Clarify active Windows client architecture

apps/windows-client/src-tauri/tests/storage_tests.rs

@@ -0,0 +1,195 @@
+#[path = "../src/activity.rs"]
+mod activity;
+#[path = "../src/models.rs"]
+mod models;
+#[path = "../src/storage.rs"]
+mod storage;
+
+use models::{
+    ActivityEntry, ActivityLevel, ComponentId, ComponentState, ComponentStatus, Profile,
+    ProfileItem, ProfileItemType, Protocol, ProxyProtocol, Target, TargetKind,
+};
+use std::fs;
+use std::path::{Path, PathBuf};
+use std::time::{SystemTime, UNIX_EPOCH};
+use storage::{backup_path, default_config_root, JsonStorage, StoragePaths};
+
+#[test]
+fn storage_defaults_to_programdata_root() {
+    let expected = PathBuf::from(r"C:\ProgramData\VpnProxy");
+
+    assert_eq!(default_config_root(), expected);
+    assert_eq!(StoragePaths::default().root, expected);
+}
+
+#[test]
+fn roundtrips_profiles_targets_components_and_activity() {
+    let root = test_root("roundtrip");
+    let storage = JsonStorage::new(root.clone());
+
+    let profiles = vec![sample_profile("discord")];
+    let targets = vec![sample_target("home-gateway")];
+    let components = vec![sample_component()];
+    let activity = vec![sample_activity(
+        "created",
+        "2026-01-01T10:00:00Z",
+        ActivityLevel::Success,
+    )];
+
+    storage.write_profiles(&profiles).expect("write profiles");
+    storage.write_targets(&targets).expect("write targets");
+    storage
+        .write_components(&components)
+        .expect("write components");
+    storage.write_activity(&activity).expect("write activity");
+
+    assert_eq!(storage.read_profiles().expect("read profiles"), profiles);
+    assert_eq!(storage.read_targets().expect("read targets"), targets);
+    assert_eq!(storage.read_components().expect("read components"), components);
+    assert_eq!(storage.read_activity().expect("read activity"), activity);
+
+    cleanup(&root);
+}
+
+#[test]
+fn invalid_json_falls_back_to_empty_collection() {
+    let root = test_root("invalid-json");
+    let storage = JsonStorage::new(root.clone());
+    storage.ensure_dirs().expect("create storage dirs");
+    fs::write(&storage.paths().profiles_file, "{not valid json").expect("write invalid json");
+
+    assert_eq!(
+        storage.read_profiles().expect("invalid profiles fallback"),
+        Vec::<Profile>::new()
+    );
+
+    cleanup(&root);
+}
+
+#[test]
+fn write_creates_backup_before_overwriting_source_file() {
+    let root = test_root("backup");
+    let storage = JsonStorage::new(root.clone());
+    let first = vec![sample_profile("first")];
+    let second = vec![sample_profile("second")];
+
+    storage.write_profiles(&first).expect("first write");
+    storage.write_profiles(&second).expect("second write");
+
+    let backup = backup_path(&storage.paths().profiles_file);
+    assert!(backup.exists(), "backup file should exist");
+
+    let backup_contents = fs::read_to_string(backup).expect("read backup");
+    let backup_profiles: Vec<Profile> =
+        serde_json::from_str(&backup_contents).expect("backup json");
+
+    assert_eq!(backup_profiles, first);
+    assert_eq!(storage.read_profiles().expect("current profiles"), second);
+
+    cleanup(&root);
+}
+
+#[test]
+fn activity_entries_are_sorted_and_capped() {
+    let root = test_root("activity");
+    let storage = JsonStorage::with_activity_limit(root.clone(), 2);
+
+    storage
+        .append_activity(sample_activity(
+            "old",
+            "2026-01-01T10:00:00Z",
+            ActivityLevel::Info,
+        ))
+        .expect("append old");
+    storage
+        .append_activity(sample_activity(
+            "new",
+            "2026-01-03T10:00:00Z",
+            ActivityLevel::Success,
+        ))
+        .expect("append new");
+    storage
+        .append_activity(sample_activity(
+            "middle",
+            "2026-01-02T10:00:00Z",
+            ActivityLevel::Warning,
+        ))
+        .expect("append middle");
+
+    let entries = storage.read_activity().expect("read capped activity");
+
+    assert_eq!(entries.len(), 2);
+    assert_eq!(
+        entries
+            .iter()
+            .map(|entry| entry.id.as_str())
+            .collect::<Vec<_>>(),
+        vec!["new", "middle"]
+    );
+
+    cleanup(&root);
+}
+
+fn test_root(name: &str) -> PathBuf {
+    let timestamp = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .expect("system clock before unix epoch")
+        .as_nanos();
+
+    std::env::temp_dir().join(format!("vpn-proxy-storage-{name}-{timestamp}"))
+}
+
+fn cleanup(root: &Path) {
+    let _ = fs::remove_dir_all(root);
+}
+
+fn sample_profile(id: &str) -> Profile {
+    Profile {
+        id: id.to_string(),
+        name: format!("Profile {id}"),
+        enabled: true,
+        target_id: "home-gateway".to_string(),
+        protocols: vec![Protocol::Tcp, Protocol::Udp],
+        items: vec![ProfileItem {
+            item_type: ProfileItemType::Process,
+            value: "Discord".to_string(),
+            recursive: false,
+        }],
+    }
+}
+
+fn sample_target(id: &str) -> Target {
+    Target {
+        id: id.to_string(),
+        name: "Home Gateway".to_string(),
+        kind: TargetKind::External,
+        protocol: ProxyProtocol::Socks5,
+        host: "192.168.50.111".to_string(),
+        port: 8080,
+        requires_component: None,
+    }
+}
+
+fn sample_component() -> ComponentStatus {
+    ComponentStatus {
+        id: ComponentId::Proxyfier,
+        name: "ProxiFyre".to_string(),
+        state: ComponentState::Missing,
+        installed: false,
+        running: false,
+        version: None,
+        path: None,
+        problems: vec!["ProxiFyre не установлен".to_string()],
+        actions: vec!["Установить ProxiFyre".to_string()],
+    }
+}
+
+fn sample_activity(id: &str, at: &str, level: ActivityLevel) -> ActivityEntry {
+    ActivityEntry {
+        id: id.to_string(),
+        at: at.to_string(),
+        level,
+        title: format!("Activity {id}"),
+        message: "Storage test activity".to_string(),
+    }
+}