Implement iPhone and Apple Watch preferences (#53)

crates/storage/tests/config_contract.rs

@@ -4,8 +4,10 @@ use std::{collections::BTreeSet, error::Error, ffi::OsStr, fs, path::Path, time:
 
 use ironstorage::presentation::DEFAULT_CLIPBOARD_TIMEOUT;
 use ironstorage::{
-    authentication::{DEFAULT_AUTHENTICATION_TIMEOUT, MAX_AUTHENTICATION_TIMEOUT},
-    config::{ConfigError, ConfigLoader, EditorSource},
+    authentication::{
+        AuthenticationTimeout, DEFAULT_AUTHENTICATION_TIMEOUT, MAX_AUTHENTICATION_TIMEOUT,
+    },
+    config::{ConfigError, ConfigLoader, EditorSource, MobileAppearance},
     desktop::DesktopStorage,
     git::GitIdentity,
     mobile::MobileTab,
@@ -299,6 +301,29 @@ fn biometric_preference_is_secret_free_and_defaults_to_disabled() -> TestResult
     Ok(())
 }
 
+#[test]
+fn mobile_timeout_and_appearance_share_the_secret_free_configuration() -> TestResult {
+    let fixture = ConfigurationFixture::new()?;
+    fs::create_dir_all(fixture.temporary.path().join("cwd/vault"))?;
+    fixture.write_explicit(fixture.valid_contents())?;
+    let config = fixture.loader().load(Some(&fixture.explicit_path()))?;
+    assert_eq!(config.mobile_appearance(), MobileAppearance::System);
+
+    config.update_mobile_appearance(MobileAppearance::Dark)?;
+    config.update_authentication_timeout(AuthenticationTimeout::new(Duration::from_secs(300))?)?;
+    let reloaded = fixture.loader().load(Some(&fixture.explicit_path()))?;
+    assert_eq!(reloaded.mobile_appearance(), MobileAppearance::Dark);
+    assert_eq!(
+        reloaded.authentication_timeout().duration(),
+        Duration::from_secs(300)
+    );
+    let contents = fs::read_to_string(fixture.explicit_path())?;
+    assert!(contents.contains("mobile_appearance = \"dark\""));
+    assert!(contents.contains("inactivity_timeout_seconds = 300"));
+    assert!(!contents.to_ascii_lowercase().contains("token ="));
+    Ok(())
+}
+
 #[test]
 fn desktop_vault_switch_preserves_and_reloads_the_shared_configuration() -> TestResult {
     let fixture = ConfigurationFixture::new()?;