2 files changed, 104 insertions, 0 deletions
diff --git a/utils/cfg_file/cfg_file_test/Cargo.toml b/utils/cfg_file/cfg_file_test/Cargo.toml
new file mode 100644
index 0000000..5db1010
--- /dev/null
+++ b/utils/cfg_file/cfg_file_test/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "cfg_file_test"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+cfg_file = { path = "../../cfg_file", features = ["default"] }
+tokio = { version = "1.48.0", features = ["full"] }
+serde = { version = "1.0.228", features = ["derive"] }
diff --git a/utils/cfg_file/cfg_file_test/src/lib.rs b/utils/cfg_file/cfg_file_test/src/lib.rs
new file mode 100644
index 0000000..f70d00d
--- /dev/null
+++ b/utils/cfg_file/cfg_file_test/src/lib.rs
@@ -0,0 +1,95 @@
+#[cfg(test)]
+mod test_cfg_file {
+    use cfg_file::ConfigFile;
+    use cfg_file::config::ConfigFile;
+    use serde::{Deserialize, Serialize};
+    use std::collections::HashMap;
+
+    #[derive(ConfigFile, Deserialize, Serialize, Default)]
+    #[cfg_file(path = "./.temp/example_cfg.toml")]
+    struct ExampleConfig {
+        name: String,
+        age: i32,
+        hobby: Vec<String>,
+        secret: HashMap<String, String>,
+    }
+
+    #[derive(ConfigFile, Deserialize, Serialize, Default)]
+    #[cfg_file(path = "./.temp/example_bincode.bcfg")]
+    struct ExampleBincodeConfig {
+        name: String,
+        age: i32,
+        hobby: Vec<String>,
+        secret: HashMap<String, String>,
+    }
+
+    #[tokio::test]
+    async fn test_config_file_serialization() {
+        let mut example = ExampleConfig {
+            name: "Weicao".to_string(),
+            age: 22,
+            hobby: ["Programming", "Painting"]
+                .iter()
+                .map(|m| m.to_string())
+                .collect(),
+            secret: HashMap::new(),
+        };
+        let secret_no_comments =
+            "Actually, I'm really too lazy to write comments, documentation, and unit tests.";
+        example
+            .secret
+            .entry("No comments".to_string())
+            .insert_entry(secret_no_comments.to_string());
+
+        let secret_peek = "Of course, it's peeking at you who's reading the source code.";
+        example
+            .secret
+            .entry("Peek".to_string())
+            .insert_entry(secret_peek.to_string());
+
+        ExampleConfig::write(&example).await.unwrap(); // Write to default path.
+
+        // Read from default path.
+        let read_cfg = ExampleConfig::read().await.unwrap();
+        assert_eq!(read_cfg.name, "Weicao");
+        assert_eq!(read_cfg.age, 22);
+        assert_eq!(read_cfg.hobby, vec!["Programming", "Painting"]);
+        assert_eq!(read_cfg.secret["No comments"], secret_no_comments);
+        assert_eq!(read_cfg.secret["Peek"], secret_peek);
+    }
+
+    #[tokio::test]
+    async fn test_bincode_config_file_serialization() {
+        let mut example = ExampleBincodeConfig {
+            name: "Weicao".to_string(),
+            age: 22,
+            hobby: ["Programming", "Painting"]
+                .iter()
+                .map(|m| m.to_string())
+                .collect(),
+            secret: HashMap::new(),
+        };
+        let secret_no_comments =
+            "Actually, I'm really too lazy to write comments, documentation, and unit tests.";
+        example
+            .secret
+            .entry("No comments".to_string())
+            .insert_entry(secret_no_comments.to_string());
+
+        let secret_peek = "Of course, it's peeking at you who's reading the source code.";
+        example
+            .secret
+            .entry("Peek".to_string())
+            .insert_entry(secret_peek.to_string());
+
+        ExampleBincodeConfig::write(&example).await.unwrap(); // Write to default path.
+
+        // Read from default path.
+        let read_cfg = ExampleBincodeConfig::read().await.unwrap();
+        assert_eq!(read_cfg.name, "Weicao");
+        assert_eq!(read_cfg.age, 22);
+        assert_eq!(read_cfg.hobby, vec!["Programming", "Painting"]);
+        assert_eq!(read_cfg.secret["No comments"], secret_no_comments);
+        assert_eq!(read_cfg.secret["Peek"], secret_peek);
+    }
+}