fix: move to proper rust integration test

.github/workflows/main.yml

@@ -74,23 +74,3 @@ jobs:
 
     - name: Bench features
       run: cargo bench --all-features
-
-  examples:
-    name: Project Examples
-    runs-on: ${{ matrix.os }}
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest]
-    steps:
-    - name: Checkout the source code
-      uses: actions/checkout@v4
-
-    - uses: dtolnay/rust-toolchain@master
-      with:
-        toolchain: stable
-
-    - name: Run compile_time_config
-      run: cargo run
-      working-directory: test/color-test
-      env:
-        RUST_BACKTRACE: 1

tests/color_control.rs

@@ -0,0 +1,25 @@
+use std::process::Command;
+
+fn execute_test(env_key: &str, env_val: &str) {
+    let mut child_proc = Command::new("cargo")
+        .args(&["run", "--example", "compile_time_config"])
+        .env(env_key, env_val)
+        .spawn()
+        .expect("Cargo command failed to start");
+
+    let ecode = child_proc.wait()
+        .expect("failed to wait on child");
+
+    assert!(ecode.success());
+}
+
+// Maintaining as a single test to avoid blocking calls to the package cache
+#[test]
+fn test_no_color() {
+    let keys = vec!("NO_COLOR", "CLICOLOR_FORCE", "CLICOLOR");
+
+    for key in keys {
+        execute_test(key, "1");
+        execute_test(key, "0");
+    }
+}