Initial commit of my folder

backend/node_modules/node-osc/test/test-decode.mjs

@@ -0,0 +1,143 @@
+import { test } from 'tap';
+
+import decode from '#decode';
+
+test('decode: valid', (t) => {
+  const buf = Buffer.from('/test\0\0\0,s\0,testing\0');
+  t.same(decode(buf), ['/test', 'testing'], 'should be empty array');
+  t.end();
+});
+
+test('decode: valid', (t) => {
+  const buf = Buffer.from('/test\0\0\0,s\0,testing\0');
+  t.same(decode(buf), ['/test', 'testing'], 'should be empty array');
+  t.end();
+});
+
+test('decode: malformed packet', (t) => {
+  t.throws(() => {
+    const buf = Buffer.from('/test\0\0');
+    decode(buf);
+  }, /Malformed Packet/);
+  t.end();
+});
+
+test('decode: invalid typetags', (t) => {
+  t.throws(() => {
+    const buf = Buffer.from('/test\0\0\0,R\0');
+    decode(buf);
+  }, /I don't understand the argument code R/);
+  t.end();
+});
+
+test('decode: malformed OSC structure', (t) => {
+  // Try to create a scenario that might trigger the "else" case in decode
+  // This tests an edge case where the buffer might be parsed but not create a valid OSC structure
+  t.throws(() => {
+    // Create a buffer that's too short to be valid
+    const buf = Buffer.from('\0\0\0\0');
+    decode(buf);
+  }, /Malformed Packet/);
+  t.end();
+});
+
+test('decode: corrupted buffer', (t) => {
+  // Test with a buffer that could potentially cause fromBuffer to return unexpected results
+  t.throws(() => {
+    // Create a malformed buffer that might not parse correctly
+    const buf = Buffer.from('invalid');
+    decode(buf);
+  }, /(Malformed Packet|Cannot read|out of range)/);
+  t.end();
+});
+
+// This test attempts to exercise edge cases in the decode function
+test('decode: edge case with manually crafted invalid structure', (t) => {
+  // Since the decode function has a defensive else clause, let's try to trigger it
+  // by creating a buffer that might result in an unexpected object structure
+  
+  // Try with an empty buffer
+  t.throws(() => {
+    const buf = Buffer.alloc(0);
+    decode(buf);
+  }, /(Malformed Packet|Cannot read|out of range)/);
+  
+  // Try with a buffer containing only null bytes
+  t.throws(() => {
+    const buf = Buffer.alloc(16, 0);
+    decode(buf);
+  }, /(Malformed Packet|Cannot read|out of range)/);
+  
+  t.end();
+});
+
+test('decode: malformed structure with unexpected oscType', async (t) => {
+  // Test the defensive else clause by providing a custom fromBuffer function
+  // that returns an object with an invalid oscType
+  
+  const mockFromBuffer = () => ({
+    oscType: 'invalid',
+    data: 'test'
+  });
+  
+  t.throws(() => {
+    decode(Buffer.from('test'), mockFromBuffer);
+  }, /Malformed Packet/, 'should throw for invalid oscType');
+  
+  // Test with undefined oscType
+  const mockFromBufferUndefined = () => ({
+    data: 'test'
+    // missing oscType property
+  });
+  
+  t.throws(() => {
+    decode(Buffer.from('test'), mockFromBufferUndefined);
+  }, /Malformed Packet/, 'should throw for undefined oscType');
+  
+  // Test with null oscType
+  const mockFromBufferNull = () => ({
+    oscType: null,
+    data: 'test'
+  });
+  
+  t.throws(() => {
+    decode(Buffer.from('test'), mockFromBufferNull);
+  }, /Malformed Packet/, 'should throw for null oscType');
+  
+  t.end();
+});
+
+test('decode: message without args defaults to empty array', (t) => {
+  const mockFromBuffer = () => ({
+    oscType: 'message',
+    address: '/test'
+  });
+
+  t.same(
+    decode(Buffer.from('test'), mockFromBuffer),
+    ['/test'],
+    'should default args to empty array'
+  );
+  t.end();
+});
+
+test('decode: bundle element must be message or bundle', (t) => {
+  const mockFromBuffer = () => ({
+    oscType: 'bundle',
+    elements: [
+      {
+        oscType: 'message',
+        address: '/ok',
+        args: []
+      },
+      {
+        oscType: 'nope'
+      }
+    ]
+  });
+
+  t.throws(() => {
+    decode(Buffer.from('test'), mockFromBuffer);
+  }, /Malformed Packet/, 'should throw for invalid bundle element');
+  t.end();
+});