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* Build: line tables only in dev, no debug info for dependencies * Tests: one integration-test binary per crate Each crate's tests/*.rs becomes a module of tests/it/main.rs. Files that install process-wide state (the file io hooks, user aliases, SAVETIME and SAVEFILEPATH, user linetype and pattern files, registered fonts) stay their own test binaries. * xtask ci: nextest, tests without examples, one wasm check call
310 lines
17 KiB
Rust
310 lines
17 KiB
Rust
//! Multilines (#510): the MLINE entity with its style's elements, MLSTYLE, MLEDIT, and the
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//! edits, grips, snaps, selection and rendering every object gets.
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use cadcraft_doc::{EntityKind, Handle, MLine, Space};
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use cadcraft_engine::Session;
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use cadcraft_engine::snap::{self, mode};
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use cadcraft_geom::Vec2;
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use serde_json::{Value, json};
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fn h(v: &Value) -> Handle {
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Handle::parse_hex(v["handle"].as_str().unwrap()).unwrap()
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}
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fn mline(s: &Session, hd: Handle) -> MLine {
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match &s.doc().unwrap().entity(hd).unwrap().kind {
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EntityKind::MLine(m) => m.clone(),
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k => panic!("not a multiline: {k:?}"),
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}
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}
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/// Element pieces of a multiline, rounded, sorted: (x1, y1, x2, y2).
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fn pieces(m: &MLine) -> Vec<[f64; 4]> {
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let r = |v: f64| (v * 1e6).round() / 1e6 + 0.0;
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let mut v: Vec<[f64; 4]> = m.geometry().lines.iter().map(|(_, a, b)| [r(a.x), r(a.y), r(b.x), r(b.y)]).collect();
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v.sort_by(|a, b| a.partial_cmp(b).unwrap());
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v
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}
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/// A horizontal multiline (0,0)–(10,0) and a vertical one (5,-5)–(5,5), both centred (Zero)
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/// with scale 2: elements at y = ±1 and x = 4 / 6.
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fn crossing(s: &mut Session) -> (Handle, Handle) {
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]], "justification": "zero", "scale": 2})).unwrap());
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let b = h(&s.execute("mline", &json!({"points": [[5, -5], [5, 5]], "justification": "zero", "scale": 2})).unwrap());
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(a, b)
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}
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#[test]
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fn mline_is_one_object_with_the_standard_style() {
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let mut s = Session::new();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0], [10, 5]]})).unwrap());
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assert_eq!(s.doc().unwrap().model.len(), 1);
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let m = mline(&s, a);
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assert_eq!(m.style, "STANDARD");
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// Top justification: the first element runs through the points, the other one unit to the right.
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assert_eq!(pieces(&m), vec![[0.0, -1.0, 11.0, -1.0], [0.0, 0.0, 10.0, 0.0], [10.0, 0.0, 10.0, 5.0], [11.0, -1.0, 11.0, 5.0]]);
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assert_eq!(s.doc().unwrap().model.iter().next().unwrap().kind.type_name(), "MLine");
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assert!(s.execute("mline", &json!({"points": [[0, 0]]})).is_err());
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assert!(s.execute("mline", &json!({"points": [[0, 0], [1, 0]], "style": "NOPE"})).is_err());
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}
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#[test]
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fn mlstyle_defines_elements_caps_and_fill() {
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let mut s = Session::new();
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let r = s
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.execute(
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"mlstyle",
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&json!({"name": "Wall", "elements": [{"offset": 0.5, "color": "red"}, {"offset": 0}, {"offset": -0.5, "linetype": "Hidden"}],
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"fill": "yellow", "joints": true, "startCaps": {"line": true}, "endCaps": {"outerArc": true}, "current": false}),
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)
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.unwrap();
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assert_eq!(r["current"], "STANDARD");
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assert_eq!(r["styles"].as_array().unwrap().len(), 2);
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0], [10, 10]], "style": "wall", "justification": "zero"})).unwrap());
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let m = mline(&s, a);
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assert_eq!(m.style, "Wall");
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assert_eq!(m.def.elements.len(), 3);
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let g = m.geometry();
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assert_eq!(g.lines.len(), 6);
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// Start cap line, end half circle, one joint at the corner.
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assert_eq!(g.caps.len(), 3);
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assert_eq!(g.fill.len(), 1);
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// A style in use keeps its elements; its description may change.
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assert!(s.execute("mlstyle", &json!({"name": "Wall", "elements": [{"offset": 1}, {"offset": -1}]})).is_err());
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s.execute("mlstyle", &json!({"name": "Wall", "description": "outer walls", "current": false})).unwrap();
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assert!(s.execute("mlstyle", &json!({"delete": "Wall"})).is_err(), "in use");
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assert!(s.execute("mlstyle", &json!({"delete": "STANDARD"})).is_err());
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assert!(s.execute("mlstyle", &json!({"name": "Bad", "elements": []})).is_err());
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assert!(s.execute("mlstyle", &json!({"name": "Bad", "startCaps": {"angle": 5}})).is_err());
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// New styles become current; MLINE then draws with them.
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s.execute("mlstyle", &json!({"name": "Thin", "copyFrom": "Wall", "fill": false})).unwrap();
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assert_eq!(s.doc().unwrap().header.str("CMLSTYLE", ""), "Thin");
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let b = h(&s.execute("mline", &json!({"points": [[0, 20], [5, 20]]})).unwrap());
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assert_eq!(mline(&s, b).def.elements.len(), 3);
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assert!(mline(&s, b).def.fill.is_none());
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s.execute("erase", &json!({"handles": [b.hex()]})).unwrap();
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s.execute("mlstyle", &json!({"name": "Thin", "rename": "Slim"})).unwrap();
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assert_eq!(s.doc().unwrap().header.str("CMLSTYLE", ""), "Slim");
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s.execute("mlstyle", &json!({"name": "STANDARD"})).unwrap();
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s.execute("mlstyle", &json!({"delete": "Slim"})).unwrap();
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assert!(s.doc().unwrap().mline_style("Slim").is_none());
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}
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#[test]
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fn mline_command_line_style_option() {
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let mut s = Session::new();
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s.execute("mlstyle", &json!({"name": "Triple", "elements": [{"offset": 1}, {"offset": 0}, {"offset": -1}], "current": false})).unwrap();
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s.cmdline("mline st ?").unwrap();
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assert!(s.log.iter().any(|l| l.contains("Triple")), "{:?}", s.log);
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for t in ["triple", "j z 0,0 10,0", ""] {
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s.cmdline(t).unwrap();
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}
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assert!(s.running.is_none());
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let m = match &s.doc().unwrap().model.iter().last().unwrap().kind {
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EntityKind::MLine(m) => m.clone(),
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k => panic!("{k:?}"),
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};
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assert_eq!((m.style.as_str(), m.def.elements.len()), ("Triple", 3));
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assert_eq!(s.doc().unwrap().header.str("CMLSTYLE", ""), "Triple");
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assert!(s.cmdline("mline st nosuch").is_err() || s.log.iter().any(|l| l.contains("Cannot find")));
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}
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#[test]
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fn mledit_crosses() {
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// Closed cross: the first multiline is broken where the second crosses it.
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let mut s = Session::new();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "cc", "first": a.hex(), "p1": [2, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, -1.0, 4.0, -1.0], [0.0, 1.0, 4.0, 1.0], [6.0, -1.0, 10.0, -1.0], [6.0, 1.0, 10.0, 1.0]]);
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assert_eq!(pieces(&mline(&s, b)).len(), 2);
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// Open cross: the second one's outer elements open too.
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let mut s = Session::new();
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let (a, b) = crossing(&mut s);
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s.cmdline("mledit oc 2,1 4,3").unwrap();
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s.cmdline("").unwrap();
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assert_eq!(pieces(&mline(&s, a)).len(), 4);
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assert_eq!(pieces(&mline(&s, b)), vec![[4.0, -5.0, 4.0, -1.0], [4.0, 1.0, 4.0, 5.0], [6.0, -5.0, 6.0, -1.0], [6.0, 1.0, 6.0, 5.0]]);
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// Merged cross: the outer elements of both break, inner ones run through.
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let mut s = Session::new();
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s.execute("mlstyle", &json!({"name": "C", "elements": [{"offset": 0.5}, {"offset": 0}, {"offset": -0.5}]})).unwrap();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "mc", "first": a.hex(), "p1": [2, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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assert_eq!(pieces(&mline(&s, a)).len(), 5);
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assert_eq!(pieces(&mline(&s, b)).len(), 5);
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assert!(pieces(&mline(&s, a)).contains(&[0.0, 0.0, 10.0, 0.0]), "centre line continues");
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}
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#[test]
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fn mledit_tees_and_corner() {
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// Closed tee: the first multiline ends at the second one's near side.
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let mut s = Session::new();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "ct", "first": a.hex(), "p1": [1, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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let m = mline(&s, a);
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assert_eq!(m.points(), vec![Vec2::new(0.0, 0.0), Vec2::new(4.0, 0.0)]);
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assert!(m.no_end_caps);
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assert_eq!(pieces(&mline(&s, b)).len(), 2);
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// Open tee: the second one opens where the first meets it.
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let mut s = Session::new();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "ot", "first": a.hex(), "p1": [9, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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assert_eq!(mline(&s, a).points(), vec![Vec2::new(6.0, 0.0), Vec2::new(10.0, 0.0)]);
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assert_eq!(pieces(&mline(&s, b)), vec![[4.0, -5.0, 4.0, 5.0], [6.0, -5.0, 6.0, -1.0], [6.0, 1.0, 6.0, 5.0]]);
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// Merged tee: the outer elements stop at the second's near side, which opens, and the inner
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// ones run on to the second's inner element, which runs through.
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let mut s = Session::new();
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s.execute("mlstyle", &json!({"name": "C", "elements": [{"offset": 0.5}, {"offset": 0}, {"offset": -0.5}]})).unwrap();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "mt", "first": a.hex(), "p1": [9, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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assert_eq!(mline(&s, a).points(), vec![Vec2::new(5.0, 0.0), Vec2::new(10.0, 0.0)]);
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assert_eq!(pieces(&mline(&s, a)), vec![[5.0, 0.0, 10.0, 0.0], [6.0, -1.0, 10.0, -1.0], [6.0, 1.0, 10.0, 1.0]]);
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assert_eq!(pieces(&mline(&s, b)), vec![[4.0, -5.0, 4.0, 5.0], [5.0, -5.0, 5.0, 5.0], [6.0, -5.0, 6.0, -1.0], [6.0, 1.0, 6.0, 5.0]]);
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// Picked on the other side, from the command line.
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let mut s = Session::new();
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s.execute("mlstyle", &json!({"name": "C", "elements": [{"offset": 0.5}, {"offset": 0}, {"offset": -0.5}]})).unwrap();
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let (a, b) = crossing(&mut s);
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s.cmdline("mledit mt 1,0 5,3").unwrap();
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s.cmdline("").unwrap();
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, -1.0, 4.0, -1.0], [0.0, 0.0, 5.0, 0.0], [0.0, 1.0, 4.0, 1.0]]);
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assert_eq!(pieces(&mline(&s, b)), vec![[4.0, -5.0, 4.0, -1.0], [4.0, 1.0, 4.0, 5.0], [5.0, -5.0, 5.0, 5.0], [6.0, -5.0, 6.0, 5.0]]);
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// Two elements have nothing inner to merge: the same as the open tee.
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let mut s = Session::new();
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let (a, b) = crossing(&mut s);
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s.execute("mledit", &json!({"tool": "mt", "first": a.hex(), "p1": [9, 0], "second": b.hex(), "p2": [5, 3]})).unwrap();
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assert_eq!(mline(&s, a).points(), vec![Vec2::new(6.0, 0.0), Vec2::new(10.0, 0.0)]);
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assert_eq!(pieces(&mline(&s, b)), vec![[4.0, -5.0, 4.0, 5.0], [6.0, -5.0, 6.0, -1.0], [6.0, 1.0, 6.0, 5.0]]);
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// Corner joint: two multilines become one round the corner.
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let mut s = Session::new();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]]})).unwrap());
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let b = h(&s.execute("mline", &json!({"points": [[12, 2], [12, 10]]})).unwrap());
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s.execute("mledit", &json!({"tool": "cj", "first": a.hex(), "p1": [2, 0], "second": b.hex(), "p2": [12, 8]})).unwrap();
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assert_eq!(s.doc().unwrap().model.len(), 1);
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assert_eq!(mline(&s, a).points(), vec![Vec2::new(0.0, 0.0), Vec2::new(12.0, 0.0), Vec2::new(12.0, 10.0)]);
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}
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#[test]
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fn mledit_vertices_cuts_and_welds() {
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let mut s = Session::new();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]], "justification": "zero", "scale": 2})).unwrap());
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s.execute("mledit", &json!({"tool": "av", "handle": a.hex(), "point": [5, 0.3]})).unwrap();
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assert_eq!(mline(&s, a).vertices.len(), 3);
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s.execute("mledit", &json!({"tool": "dv", "handle": a.hex(), "point": [5.2, 0]})).unwrap();
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assert_eq!(mline(&s, a).points(), vec![Vec2::new(0.0, 0.0), Vec2::new(10.0, 0.0)]);
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assert!(s.execute("mledit", &json!({"tool": "dv", "handle": a.hex(), "point": [0, 0]})).is_err(), "two vertices stay");
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// Cut single: only the element picked.
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s.execute("mledit", &json!({"tool": "cs", "handle": a.hex(), "p1": [3, 1.1], "p2": [5, 1]})).unwrap();
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, -1.0, 10.0, -1.0], [0.0, 1.0, 3.0, 1.0], [5.0, 1.0, 10.0, 1.0]]);
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// Cut all, then weld all over both breaks.
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s.cmdline("mledit ca 7,1 8,1").unwrap();
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s.cmdline("").unwrap();
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assert_eq!(pieces(&mline(&s, a)).len(), 5);
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s.execute("mledit", &json!({"tool": "wa", "handle": a.hex(), "p1": [2, 0], "p2": [9, 0]})).unwrap();
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, -1.0, 10.0, -1.0], [0.0, 1.0, 10.0, 1.0]]);
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// Undo brings the breaks back.
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s.execute("u", &json!({})).unwrap();
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assert_eq!(pieces(&mline(&s, a)).len(), 5);
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}
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#[test]
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fn transforms_grips_explode() {
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let mut s = Session::new();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]]})).unwrap());
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s.execute("mledit", &json!({"tool": "ca", "handle": a.hex(), "p1": [4, 0], "p2": [6, 0]})).unwrap();
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// Mirrored: the second element moves to the other side.
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s.execute("mirror", &json!({"handles": [a.hex()], "p1": [0, 0], "p2": [1, 0], "erase": true})).unwrap();
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let a = s.doc().unwrap().model.iter().last().unwrap().handle;
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, 0.0, 4.0, 0.0], [0.0, 1.0, 4.0, 1.0], [6.0, 0.0, 10.0, 0.0], [6.0, 1.0, 10.0, 1.0]]);
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// Scaled: offsets and breaks scale.
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s.execute("scale", &json!({"handles": [a.hex()], "base": [0, 0], "factor": 2})).unwrap();
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assert_eq!(pieces(&mline(&s, a)), vec![[0.0, 0.0, 8.0, 0.0], [0.0, 2.0, 8.0, 2.0], [12.0, 0.0, 20.0, 0.0], [12.0, 2.0, 20.0, 2.0]]);
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s.execute("move", &json!({"handles": [a.hex()], "delta": [1, 1]})).unwrap();
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s.execute("rotate", &json!({"handles": [a.hex()], "base": [1, 1], "angle": 90})).unwrap();
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let near = |p: &[Vec2], q: &[Vec2]| p.len() == q.len() && p.iter().zip(q).all(|(a, b)| a.near(*b, 1e-9));
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assert!(near(&mline(&s, a).points(), &[Vec2::new(1.0, 1.0), Vec2::new(1.0, 21.0)]));
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// Grips are the vertices.
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let k = s.doc().unwrap().entity(a).unwrap().kind.clone();
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assert!(near(&k.grips(), &mline(&s, a).points()));
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let moved = cadcraft_engine::grips::stretch_grip(&k, 1, Vec2::new(5.0, 21.0)).unwrap();
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let EntityKind::MLine(m) = moved else { panic!() };
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assert_eq!(m.points()[1], Vec2::new(5.0, 21.0));
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// Explode: lines in the elements' colours.
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let mut s = Session::new();
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s.execute(
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"mlstyle",
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&json!({"name": "R", "elements": [{"offset": 0.5, "color": "red"}, {"offset": -0.5}], "endCaps": {"line": true, "outerArc": true}}),
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)
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.unwrap();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]]})).unwrap());
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s.execute("explode", &json!({"handles": [a.hex()]})).unwrap();
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let d = s.doc().unwrap();
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let lines = d.model.iter().filter(|e| matches!(e.kind, EntityKind::Line(_))).count();
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let arcs = d.model.iter().filter(|e| matches!(e.kind, EntityKind::Arc(_))).count();
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assert_eq!((lines, arcs), (3, 1));
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assert!(d.model.iter().any(|e| e.common.color == cadcraft_color::Color::Index(1)));
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assert!(!d.model.iter().any(|e| matches!(e.kind, EntityKind::MLine(_))));
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}
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#[test]
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fn snaps_selection_extents_and_render() {
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let mut s = Session::new();
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s.execute("mlstyle", &json!({"name": "R", "elements": [{"offset": 0.5, "color": "red"}, {"offset": -0.5}], "fill": "blue"})).unwrap();
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let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]], "justification": "zero"})).unwrap());
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let d = s.doc().unwrap();
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// Endpoint of the lower element, and the intersection-free midpoint of the upper one.
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let hit = snap::osnap(d, &Space::Model, Vec2::new(10.05, -0.45), 0.3, mode::END, None, false).unwrap();
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assert_eq!(hit.point, Vec2::new(10.0, -0.5));
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let hit = snap::osnap(d, &Space::Model, Vec2::new(5.05, 0.45), 0.3, mode::MID, None, false).unwrap();
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assert_eq!(hit.point, Vec2::new(5.0, 0.5));
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// Picking an element picks the multiline.
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assert_eq!(cadcraft_engine::select::pick(d, &Space::Model, Vec2::new(3.0, 0.52), 0.1), Some(a));
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let ext = d.extents(&Space::Model);
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assert!(ext.min.near(Vec2::new(0.0, -0.5), 1e-9) && ext.max.near(Vec2::new(10.0, 0.5), 1e-9), "{ext:?}");
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||
// Drawn: the fill, and each element in its own colour.
|
||
let list = cadcraft_render::build(d, &Space::Model, &cadcraft_render::Options::default());
|
||
let red = cadcraft_color::aci_rgb(1);
|
||
let blue = cadcraft_color::aci_rgb(5);
|
||
assert!(list.prims.iter().any(|p| p.color == red && matches!(p.kind, cadcraft_render::Kind::Polyline)));
|
||
assert!(list.prims.iter().any(|p| p.color == blue && matches!(p.kind, cadcraft_render::Kind::Tris)));
|
||
}
|
||
|
||
#[test]
|
||
fn hostile_mline_params_never_panic() {
|
||
let mut s = Session::new();
|
||
let a = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]]})).unwrap());
|
||
let b = h(&s.execute("mline", &json!({"points": [[0, 0], [10, 0]]})).unwrap());
|
||
let bad = [
|
||
("mline", json!({"points": [[0, 0], [1e308, 1e308], [-1e308, 0]], "scale": 1e308})),
|
||
("mline", json!({"points": [[0, 0], [0, 0], [0, 0]]})),
|
||
("mline", json!({"points": "x", "closed": true})),
|
||
("mlstyle", json!({"name": "X", "elements": [{"offset": 1e308}, {"offset": "a"}]})),
|
||
("mlstyle", json!({"name": "X", "elements": (0..100).map(|i| json!({"offset": i})).collect::<Vec<_>>()})),
|
||
("mlstyle", json!({"name": "", "fill": 99999})),
|
||
("mlstyle", json!({"name": "a<b"})),
|
||
("mledit", json!({"tool": "cc", "first": a.hex(), "p1": [0, 0], "second": b.hex(), "p2": [0, 0]})),
|
||
("mledit", json!({"tool": "cj", "first": a.hex(), "p1": [0, 0], "second": b.hex(), "p2": [1e308, 0]})),
|
||
("mledit", json!({"tool": "ct", "first": a.hex(), "p1": [0, 0], "second": a.hex(), "p2": [0, 0]})),
|
||
("mledit", json!({"tool": "cs", "handle": a.hex(), "p1": [1e308, 0], "p2": [-1e308, 0]})),
|
||
("mledit", json!({"tool": "av", "handle": "zz", "point": [0, 0]})),
|
||
("mledit", json!({"tool": "nope"})),
|
||
];
|
||
for (id, p) in bad {
|
||
let _ = s.execute(id, &p);
|
||
}
|
||
for t in ["mledit", "cc", "0,0", "0,0", "", "mline", "s", "-1e308", "0,0", "1,1", ""] {
|
||
let _ = s.cmdline(t);
|
||
}
|
||
// Everything left draws.
|
||
let d = s.doc().unwrap();
|
||
let _ = cadcraft_render::build(d, &Space::Model, &cadcraft_render::Options::default());
|
||
}
|