[Feat] 서비스 테스트 코드 작성

urlshortener/src/main/java/com/prgrms/url_shortener/controller/UrlController.java

@@ -32,9 +32,9 @@ public String getShortenUrl(@Valid @ModelAttribute ShortenUrlRequest request, Mo
         return "index";
     }
 
-    @GetMapping("/url/{shortenUrl}")
-    public String redirectOriginUrl(@PathVariable String shortenUrl) {
-        String originUrl = urlService.getOriginUrl(shortenUrl);
+    @GetMapping("/url/{shortUri}")
+    public String redirectOriginUrl(@PathVariable String shortUri) {
+        String originUrl = urlService.getOriginUrl(shortUri);
         return "redirect:" + originUrl;
     }
 }

urlshortener/src/main/java/com/prgrms/url_shortener/service/UrlService.java

@@ -31,8 +31,8 @@ public ShortenUrlResponse getShortUrl(ShortenUrlRequest request) {
     }
 
     @Transactional(readOnly = true)
-    public String getOriginUrl(String shortenUrl) {
-        Long urlId = Base62Algorithm.decode(shortenUrl);
+    public String getOriginUrl(String shortUri) {
+        Long urlId = Base62Algorithm.decode(shortUri);
         Url url = urlRepository.findById(urlId).orElseThrow(() -> {
             throw new CustomException("존재하지 않는 URL입니다.");
         });

urlshortener/src/test/java/com/prgrms/url_shortener/service/UrlServiceTest.java

@@ -0,0 +1,70 @@
+package com.prgrms.url_shortener.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+import com.prgrms.url_shortener.algorithm.Base62Algorithm;
+import com.prgrms.url_shortener.dto.ShortenUrlRequest;
+import com.prgrms.url_shortener.dto.ShortenUrlResponse;
+import com.prgrms.url_shortener.entity.Url;
+import com.prgrms.url_shortener.repository.UrlRepository;
+import java.util.Optional;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.springframework.test.util.ReflectionTestUtils;
+
+
+@ExtendWith(MockitoExtension.class)
+class UrlServiceTest {
+    @Mock
+    private UrlRepository repository;
+
+    @InjectMocks
+    private UrlService service;
+
+    @DisplayName("Base62인코딩으로 shortenUrl을 생성할 수 있다.")
+    @Test
+    void create_url() {
+        //given
+        String originUrl = "https://daum.net";
+        ShortenUrlRequest request = new ShortenUrlRequest(originUrl);
+
+        Url url = new Url(originUrl);
+        ReflectionTestUtils.setField(url, "id", 1L);
+
+        when(repository.existsByOriginUrl(originUrl)).thenReturn(false);
+        when(repository.save(any(Url.class))).thenReturn(url);
+        String shortUri = Base62Algorithm.encode(1L);
+
+        //when
+        ShortenUrlResponse response = service.getShortUrl(request);
+
+        //then
+        assertThat(response.shortenUrl()).endsWith(shortUri);
+    }
+
+
+    @DisplayName("shortUri을 디코딩하여 DB에 저장된 originUrl을 가져올 수 있다.")
+    @Test
+    void get_origin_url() {
+        //given
+        String expectedOriginUrl = "https://daum.net";
+        Url url = new Url(expectedOriginUrl);
+        ReflectionTestUtils.setField(url, "id", 1L);
+
+        String shortUri = Base62Algorithm.encode(1L);
+
+        when(repository.findById(any(Long.class))).thenReturn(Optional.of(url));
+
+        //when
+        String actualOriginUrl = service.getOriginUrl(shortUri);
+
+        //then
+        assertThat(actualOriginUrl).isEqualTo(expectedOriginUrl);
+    }
+}