added all and basic test

tests/test.rs

@@ -0,0 +1,23 @@
+#[cfg(test)]
+mod tests {
+    use std::process::Command;
+
+    use super::*; // Import the functions from the parent module
+
+    #[test]
+    fn test_ospect_runs() {
+        let result = Command::new("./ospect")
+            .output()
+            .expect("Failed to execute command");
+        assert!(result.status.success());
+    }
+
+    #[test]
+    fn test_ospect_all_runs() {
+        let result = Command::new("./ospect")
+            .arg("all")
+            .output()
+            .expect("Failed to execute command");
+        assert!(result.status.success());
+    }
+}