ci: move test matrix and end-to-end to PR workflow

All tests belong in the PR gate where they can block merges.
The main workflow now only runs fuzz tests, which are too slow
for PRs but useful as a post-merge smoke test.

Author: oetr

.github/workflows/run-all-tests-main.yaml

@@ -1,57 +1,12 @@
-name: "🔍 Tests Main"
+name: "🔍 Fuzz Tests"
 on:
   push:
     branches: [main]
-  merge_group:
   workflow_dispatch:
 concurrency:
-  group:
-    ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
 jobs:
-  tests:
-    name: tests
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [windows-latest, ubuntu-latest, macos-latest]
-        node: [20]
-        include:
-          # Floor: legacy compatibility check
-          - os: ubuntu-latest
-            node: 14
-          # Ceiling: current LTS
-          - os: ubuntu-latest
-            node: 24
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - uses: actions/cache@v3
-        id: cache-fuzzer
-        with:
-          path: |
-            packages/fuzzer/prebuilds
-          key:
-            fuzzer-cache-${{ matrix.os }}-${{
-            hashFiles('packages/fuzzer/CMakeLists.txt',
-            'packages/fuzzer/**/*.h', 'packages/fuzzer/**/*.cpp') }}
-      - name: node
-        uses: actions/setup-node@v3
-        with:
-          node-version: ${{ matrix.node }}
-          cache: "npm"
-      - name: MSVC (windows)
-        uses: ilammy/msvc-dev-cmd@v1
-        if: contains(matrix.os, 'windows')
-      - name: install dependencies
-        run: npm ci
-      - name: build project
-        run: npm run build
-      - name: build fuzzer
-        if: ${{ steps.cache-fuzzer.outputs.cache-hit != 'true' }}
-        run: npm run build --workspace=@jazzer.js/fuzzer
-      - name: run all tests
-        run: npm run test
   fuzz_tests:
     name: fuzz tests
     runs-on: ubuntu-latest
@@ -81,45 +36,3 @@ jobs:
         run: npm run build --workspace=@jazzer.js/fuzzer
       - name: run all fuzz tests
         run: node fuzztests/runFuzzTests.js
-  end-to-end:
-    name: end-to-end
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      # Build with node.js 22
-      - name: node
-        uses: actions/setup-node@v3
-        with:
-          node-version: 22
-          cache: "npm"
-      - name: pack jazzer.js
-        run: cd end-to-end && ./package-jazzer-js.sh
-      - name: build example
-        run: cd end-to-end && npm install --save-dev *.tgz && npm run build
-
-      # Run with different node.js versions
-      # all in one job to avoid rebuilding
-      - name: "node 14"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 14
-          cache: "npm"
-      - name: run tests
-        run: cd end-to-end && npx jest
-
-      - name: "node 20"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 20
-          cache: "npm"
-      - name: run tests
-        run: cd end-to-end && npx jest
-
-      - name: "node 24"
-        uses: actions/setup-node@v3
-        with:
-          node-version: 24
-          cache: "npm"
-      - name: run tests
-        run: cd end-to-end && npx jest

.github/workflows/run-all-tests-pr.yaml

@@ -39,8 +39,14 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, ubuntu-latest, macos-latest]
-        # Test only latest LTS version in PRs
         node: [20]
+        include:
+          # Floor: legacy compatibility check
+          - os: ubuntu-latest
+            node: 14
+          # Ceiling: current LTS
+          - os: ubuntu-latest
+            node: 24
     steps:
       - name: checkout
         uses: actions/checkout@v3
@@ -70,10 +76,53 @@ jobs:
         run: npm run build --workspace=@jazzer.js/fuzzer
       - name: run all tests
         run: npm run test
+  end-to-end:
+    name: end-to-end
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+      # Build with node.js 22
+      - name: node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 22
+          cache: "npm"
+      - name: pack jazzer.js
+        run: cd end-to-end && ./package-jazzer-js.sh
+      - name: build example
+        run: cd end-to-end && npm install --save-dev *.tgz && npm run build
+
+      # Run with different node.js versions
+      # all in one job to avoid rebuilding
+      - name: "node 14"
+        uses: actions/setup-node@v3
+        with:
+          node-version: 14
+          cache: "npm"
+      - name: run tests
+        run: cd end-to-end && npx jest
+
+      - name: "node 20"
+        uses: actions/setup-node@v3
+        with:
+          node-version: 20
+          cache: "npm"
+      - name: run tests
+        run: cd end-to-end && npx jest
+
+      - name: "node 24"
+        uses: actions/setup-node@v3
+        with:
+          node-version: 24
+          cache: "npm"
+      - name: run tests
+        run: cd end-to-end && npx jest
   auto-merge:
     needs:
       - linting
       - tests
+      - end-to-end
     permissions:
       pull-requests: write
       contents: write