feat: browse channel playlists

tests/unit/keys.rs

@@ -120,6 +120,47 @@ fn provider_choice_is_configurable_and_normal_only() {
     }
 }
 
+#[test]
+fn channel_playlists_are_configurable_and_normal_only() {
+    let defaults = Bindings::default();
+    let overrides = configured("[keys.channel]\nplaylists = 'alt+l'\n").unwrap();
+    for &context in ALL {
+        let expected = (context == Context::Normal).then_some(Action::ChannelPlaylists);
+        for (code, modifiers) in [
+            (KeyCode::Char('L'), KeyModifiers::NONE),
+            (KeyCode::Char('L'), KeyModifiers::SHIFT),
+            (KeyCode::Char('l'), KeyModifiers::SHIFT),
+        ] {
+            assert_eq!(press(&defaults, context, code, modifiers), expected);
+            assert_ne!(
+                press(&overrides, context, code, modifiers),
+                Some(Action::ChannelPlaylists),
+            );
+        }
+        assert_eq!(
+            press(&defaults, context, KeyCode::Char('l'), KeyModifiers::NONE),
+            None,
+        );
+        assert_eq!(
+            press(&overrides, context, KeyCode::Char('l'), KeyModifiers::ALT),
+            expected,
+        );
+    }
+    assert!(default_config().contains("channel.playlists = [\"L\"]"));
+    assert!(defaults.help_text().to_string().lines().any(|line| {
+        line.trim_start().starts_with("L ")
+            && line.contains("Browse the current channel's playlists")
+    }));
+    assert!(overrides.help_text().to_string().lines().any(|line| {
+        line.trim_start().starts_with("Alt+l ")
+            && line.contains("Browse the current channel's playlists")
+    }));
+    let collision = configured("[keys.channel]\nplaylists = 'u'\n")
+        .unwrap_err()
+        .to_string();
+    assert!(collision.contains("channel.playlists") && collision.contains("channel.browse"));
+}
+
 #[test]
 fn only_section_headers_are_bold_in_the_grouped_overview() {
     use ratatui::{
@@ -426,6 +467,9 @@ fn collection_removal_defaults_are_scoped_and_inherit_view_actions() {
         (Context::Description, Context::CollectionDescription),
     ] {
         for &(key, action) in &bindings.contexts[ordinary as usize] {
+            if action == Action::ChannelPlaylists {
+                continue;
+            }
             assert_eq!(
                 bindings.resolve(collection, KeyEvent::new(key.code, key.modifiers)),
                 Some(action),
@@ -434,7 +478,8 @@ fn collection_removal_defaults_are_scoped_and_inherit_view_actions() {
         }
         assert_eq!(
             bindings.contexts[collection as usize].len(),
-            bindings.contexts[ordinary as usize].len() + 2,
+            bindings.contexts[ordinary as usize].len() + 2
+                - usize::from(ordinary == Context::Normal),
         );
     }
 }