feat(meta): resolve IMDb ids against series too

crates/arr-meta/tests/fixtures/find_imdb_series.json

@@ -0,0 +1,14 @@
+{
+  "movie_results": [],
+  "tv_results": [
+    {
+      "id": 82728,
+      "name": "Bluey",
+      "original_name": "Bluey",
+      "original_language": "en",
+      "first_air_date": "2018-10-01",
+      "overview": "The slice-of-life adventures of an Australian cattle dog.",
+      "poster_path": "/58PmSsz6PEdlVscLE1tRJ7tknU.jpg"
+    }
+  ]
+}

crates/arr-meta/tests/tmdb.rs

@@ -19,6 +19,7 @@ const MOVIE_UNRELEASED: &str = include_str!("fixtures/movie_unreleased.json");
 const MOVIE_THEATRICAL_ONLY: &str = include_str!("fixtures/movie_theatrical_only.json");
 const MOVIE_FUTURE_DIGITAL: &str = include_str!("fixtures/movie_future_digital.json");
 const SERIES_EXTERNAL_IDS: &str = include_str!("fixtures/series_external_ids.json");
+const FIND_IMDB_SERIES: &str = include_str!("fixtures/find_imdb_series.json");
 
 fn client(server: &MockServer) -> TmdbClient {
     TmdbClient::builder("test-key")
@@ -483,6 +484,33 @@ async fn series_external_ids_carries_the_tvdb_id() {
     assert_eq!(ids.tvdb_id, Some(361_391));
 }
 
+/// §9.2: a pasted `tt` id must resolve a series the same way it resolves a
+/// movie. TMDB answers `/find` with both kinds in one response; the `tv_results`
+/// half is what this reads.
+#[tokio::test]
+async fn find_by_imdb_resolves_series() {
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/3/find/tt7614372"))
+        .and(query_param("external_source", "imdb_id"))
+        .respond_with(ResponseTemplate::new(200).set_body_string(FIND_IMDB_SERIES))
+        .expect(1)
+        .mount(&server)
+        .await;
+
+    let results = client(&server)
+        .find_by_imdb("tt7614372")
+        .await
+        .expect("lookup succeeds");
+
+    assert!(results.movies.is_empty());
+    assert_eq!(results.series.len(), 1);
+    let series = &results.series[0];
+    assert_eq!(series.tmdb_id, 82_728);
+    assert_eq!(series.title, "Bluey");
+    assert_eq!(series.year(), Some(2018));
+}
+
 /// A series TMDB has no TVDB id for stays null rather than zero, so callers
 /// can tell "unknown" from a real id and fall back to the text query.
 #[tokio::test]