Removed repeated code in createPass and added few tests and moved few tests from index.ts to new factory test file

spec/factory.ts

@@ -0,0 +1,97 @@
+import { createPass } from "../lib/factory";
+import formatMessage from "../lib/messages";
+import * as fs from "fs";
+import * as path from "path";
+
+describe("createPass", () => {
+	it("should throw if first argument is not provided", async () => {
+		await expectAsync(createPass(undefined)).toBeRejectedWithError(
+			formatMessage("CP_NO_OPTS")
+		);
+	});
+
+	try {
+		let certificatesPath = "../certificates";
+
+		try {
+			fs.accessSync(path.resolve(__dirname, certificatesPath));
+		} catch (err) {
+			certificatesPath = "../certs";
+
+			try {
+				fs.accessSync(path.resolve(__dirname, certificatesPath));
+			} catch (err) {
+				certificatesPath = "";
+			}
+		}
+
+		if (certificatesPath) {
+			it("should return a pass instance", async () => {
+				await expectAsync(createPass({
+					model: path.resolve(__dirname, "../examples/models/exampleBooking.pass"),
+					certificates: {
+						signerCert: path.resolve(__dirname, certificatesPath, "./signerCert.pem"),
+						signerKey: {
+							keyFile: path.resolve(__dirname, certificatesPath, "./signerKey.pem"),
+							passphrase: "password1234"
+						},
+						wwdr: path.resolve(__dirname, certificatesPath, "./WWDR.pem"),
+					}
+				})).toBeResolved();
+			});
+
+			describe("Model validation", () => {
+				it("Should reject with non valid model", async () => {
+					await expectAsync(createPass({
+						// @ts-expect-error
+						model: 0,
+						certificates: {
+							signerCert: path.resolve(__dirname, certificatesPath, "./signerCert.pem"),
+							signerKey: {
+								keyFile: path.resolve(__dirname, certificatesPath, "./signerKey.pem"),
+								passphrase: "password1234"
+							},
+							wwdr: path.resolve(__dirname, certificatesPath, "./WWDR.pem"),
+						}
+					})).toBeRejected();
+
+					await expectAsync(createPass({
+						model: undefined,
+						certificates: {
+							signerCert: path.resolve(__dirname, certificatesPath, "./signerCert.pem"),
+							signerKey: {
+								keyFile: path.resolve(__dirname, certificatesPath, "./signerKey.pem"),
+								passphrase: "password1234"
+							},
+							wwdr: path.resolve(__dirname, certificatesPath, "./WWDR.pem"),
+						}
+					})).toBeRejected();
+
+					await expectAsync(createPass({
+						model: null,
+						certificates: {
+							signerCert: path.resolve(__dirname, certificatesPath, "./signerCert.pem"),
+							signerKey: {
+								keyFile: path.resolve(__dirname, certificatesPath, "./signerKey.pem"),
+								passphrase: "password1234"
+							},
+							wwdr: path.resolve(__dirname, certificatesPath, "./WWDR.pem"),
+						}
+					})).toBeRejected();
+
+					await expectAsync(createPass({
+						model: {},
+						certificates: {
+							signerCert: path.resolve(__dirname, certificatesPath, "./signerCert.pem"),
+							signerKey: {
+								keyFile: path.resolve(__dirname, certificatesPath, "./signerKey.pem"),
+								passphrase: "password1234"
+							},
+							wwdr: path.resolve(__dirname, certificatesPath, "./WWDR.pem"),
+						}
+					})).toBeRejected();
+				});
+			});
+		}
+	} catch (err) { }
+});