Working on staffStation.utils and added tests

Signed-off-by: Fred Boniface <fred@fjla.uk>

test/utils/translators/ldb/staffStation.utils.test.ts

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+import { transform } from "../../../../src/utils/translators/ldb/staffStation";
+
+import { inputs } from "./stationInputs.test.data";
+import { outputs } from "./stationOutputs.test.data";
+
+describe('transform', () => {
+  test('Should return null for empty input', () => {
+    const input = {};
+    expect(transform(input)).toBeNull();
+  });
+
+  for (const testNo in inputs) {
+    test(`Should correctly transform data ${testNo + 1}`, () => {
+      const input = inputs[testNo]
+      const expectedOutput = outputs[testNo]
+
+      expect(transform(input)).toEqual(expectedOutput);
+    
+    });
+  }
+});

test/utils/translators/ldb/stationInputs.test.data.ts

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+export const inputs: any[] = [
+  {
+    GetBoardResult: {
+      generatedAt: '2023-08-01T20:37:05.559123+01:00',
+      locationName: 'Railway Station',
+      crs: 'RLY',
+      stationManager: 'Network Rail',
+      stationManagerCode: 'RT',
+      nrccMessages: {
+        message: {
+          severity: "minor",
+          xhtmlMessage: '\n<p>Minor Alert</p>',
+          type: "station"
+        }
+      },
+      isTruncated: 'true',
+      trainServices: {
+        service: [
+          {
+            rid: "202308017159276",
+            uid: "G59276",
+            trainuid: "1M83",
+            sdd: "2023-08-01",
+            operator: "CrossCountry",
+            operatorCode: "XC",
+            sta: "2023-08-01T20:24:00",
+            ata: "2023-08-01T20:27:22",
+            arrivalType: "Actual",
+            std: "2023-08-01T20:35:00",
+            etd: "2023-08-01T20:35:00",
+            departureType: "Estimated",
+            departureSource: "Darwin",
+            platform: "5",
+            origin: {
+              location: {
+                locationName: "Plymouth",
+                crs: "PLY",
+                tiploc: "PLYMTH"
+              }
+            },
+            destination: {
+              location: {
+                locationName: "Birmingham New Street",
+                crs: "BHM",
+                tiploc: "BHAMNWS"
+              }
+            },
+            category: "XX",
+            activities: "T",
+          }
+        ]
+      }
+    }
+  },
+]

test/utils/translators/ldb/stationOutputs.test.data.ts

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+export const outputs: any[] = [
+  {
+    generatedAt: expect.any(Date),
+    locationName: "Railway Station",
+    stationManagerCode: "RT",
+    nrccMessages: [
+      {
+        severity: "minor",
+        xhtmlMessage: "Minor Alert"
+      }
+    ],
+    trainServices: [
+      {
+        rid: "202308017159276",
+        uid: "G59276",
+        trainuid: "1M83",
+        operatorCode: "XC",
+        sta: expect.any(Date),
+        ata: expect.any(Date),
+        arrivalType: "Actual",
+        std: expect.any(Date),
+        etd: expect.any(Date),
+        departureType: "Estimated",
+        platform: "5",
+        origin: [
+          {
+            tiploc: "PLYMTH",
+            locationName: "Plymouth"
+          }
+        ],
+        destination: [
+          {
+            tiploc: "BHAMNWS",
+            locationName: "Birmingham New Street"
+          }
+        ]
+      }
+    ]
+  },
+]