ci: add basic cargo test/clippy

.github/workflows/test.yaml

@@ -0,0 +1,53 @@
+name: Continuous integration
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  changelog:
+    name: Changelog
+    runs-on: ubuntu-latest
+
+    outputs:
+      changelog: ${{ steps.changed-files.outputs.all_changed_files }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/[email protected]
+
+  run_unitary_tests:
+    name: Run clippy and unitary tests
+    runs-on: ubuntu-latest
+
+    needs: changelog
+    if: |
+      contains(needs.changelog.outputs.changelog, 'src') ||
+      contains(needs.changelog.outputs.changelog, 'Cargo.toml')
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Install toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: clippy
+
+      - name: Cargo clippy
+        uses: actions-rs/clippy@master
+
+      - name: Cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --verbose

README.md

@@ -1,3 +1,6 @@
+[![Continuos Integration](https://github.com/rogercoll/pid-set/actions/workflows/test.yaml//badge.svg?branch=main)](https://github.com/rogercoll/pid-set/actions/workflows/test.yaml?query=branch%3Amain)
+[![dependency status](https://deps.rs/repo/github/rogercoll/pid-set/status.svg)](https://deps.rs/repo/github/rogercoll/pid-set)
+
 # PID Set Library
 
 The `pid_set` library provides tools for managing and monitoring process identifiers (PIDs) using epoll on Linux platforms. It utilizes epoll and pidfd to asynchronously notify when a process exits, offering a robust way to handle PID-related events.