add test

tests/sometext.txt

@@ -0,0 +1 @@
+A secret text 你好世界

tests/test-encrypt.ts

@@ -1,5 +1,10 @@
+import * as fs from "fs";
 import { expect } from "chai";
-import { encryptStringToBase32 } from "../src/encrypt";
+import { base64ToBase32 } from "../src/misc";
+import {
+  decryptBase32ToString,
+  encryptStringToBase32,
+} from "../src/encrypt";
 
 describe("Encryption tests", () => {
   beforeEach(function () {
@@ -13,4 +18,38 @@ describe("Encryption tests", () => {
     const password = "hey";
     expect(await encryptStringToBase32(k, password)).to.not.equal(k);
   });
+
+  it("should encrypt and decrypt string and get the same result returned", async () => {
+    const k = "jfkkjkjbce7983ycdeknkkjckooAIUHIDIBIE((*BII)njD/d/dd/d/sjxhux";
+    const password = "hfiuibec989###oiu982bj1`";
+    const enc = await encryptStringToBase32(k, password);
+    console.log(enc);
+    const dec = await decryptBase32ToString(enc, password);
+    console.log(dec);
+    expect(dec).equal(k);
+  });
+
+  it("should encrypt and get the same result as openssl", async () => {
+    const fileContent = (
+      await fs.readFileSync(__dirname + "/sometext.txt")
+    ).toString("utf-8");
+    const password = "somepassword";
+    const saltHex = "8302F586FAB491EC";
+    const enc = await encryptStringToBase32(
+      fileContent,
+      password,
+      undefined,
+      saltHex
+    );
+
+    // two command returns same result:
+    // cat ./sometext.txt | openssl enc -p -aes-256-cbc -S 8302F586FAB491EC -pbkdf2 -iter 10000 -base64 -pass pass:somepassword
+    // openssl enc -p -aes-256-cbc -S 8302F586FAB491EC -pbkdf2 -iter 10000 -base64 -pass pass:somepassword -in ./sometext.txt
+    const opensslBase64Res =
+      "U2FsdGVkX1+DAvWG+rSR7MSa+yJav1zCE7SSXiBooqwI5Q+LMpIthpk/pXkLj+25";
+    // we output base32, so we need some transformation
+    const opensslBase32Res = base64ToBase32(opensslBase64Res);
+
+    expect(enc).equal(opensslBase32Res);
+  });
 });