* Add tests to handle non snomed code translations

* Add functionality when mapping blood pressures to preserve non snomed codes

Author: MartinWheelerMT

service/src/main/java/uk/nhs/adaptors/gp2gp/ehr/mapper/CodeableConceptCdMapper.java

@@ -162,6 +162,7 @@ public String mapCodeableConceptToCdForBloodPressure(CodeableConcept codeableCon
 
             code.ifPresent(builder::mainCode);
             displayText.ifPresent(builder::mainDisplayName);
+            builder.translations(getNonSnomedCodeCodings(codeableConcept));
         }
 
         return TemplateUtils.fillTemplate(CODEABLE_CONCEPT_CD_TEMPLATE, builder.build());

service/src/test/java/uk/nhs/adaptors/gp2gp/ehr/mapper/CodeableConceptCdMapperTest.java

@@ -324,6 +324,44 @@ <originalText>Prothrombin time (observed)</originalText>
             assertThat(outputMessage).isEqualToIgnoringWhitespace(expectedOutput);
         }
 
+        @Test
+        void When_WithSnomedCodingAndLegacyCodings_Expect_SnomedCdXmlWithTranslations() {
+            var inputJson = """
+                {
+                     "resourceType": "Observation",
+                     "code": {
+                         "coding": [
+                             {
+                                 "system": "http://snomed.info/sct",
+                                 "display": "Prothrombin time",
+                                 "code": "852471000000107"
+                             },
+                             {
+                                 "system": "http://read.info/readv2",
+                                 "code": "42Q5.00",
+                                 "display": "Observed Prothrombin time"
+                             },
+                             {
+                                 "system": "http://read.info/ctv3",
+                                 "code": "123456",
+                                 "display": "Prothrombin time (observed)"
+                             }
+                         ]
+                     }
+                }""";
+            var expectedOutput = """
+                <code code="852471000000107" codeSystem="2.16.840.1.113883.2.1.3.2.4.15" displayName="Prothrombin time">
+                    <translation code="42Q5.00" codeSystem="2.16.840.1.113883.2.1.6.2" displayName="Observed Prothrombin time" />
+                    <translation code="123456" codeSystem="2.16.840.1.113883.2.1.3.2.4.14" displayName="Prothrombin time (observed)" />
+                    <originalText>Prothrombin time</originalText>
+                </code>""";
+            var codeableConcept = fhirParseService.parseResource(inputJson, Observation.class).getCode();
+
+            var outputMessage = codeableConceptCdMapper.mapCodeableConceptToCdForBloodPressure(codeableConcept);
+
+            assertThat(outputMessage).isEqualToIgnoringWhitespace(expectedOutput);
+        }
+
         @Test
         void When_WithNonSnomedCodingWithText_Expect_NullFlavorUnkCDWithOriginalTextFromText() {
             var inputJson = """
@@ -451,6 +489,37 @@ <originalText>Prothrombin time (observed)</originalText>
 
             assertThat(outputMessage).isEqualToIgnoringWhitespace(expectedOutput);
         }
+
+        @Test
+        void When_WithoutSnomedCodingAndWithLegacyCodings_Expect_NullFlavorSnomedCdXmlWithoutTranslations() {
+            var inputJson = """
+                {
+                     "resourceType": "Observation",
+                     "code": {
+                         "coding": [
+                             {
+                                 "system": "http://read.info/readv2",
+                                 "code": "42Q5.00",
+                                 "display": "Observed Prothrombin time"
+                             },
+                             {
+                                 "system": "http://read.info/ctv3",
+                                 "code": "123456",
+                                 "display": "Prothrombin time (observed)"
+                             }
+                         ]
+                     }
+                }""";
+            var expectedOutput = """
+                <code nullFlavor="UNK">
+                    <originalText>Observed Prothrombin time</originalText>
+                </code>""";
+            var codeableConcept = fhirParseService.parseResource(inputJson, Observation.class).getCode();
+
+            var outputMessage = codeableConceptCdMapper.mapCodeableConceptToCdForBloodPressure(codeableConcept);
+
+            assertThat(outputMessage).isEqualToIgnoringWhitespace(expectedOutput);
+        }
     }
 
     @Nested