Added test for PURL qualifiers with key and no value validation

Author: jdaigneau5

test/unit-tests/cve/validatePurlTest.js

@@ -116,6 +116,12 @@ const RecordNoPurl = [
   }
 ]
 
+const PurlQualifierKeyNoValueRecord = [
+  {
+    packageURL: 'pkg:npm/package-name?qualifier&test=value'
+  }
+]
+
 describe('Testing validatePURL middleware', () => {
   context('Positive Tests', () => {
     it('Should validate a correctly formatted PURL ', () => {
@@ -171,6 +177,10 @@ describe('Testing validatePURL middleware', () => {
       expect(() => purlValidateHelper(RecordQualifierVersionPurl)).to.throw('PURL versions are currently not supported by the CVE schema: ' + RecordQualifierVersionPurl[0].packageURL)
     })
 
+    it('Should fail to validate when a qualifier has a key and no value ', () => {
+      expect(() => purlValidateHelper(PurlQualifierKeyNoValueRecord)).to.throw('Qualifier keys must have a value: ' + PurlQualifierKeyNoValueRecord[0].packageURL)
+    })
+
     it('Should fail to validate when a PURL contain an encoded colon ', () => {
       expect(() => purlValidateHelper(PurlEncodedColonRecord)).to.throw('Percent-encoded colons are not allowed in a PURL: ' + PurlEncodedColonRecord[0].packageURL)
     })