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solvecraft/crates/engine/tests/save_as_cache.rs
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jyviko 8b3eedd0aa Wave 211/509: doc, engine, ui: placing the model returns its error; placements are checked where they are set
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- 9a7958857 jyviko: doc, engine, ui: placing the model returns its error; placements are checked where they are set

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DtL5M41G8Nua7HvuFPZkmJ
2026-10-22 13:38:41 -04:00

74 lines
3.4 KiB
Rust

//! Save caches survive a filename-driven rename. Display caches are never warmed for a save
//! nor certified for placements that do not match the document being saved; the model cache
//! (the timeline's bodies, before placement) needs no warm display.
use serde_json::json;
use solidcraft_doc::Document;
use solidcraft_engine::Session;
fn assembly() -> Session {
let mut session = Session::new(Document::new("Untitled"));
session.execute("component.create", &json!({"name":"PlacedPart"})).unwrap();
session.execute("solid.box", &json!({"length":2,"width":3,"height":4})).unwrap();
session
}
fn warm(session: &Session) {
for body in &session.world_state().unwrap().bodies {
body.mesh();
}
}
fn save(session: &mut Session, label: &str) -> Vec<u8> {
let path = std::env::temp_dir().join(format!("solidcraft-save-as-{label}-{}.solidcraft", std::process::id()));
session.execute("file.save_as", &json!({"path":path,"cache":true,"preview":true})).unwrap();
let bytes = std::fs::read(&path).unwrap();
assert_eq!(solidcraft_io::read_design(&bytes).unwrap().name, path.file_stem().unwrap().to_string_lossy());
std::fs::remove_file(&path).unwrap();
let _ = std::fs::remove_file(format!("{}.bak", path.display()));
bytes
}
/// Whether the file holds saved display meshes (a picture is also drawn from the model cache).
fn saved_display(bytes: &[u8]) -> bool {
bytes.windows(b"cache/preview.bin".len()).any(|entry| entry == b"cache/preview.bin")
}
#[test]
fn a_filename_rename_preserves_opted_in_warm_assembly_caches() {
let mut session = assembly();
warm(&session);
for label in ["first-warm", "renamed-warm"] {
let bytes = save(&mut session, label);
let geometry = solidcraft_io::read_design_geometry(&bytes).expect("warm geometry survives the rename");
assert_eq!(geometry.bodies.len(), 1);
assert!((solidcraft_kernel::measure(&geometry.bodies[0].body).unwrap().volume - 24.0).abs() < 1e-9);
assert!(solidcraft_io::read_design_preview(&bytes).is_some(), "warm display meshes survive the rename");
warm(&session);
}
}
#[test]
fn naming_a_design_does_not_warm_cold_or_revalidate_stale_placements() {
let original = assembly();
let mut cold = Session::new((*original.doc).clone());
let bytes = save(&mut cold, "cold");
assert!(solidcraft_io::read_design_geometry(&bytes).is_some(), "the model needs no warm display");
assert!(!saved_display(&bytes));
let mut stale = assembly();
warm(&stale);
stale.doc_mut().occurrences.first_mut().unwrap().transform[3][0] = 25.0;
let bytes = save(&mut stale, "stale");
assert!(solidcraft_io::read_design_geometry(&bytes).is_some(), "a placement is not part of the timeline's bodies");
assert!(!saved_display(&bytes), "old placements must not be certified for a changed document");
// A document edited without an evaluation since is not saved with the old one's bodies.
let mut edited = assembly();
let feature = edited.doc.features.last().unwrap().id;
if let solidcraft_doc::FeatureKind::Box { length, .. } = &mut edited.doc_mut().features.iter_mut().find(|f| f.id == feature).unwrap().kind {
*length = "20".into();
}
let bytes = save(&mut edited, "edited");
assert!(solidcraft_io::read_design_geometry(&bytes).is_none(), "bodies of another document must not be saved as this one's");
}