Updated packages

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "npm" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -0,0 +1,44 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x, 22.x, 24.x]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run tests
+      run: npm test
+
+    - name: Run tests with coverage
+      run: npm run test:coverage
+
+    - name: Upload coverage to Codecov
+      if: matrix.node-version == '20.x'
+      uses: codecov/codecov-action@v3
+      with:
+        file: ./coverage/lcov.info
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false

README.md

@@ -775,6 +775,16 @@ npm test
 
 # Change Log
 
+##### Version 0.3.6
+
+Aided by GitHub Copilot
+* Added additional tests and test coverage
+* Updated loadash to latest stable ^4.17.21
+* Updated seedrandom to latested stable ^3.0.5
+* Updated tests to run on jest ^29.7.0 (from old version of Mocha)
+* Removed expect and using in built Jest in tests
+
+
 ##### Version 0.3.3
 
 * Added `Trigram.hexagrams(position)` method.
@@ -802,6 +812,10 @@ npm test
 
 * initial release
 
+## Status
+
+[![CI](https://github.com/sam-rowe/i-ching/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/sam-rowe/i-ching/actions/workflows/ci.yml)
+
 # <a name="references"></a>References
 
 * [Wilhelm, R. & Baynes, C. (1967). The I ching; or, Book of changes. Princeton, N.J: Princeton University Press](https://www.amazon.com/Ching-Changes-Bollingen-Princeton-University/dp/069109750X) (amazon.com).

debug-test.js

@@ -0,0 +1,43 @@
+const iChing = require('./lib/i-ching.js');
+const data = require('./lib/data.json');
+
+console.log('=== Testing Data Consistency ===');
+// Check if binary matches lines for first few hexagrams
+for (let i = 0; i < 5; i++) {
+  const hex = data.hexagrams[i];
+  const linesJoined = hex.lines.join('');
+  console.log(`H${hex.number}: binary=${hex.binary}, lines=${linesJoined}, match=${hex.binary === linesJoined}`);
+}
+
+console.log('\n=== Testing changeLines ===');
+const h1 = iChing.hexagram(1);
+console.log('H1 lines:', h1.lines);
+console.log('H1 binary:', h1.binary);
+
+try {
+  // Test with invalid values
+  h1.changeLines([1,0,2,0,1,0]);
+  console.log('ERROR: Should have thrown for invalid line value 2');
+} catch(e) {
+  console.log('Correctly threw error for invalid line value:', e.message);
+}
+
+try {
+  const change = h1.changeLines([1,0,0,0,0,0]);
+  console.log('Change result:', {
+    binary: change.binary,
+    toBinary: change.to.binary,
+    toNumber: change.to.number
+  });
+} catch(e) {
+  console.log('Error in changeLines:', e.message);
+}
+
+console.log('\n=== Testing Trigram Position Validation ===');
+const t1 = iChing.trigram(1);
+try {
+  t1.hexagrams('invalid');
+  console.log('ERROR: Should have thrown for invalid position');
+} catch(e) {
+  console.log('Correctly threw error for invalid position:', e.message);
+}