Add unit testing (#28)

* Init ava unit testing

* 👷 Run unit tests in CI

* Add CI status badge to README

* Add c8 code coverage

* Fix prebuilding of test files

* Fix c8 coverage and cleanup config

* 👷 Add coverage to CI

.c8rc

@@ -0,0 +1,11 @@
+{
+  "reporter": [
+    "json",
+    "text-summary"
+  ],
+  "extension": [
+      ".ts"
+  ],
+  "sourceMap": true,
+  "exclude-after-remap": true
+}

.github/workflows/test.yml

@@ -0,0 +1,51 @@
+name: Tests
+on: [ push ]
+
+jobs:
+  unit:
+    name: Unit tests
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    if: github.event.pull_request.draft == false
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: npm i
+
+      - name: Prebuild files
+        run: npm run test:prebuild
+
+      - name: Run ava unit tests
+        run: npm run test:ava
+
+  coverage:
+    name: Code coverage
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+    if: github.event.pull_request.draft == false
+    steps:
+      - uses: actions/checkout@v4
+
+      - run: npm i
+
+      - name: Prebuild files
+        run: npm run test:prebuild
+
+      - name: Run c8 coverage
+        run: |
+          echo "LINE_COVERAGE=$(npm run coverage:test:ava | grep -E '^\s*Lines\s*:\s*[0-9]+(\.[0-9]+)?%' | awk '{print $3}' | tr -d '%')" >> $GITHUB_ENV
+
+      - name: Update coverage badge
+        uses: schneegans/[email protected]
+        with:
+          auth: ${{ secrets.GIST_SECRET }}
+          gistID: 615b7906cd71effb447c4b08673d2cb6
+          filename: latch-coverage.json
+          label: Coverage
+          message: ${{ env.LINE_COVERAGE }}
+          valColorRange: ${{ env.LINE_COVERAGE }}
+          maxColorRange: 100
+          minColorRange: 0
+

.gitignore

@@ -39,9 +39,17 @@ lib/*.js
 test/*.js
 *.map
 
+# Project specific
 WABT
 core/
 
 dist/
 
+# IDE folders
 .idea
+
+# built ava test files
+out
+
+# c8 Coverage
+coverage

README.md

@@ -6,6 +6,8 @@
   </p>
 
   <a href="https://doi.org/10.1016/j.scico.2024.103157"><img src="https://img.shields.io/badge/DOI-10.1016%2Fj.scico.2024.103157-blue.svg"></a>
+  <a href="https://github.com/TOPLLab/latch/actions/workflows/test.yml"><img src="https://github.com/TOPLLab/latch/actions/workflows/test.yml/badge.svg"></a>
+  <a href="https://github.com/TOPLLab/latch/actions/workflows/test.yml"><img src="https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/tolauwae/615b7906cd71effb447c4b08673d2cb6/raw/latch-coverage.json"></a>
 
 <b>
     <a href="https://topllab.github.io/WARDuino/guide/latch.html">Documentation</a>
@@ -22,7 +24,7 @@ git clone [email protected]:TOPLLab/latch.git
 cd latch
 npm install
 npm run build
-npm run test
+npm run tests
 ```
 
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