ci(actions): Test all feature combinations on CI

.github/generate_matrix.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+# Copyright (c) 2024 Jan Holthuis <[email protected]>
+#
+# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of
+# the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# SPDX-License-Identifier: MPL-2.0
+
+import argparse
+import tomllib
+import json
+import itertools
+
+
+def generate_matrix(features: list[str]):
+    for i in range(len(features) + 1):
+        yield from itertools.combinations(iter(features), i)
+
+
+def main(argv=None):
+    parser = argparse.ArgumentParser()
+    parser.add_argument("cargo_file", type=argparse.FileType("rb"))
+    parser.add_argument("output_file", type=argparse.FileType("w"))
+    args = parser.parse_args(argv)
+
+    cargo_toml = tomllib.load(args.cargo_file)
+    features = [feature for feature in cargo_toml["features"].keys() if feature != "default"]
+    matrix = {"include": [{"features": "{}".format(",".join(f))} for f in generate_matrix(features=features)]}
+
+    args.output_file.write("matrix={}".format(json.dumps(matrix)))
+
+
+if __name__ == "__main__":
+    main()

.github/workflows/build.yml

@@ -2,15 +2,27 @@ name: Build
 on: [push, pull_request]
 
 jobs:
+  generate-matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+    steps:
+    - uses: actions/checkout@v4
+    - id: set-matrix
+      run: python .github/generate_matrix.py Cargo.toml "$GITHUB_OUTPUT"
+
   build:
+    needs: generate-matrix
     runs-on: ubuntu-latest
+    strategy:
+      matrix: ${{ fromJson(needs.generate-matrix.outputs.matrix) }}
     steps:
     - uses: actions/checkout@v4
     - name: Print Rust version
       run:  rustc -vV
     - name: Run tests
-      run: cargo test --all-features --verbose
+      run: cargo test --no-default-features --features "${{ matrix.features }}" --verbose
     - name: Run bench
-      run: cargo bench --all-features --verbose
+      run: cargo bench --no-default-features --features "${{ matrix.features }}" --verbose
     - name: Run doc
-      run: cargo doc --all-features --verbose
+      run: cargo doc --no-default-features --features "${{ matrix.features }}" --verbose