test: FAQ 관리 (#143)

Author: Simzard10

app/src/test/java/com/mangoboss/app/domain/service/faq/FaqServiceTest.java

@@ -0,0 +1,85 @@
+package com.mangoboss.app.domain.service.faq;
+
+import com.mangoboss.app.domain.repository.FaqRepository;
+import com.mangoboss.storage.faq.FaqCategory;
+import com.mangoboss.storage.faq.FaqEntity;
+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 java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.*;
+
+@ExtendWith(MockitoExtension.class)
+class FaqServiceTest {
+
+    @InjectMocks
+    private FaqService faqService;
+
+    @Mock
+    private FaqRepository faqRepository;
+
+    @Test
+    void 전체_카테고리를_조회할_때_모든_FAQ를_가져온다() {
+        // given
+        List<FaqEntity> allFaqs = List.of(mock(FaqEntity.class), mock(FaqEntity.class));
+        when(faqRepository.findAll()).thenReturn(allFaqs);
+
+        // when
+        List<FaqEntity> result = faqService.getFaqs(FaqCategory.ALL);
+
+        // then
+        assertThat(result).isEqualTo(allFaqs);
+        verify(faqRepository).findAll();
+        verify(faqRepository, never()).findByCategory(any());
+    }
+
+    @Test
+    void 서비스_카테고리를_조회할_때_SERVICE_FAQ만_가져온다() {
+        // given
+        List<FaqEntity> serviceFaqs = List.of(mock(FaqEntity.class));
+        when(faqRepository.findByCategory(FaqCategory.SERVICE)).thenReturn(serviceFaqs);
+
+        // when
+        List<FaqEntity> result = faqService.getFaqs(FaqCategory.SERVICE);
+
+        // then
+        assertThat(result).isEqualTo(serviceFaqs);
+        verify(faqRepository).findByCategory(FaqCategory.SERVICE);
+        verify(faqRepository, never()).findAll();
+    }
+
+    @Test
+    void 결제_카테고리를_조회할_때_PAYMENT_FAQ만_가져온다() {
+        // given
+        List<FaqEntity> paymentFaqs = List.of(mock(FaqEntity.class));
+        when(faqRepository.findByCategory(FaqCategory.PAYMENT)).thenReturn(paymentFaqs);
+
+        // when
+        List<FaqEntity> result = faqService.getFaqs(FaqCategory.PAYMENT);
+
+        // then
+        assertThat(result).isEqualTo(paymentFaqs);
+        verify(faqRepository).findByCategory(FaqCategory.PAYMENT);
+        verify(faqRepository, never()).findAll();
+    }
+
+    @Test
+    void 계정_카테고리를_조회할_때_ACCOUNT_FAQ만_가져온다() {
+        // given
+        List<FaqEntity> accountFaqs = List.of(mock(FaqEntity.class));
+        when(faqRepository.findByCategory(FaqCategory.ACCOUNT)).thenReturn(accountFaqs);
+
+        // when
+        List<FaqEntity> result = faqService.getFaqs(FaqCategory.ACCOUNT);
+
+        // then
+        assertThat(result).isEqualTo(accountFaqs);
+        verify(faqRepository).findByCategory(FaqCategory.ACCOUNT);
+        verify(faqRepository, never()).findAll();
+    }
+}