bare DDP packet decoding

packages/ddp/tests/decode.test.js

@@ -3,16 +3,72 @@ const { describe, it } = require('node:test');
 const ddp = require('../dist/cjs/index');
 
 const goodTests = [
+  {
+    description: 'simple DDP packet',
+    bytes: new Uint8Array([0x40, 0x0f, 0x92, 0x01, 0x45, 0x67, 0x89, 0x10, 0x10, 0x11]),
+    expected: {
+      header: {
+        flags: {
+          version: 1,
+          timecode: false,
+          storage: false,
+          reply: false,
+          query: false,
+          push: false,
+        },
+        sequenceNumber: 15,
+        dataType: {
+          standard: false,
+          type: 2,
+          bitsPerPixel: 4,
+        },
+        sourceOrDestinationID: 1,
+        dataOffset: 1164413200,
+        dataLength: 4113,
+      },
+      data: new Uint8Array([])
+    },
+  },
+  {
+    description: 'DDP packet with timecode',
+    bytes: new Uint8Array([0x50, 0x0f, 0x92, 0x01, 0x45, 0x67, 0x89, 0x10, 0x10, 0x11, 0x10, 0x11, 0x11, 0x10]),
+    expected: {
+      header: {
+        flags: {
+          version: 1,
+          timecode: true,
+          storage: false,
+          reply: false,
+          query: false,
+          push: false,
+        },
+        sequenceNumber: 15,
+        dataType: {
+          standard: false,
+          type: 2,
+          bitsPerPixel: 4,
+        },
+        sourceOrDestinationID: 1,
+        dataOffset: 1164413200,
+        dataLength: 4113,
+        timecode: {
+          seconds: 4113,
+          fractionalSeconds: 4368,
+        },
+      },
+      data: new Uint8Array([])
+
+    },
+  },
 ];
 
-const badTests = [
-  
-];
+const badTests = [];
 
 describe('DDP Message Decoding Pass', () => {
   goodTests.forEach((messageTest) => {
     it(messageTest.description, () => {
       const decoded = ddp.decode(messageTest.bytes);
+      console.log(decoded.header);
       deepEqual(decoded, messageTest.expected);
     });
   });