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cadcraft/crates/engine/tests/it/qdim.rs
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66 lines
3.1 KiB
Rust

//! QDIM over many objects: one snap index per call (no rescan of the drawing per dimension), the
//! same associations as DIMREASSOCIATE, and a cap on the input size.
use cadcraft_engine::Session;
use cadcraft_engine::doc::{DimAssoc, EntityKind, Handle};
use serde_json::{Value, json};
fn assoc_of(s: &Session, handles: &[Value]) -> Vec<Vec<DimAssoc>> {
let d = s.doc().unwrap();
handles
.iter()
.map(|h| match &d.entity(Handle::parse_hex(h.as_str().unwrap()).unwrap()).unwrap().kind {
EntityKind::Dimension(dm) => dm.assoc.clone(),
k => panic!("not a dimension: {k:?}"),
})
.collect()
}
fn handles(r: &Value) -> Vec<Value> {
r["handles"].as_array().unwrap().clone()
}
#[test]
fn qdim_attaches_like_dimreassociate_and_large_input_is_capped() {
// Lines end to end with a point on every joint (ties with the line ends) and a circle around
// every midpoint (its centre is a QDIM point and outranks the line midpoint).
let mut s = Session::new();
for i in 0..40 {
let x = f64::from(i);
s.execute("line", &json!({"points": [[x, 0], [x + 1.0, 0]]})).unwrap();
s.execute("point", &json!({"at": [x, 0]})).unwrap();
s.execute("circle", &json!({"center": [x + 0.5, 0], "radius": 0.1})).unwrap();
}
let objs: Vec<String> = s.doc().unwrap().model.iter().map(|e| e.handle.hex()).collect();
let r = s.execute("qdim", &json!({"handles": objs, "at": [0, 3]})).unwrap();
let hs = handles(&r);
assert_eq!(hs.len(), 80, "one dimension between each pair of neighbouring points");
let quick = assoc_of(&s, &hs);
assert!(quick.iter().all(|a| a.len() == 2), "every point is on an object");
// DIMREASSOCIATE scans the drawing per point; the indexed QDIM must agree with it.
s.execute("dimreassociate", &json!({"handles": hs})).unwrap();
assert_eq!(assoc_of(&s, &hs), quick);
// Many objects finish (this was quadratic in the number of dimensions).
let mut s = Session::new();
let pts: Vec<[f64; 2]> = (0..=20_000).map(|i| [f64::from(i), 0.0]).collect();
let objs = handles(&s.execute("line", &json!({"points": pts})).unwrap());
let r = s.execute("qdim", &json!({"handles": objs, "at": [0, 3]})).unwrap();
let hs = handles(&r);
assert_eq!(hs.len(), 20_000);
assert!(assoc_of(&s, &hs[..10]).iter().all(|a| a.len() == 2));
// More than the cap (objects, or distinct points) is refused with nothing created.
let n = s.doc().unwrap().model.iter().count();
let too_many: Vec<Value> = (0..100_001).map(|_| objs[0].clone()).collect();
let e = s.execute("qdim", &json!({"handles": too_many, "at": [0, 3]})).unwrap_err();
assert!(e.to_string().contains("100000"), "{e}");
let vertices: Vec<[f64; 2]> = (0..100_002).map(|i| [f64::from(i), f64::from(i % 2)]).collect();
s.execute("pline", &json!({"vertices": vertices})).unwrap();
let pl = s.doc().unwrap().model.last().unwrap().handle.hex();
let n = n + 1;
let e = s.execute("qdim", &json!({"handles": [pl], "at": [0, 3]})).unwrap_err();
assert!(e.to_string().contains("100000"), "{e}");
assert_eq!(s.doc().unwrap().model.iter().count(), n);
}