update build workflow

Author: floribe2000

.github/workflows/build.yaml

@@ -2,10 +2,11 @@ name: Build and demo testrunner
 
 on:
   push:
+  workflow_dispatch:
 
 jobs:
   build:
-    runs-on: self-hosted
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: erlef/setup-beam@v1
@@ -23,6 +24,28 @@ jobs:
       - name: Build escript executable
         run: MIX_ENV=prod mix escript.build
 
+      - name: Upload testrunner executable
+        uses: actions/upload-artifact@v4
+        with:
+          name: 'testrunner'
+          path: 'out/testrunner'
+          retention-days: 1
+
+  execute:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v4
+      - uses: erlef/setup-beam@v1
+        with:
+          elixir-version: '1.16.x'
+          otp-version: '26.x'
+      - name: Download compiled binary
+        uses: actions/download-artifact@v4
+        with:
+          name: 'testrunner'
+          path: 'testrunner'
+
       # build plt first
       - name: Print dialyzer info
         run: dialyzer --build_plt --apps erts kernel stdlib || true
@@ -36,18 +59,42 @@ jobs:
       - name: Print ety info # has no version yet
         run: ./ety || true
 
-      - name: Print eqWAlizer info 
+      - name: Print eqWAlizer info
         run: ./elp version
 
-      - name: Print timeout info 
+      - name: Print timeout info
         run: ./timeout -t 10 -m 2000000 echo OK
 
       - name: Execute Runner on test suites
-        run: out/testrunner -s etylizer-src,dialyzer-src,gradualizer-src,eqwalizer-src
-        
-      - name: Archive test results
+        run: testrunner -s etylizer-src,dialyzer-src,gradualizer-src,eqwalizer-src
 
+      - name: Archive test results
         uses: actions/upload-artifact@v4
         with:
           name: test-report
           path: test_results.json
+
+  reports:
+    runs-on: ubuntu-latest
+    needs: execute
+    steps:
+      - uses: actions/checkout@v4
+      - name: Download test results
+        uses: actions/download-artifact@v4
+        with:
+          name: test-report
+          path: report-generator/test_results.json
+      - name: Setup Java 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '21'
+      - name: Run report generator
+        run: ./gradlew run --args="test_results.json"
+        working-directory: report-generator
+      - name: Upload plots
+        uses: actions/upload-artifact@v4
+        with:
+          path: 'report-generator/report-output/'
+          name: 'report-output'
+          retention-days: 14