test(raw): a developed raw takes the Raw Defaults resolution on every open path; other files keep theirs (#7789)

crates/engine/src/file_cmds/tests.rs

@@ -92,6 +92,35 @@ fn batch_same_format_saves_camera_raws_as_psd() {
     }
 }
 
+/// Edit › Preferences › Raw Defaults › Resolution sets the ppi a raw opens with, through
+/// File › Open (the background open job) and through opening bytes; other files keep their own.
+#[test]
+fn a_developed_raw_opens_at_the_raw_defaults_resolution() {
+    use photocraft_raw::testgen::{DngSpec, mosaic, scene};
+    let (w, h) = (24, 16);
+    let raw = DngSpec::cfa(w, h, mosaic(&scene(w, h), w, [0, 1, 1, 2], 0, 65535)).build();
+    let dir = tmp("raw-defaults");
+    let path = join(&dir, "IMG_0002.dng");
+    std::fs::write(&path, &raw).unwrap();
+    let open = |s: &mut Session, path: &str| match s.start_open(path, crate::jobs::OpenSource::Path(path.into())).unwrap() {
+        crate::jobs::Started::Job(id) => {
+            s.wait_job(id).unwrap();
+        }
+        crate::jobs::Started::Done(_) => {}
+    };
+    let mut s = Session::new();
+    open_bytes_as(&mut s, "IMG_0001.dng", &raw, None, None).unwrap();
+    assert_eq!(doc(&s).resolution_dpi, 300.0, "the default");
+    s.execute("prefs.set", json!({"path": "rawDefaults.resolution", "value": 240})).unwrap();
+    open_bytes_as(&mut s, "IMG_0001.dng", &raw, None, None).unwrap();
+    assert_eq!(doc(&s).resolution_dpi, 240.0);
+    open(&mut s, &path);
+    assert_eq!(doc(&s).resolution_dpi, 240.0, "File › Open");
+    let png = png(&dir, "a.png", 4, 4, "#ff0000");
+    open(&mut s, &png);
+    assert_eq!(doc(&s).resolution_dpi, 72.0, "not a raw");
+}
+
 #[test]
 fn revert_reloads_as_one_undoable_step() {
     let dir = tmp("revert");

crates/ui-egui/src/camera_raw_ui.rs

@@ -1890,6 +1890,25 @@ mod tests {
         assert!(mean_red(&app) > before + 0.05, "{before} → {}", mean_red(&app));
     }
 
+    /// #7789: Preferences › Raw Defaults › Resolution sets a raw's ppi when the app opens it
+    /// itself (no background job) and from automation, and a Camera Raw re-develop keeps it.
+    #[test]
+    fn a_raw_opens_and_redevelops_at_the_raw_defaults_resolution() {
+        let (mut app, dng) = raw_app();
+        let ctx = egui::Context::default();
+        app.run("prefs.set", json!({"path": "rawDefaults.resolution", "value": 240})).unwrap();
+        app.open_bytes("IMG_0004.dng", &dng).unwrap();
+        assert_eq!(app.session.active().unwrap().doc.resolution_dpi, 240.0);
+        let raw = app.pending_raw_open.take().unwrap();
+        open_raw(&mut app, &ctx, raw).unwrap();
+        menu(&mut app, &ctx, "filter.cameraRaw", &json!({"ui": {"set": {"exposure": 1.0}}})).unwrap().unwrap();
+        let r = menu(&mut app, &ctx, "filter.cameraRaw", &json!({"ui": {"commit": true}})).unwrap().unwrap();
+        assert_eq!(r["redeveloped"], true, "{r}");
+        assert_eq!(app.session.active().unwrap().doc.resolution_dpi, 240.0, "kept by the re-develop");
+        app.open_automation_bytes("IMG_0005.dng", &dng).unwrap();
+        assert_eq!(app.session.active().unwrap().doc.resolution_dpi, 240.0, "automation open");
+    }
+
     #[test]
     fn cancel_closes_the_raw_and_the_preference_skips_the_dialog() {
         let (mut app, dng) = raw_app();