 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub367\uc148 \uba54\uc11c\ub4dc\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c \uc791\uc131\ub41c \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub294 IDE\ub098 \uba85\ub839\uc5b4\ub97c \ud1b5\ud574 \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. IntelliJ IDEA \ubc0f Eclipse\uc640 \uac19\uc740 IDE\uc5d0\uc11c\ub294 \ud14c\uc2a4\ud2b8 \ud074\ub798\uc2a4\ub098 \uba54\uc11c\ub4dc\ub97c \ub9c8\uc6b0\uc2a4 \uc624\ub978\ucabd \ubc84\ud2bc\uc73c\ub85c \ud074\ub9ad\ud558\uc5ec \uc27d\uac8c \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, Maven\uc774\ub098 Gradle\uacfc \uac19\uc740 \ube4c\ub4dc \ub3c4\uad6c\ub97c \ud1b5\ud574 \ucee4\ub9e8\ub4dc \ub77c\uc778\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ub97c \uc2e4\ud589\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc9c0\uc18d\uc801 \ud1b5\ud569(CI) \ubc0f \uc9c0\uc18d\uc801 \ubc30\ud3ec(CD) \ud658\uacbd\uc5d0\uc11c \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub294 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ucf54\ub4dc\uac00 \ubcc0\uacbd\ub420 \ub54c\ub9c8\ub2e4 \uc790\ub3d9\uc73c\ub85c \ud14c\uc2a4\ud2b8\uac00 \uc2e4\ud589\ub418\uc5b4 \uae30\ub2a5\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \uac80\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubc30\ud3ec \uc804\uc5d0 \ubb38\uc81c\ub97c \ubbf8\ub9ac \ubc1c\uacac\ud558\uace0 \uc218\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc694\uc18c\ub85c, \ucf54\ub4dc\uc758 \ud488\uc9c8\uc744 \ub192\uc774\uace0 \uc720\uc9c0\ubcf4\uc218\ub97c \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4. \uc774 \uac15\uc88c\ub97c \ud1b5\ud574 \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\uc758 \uc911\uc694\uc131\uacfc \uc791\uc131 \ubc29\ubc95\uc744 \uc774\ud574\ud558\uc168\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc55e\uc73c\ub85c\uc758 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub97c \uc801\uadf9\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\uc5ec \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub780?<\/h2>\n
\uc65c \ud14c\uc2a4\ud2b8 \ucf54\ub4dc\ub97c \uc791\uc131\ud574\uc57c \ud560\uae4c?<\/h2>\n
\n
\uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\uc758 \ud14c\uc2a4\ud2b8<\/h2>\n
JUnit<\/h3>\n
import org.junit.jupiter.api.Test;\n import static org.junit.jupiter.api.Assertions.assertEquals;\n \n public class CalculatorTest {\n @Test\n public void addTest() {\n Calculator calculator = new Calculator();\n assertEquals(5, calculator.add(2, 3));\n }\n }<\/code><\/pre>\nMockito<\/h3>\n
\uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\uc758 \ud14c\uc2a4\ud2b8 \uc885\ub958<\/h2>\n
\ub2e8\uc704 \ud14c\uc2a4\ud2b8<\/h3>\n
\ud1b5\ud569 \ud14c\uc2a4\ud2b8<\/h3>\n
\uc5d4\ub4dc \ud22c \uc5d4\ub4dc \ud14c\uc2a4\ud2b8<\/h3>\n
\uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc5d0\uc11c\uc758 \ud14c\uc2a4\ud2b8 \uad6c\uc131<\/h2>\n
import org.junit.jupiter.api.Test;\n import org.springframework.boot.test.context.SpringBootTest;\n \n @SpringBootTest\n public class ApplicationTests {\n @Test\n void contextLoads() {\n }\n }<\/code><\/pre>\n\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud14c\uc2a4\ud2b8 \uc560\ub108\ud14c\uc774\uc158<\/h2>\n
\n
@SpringBootTest<\/code>: \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ucee8\ud14d\uc2a4\ud2b8\ub97c \ub85c\ub4dc\ud558\ub294 \ud1b5\ud569 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud55c \uc560\ub108\ud14c\uc774\uc158\uc785\ub2c8\ub2e4.<\/li>\n@MockBean<\/code>: \uc2a4\ud504\ub9c1\uc758 \uc758\uc874\uc131 \uc8fc\uc785\uc744 \uc0ac\uc6a9\ud558\uc5ec, \ud14c\uc2a4\ud2b8\uc5d0\uc11c \ud544\uc694\ud55c Bean\uc744 \ubaa8\uc758 \uac1d\uccb4\ub85c \ub300\uccb4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n@WebMvcTest<\/code>: \uc6f9 \uacc4\uce35\uc744 \ud14c\uc2a4\ud2b8\ud560 \ub54c \uc0ac\uc6a9\ub418\uba70, \ucee8\ud2b8\ub864\ub7ec \ubc0f \uad00\ub828 \uc6f9 \uad6c\uc131 \uc694\uc18c\ub9cc \ub85c\ub4dc\ud569\ub2c8\ub2e4.<\/li>\n@DataJpaTest<\/code>: JPA \uad00\ub828 \ucef4\ud3ec\ub10c\ud2b8\ub9cc \ub85c\ub4dc\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc0c1\ud638\uc791\uc6a9\uc744 \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\ud14c\uc2a4\ud2b8 \ucf54\ub4dc \uc791\uc131 \ubc29\ubc95<\/h2>\n
\n
\ud14c\uc2a4\ud2b8 \ucf54\ub4dc\uc758 \uc608<\/h2>\n
import org.junit.jupiter.api.Test;\n import static org.junit.jupiter.api.Assertions.assertEquals;\n\n public class CalculatorTest {\n private final Calculator calculator = new Calculator();\n \n @Test\n public void additionTest() {\n int result = calculator.add(10, 20);\n assertEquals(30, result, \"10 + 20\uc740 30\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.\");\n }\n }<\/code><\/pre>\n\ud14c\uc2a4\ud2b8 \uc2e4\ud589 \ubc29\ubc95<\/h2>\n
\ud14c\uc2a4\ud2b8 \ucf54\ub4dc\uc640 CI\/CD<\/h2>\n
\uacb0\ub860<\/h2>\n
\ucc38\uace0 \uc790\ub8cc<\/h2>\n