[1.x] Fix CI, run lint, reduce end-to-end tests flakiness

.github/workflows/build.yml

@@ -27,7 +27,8 @@ jobs:
       - name: Lint the extension
         run: |
           set -eux
-          jlpm
+          jlpm install
+          jlpm run lint:check
 
       - name: Test the extension
         run: |
@@ -94,59 +95,3 @@ jobs:
           jupyter labextension list
           jupyter labextension list 2>&1 | grep -ie "@jupyterlab/scheduler.*OK"
           python -m jupyterlab.browser_check --no-chrome-test
-
-  integration-tests:
-    name: Integration tests
-    needs: build
-    runs-on: ubuntu-latest
-
-    env:
-      PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/pw-browsers
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Base Setup
-        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
-
-      - name: Download extension package
-        uses: actions/download-artifact@v2
-        with:
-          name: extension-artifacts
-
-      - name: Install the extension
-        run: |
-          set -eux
-          python -m pip install "jupyterlab~=3.1" jupyter_scheduler*.whl
-
-      - name: Install dependencies
-        working-directory: ui-tests
-        env:
-          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
-        run: jlpm install
-
-      - name: Set up browser cache
-        uses: actions/cache@v2
-        with:
-          path: |
-            ${{ github.workspace }}/pw-browsers
-          key: ${{ runner.os }}-${{ hashFiles('ui-tests/yarn.lock') }}
-
-      - name: Install browser
-        run: jlpm playwright install chromium
-        working-directory: ui-tests
-
-      - name: Execute integration tests
-        working-directory: ui-tests
-        run: |
-          jlpm playwright test
-
-      - name: Upload Playwright Test report
-        if: always()
-        uses: actions/upload-artifact@v2
-        with:
-          name: jupyter_scheduler-playwright-tests
-          path: |
-            ui-tests/test-results
-            ui-tests/playwright-report

.github/workflows/e2e-tests.yml

@@ -0,0 +1,71 @@
+name: E2E Tests
+
+# suppress warning raised by https://github.com/jupyter/jupyter_core/pull/292
+env:
+  JUPYTER_PLATFORM_DIRS: '1'
+
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: '*'
+
+jobs:
+  e2e-tests:
+    name: Linux
+    runs-on: ubuntu-latest
+
+    env:
+      PLAYWRIGHT_BROWSERS_PATH: ${{ github.workspace }}/pw-browsers
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Install extension dependencies
+        run: python -m pip install -U jupyterlab~=3.1
+
+      - name: Build the extension
+        run: |
+          set -eux
+          python -m pip install .
+
+          jupyter server extension list
+          jupyter server extension list 2>&1 | grep -ie "jupyter_scheduler.*OK"
+
+          jupyter labextension list
+          jupyter labextension list 2>&1 | grep -ie "@jupyterlab/scheduler.*OK"
+          python -m jupyterlab.browser_check
+
+      - name: Install ui-tests dependencies
+        working-directory: ui-tests
+        env:
+          PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD: 1
+        run: jlpm install
+
+      - name: Set up browser cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ${{ github.workspace }}/pw-browsers
+          key: ${{ runner.os }}-${{ hashFiles('ui-tests/yarn.lock') }}
+
+      - name: Install browser
+        working-directory: ui-tests
+        run: jlpm playwright install chromium
+
+      - name: Execute integration tests
+        working-directory: ui-tests
+        run: jlpm test
+
+      - name: Upload Playwright Test report
+        if: always()
+        uses: actions/upload-artifact@v2
+        with:
+          name: jupyter_scheduler-playwright-tests-linux
+          path: |
+            ui-tests/test-results
+            ui-tests/playwright-report

.github/workflows/update-integration-tests.yml

@@ -2,6 +2,10 @@ name: Update Playwright Snapshots
 
 on:
   workflow_dispatch:
+    inputs:
+      number:
+        description: 'PR number'
+        required: true
   issue_comment:
     types: [created, edited]
 
@@ -10,10 +14,8 @@ permissions:
   pull-requests: write
 
 jobs:
-
-
   update-snapshots:
-    if: ${{ github.event.issue.pull_request && contains(github.event.comment.body, 'please update playwright snapshots') }}
+    if: ${{ github.event.inputs || (github.event.issue.pull_request && contains(github.event.comment.body, 'please update playwright snapshots')) }}
     runs-on: ubuntu-latest
 
     steps:
@@ -26,7 +28,7 @@ jobs:
         run: git config --global hub.protocol https
 
       - name: Checkout the branch from the PR that triggered the job
-        run: hub pr checkout ${{ github.event.issue.number }}
+        run: hub pr checkout ${{ github.event.inputs.number || github.event.issue.number }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
@@ -36,7 +38,7 @@ jobs:
           python_version: '3.11'
 
       - name: Install dependencies
-        run: python -m pip install -U jupyterlab~=3.1 jupyter-archive
+        run: python -m pip install -U jupyterlab~=3.1
 
       - name: Install extension
         run: |
@@ -50,3 +52,5 @@ jobs:
           # Playwright knows how to start JupyterLab server
           start_server_script: 'null'
           test_folder: ui-tests
+          # use jlpm (not default yet)
+          npm_client: jlpm

.gitignore

@@ -125,3 +125,10 @@ dev/jobs
 
 # jupyter releaser local checkout
 .jupyter_releaser_checkout
+
+# Yarn 3 cache
+.yarn
+
+# Jest coverage reports and a side effect
+coverage
+junit.xml