refactoring

docs/SymptomsCausedByVaccines/test/PrrByKey2CsvConverterTest.js

@@ -0,0 +1,30 @@
+QUnit.module('PrrByKey2CsvConverterTest', function () {
+
+    QUnit.test('convertPrrByKey2Csv', function (assert) {
+        // Given
+        const prrByKey = {
+            "MM,R": 26.17432376240791,
+            "VARCEL": 10.549534724816644
+        };
+
+        // When
+        const csv = PrrByKey2CsvConverter.convertPrrByKey2Csv(
+            {
+                heading: '# Symptom: Acute hepatitis C',
+                columns: {
+                    keyColumn: 'Vaccine',
+                    prrColumn: 'Proportional Reporting Ratio'
+                },
+                prrByKey: prrByKey
+            });
+
+        // Then
+        const csvExpected =
+            `# Symptom: Acute hepatitis C
+
+"Vaccine","Proportional Reporting Ratio"
+"MM,R",26.17432376240791
+"VARCEL",10.549534724816644`;
+        assert.equal(csv, csvExpected);
+    });
+});