Add test for parsing patient id MRN with BOM

Author: jafeltra

test/helpers/appUtils.test.js

@@ -2,6 +2,7 @@ const path = require('path');
 const { parsePatientIds } = require('../../src/helpers/appUtils');
 
 const MOCK_VALID_ID_CSV = path.join(__dirname, './fixtures/valid-mrns.csv');
+const MOCK_VALID_ID_CSV_WITH_BOM = path.join(__dirname, './fixtures/valid-mrns-bom.csv');
 
 // Has no MRN column
 const MOCK_INVALID_ID_CSV = path.join(__dirname, './fixtures/invalid-mrns.csv');
@@ -17,6 +18,15 @@ describe('appUtils', () => {
       expect(ids).toEqual(expectedIds);
     });
 
+    test('valid path to CSV with BOM should parse content', () => {
+      const expectedIds = ['123', '456', '789'];
+      const ids = parsePatientIds(MOCK_VALID_ID_CSV_WITH_BOM);
+
+      // Should get every MRN and correctly parse with BOM
+      expect(ids).toHaveLength(expectedIds.length);
+      expect(ids).toEqual(expectedIds);
+    });
+
     test('invalid path should throw error', () => {
       expect(() => parsePatientIds(MOCK_INVALID_ID_CSV)).toThrowError();
     });

test/helpers/fixtures/valid-mrns-bom.csv

@@ -0,0 +1,4 @@
+mrn
+123
+456
+789