chore: add tests action

.github/workflows/tests.yml

@@ -0,0 +1,38 @@
+name: Unit and style tests
+
+concurrency: # don't run the test when there's is a newer version
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  unit-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v6
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Test dev build
+        run: cargo test
+
+      - name: Test release build
+        run: cargo test --release
+
+  style-checks:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - uses: actions/checkout@v6
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Clippy check
+        run: cargo clippy # -- -D
+                          # TODO! Uncomment this when code will be alright
+      - name: Format check
+        run: cargo fmt -- --check

README.md

@@ -1,3 +1,5 @@
+![Tests status](https://github.com/szymon-jozef/checkers/actions/workflows/tests.yml/badge.svg)
+
 # Game of checkers online
 
 Currently WIP

nix/shell.nix

@@ -3,6 +3,7 @@
     devShells.default = pkgs.mkShell {
       packages = with pkgs; [
         rustfmt
+        clippy
       ];
 
       RUST_LOG = "debug";

src/logic/math/position.rs

@@ -32,9 +32,7 @@ impl Position {
         trace!("Adding row: {} + {} = {}", self.row, delta.row, new_row);
         trace!(
             "Adding column: {} + {} = {}",
-            self.column,
-            delta.column,
-            new_column
+            self.column, delta.column, new_column
         );
 
         Some(Position {

src/main.rs

@@ -1,4 +1,3 @@
-
 fn main() {
     println!("Hello, world!");
 }