Modify CI workflow

Author: nullskill

.github/workflows/ci.yml

@@ -1,25 +1,65 @@
 name: CI
-on: 
+on:
+  workflow_dispatch:
   push:
     branches:
-      - main
-
+    - "main"
+    paths:
+    - "lib/**.dart"
+    - "test/**.dart"
+  pull_request:
+    branches:
+    - "main"
+    paths:
+    - "lib/**.dart"
+    - "test/**.dart"
+  
 jobs:
-  dart-test:
-    name: Run Dart test and analyze
+  checkout:
+    name: "Checkout"
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./
+    container:
+      image: dart:stable
+    timeout-minutes: 10
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
+    - name: 🚂 Get latest code
+      uses: actions/checkout@v2
+
+    - name: 🚃 Cache pub modules
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-leetcode-pub
+        with:
+        path: |
+            $PWD/.pub_cache/
+        key: ${{ runner.os }}-leetcode
+
+    - name: 🗄️ Export pub cache directory
+      run: export PUB_CACHE=$PWD/.pub_cache/
+
+    - name: 👷 Install Dependencies
+      timeout-minutes: 1
+      run: dart pub get
 
-      - name: Set up Dart
-        uses: dart-lang/setup-dart@v1
+    - name: 🔎 Check format
+      timeout-minutes: 1
+      run: dart format --set-exit-if-changed -l 120 -o none .
 
-      - name: Install dependencies
-        run: dart pub get
+    - name: 📈 Check analyzer
+      timeout-minutes: 1  
+      run: dart analyze --fatal-infos --fatal-warnings lib
 
-      - name: Analyze project source
-        run: dart analyze
+    - name: 🧪 Run tests
+      timeout-minutes: 2
+      run: |
+        dart run coverage:test_with_coverage -fb -o coverage -- \
+          --concurrency=6 --platform vm --coverage=./coverage --reporter=expanded test/leetcode_test.dart
 
-      - name: Run tests
-        run: dart test
+    - name: 📥 Upload coverage to Codecov
+      timeout-minutes: 1
+      uses: codecov/codecov-action@v2.1.0
+    #   with:
+    #     token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos