From e08fbfad01857f8b23b116aca578bf1ecab04ac1 Mon Sep 17 00:00:00 2001
From: Alex Hadley <alexhad6@users.noreply.github.com>
Date: Wed, 3 Jan 2024 12:09:54 -0800
Subject: [PATCH] #203 Update GitHub actions to use Playwright

---
 .github/workflows/ci.yml           | 48 ++++++------------------------
 .github/workflows/github-pages.yml | 15 ----------
 tests/e2e/helpers.py               | 10 ++-----
 3 files changed, 12 insertions(+), 61 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2f7586d..45d7cb0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
         run: poetry run mypy ${{ env.PACKAGE_NAME }} tests
 
       - name: Test (Pytest)
-        run: poetry run pytest
+        run: poetry run pytest tests/unit
 
   frontend:
     runs-on: ubuntu-latest
@@ -71,29 +71,14 @@ jobs:
       - name: Enable Yarn
         run: corepack enable
 
-      - name: Get Cypress version
-        id: cypress-version
-        run: echo VERSION=$(yarn info cypress --json | jq ".children.Version" -r) >> $GITHUB_OUTPUT
-
-      - name: Cypress cache
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/Cypress
-          key: cypress-${{ runner.os }}-${{ steps.cypress-version.outputs.VERSION }}
-          restore-keys: |
-            cypress-${{ runner.os }}-
-
       - name: Install Node.js dependencies
         run: yarn
 
-      - name: Prune Cypress cache
-        run: yarn cypress cache prune
-
       - name: Lint
         run: yarn lint
 
       - name: Unit tests
-        run: yarn test:unit
+        run: yarn test
 
   e2e:
     runs-on: ubuntu-latest
@@ -122,39 +107,24 @@ jobs:
       - name: Enable Yarn
         run: corepack enable
 
-      - name: Get Cypress version
-        id: cypress-version
-        run: echo VERSION=$(yarn info cypress --json | jq ".children.Version" -r) >> $GITHUB_OUTPUT
-
-      - name: Cypress cache
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/Cypress
-          key: cypress-${{ runner.os }}-${{ steps.cypress-version.outputs.VERSION }}
-          restore-keys: |
-            cypress-${{ runner.os }}-
-
       - name: Install Node.js dependencies
         run: yarn
 
-      - name: Prune Cypress cache
-        run: yarn cypress cache prune
+      - name: Install Playwright browsers
+        run: poetry run playwright install --with-deps chromium
 
       - name: Build frontend
         run: yarn build
 
-      - name: Start backend server
-        run: yarn backend start &
-
-      - name: Start frontend server
-        run: yarn preview &
+      - name: Start E2E server
+        run: poetry run python tests/e2e/start_server.py &
 
       - name: E2E tests
-        run: yarn test:e2e
+        run: poetry run pytest tests/e2e
 
       - name: Upload failure screenshots
         uses: actions/upload-artifact@v3
         if: failure()
         with:
-          name: e2e-failure-screenshots
-          path: cypress/screenshots
+          name: e2e-failed-traces
+          path: test-results
diff --git a/.github/workflows/github-pages.yml b/.github/workflows/github-pages.yml
index 8332dcb..96fe52b 100644
--- a/.github/workflows/github-pages.yml
+++ b/.github/workflows/github-pages.yml
@@ -36,24 +36,9 @@ jobs:
       - name: Enable Yarn
         run: corepack enable
 
-      - name: Get Cypress version
-        id: cypress-version
-        run: echo VERSION=$(yarn info cypress --json | jq ".children.Version" -r) >> $GITHUB_OUTPUT
-
-      - name: Cypress cache
-        uses: actions/cache@v3
-        with:
-          path: ~/.cache/Cypress
-          key: cypress-${{ runner.os }}-${{ steps.cypress-version.outputs.VERSION }}
-          restore-keys: |
-            cypress-${{ runner.os }}-
-
       - name: Install Node.js dependencies
         run: yarn
 
-      - name: Prune Cypress cache
-        run: yarn cypress cache prune
-
       - name: Build frontend
         run: yarn build
 
diff --git a/tests/e2e/helpers.py b/tests/e2e/helpers.py
index 721ae95..ffe1c7b 100644
--- a/tests/e2e/helpers.py
+++ b/tests/e2e/helpers.py
@@ -86,14 +86,10 @@ def commit_to_db(data: Any | None = None, message: str | None = None) -> None:
 def reset_db(num_commits: int = 1) -> None:
     """Clear the database and make some initial commits."""
     clear_db()
-    with freeze_time(get_datetime(1)):
+    with freeze_time(_START_DATETIME):
         param = CustomParam(int=123, str="test")
-        # Convert last updated from freezegun.api.FakeDatetime to a true datetime
-        setattr(
-            param,
-            "_Param__last_updated",
-            datetime.fromtimestamp(param.last_updated.timestamp()),
-        )
+        # Use real datetime for last updated (rather than freezegun.api.FakeDatetime)
+        setattr(param, "_Param__last_updated", _START_DATETIME)
         initial_data = ParamDict(
             {
                 "commit_id": 1,