Split cassandra_int_tests into its own CI job (#796)

.github/workflows/build_and_test.yml

@@ -21,12 +21,26 @@ jobs:
  matrix:
  include:
  # the cassandra cpp driver is only supported on 18.04
+ - name: Ubuntu 18.04 - Release - cassandra_int_tests
+ runner: ubuntu-18.04
+ cargo_flags: --release
+ test_flags: cassandra_int_tests
+
  - name: Ubuntu 18.04 - Release
  runner: ubuntu-18.04
  cargo_flags: --release
+ test_flags: --skip cassandra_int_tests
+
+ - name: Ubuntu 18.04 - Debug - cassandra_int_tests
+ runner: ubuntu-18.04
+ cargo_flags:
+ test_flags: cassandra_int_tests
+
  - name: Ubuntu 18.04 - Debug
  runner: ubuntu-18.04
  cargo_flags:
+ test_flags: --skip cassandra_int_tests
+
  name: ${{ matrix.name }}
  runs-on: ${{ matrix.runner }}
  steps:
@@ -35,9 +49,10 @@ jobs:
  with:
  # rust-cache already handles all the sane defaults for caching rust builds.
  # However because we are running seperate debug/release builds in parallel,
- # we also need to add Debug or Release to the key so that a seperate cache is used.
+ # we also need to add the runner and cargo_flags to the key so that a seperate cache is used.
  # Otherwise only the last build to finish would get saved to the cache.
- key: ${{ matrix.name }}
+ # We allow different test_flags to share a cache as they should have identical build outputs
+ key: ${{ matrix.runner }} - ${{ matrix.cargo_flags }}
  - name: Install ubuntu packages
  run: shotover-proxy/build/install_ubuntu_packages.sh
  - name: Install cargo-hack
@@ -50,7 +65,7 @@ jobs:
  # * clippy --all-targets causes clippy to run against tests and examples which it doesnt do by default.
  run: cargo hack --feature-powerset clippy --all-targets --locked ${{ matrix.cargo_flags }} -- -D warnings
  - name: Ensure that tests pass
- run: cargo test ${{ matrix.cargo_flags }} --all-features -- --include-ignored --show-output --nocapture
+ run: cargo test ${{ matrix.cargo_flags }} --all-features -- --include-ignored --show-output --nocapture ${{ matrix.test_flags }}
  - name: Ensure that custom benches run
  run: cargo run --release --example cassandra_bench -- --config-dir example-configs/cassandra-passthrough --rate 1000
  if: ${{ matrix.name == 'Ubuntu 18.04 - Release' }}