test: move tui tests to tests/

Kept inline: tui src/client.rs tests::{api_client_builds_versioned_urls,api_client_update_url} - ApiClient::api/url private.

crates/tui/tests/api_client_test.rs

@@ -0,0 +1,53 @@
+use api_types::LogReviewRequest;
+use tui::client::ApiError;
+
+#[test]
+fn apierror_unauthorized_display() {
+    let err = ApiError::Unauthorized;
+    assert!(matches!(err, ApiError::Unauthorized));
+    assert_eq!(err.to_string(), "unauthorized");
+}
+
+#[test]
+fn apierror_validation_display() {
+    let err = ApiError::Validation("rating must be 0-5".into());
+    assert!(err.to_string().contains("validation error"));
+}
+
+#[test]
+fn log_review_request_skips_none_fields() {
+    let req = LogReviewRequest {
+        external_metadata_id: None,
+        manual_title: Some("The Matrix".into()),
+        manual_release_year: None,
+        manual_director: None,
+        rating: 5,
+        comment: None,
+        watched_at: "2024-01-15T20:00:00".into(),
+        watch_medium: None,
+        spoilers: false,
+    };
+    let json = serde_json::to_string(&req).unwrap();
+    assert!(!json.contains("external_metadata_id"));
+    assert!(!json.contains("manual_release_year"));
+    assert!(!json.contains("manual_director"));
+    assert!(json.contains("\"manual_title\":\"The Matrix\""));
+    assert!(json.contains("\"rating\":5"));
+}
+
+#[test]
+fn log_review_request_includes_director_when_set() {
+    let req = LogReviewRequest {
+        external_metadata_id: None,
+        manual_title: Some("Dune".into()),
+        manual_release_year: Some(2021),
+        manual_director: Some("Denis Villeneuve".into()),
+        rating: 5,
+        comment: None,
+        watched_at: "2024-01-15T20:00:00".into(),
+        watch_medium: None,
+        spoilers: false,
+    };
+    let json = serde_json::to_string(&req).unwrap();
+    assert!(json.contains("\"manual_director\":\"Denis Villeneuve\""));
+}