Added jest tests (#17)

* test: add Jest configuration and initial test for splitConstants function

Author: umanamente

.github/workflows/release.yml

@@ -2,17 +2,22 @@ name: Release
 on:
   push:
     branches:
-      - master
+      - '**'
+  pull_request:
 
 permissions:
-  contents: read # for checkout
+  contents: write
+  checks: write
+  pull-requests: write
 
 jobs:
   build:
     name: Build
     runs-on: ubuntu-latest
     permissions:
-      contents: read # for checkout
+      checks: write # for jest-coverage-report
+      contents: write # for checkout
+      pull-requests: write # for jest-coverage-report
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -26,6 +31,12 @@ jobs:
         run: npm clean-install
       - name: Verify the integrity of provenance attestations and registry signatures for installed dependencies
         run: npm audit signatures
+      - name: Jest Coverage Report
+        uses: ArtiomTr/jest-coverage-report-action@v2
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          skip-step: install
+          test-script: npm test -- --coverage
       - name: Build and test
         run: npm run prepublishOnly
 
@@ -53,6 +64,8 @@ jobs:
         run: npm clean-install
       - name: Verify the integrity of provenance attestations and registry signatures for installed dependencies
         run: npm audit signatures
+      - name: Run tests with coverage
+        run: npm run test:coverage
       - name: Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -6,3 +6,4 @@ dist
 npm-debug.log*
 yarn.lock
 .vscode/launch.json
+coverage/

jest.config.js

@@ -0,0 +1,16 @@
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  roots: ['<rootDir>/test'],
+  testMatch: ['**/test/**/*.test.ts', '**/test/**/*.spec.ts'],
+  transform: {
+    '^.+\\.ts$': 'ts-jest',
+  },
+  collectCoverageFrom: [
+    'credentials/**/*.ts',
+    'nodes/**/*.ts',
+    '!**/*.node.ts',
+    '!**/*.credentials.ts',
+  ],
+  moduleFileExtensions: ['ts', 'js', 'json'],
+};