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path: root/.github/workflows/ios.yml
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---
name: iOS app
on:
  pull_request:
    paths:
      - .github/workflows/ios.yml
      - ios/build-rust-library.sh
      - ios/.swiftformat
      - ios/**/*.swift
      - ios/**/*.xctestplan
  workflow_dispatch:

permissions: {}

jobs:
  check-formatting:
    name: Check formatting
    runs-on: macos-15
    steps:
      - name: Install SwiftFormat
        run: |
          brew update
          brew upgrade swiftformat

      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Check formatting
        run: |
          swiftformat --version
          swiftformat --lint .
        working-directory: ios

  swiftlint:
    name: Run swiftlint
    runs-on: macos-15
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Run swiftlint
        run: |
          brew install swiftlint
          swiftlint --version
          swiftlint --reporter github-actions-logging
        working-directory: ios

  test:
    name: Unit tests
    runs-on: macos-15-xlarge
    env:
      SOURCE_PACKAGES_PATH: .spm
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Configure cache
        uses: actions/cache@v3
        with:
          path: ios/${{ env.SOURCE_PACKAGES_PATH }}
          key: ${{ runner.os }}-spm-${{ hashFiles('ios/**/Package.resolved') }}
          restore-keys: |
            ${{ runner.os }}-spm-

      - name: Setup go-lang
        uses: actions/setup-go@v3
        with:
          go-version: 1.21.13

      - name: Install xcbeautify
        run: |
          brew update
          brew install xcbeautify

      - name: Install protobuf
        run: |
          brew update
          brew install protobuf

      - name: Configure Xcode
        uses: maxim-lobanov/setup-xcode@v1
        with:
          xcode-version: '16.1'
      - name: Configure Rust
        # Since the https://github.com/actions/runner-images/releases/tag/macos-13-arm64%2F20240721.1 release
        # Brew does not install tools at the correct location anymore
        # This update broke the rust build script which was assuming the cargo binary was located in ~/.cargo/bin/cargo
        # The workaround is to fix brew paths by running brew bundle dump, and then brew bundle
        # WARNING: This has to be the last brew "upgrade" commands that is ran,
        # otherwise the brew path will be broken again.
        run: |
          brew bundle dump
          brew bundle
          rustup default stable
          rustup update stable
          rustup target add aarch64-apple-ios-sim

      - name: Configure Xcode project
        run: |
          cp Base.xcconfig.template Base.xcconfig
          cp App.xcconfig.template App.xcconfig
          cp PacketTunnel.xcconfig.template PacketTunnel.xcconfig
          cp Screenshots.xcconfig.template Screenshots.xcconfig
          cp Api.xcconfig.template Api.xcconfig
        working-directory: ios/Configurations

      - name: Run unit tests
        run: |
          set -o pipefail && env NSUnbufferedIO=YES xcodebuild \
            -project MullvadVPN.xcodeproj \
            -scheme MullvadVPN \
            -testPlan MullvadVPNCI \
            -destination "platform=iOS Simulator,name=iPhone 16" \
            -clonedSourcePackagesDirPath "$SOURCE_PACKAGES_PATH" \
            -disableAutomaticPackageResolution \
            -resultBundlePath xcode-test-report \
            test 2>&1 | xcbeautify
        working-directory: ios/

      - name: Archive test report
        if: always()
        run: zip -r test-report.zip ios/xcode-test-report.xcresult

      - name: Store test report artifact
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: test-report
          path: test-report.zip