Additional tiny base64 decoder tests (#1252)

* Additional tiny base64 decoder tests * Update packages/util-crypto/src/base64/encode.spec.ts * Update packages/x-randomvalues/src/base64.spec.ts
2021-11-27 09:23:18 +02:00
parent 64fd66bd2a
commit 8a5b514944
1 changed files with 33 additions and 39 deletions
@@ -3,46 +3,40 @@

 import { base64Decode } from './base64';

+const TESTS = [
+  {
+    // hello world Приветствую ми 你好
+    base64: 'aGVsbG8gd29ybGQg0J/RgNC40LLQtdGC0YHRgtCy0YPRjiDQvNC4IOS9oOWlvQ==',
+    expect: new Uint8Array([104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100, 32, 208, 159, 209, 128, 208, 184, 208, 178, 208, 181, 209, 130, 209, 129, 209, 130, 208, 178, 209, 131, 209, 142, 32, 208, 188, 208, 184, 32, 228, 189, 160, 229, 165, 189])
+  },
+  {
+    // ✓ à la mode
+    base64: '4pyTIMOgIGxhIG1vZGU=',
+    expect: new Uint8Array([226, 156, 147, 32, 195, 160, 32, 108, 97, 32, 109, 111, 100, 101])
+  },
+  {
+    // Hello World!
+    base64: 'SGVsbG8gV29ybGQh',
+    expect: new Uint8Array([72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100, 33])
+  },
+  {
+    base64: 'AA==',
+    expect: new Uint8Array([0])
+  },
+  {
+    base64: 'AAA=',
+    expect: new Uint8Array([0, 0])
+  },
+  {
+    base64: 'AAAA',
+    expect: new Uint8Array([0, 0, 0])
+  }
+];
+
 describe('base64Decode', (): void => {
-  it('decodes a mixed base64 utf8 string (1)', (): void => {
+  it.each(TESTS)('%p', (test): void => {
    expect(
-      base64Decode('aGVsbG8gd29ybGQg0J/RgNC40LLQtdGC0YHRgtCy0YPRjiDQvNC4IOS9oOWlvQ==')
-    ).toEqual(
-      // hello world Приветствую ми 你好
-      new Uint8Array([
-        104, 101, 108, 108, 111, 32, 119, 111,
-        114, 108, 100, 32, 208, 159, 209, 128,
-        208, 184, 208, 178, 208, 181, 209, 130,
-        209, 129, 209, 130, 208, 178, 209, 131,
-        209, 142, 32, 208, 188, 208, 184, 32,
-        228, 189, 160, 229, 165, 189
-      ])
-    );
-  });
-
-  it('decodes a mixed base64 utf8 string (2)', (): void => {
-    expect(
-      base64Decode('4pyTIMOgIGxhIG1vZGU=')
-    ).toEqual(
-      // ✓ à la mode
-      new Uint8Array([
-        226, 156, 147, 32, 195,
-        160, 32, 108, 97, 32,
-        109, 111, 100, 101
-      ])
-    );
-  });
-
-  it('decodes a mixed base64 utf8 string (3)', (): void => {
-    expect(
-      base64Decode('SGVsbG8gV29ybGQh')
-    ).toEqual(
-      // Hello World!
-      new Uint8Array([
-        72, 101, 108, 108, 111,
-        32, 87, 111, 114, 108,
-        100, 33
-      ])
-    );
+      base64Decode(test.base64)
+    ).toEqual(test.expect);
  });
 });