[Developer] #569 plain text vector Top-K probe

src/test/java/com/cloudhandson/vpdbackoffice/service/VectorKnowledgeServiceTest.java

@@ -0,0 +1,55 @@
+package com.cloudhandson.vpdbackoffice.service;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.mock;
+
+import com.cloudhandson.vpdbackoffice.domain.vector.VectorQueryEmbedding;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.Test;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+class VectorKnowledgeServiceTest {
+
+  @Test
+  void vectorizesPlainTextWithTheLocalEmbeddingAndBuildsOrdsBody() {
+    OpenAiCompatibleClient embeddingClient = mock(OpenAiCompatibleClient.class);
+    VectorKnowledgeService service = service(embeddingClient);
+
+    VectorQueryEmbedding result = service.vectorizeQuery("  Oracle VPD에서 ORDS 권한 확인  ", "demo");
+
+    assertThat(result.query()).isEqualTo("Oracle VPD에서 ORDS 권한 확인");
+    assertThat(result.embeddingMode()).isEqualTo("DEMO");
+    assertThat(result.embeddingModel()).isEqualTo("로컬 임베딩(개발용)");
+    assertThat(result.requestBody()).startsWith("{\"embedding\":[").contains("]}");
+  }
+
+  @Test
+  void rejectsAiModeWhenEmbeddingConfigurationIsMissing() {
+    OpenAiCompatibleClient embeddingClient = mock(OpenAiCompatibleClient.class);
+    VectorKnowledgeService service = service(embeddingClient);
+
+    assertThatThrownBy(() -> service.vectorizeQuery("검색어", "AI"))
+        .isInstanceOf(AppException.class)
+        .hasMessageContaining("AI 임베딩이 설정되지 않았습니다");
+  }
+
+  @Test
+  void rejectsBlankPlainTextBeforeCallingOrds() {
+    VectorKnowledgeService service = service(mock(OpenAiCompatibleClient.class));
+
+    assertThatThrownBy(() -> service.vectorizeQuery("  ", "DEMO"))
+        .isInstanceOf(AppException.class)
+        .hasMessageContaining("검색 질문");
+  }
+
+  private VectorKnowledgeService service(OpenAiCompatibleClient embeddingClient) {
+    return new VectorKnowledgeService(
+        mock(JdbcTemplate.class),
+        new ObjectMapper(),
+        embeddingClient,
+        mock(ProtectedObjectService.class),
+        mock(BearerTokenService.class),
+        mock(OrdsProbeService.class));
+  }
+}