feat: support legacy path for germplasm card

backend/src/main/java/fr/inra/urgi/faidare/web/germplasm/GermplasmController.java

@@ -39,10 +39,13 @@ import org.springframework.web.servlet.mvc.method.annotation.StreamingResponseBo
 
 /**
  * Controller used to display a germplasm card based on its ID.
+ * Note that this controller is mapped to the /germplasm path in addition to
+ * the canonical /germplasms path in order to still honor legacy URLs used
+ * in external applications
  * @author JB Nizet
  */
 @Controller("webGermplasmController")
-@RequestMapping("/germplasms")
+@RequestMapping({"/germplasms", "/germplasm"})
 public class GermplasmController {
 
     private final GermplasmRepository germplasmRepository;

backend/src/test/java/fr/inra/urgi/faidare/web/germplasm/GermplasmControllerTest.java

@@ -160,6 +160,18 @@ public class GermplasmControllerTest {
         verify(mockGermplasmRepository).find(argThat(criteriaMatcher));
     }
 
+    @Test
+    void shouldSupportLegacyPath() throws Exception {
+        PaginatedList<GermplasmVO> puiList = new PaginatedList<>(null, Collections.singletonList(germplasm));
+        when(mockGermplasmRepository.find(any())).thenReturn(puiList);
+
+        mockMvc.perform(get("/germplasm").param("pui", germplasm.getGermplasmPUI()))
+               .andExpect(status().isOk())
+               .andExpect(content().contentTypeCompatibleWith(MediaType.TEXT_HTML))
+               .andExpect(htmlContent().hasTitle("Germplasm: BLE BARBU DU ROUSSILLON"))
+               .andExpect(htmlContent().endsCorrectly());
+    }
+
     @Test
     void shouldGenerateSitemap() throws Exception {
         List<GermplasmSitemapVO> germplasms = Arrays.asList(