Track tab favicon keys

crates/ely_browser_core/tests/tab_metadata.rs

@@ -0,0 +1,52 @@
+use std::error::Error;
+
+use ely_browser_core::{BrowserCore, CoreError, InitialBrowserConfig};
+use ely_domain::DomainError;
+
+#[test]
+fn new_tabs_start_without_favicon_key() -> Result<(), Box<dyn Error>> {
+    let core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+
+    assert_eq!(core.active_tab()?.favicon_key(), None);
+    Ok(())
+}
+
+#[test]
+fn tab_favicon_key_can_be_set_and_cleared() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let tab_id = core.active_tab()?.id().clone();
+
+    core.set_tab_favicon_key(&tab_id, "favicons/example.ico")?;
+    assert_eq!(core.active_tab()?.favicon_key(), Some("favicons/example.ico"));
+
+    core.clear_tab_favicon_key(&tab_id)?;
+    assert_eq!(core.active_tab()?.favicon_key(), None);
+    Ok(())
+}
+
+#[test]
+fn tab_favicon_key_requires_text() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let tab_id = core.active_tab()?.id().clone();
+
+    let error = match core.set_tab_favicon_key(&tab_id, " ") {
+        Err(error) => error,
+        Ok(_) => return Err("favicon key should require text".into()),
+    };
+
+    assert_eq!(error, CoreError::Domain(DomainError::EmptyField { field: "favicon_key" }));
+    Ok(())
+}
+
+#[test]
+fn archived_tabs_preserve_favicon_key() -> Result<(), Box<dyn Error>> {
+    let mut core = BrowserCore::new(InitialBrowserConfig::ely_defaults()?)?;
+    let tab_id = core.active_tab()?.id().clone();
+
+    core.set_tab_favicon_key(&tab_id, "favicons/example.ico")?;
+    core.close_active_tab()?;
+    let snapshot = core.snapshot()?;
+
+    assert_eq!(snapshot.archived_tabs[0].tab().favicon_key(), Some("favicons/example.ico"));
+    Ok(())
+}