tests for voice

.github/workflows/test.yml

···
+name: NPM Audit Check
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  schedule:
+    - cron: '15 16 * * 5'
+  
+jobs:
+
+  npm_audit:
+    name: Check NPM audit
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    strategy:
+      fail-fast: true
+    permissions:
+      contents: read
+
+    steps:
+    - name: Checkout repository
+      uses: https://github.com/actions/checkout@v4
+    
+    - name: Setup nodejs
+      uses: https://github.com/actions/setup-node@v4
+
+    - name: Install dependencies
+      run: npm ci
+    
+    - run: npm test
+      name: Run tests

.gitignore

···
 config/config.json5
 distribution/
 .env
+test/*.js*

package-lock.json

···
       },
       "devDependencies": {
         "@types/node": "24.3.0",
-        "typescript": "5.9.2"
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+        "vitest": "3.2.4"
+      }
+    },
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+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "license": "MIT",
+      "optional": true,
+      "os": [
+        "aix"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
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+        "vite-node": "3.2.4",
+        "why-is-node-running": "^2.3.0"
+      },
+      "bin": {
+        "vitest": "vitest.mjs"
+      },
+      "engines": {
+        "node": "^18.0.0 || ^20.0.0 || >=22.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "@edge-runtime/vm": "*",
+        "@types/debug": "^4.1.12",
+        "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0",
+        "@vitest/browser": "3.2.4",
+        "@vitest/ui": "3.2.4",
+        "happy-dom": "*",
+        "jsdom": "*"
+      },
+      "peerDependenciesMeta": {
+        "@edge-runtime/vm": {
+          "optional": true
+        },
+        "@types/debug": {
+          "optional": true
+        },
+        "@types/node": {
+          "optional": true
+        },
+        "@vitest/browser": {
+          "optional": true
+        },
+        "@vitest/ui": {
+          "optional": true
+        },
+        "happy-dom": {
+          "optional": true
+        },
+        "jsdom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
···
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
+      }
+    },
+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
       }
     }
   }

package.json

···
   "type": "module",
   "main": "distribution/index.js",
   "scripts": {
-    "build": "npx tsc",
-    "start": "node distribution/index.js"
+    "build": "tsc",
+    "start": "node distribution/index.js",
+    "test": "vitest"
   },
   "dependencies": {
     "json5": "2.2.3",
···
   },
   "devDependencies": {
     "typescript": "5.9.2",
-    "@types/node": "24.3.0"
+    "@types/node": "24.3.0",
+    "vitest": "3.2.4"
   }
 }

src/voice.ts

···
         tokens.push(LINES.POINT);
         tokens.push(...digitByDigit(parts[1]));
     }
-    return tokens.map(l => path.join(voice.directory, `${l}.${voice.extension}`));
+    return tokens.map(l => path.join(voice.directory, `${l}${voice.extension.length > 0 && voice.extension.charAt(0) !== '.' ? '.' : ''}${voice.extension}`));
 }
 
 export default voiceLines;
-export { voiceLines };
+export { voiceLines, LINES };
 export type { Voice, Voices };

test/voice.test.ts

···
+import { assert, describe, expect, it } from 'vitest'
+import { voiceLines, LINES } from '../src/voice.js';
+import type { Voice } from '../src/voice.js';
+
+const dummyVoice: Voice = {
+    'directory': '',
+    'extension': ''
+};
+
+describe('voiceLines', () => {
+    it('handles integers', () => {
+        expect(voiceLines(dummyVoice, 16549872)).to.include.ordered.members(
+            [
+                LINES.SIX, LINES.TEEN, LINES.MILLION, LINES.FIVE, LINES.HUNDRED, LINES.FORTY,
+                LINES.NINE, LINES.THOUSAND, LINES.EIGHT, LINES.HUNDRED, LINES.SEVENTY, LINES.TWO
+            ]
+        );
+    });
+
+    it('handles floating point', () => {
+        expect(voiceLines(dummyVoice, 672.09435)).to.include.ordered.members(
+            [
+                LINES.SIX, LINES.HUNDRED, LINES.SEVENTY, LINES.TWO, LINES.POINT, LINES.ZERO,
+                LINES.NINE, LINES.FOUR, LINES.THREE, LINES.FIVE
+            ]
+        );
+    });
+
+    it('handles the negative', () => {
+        expect(voiceLines(dummyVoice, -672.09435)).to.include.ordered.members(
+            [
+                LINES.NEGATIVE, LINES.SIX, LINES.HUNDRED, LINES.SEVENTY, LINES.TWO, LINES.POINT, LINES.ZERO,
+                LINES.NINE, LINES.FOUR, LINES.THREE, LINES.FIVE
+            ]
+        );
+    });
+
+    it('handles zero', () => {
+        expect(voiceLines(dummyVoice, 0)).to.include.ordered.members(
+            [
+                LINES.ZERO
+            ]
+        );
+    });
+
+    it('handles large numbers with many zeroes', () => {
+        expect(voiceLines(dummyVoice, 700000000000001)).to.include.ordered.members(
+            [
+                LINES.SEVEN, LINES.HUNDRED, LINES.TRILLION, LINES.ONE
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 1000001)).to.include.ordered.members(
+            [
+                LINES.ONE, LINES.MILLION, LINES.ONE
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 9000000001000)).to.include.ordered.members(
+            [
+                LINES.NINE, LINES.TRILLION, LINES.ONE, LINES.THOUSAND
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 60002000000000.12)).to.include.ordered.members(
+            [
+                LINES.SIXTY, LINES.TRILLION, LINES.TWO, LINES.BILLION, LINES.POINT, LINES.ONE, LINES.TWO
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 100010001)).to.include.ordered.members(
+            [
+                LINES.ONE, LINES.HUNDRED, LINES.MILLION, LINES.TEN, LINES.THOUSAND, LINES.ONE
+            ]
+        );
+    });
+
+    it('handles irregularly named numbers', () => {
+        expect(voiceLines(dummyVoice, 210)).to.include.ordered.members(
+            [
+                LINES.TWO, LINES.HUNDRED, LINES.TEN
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 311)).to.include.ordered.members(
+            [
+                LINES.THREE, LINES.HUNDRED, LINES.ELEVEN
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 412)).to.include.ordered.members(
+            [
+                LINES.FOUR, LINES.HUNDRED, LINES.TWELVE
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 513)).to.include.ordered.members(
+            [
+                LINES.FIVE, LINES.HUNDRED, LINES.THIRTEEN
+            ]
+        );
+
+        expect(voiceLines(dummyVoice, 615)).to.include.ordered.members(
+            [
+                LINES.SIX, LINES.HUNDRED, LINES.FIFTEEN
+            ]
+        );
+    });
+
+    it('returns empty array if value is unsupported', () => {
+        expect(voiceLines(dummyVoice, Infinity)).length.to.be.empty;
+        expect(voiceLines(dummyVoice, -Infinity)).length.to.be.empty;
+        expect(voiceLines(dummyVoice, NaN)).length.to.be.empty;
+        expect(voiceLines(dummyVoice, 1e21)).length.to.be.empty;
+    });
+});

tsconfig.json

···
     "moduleResolution": "node16",
     "sourceMap": true,
     "inlineSources": true,
-    "rootDir": "./src",
+    "rootDir": "./",
     "outDir": "./distribution"
   },
-  "include": ["src/**/*"],
+  "include": ["src/**/*", "test/**/*"],
   "exclude": ["**/*.spec.ts"]
 }