add tests for recent url encoding fix for multiple + or / characters

Author: Granitosaurus

__tests__/utils.test.ts

@@ -5,7 +5,14 @@ describe('urlsafe_b64encode', () => {
     it('should encode a string to base64', () => {
         expect(urlsafe_b64encode('hello+foo/bar=====')).toBe('aGVsbG8rZm9vL2Jhcj09PT09');
     });
-    it('multiple characters should be encoded correctly', () => {
-        // XXX: investigate how to produce a string that contains + or / when b64 encoded.
+    it('multiple + characters should be encoded correctly -', () => {
+        let inp ='const is_greater_than_1 = 45 >= 5 ? true : false\nconst is_greater_than_2 = 6435 >= 5 ? true : false';
+        let expected = 'Y29uc3QgaXNfZ3JlYXRlcl90aGFuXzEgPSA0NSA-PSA1ID8gdHJ1ZSA6IGZhbHNlCmNvbnN0IGlzX2dyZWF0ZXJfdGhhbl8yID0gNjQzNSA-PSA1ID8gdHJ1ZSA6IGZhbHNl'
+        expect(urlsafe_b64encode(inp)).toBe(expected);
+    });
+    it('multiple / characters should be encoded correctly as _', () => {
+        let inp ='const has_env1 = window.env1 ? true : false;\nconst has_env2 = window.env2 ? true : false;';
+        let expected = 'Y29uc3QgaGFzX2VudjEgPSB3aW5kb3cuZW52MSA_IHRydWUgOiBmYWxzZTsKY29uc3QgaGFzX2VudjIgPSB3aW5kb3cuZW52MiA_IHRydWUgOiBmYWxzZTs'
+        expect(urlsafe_b64encode(inp)).toBe(expected);
     });
 });