added test cases

Author: ANKUR DWIVEDI

tests/url-generation.js

@@ -334,6 +334,76 @@ describe("URL generation", function () {
         expect(url).equal(`https://ik.imagekit.io/test_url_endpoint/tr:di-test_path.jpg/test_path1.jpg`);
     }); 
 
+    it("Signed URL with ' in filename", function () {
+        const testURL = "https://ik.imagekit.io/test_url_endpoint/test_'_path_alt.jpg";
+        const signature = getSignature({
+          privateKey: "test_private_key",
+          url: testURL,
+          urlEndpoint: "https://ik.imagekit.io/test_url_endpoint",
+          expiryTimestamp: "9999999999",
+        });
+        const url = imagekit.url({
+          path: "/test_'_path_alt.jpg",
+          signed: true,
+        });
+        expect(url).equal(`https://ik.imagekit.io/test_url_endpoint/test_'_path_alt.jpg?ik-s=${signature}`);
+      });
+  
+      it("Signed URL with ' in filename and path", function () {
+        const testURL = "https://ik.imagekit.io/test_url_endpoint/a'b/test_'_path_alt.jpg";
+        const signature = getSignature({
+          privateKey: "test_private_key",
+          url: testURL,
+          urlEndpoint: "https://ik.imagekit.io/test_url_endpoint",
+          expiryTimestamp: "9999999999",
+        });
+        const url = imagekit.url({
+          path: "/a'b/test_'_path_alt.jpg",
+          signed: true,
+        });
+        expect(url).equal(`https://ik.imagekit.io/test_url_endpoint/a'b/test_'_path_alt.jpg?ik-s=${signature}`);
+      });
+  
+      it("Signed URL with ' in filename, path and transformation as path", function () {
+        const testURL = "https://ik.imagekit.io/test_url_endpoint/tr:l-text,i-Imagekit',fs-50,l-end/a'b/test_'_path_alt.jpg";
+        const signature = getSignature({
+          privateKey: "test_private_key",
+          url: testURL,
+          urlEndpoint: "https://ik.imagekit.io/test_url_endpoint",
+          expiryTimestamp: "9999999999",
+        });
+  
+        const url = imagekit.url({
+          path: "/a'b/test_'_path_alt.jpg",
+          signed: true,
+          transformation: [{ raw: "l-text,i-Imagekit',fs-50,l-end" }],
+          transformationPosition: "path",
+        });
+        expect(url).equal(
+          `https://ik.imagekit.io/test_url_endpoint/tr:l-text,i-Imagekit',fs-50,l-end/a'b/test_'_path_alt.jpg?ik-s=${signature}`
+        );
+      });
+  
+      it("Signed URL with ' in filename, path and transformation as query", function () {
+        const testURL = "https://ik.imagekit.io/test_url_endpoint/a'b/test_'_path_alt.jpg?tr=l-text%2Ci-Imagekit%27%2Cfs-50%2Cl-end";
+        const signature = getSignature({
+          privateKey: "test_private_key",
+          url: testURL,
+          urlEndpoint: "https://ik.imagekit.io/test_url_endpoint",
+          expiryTimestamp: "9999999999",
+        });
+        const url = imagekit.url({
+          path: "/a'b/test_'_path_alt.jpg",
+          signed: true,
+          transformation: [{ raw: "l-text,i-Imagekit',fs-50,l-end" }],
+          transformationPosition: "query",
+        });
+        expect(url).equal(
+          `https://ik.imagekit.io/test_url_endpoint/a'b/test_'_path_alt.jpg?tr=l-text%2Ci-Imagekit%27%2Cfs-50%2Cl-end&ik-s=${signature}`
+        );
+      });
+
+    
     it('All combined', function () {
         const url = imagekit.url({
             path: "/test_path.jpg",