Fix signature of functions in log and logValues and add tests

packages/core/pattern.mjs

@@ -852,14 +852,14 @@ export class Pattern {
     );
   }
 
-  log(func = (_, hap) => `[hap] ${hap.showWhole(true)}`, getData = (_, hap) => ({ hap })) {
+  log(func = (hap) => `[hap] ${hap.showWhole(true)}`, getData = (hap) => ({ hap })) {
     return this.onTrigger((...args) => {
       logger(func(...args), undefined, getData(...args));
     }, false);
   }
 
   logValues(func = id) {
-    return this.log((_, hap) => func(hap.value));
+    return this.log((hap) => func(hap.value));
   }
 
   //////////////////////////////////////////////////////////////////////

packages/core/test/pattern.test.mjs

@@ -6,7 +6,7 @@ This program is free software: you can redistribute it and/or modify it under th
 
 import Fraction from 'fraction.js';
 
-import { describe, it, expect } from 'vitest';
+import { describe, it, expect, vi } from 'vitest';
 
 import {
   TimeSpan,
@@ -55,6 +55,8 @@ import {
   expand,
 } from '../index.mjs';
 
+import { log, logValues } from '../pattern.mjs'
+
 import { steady } from '../signal.mjs';
 
 import { n, s } from '../controls.mjs';
@@ -1306,4 +1308,40 @@ describe('Pattern', () => {
       );
     });
   });
+  describe('log', () => {
+    it('logs to console', () => {
+      const mockConsoleLog = vi.spyOn(console, 'log').mockImplementation(() => {});
+      const pattern = pure('a').log()
+      const haps = pattern.queryArc(0, 1);  // query during first time arc
+
+      // Force a trigger
+      haps.forEach(hap => {
+        hap.context?.onTrigger?.(hap);
+      });
+
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        '%c[hap] 0/1 → 1/1: a',
+        'background-color: black;color:white;border-radius:15px',
+      );
+      mockConsoleLog.mockRestore();
+    });
+  });
+  describe('logValues', () => {
+    it('logs values to console', () => {
+      const mockConsoleLog = vi.spyOn(console, 'log').mockImplementation(() => {});
+      const pattern = pure('a').note("c#").log()
+      const haps = pattern.queryArc(0, 1);  // query during first time arc
+
+      // Force a trigger
+      haps.forEach(hap => {
+        hap.context?.onTrigger?.(hap);
+      });
+
+      expect(mockConsoleLog).toHaveBeenCalledWith(
+        '%c[hap] 0/1 → 1/1: value:a note:c#',
+        'background-color: black;color:white;border-radius:15px',
+      );
+      mockConsoleLog.mockRestore();
+    });
+  });
 });