Fix empty accession list case

Author: meier-rene

env.dist

@@ -6,10 +6,10 @@
 DB_PORT=5432
 
 # The database user name
-DB_USER=massbank_export_api_user
+DB_USER=massbank3
 
 # The database password
-DB_PASSWORD=massbank-export-api-password
+DB_PASSWORD=massbank3password
 
 # The name of the database
 DB_NAME=records

src/main/java/massbank_export_api/api/db/RecordRepository.java

@@ -11,7 +11,7 @@ public interface RecordRepository extends JpaRepository<DbRecord, Long> {
 
     DbRecord findByAccession(String accession);
 
-    // Custom query to fetch all accessions
-    @Query(value = "SELECT accession FROM record", nativeQuery = true)
+    @Query("SELECT r.accession FROM DbRecord r")
     List<String> findAllAccessions();
+
 }

src/test/java/massbank_export_api/ExportApiControllerTest.java

@@ -147,6 +147,15 @@ public void testCreateConversionTaskNistMSP() throws Exception {
                 .andExpect(content().string(expectedResponse));
     }
 
+    @Test
+    public void testCreateConversionTaskNistMSPEmptyRecordList() throws Exception {
+        String requestBody = "{ \"record_list\": [ ], \"format\": \"nist_msp\" }";
+        mockMvc.perform(post("/convert")
+                        .contentType("application/json")
+                        .content(requestBody))
+                .andExpect(status().isOk());
+    }
+
     @Test
     public void testCreateConversionTaskRikenMSP() throws Exception {
         String requestBody = "{ \"record_list\": [\"MSBNK-IPB_Halle-PB001341\" , \"MSBNK-IPB_Halle-PB000125\"], \"format\": \"riken_msp\" }";