Add benchmarks for validation engine (#42)

Fixes #12

Author: dotandev

Cargo.toml

@@ -25,6 +25,11 @@ serde_json = "1.0"
 tempfile = "3.10"
 assert_cmd = "2.0"
 predicates = "3.1"
+criterion = "0.5"
+
+[[bench]]
+name = "validation_bench"
+harness = false
 
 [[bin]]
 name = "envcheck"

benches/validation_bench.rs

@@ -0,0 +1,46 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use envcheck::config::{Config, ToolCheck, EnvVarCheck, FileCheck};
+use envcheck::validators::run_all_validations;
+
+fn bench_validation(c: &mut Criterion) {
+    let config = Config {
+        version: "1".to_string(),
+        tools: vec![
+            ToolCheck {
+                name: "node".to_string(),
+                version: Some(">=18.0.0".to_string()),
+                required: true,
+            },
+            ToolCheck {
+                name: "git".to_string(),
+                version: None,
+                required: true,
+            },
+        ],
+        env_vars: vec![
+            EnvVarCheck {
+                name: "PATH".to_string(),
+                required: true,
+                pattern: None,
+            },
+        ],
+        ports: vec![3000, 5432, 6379, 8080],
+        files: vec![
+            FileCheck {
+                path: "Cargo.toml".to_string(),
+                required: true,
+                is_directory: false,
+                permissions: None,
+            },
+        ],
+    };
+
+    c.bench_function("run_all_validations", |b| {
+        b.iter(|| {
+            let _ = run_all_validations(black_box(&config));
+        })
+    });
+}
+
+criterion_group!(benches, bench_validation);
+criterion_main!(benches);