Merge pull request #202 from bucket-back/OMCT-380-feed-modifier-test

[OMCT-380] 피드 수정 테스트 기능 추가

bucketback-domain/src/test/java/com/programmers/bucketback/domains/feed/implementation/FeedModifierTest.java

@@ -0,0 +1,49 @@
+package com.programmers.bucketback.domains.feed.implementation;
+
+import static org.assertj.core.api.Assertions.*;
+import static org.mockito.BDDMockito.*;
+
+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 com.programmers.bucketback.domains.feed.FeedBuilder;
+import com.programmers.bucketback.domains.feed.domain.Feed;
+import com.programmers.bucketback.domains.feed.domain.FeedContent;
+import com.programmers.bucketback.domains.feed.model.FeedUpdateServiceRequest;
+
+@ExtendWith(MockitoExtension.class)
+class FeedModifierTest {
+
+	@Mock
+	private FeedReader feedReader;
+
+	@InjectMocks
+	private FeedModifier feedModifier;
+
+	@Test
+	@DisplayName("피드를 수정한다.")
+	void modify() {
+		// given
+		Long memberId = 1L;
+		Feed feed = FeedBuilder.build();
+		String expectedContent = "수정된 피드";
+
+		given(feedReader.read(feed.getId(), memberId))
+			.willReturn(feed);
+
+		FeedUpdateServiceRequest updateServiceRequest = new FeedUpdateServiceRequest(expectedContent);
+
+		// when
+		feedModifier.modify(memberId, feed.getId(), updateServiceRequest);
+
+		// then
+		FeedContent content = feed.getContent();
+		String actualFeedContent = content.getContent();
+
+		assertThat(actualFeedContent).isEqualTo(expectedContent);
+	}
+}