chore(e2e-test): fix snapshot pixel ratio + try to reuse cargo build to reduce cpu consumption

Author: EdouardVanbelle

.github/workflows/playwright.yml

@@ -25,9 +25,22 @@ jobs:
     - name: Install Rust toolchain
       uses: dtolnay/rust-toolchain@stable
 
-    - name: Cache Rust build
+    - name: Cache compiled binary
+      id: binary-cache
+      uses: actions/cache@v4
+      with:
+        path: ${{ github.workspace }}/target/debug/oxicloud
+        key: ${{ runner.os }}-oxicloud-binary-${{ hashFiles('src/**', 'Cargo.toml', 'Cargo.lock') }}
+
+    - name: Cache Rust dependencies
+      if: steps.binary-cache.outputs.cache-hit != 'true'
       uses: Swatinem/rust-cache@v2
 
+    - name: Build server
+      if: steps.binary-cache.outputs.cache-hit != 'true'
+      run: cargo build
+      working-directory: ${{ github.workspace }}
+
     - uses: actions/setup-node@v4
       with:
         node-version: lts/*

tests/e2e/playwright.config.ts

@@ -13,6 +13,9 @@ export default defineConfig({
   use: {
     baseURL: 'http://localhost:8087',
     trace: 'on-first-retry',
+  },
+
+  expect: {
     toHaveScreenshot: { maxDiffPixelRatio: 0.02 },
   },
 
@@ -28,7 +31,7 @@ export default defineConfig({
   ],
 
   webServer: {
-    command: 'cargo run',
+    command: process.env.CI ? `${process.env.GITHUB_WORKSPACE}/target/debug/oxicloud` : 'cargo run',
     url: 'http://localhost:8087',
     timeout: 600_000,
     reuseExistingServer: false,