Configure code coverage using Codecov (#926)

.github/workflows/codecov.yml

@@ -0,0 +1,95 @@
+name: Codecov
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  backend:
+    name: Backend
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+    env:
+      CARGO_TERM_COLOR: always
+      SQLX_OFFLINE: "true"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Rust Nightly
+        shell: bash
+        run: >
+          rustup update nightly &&
+          rustup default nightly &&
+          echo RUST_VERSION=$(rustc --version | awk -F '[( ]' '{print $4}') >> $GITHUB_ENV
+      - name: Install Binstall
+        uses: cargo-bins/cargo-binstall@main
+      - name: Install Tarpaulin
+        run: cargo binstall cargo-tarpaulin
+      - name: Install Nextest
+        run: cargo binstall cargo-nextest
+      - name: Cargo cache
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            ./backend/target/
+          key: ${{ runner.os }}-cargo-${{ env.RUST_VERSION }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo-${{ env.RUST_VERSION }}-
+      - name: Run tests
+        run: cargo nextest run --profile ci
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: ./target/nextest/ci/junit.xml
+      - name: Generate code coverage
+        run: cargo --verbose --locked tarpaulin --timeout 120 --out xml
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+  frontend:
+    name: Frontend
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: frontend
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+      - name: Install dependencies
+        run: npm ci
+      - name: Run Vite build to report bundle size
+        run: npx vite build --config vite.config.ts
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      - name: Run tests with coverage
+        run: npx vitest run --coverage --reporter=junit --outputFile=test-report.junit.xml
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+      - name: Upload test results to Codecov
+        if: ${{ !cancelled() }}
+        uses: codecov/test-results-action@v1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

backend/.config/nextest.toml

@@ -0,0 +1,2 @@
+[profile.ci.junit]
+path = "junit.xml"

backend/.gitignore

@@ -3,3 +3,4 @@
 /target-docker/
 db.sqlite*
 /templates/**/*.pdf
+cobertura.xml

frontend/.gitignore

@@ -26,7 +26,9 @@ translations
 *.sln
 *.sw?
 test-results
+coverage
 mock
+test-report.junit.xml
 
 # Automatically created: https://github.com/mswjs/msw/discussions/1015#discussioncomment-1747585
 mockServiceWorker.js

frontend/README.md

@@ -72,6 +72,26 @@ npm run ladle
 
 And open Ladle at http://localhost:61000/.
 
+## Production build
+
+Prerequisites:
+
+- [Node](https://nodejs.org) v22
+
+Install npm dependencies, skipping development dependencies:
+
+```sh
+npm clean-install --omit=dev
+```
+
+Build the frontend:
+
+```sh
+npm run build
+```
+
+The built frontend is located in the `dist` directory.
+
 ## Structure
 
 ### Dependencies
@@ -81,14 +101,14 @@ The application uses the following dependencies:
 - `react`: creating efficient, declarative, and component-based web applications.
 - `react-dom`: DOM implementation for rendering UI
 - `react-router`: Handling browser routing for React applications
+- `vite`: frontend build tool
+- `postcss` and `autoprefixer`: CSS post processors
 
 #### Development dependencies
 
 - `typescript`: Strongly typed layer on top of JavaScript
 - `msw`: Mock Service Worker for mocking the server, client side
-- `vite`: frontend build tool
 - `ladle`: simple development and test environment for UI components
-- `postcss` and `autoprefixer`: CSS post processors
 - `lefthook`: git hook automation
 - `cross-env`: for building on Windows