name: sqlx-cli

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  # tests `cargo sqlx prepare` using `examples/postgres/todos/`
  test-prepare:
    runs-on: ubuntu-latest

    services:
      postgres:
        image: postgres:12
        env:
          POSTGRES_USER: postgres
          POSTGRES_PASSWORD: postgres
          POSTGRES_DB: todos
        ports:
          # will assign a random free host port
          - 5432/tcp
        # needed because the postgres container does not provide a healthcheck
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5

    steps:
      - uses: actions/checkout@v1

      # Rust ------------------------------------------------

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          profile: minimal
          override: true

      - name: Cache target/
        uses: actions/cache@v1
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

      - name: Load schema
        working-directory: examples/postgres/todos
        env:
          # the in-container port is always 5432
          DATABASE_URL: postgres://postgres:postgres@localhost:5432/todos
        run: |
          export CONTAINER_ID=$(docker ps --filter "ancestor=postgres:12" --format "{{.ID}}")
          docker cp schema.sql $CONTAINER_ID:/schema.sql
          docker exec $CONTAINER_ID bash -c "psql -d $DATABASE_URL -f ./schema.sql"

      - name: install sqlx-cli
        run: cargo install -f --path sqlx-cli/

      - name: test `cargo sqlx prepare [--check]`
        working-directory: examples/postgres/todos/
        env:
          DATABASE_URL: postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/todos
        run: |
          cargo sqlx prepare &&
          cargo sqlx prepare --check

      # now we have no connection to the database, we should be able to still build
      - name: build example without DB
        working-directory: examples/postgres/todos/
        run: |
          cargo clean -p sqlx-example-postgres-todos &&
          cargo build

      # check that the application works without rebuilding it
      - name: run example
        env:
          DATABASE_URL: postgres://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/todos
        run: |
          ./target/debug/sqlx-example-postgres-todos add "test if `cargo sqlx prepare` worked" &&
          ./target/debug/sqlx-example-postgres-todos done 1

      - name: Prepare build directory for cache
        run: |
          find ./target/debug -maxdepth 1 -type f -delete \
          && rm -fr ./target/debug/{deps,.fingerprint}/*sqlx* \
          && rm -f  ./target/.rustc_info.json