diff --git a/Cargo.toml b/Cargo.toml
index 00291af..097d171 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ dirs = "6.0.0"
 
 keyring-lib = { version = "1.0.3", features = ["tokio"] }
 ratatui = "0.30.2"
-reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
+reqwest = { version = "0.13.4", default-features = false, features = ["json"] }
 serde = { version = "1", features = ["derive"] }
 tokio = { version = "1.52.3", features = ["full"] }
 
@@ -28,3 +28,4 @@ tokio = { version = "1.52.3", features = ["full"] }
 cargo-husky = { version = "1.5.0", default-features = false, features = [
   "user-hooks",
 ] }
+tempfile = "3"
diff --git a/src/cache.rs b/src/cache.rs
index f6074b7..d001c36 100644
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -134,3 +134,106 @@ impl CacheStore {
         Ok(format!("{}:{}", short_name.to_lowercase(), id.as_str()))
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use serde::{Deserialize, Serialize};
+    use tempfile::TempDir;
+
+    #[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
+    struct MockUser {
+        name: String,
+        age: u8,
+    }
+
+    fn setup_temporary_cache() -> (CacheStore, TempDir) {
+        let temp_dir = TempDir::new().expect("Failed to create a temporary directory");
+        let path = temp_dir.path().join("test_cache.db");
+
+        let db = PickleDb::new(
+            &path,
+            pickledb::PickleDbDumpPolicy::AutoDump,
+            pickledb::SerializationMethod::Bin,
+        );
+
+        (CacheStore { db, path }, temp_dir)
+    }
+
+    #[test]
+    fn test_id_new_valid() {
+        let valid_str = "01ARZ3NDEKTSV4RRFFQ69G5FAV";
+        let id_res = Id::<MockUser>::new(valid_str);
+
+        assert!(id_res.is_ok());
+        let id = id_res.unwrap();
+        assert_eq!(id.as_str(), valid_str);
+        assert_eq!(id.bytes(), valid_str.as_bytes());
+    }
+
+    #[test]
+    fn test_id_new_invalid_size() {
+        let short_str = "01ARZ3NDEKTSV4RRFFQ69G5FA";
+        let id_err = Id::<MockUser>::new(short_str);
+        assert!(id_err.is_err());
+
+        let long_str = "01ARZ3NDEKTSV4RRFFQ69G5FAVV";
+        let id_err = Id::<MockUser>::new(long_str);
+        assert!(id_err.is_err());
+    }
+
+    #[test]
+    fn test_id_debug_formatting() {
+        let valid_str = "01ARZ3NDEKTSV4RRFFQ69G5FAV";
+        let id = Id::<MockUser>::new(valid_str).unwrap();
+
+        let debug_format = format!("{:?}", id);
+        assert_eq!(debug_format, "Id<MockUser>(01ARZ3NDEKTSV4RRFFQ69G5FAV)");
+    }
+
+    #[test]
+    fn test_cache_store_lifecycle() {
+        let (mut store, _temp_dir) = setup_temporary_cache();
+
+        let raw_id = "01ARZ3NDEKTSV4RRFFQ69G5FAV";
+        let id = Id::<MockUser>::new(raw_id).unwrap();
+        let user = MockUser {
+            name: "Alice".to_string(),
+            age: 30,
+        };
+
+        assert!(!store.exists(id.clone()).unwrap(), "Key should not exist");
+        assert!(store.get(id.clone()).is_none(), "Get should return None");
+
+        let set_res = store.set(id.clone(), &user);
+        assert!(set_res.is_ok(), "Insertion failed: {:?}", set_res);
+
+        assert!(
+            store.exists(id.clone()).unwrap(),
+            "Key should exist after set"
+        );
+
+        let cached_user = store.get(id.clone());
+        assert!(cached_user.is_some(), "Value should have been retrieved");
+        assert_eq!(
+            cached_user.unwrap(),
+            user,
+            "Retrieved value does not match the inserted one"
+        );
+
+        let remove_res = store.remove(id.clone());
+        assert!(remove_res.is_ok());
+        assert!(remove_res.unwrap(), "Remove should have returned true");
+
+        assert!(
+            !store.exists(id.clone()).unwrap(),
+            "Key should no longer exist after removal"
+        );
+
+        let remove_again = store.remove(id.clone()).unwrap();
+        assert!(
+            !remove_again,
+            "Remove should have returned false for a non-existent key"
+        );
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 119eb5b..71dadf2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,20 +6,38 @@ mod error;
 mod input;
 mod state;
 
+use std::{fs, path::PathBuf};
+
 use app::App;
 use ratatui::crossterm::event::{self, Event};
 use state::ui;
 
+pub const LOG_FILE: &str = "logs";
+
 pub type Result<T> = anyhow::Result<T>;
 
-#[tokio::main]
-async fn main() -> anyhow::Result<(), Box<dyn std::error::Error>> {
-    let log_file = std::fs::OpenOptions::new()
+fn create_log_file() -> Result<fs::File> {
+    let mut path = if let Some(mut p) = dirs::cache_dir() {
+        p.push(env!("CARGO_PKG_NAME"));
+        p
+    } else {
+        PathBuf::new()
+    };
+
+    fs::create_dir_all(&path)?;
+
+    path.push(LOG_FILE);
+
+    Ok(fs::OpenOptions::new()
         .create(true)
         .append(true)
-        .open("vimstoat.log")
-        .expect("Failed to open log file");
+        .open(path)
+        .expect("Failed to open log file"))
+}
 
+#[tokio::main]
+async fn main() -> anyhow::Result<(), Box<dyn std::error::Error>> {
+    let log_file = create_log_file()?;
     env_logger::builder()
         .target(env_logger::Target::Pipe(Box::new(log_file)))
         .filter_level(log::LevelFilter::Debug)