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BFlat
ee82cdd138
Library collections can be extended in a consuming file (inherited modes, per-mode overrides with reset, extra variables; library updates keep overrides). Variables export to the REST JSON shape or CSS custom properties and import back (merged by name, validated by the REST reader, one undo step). Gradient stops and variant properties bind to variables. Also fixes clicking a gradient stop adding a new stop.
346 lines
15 KiB
Rust
346 lines
15 KiB
Rust
use super::*;
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use figcraft_geom::Point;
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fn page(doc: &Document) -> NodeId {
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doc.first_page().unwrap()
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}
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#[test]
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fn new_document_has_one_page() {
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let d = Document::new("x");
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assert_eq!(d.pages.len(), 1);
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assert_eq!(d.node(page(&d)).unwrap().name, "Page 1");
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assert!(d.validate().is_empty());
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}
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#[test]
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fn create_and_world_transform() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "Frame 1", 100.0, 50.0, 400.0, 300.0).unwrap();
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let r = d.create(f, NodeKind::Rectangle, "Rect", 10.0, 20.0, 50.0, 40.0).unwrap();
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let b = d.world_bounds(r).unwrap();
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assert_eq!((b.x0, b.y0, b.x1, b.y1), (110.0, 70.0, 160.0, 110.0));
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assert!(d.validate().is_empty());
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assert_eq!(d.top_level_frame(r), Some(f));
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}
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#[test]
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fn reparent_keeps_world_position_and_rejects_cycles() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 100.0, 100.0, 400.0, 300.0).unwrap();
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let r = d.create(p, NodeKind::Rectangle, "R", 150.0, 150.0, 10.0, 10.0).unwrap();
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d.reparent(r, f, None).unwrap();
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assert_eq!(d.node(r).unwrap().parent, Some(f));
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let b = d.world_bounds(r).unwrap();
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assert_eq!((b.x0, b.y0), (150.0, 150.0));
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assert!(matches!(d.reparent(f, f, None), Err(DocError::Cycle(..))));
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let g = d.create(f, NodeKind::Group, "G", 0.0, 0.0, 1.0, 1.0).unwrap();
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assert!(matches!(d.reparent(f, g, None), Err(DocError::Cycle(..))));
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let r2 = d.create(p, NodeKind::Rectangle, "R2", 0.0, 0.0, 1.0, 1.0).unwrap();
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assert!(matches!(d.reparent(f, r2, None), Err(DocError::NotContainer(..))));
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assert!(d.validate().is_empty());
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}
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#[test]
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fn reorder_within_parent() {
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let mut d = Document::new("x");
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let p = page(&d);
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let a = d.create(p, NodeKind::Rectangle, "A", 0.0, 0.0, 1.0, 1.0).unwrap();
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let b = d.create(p, NodeKind::Rectangle, "B", 0.0, 0.0, 1.0, 1.0).unwrap();
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let c = d.create(p, NodeKind::Rectangle, "C", 0.0, 0.0, 1.0, 1.0).unwrap();
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d.reparent(a, p, Some(3)).unwrap();
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assert_eq!(d.node(p).unwrap().children, vec![b, c, a]);
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d.reorder(a, 0).unwrap();
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assert_eq!(d.node(p).unwrap().children, vec![a, b, c]);
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}
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#[test]
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fn remove_subtree_and_last_page_guard() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 0.0, 0.0, 10.0, 10.0).unwrap();
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let r = d.create(f, NodeKind::Rectangle, "R", 0.0, 0.0, 1.0, 1.0).unwrap();
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d.remove(f).unwrap();
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assert!(!d.contains(r));
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assert!(d.remove(p).is_err());
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let p2 = d.add_page("Page 2");
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d.remove(p).unwrap();
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assert_eq!(d.pages, vec![p2]);
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}
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#[test]
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fn group_fits_children() {
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let mut d = Document::new("x");
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let p = page(&d);
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let g = d.create(p, NodeKind::Group, "Group 1", 0.0, 0.0, 0.0, 0.0).unwrap();
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d.create(g, NodeKind::Rectangle, "A", 10.0, 10.0, 20.0, 20.0).unwrap();
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let b = d.create(g, NodeKind::Rectangle, "B", 50.0, 40.0, 10.0, 10.0).unwrap();
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d.fit_to_children(g).unwrap();
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let gb = d.world_bounds(g).unwrap();
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assert_eq!((gb.x0, gb.y0, gb.x1, gb.y1), (10.0, 10.0, 60.0, 50.0));
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let bb = d.world_bounds(b).unwrap();
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assert_eq!((bb.x0, bb.y0), (50.0, 40.0));
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}
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#[test]
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fn duplicate_remaps_ids_and_interactions() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 0.0, 0.0, 100.0, 100.0).unwrap();
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let a = d.create(f, NodeKind::Rectangle, "A", 0.0, 0.0, 10.0, 10.0).unwrap();
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let b = d.create(f, NodeKind::Rectangle, "B", 20.0, 0.0, 10.0, 10.0).unwrap();
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d.get_mut(a).unwrap().interactions.push(proto::Interaction {
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trigger: proto::Trigger::OnClick,
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actions: vec![proto::Action::Navigate { dest: b, preserve_scroll: false }],
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transition: proto::Transition::Instant,
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duration_ms: 300,
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easing: proto::Easing::EaseOut,
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});
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let f2 = d.duplicate_into(f, p, None).unwrap();
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let kids = d.node(f2).unwrap().children.clone();
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assert_eq!(kids.len(), 2);
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assert!(!kids.contains(&a));
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let a2 = d.node(kids[0]).unwrap();
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let proto::Action::Navigate { dest, .. } = a2.interactions[0].actions[0] else { panic!() };
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assert_eq!(dest, kids[1]);
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assert!(d.validate().is_empty());
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}
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#[test]
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fn hit_test_respects_z_and_clip() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 0.0, 0.0, 100.0, 100.0).unwrap();
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let a = d.create(f, NodeKind::Rectangle, "A", 10.0, 10.0, 50.0, 50.0).unwrap();
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let b = d.create(f, NodeKind::Rectangle, "B", 30.0, 30.0, 50.0, 50.0).unwrap();
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let outside = d.create(f, NodeKind::Rectangle, "Out", 90.0, 90.0, 50.0, 50.0).unwrap();
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assert_eq!(d.hit_test(p, Point::new(40.0, 40.0), 0.0), Some(b));
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assert_eq!(d.hit_test(p, Point::new(15.0, 15.0), 0.0), Some(a));
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assert_eq!(d.hit_test(p, Point::new(95.0, 95.0), 0.0), Some(outside));
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// Clipped part of `outside` isn't hit.
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assert_eq!(d.hit_test(p, Point::new(120.0, 120.0), 0.0), None);
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assert_eq!(d.hit_test(p, Point::new(5.0, 95.0), 0.0), Some(f));
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}
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#[test]
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fn click_target_rules() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 0.0, 0.0, 200.0, 200.0).unwrap();
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let g = d.create(f, NodeKind::Group, "G", 0.0, 0.0, 0.0, 0.0).unwrap();
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let r = d.create(g, NodeKind::Rectangle, "R", 10.0, 10.0, 20.0, 20.0).unwrap();
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d.fit_to_children(g).unwrap();
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let leaf = d.hit_test(p, Point::new(15.0, 15.0), 0.0).unwrap();
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assert_eq!(leaf, r);
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// Child of a top-level frame: the group.
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assert_eq!(geometry::select_target(&d, leaf, &[], false), g);
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// With the group selected, a click enters it.
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assert_eq!(geometry::select_target(&d, leaf, &[r], false), r);
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// Deep select.
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assert_eq!(geometry::select_target(&d, leaf, &[], true), r);
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// Top-level group selects as a whole.
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let g2 = d.create(p, NodeKind::Group, "G2", 0.0, 0.0, 0.0, 0.0).unwrap();
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let r2 = d.create(g2, NodeKind::Rectangle, "R2", 300.0, 0.0, 20.0, 20.0).unwrap();
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d.fit_to_children(g2).unwrap();
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assert_eq!(geometry::select_target(&d, r2, &[], false), g2);
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}
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#[test]
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fn text_runs_restyle_and_replace() {
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let mut t = TextData::new("Hello world");
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t.restyle(0, 5, |s| s.font_style = "Bold".into());
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assert_eq!(t.runs.len(), 1);
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assert_eq!(t.style_at(0).font_style, "Bold");
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assert_eq!(t.style_at(6).font_style, "Regular");
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t.replace_range(5, 5, "!!");
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assert_eq!(t.characters, "Hello!! world");
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// Typed text at the end of a run takes its style.
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assert_eq!(t.style_at(6).font_style, "Bold");
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assert_eq!(t.spans().len(), 2);
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t.restyle(0, 100, |s| s.font_size = 20.0);
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assert!(t.spans().iter().all(|(_, _, s)| s.font_size == 20.0));
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t.restyle(0, 13, |s| s.font_style = "Regular".into());
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assert!(t.is_uniform());
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t.replace_range(0, 99, "");
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assert_eq!(t.characters, "");
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}
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#[test]
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fn text_case() {
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assert_eq!(TextCase::Title.apply("hello big world"), "Hello Big World");
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assert_eq!(style_weight("Semi Bold Italic"), 600);
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assert_eq!(style_weight("Black"), 900);
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assert_eq!(style_weight("Regular"), 400);
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}
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#[test]
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fn vector_network_paths() {
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let net = VectorNetwork::from_points(&[Point::new(0.0, 0.0), Point::new(10.0, 0.0), Point::new(10.0, 10.0)], true);
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use figcraft_geom::Shape;
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assert!((net.fill_path().area().abs() - 50.0).abs() < 1e-9);
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let open = VectorNetwork::from_points(&[Point::new(0.0, 0.0), Point::new(10.0, 0.0), Point::new(10.0, 10.0)], false);
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assert!(open.fill_path().elements().is_empty());
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assert_eq!(open.stroke_path().segments().count(), 2);
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// Round-trip a bezier path.
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let rr = figcraft_geom::rounded_rect(40.0, 20.0, [5.0; 4], 0.0);
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let n2 = VectorNetwork::from_path(&rr);
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assert!((n2.fill_path().area() - rr.area()).abs() < 1e-6);
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let mut bad = VectorNetwork {
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vertices: vec![Vertex::new(0.0, 0.0)],
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segments: vec![Segment::line(0, 5)],
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regions: vec![Region { loops: vec![vec![0, 9]], winding: WindingRule::EvenOdd }],
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};
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bad.sanitize();
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assert!(bad.segments.is_empty());
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let _ = bad.fill_path();
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}
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#[test]
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fn variables_resolve_modes_and_aliases() {
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let mut v = Variables::default();
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v.collections.push(Collection {
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id: "c1".into(),
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name: "Theme".into(),
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modes: vec![Mode { id: "light".into(), name: "Light".into() }, Mode { id: "dark".into(), name: "Dark".into() }],
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extends: None,
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});
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let mut vals = std::collections::BTreeMap::new();
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vals.insert("light".to_string(), VariableValue::Color(Color::WHITE));
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vals.insert("dark".to_string(), VariableValue::Color(Color::BLACK));
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v.variables.push(Variable {
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id: "bg".into(),
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name: "bg".into(),
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collection: "c1".into(),
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kind: VariableType::Color,
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values: vals,
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description: String::new(),
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scopes: None,
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hidden_from_publishing: false,
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extends: None,
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overrides: Default::default(),
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});
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let mut alias = std::collections::BTreeMap::new();
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alias.insert("light".to_string(), VariableValue::Alias("bg".into()));
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v.variables.push(Variable {
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id: "surface".into(),
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name: "surface".into(),
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collection: "c1".into(),
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kind: VariableType::Color,
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values: alias,
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description: String::new(),
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scopes: None,
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hidden_from_publishing: false,
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extends: None,
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overrides: Default::default(),
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});
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let mut modes = std::collections::BTreeMap::new();
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assert_eq!(v.resolve("surface", &modes), Some(VariableValue::Color(Color::WHITE)));
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modes.insert("c1".to_string(), "dark".to_string());
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assert_eq!(v.resolve("bg", &modes), Some(VariableValue::Color(Color::BLACK)));
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// Cycle.
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let mut cyc = std::collections::BTreeMap::new();
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cyc.insert("light".to_string(), VariableValue::Alias("loop".into()));
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v.variables.push(Variable {
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id: "loop".into(),
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name: "loop".into(),
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collection: "c1".into(),
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kind: VariableType::Color,
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values: cyc,
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description: String::new(),
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scopes: None,
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hidden_from_publishing: false,
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extends: None,
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overrides: Default::default(),
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});
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assert_eq!(v.resolve("loop", &std::collections::BTreeMap::new()), None);
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}
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#[test]
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fn serde_roundtrip_and_repair() {
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let mut d = Document::new("x");
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let p = page(&d);
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let f = d.create(p, NodeKind::Frame, "F", 0.0, 0.0, 100.0, 100.0).unwrap();
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d.get_mut(f).unwrap().layout = Some(AutoLayout::default());
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d.create(f, NodeKind::Text(TextData::new("Hi")), "Hi", 0.0, 0.0, 10.0, 10.0).unwrap();
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d.create(f, NodeKind::Star { count: 5, inner_ratio: 0.4 }, "S", 0.0, 0.0, 10.0, 10.0).unwrap();
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let j = serde_json::to_string(&d).unwrap();
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let back: Document = serde_json::from_str(&j).unwrap();
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assert_eq!(back, d);
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// Corrupt: dangling child, orphan.
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let mut v: serde_json::Value = serde_json::from_str(&j).unwrap();
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v["nodes"][f.to_string()]["children"].as_array_mut().unwrap().push(serde_json::json!(999));
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let mut bad: Document = serde_json::from_value(v).unwrap();
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assert!(!bad.validate().is_empty());
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bad.repair();
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assert!(bad.validate().is_empty(), "{:?}", bad.validate());
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}
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#[test]
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fn auto_layout_loads_files_without_grid_tracks() {
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// Saved before grid tracks, cells and spans existed.
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let al: AutoLayout = serde_json::from_str(r#"{"mode":"grid","gap":4,"grid_columns":3,"grid_rows":2}"#).unwrap();
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assert_eq!((al.grid_columns, al.column_tracks.len(), al.row_tracks.len()), (3, 0, 0));
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let cl: ChildLayout = serde_json::from_str(r#"{"sizing_h":"fill","absolute":true,"min_w":10}"#).unwrap();
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assert_eq!((cl.grid_column, cl.grid_row, cl.column_span(), cl.row_span()), (None, None, 1, 1));
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// Tracks round-trip; a track missing its value reads as the default kind's value.
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let t: GridTrack = serde_json::from_str(r#"{"sizing":"fixed","value":120}"#).unwrap();
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assert_eq!(t, GridTrack::fixed(120.0));
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assert_eq!(serde_json::from_str::<GridTrack>("{}").unwrap(), GridTrack::fill(1.0));
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}
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#[test]
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fn node_id_parse() {
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assert_eq!("12".parse::<NodeId>().unwrap(), NodeId(12));
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assert_eq!("0:12".parse::<NodeId>().unwrap(), NodeId(12));
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assert!("x".parse::<NodeId>().is_err());
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}
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#[test]
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fn next_name_increments() {
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let mut d = Document::new("x");
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let p = page(&d);
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d.create(p, NodeKind::Frame, "Frame 1", 0.0, 0.0, 1.0, 1.0).unwrap();
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d.create(p, NodeKind::Frame, "Frame 7", 0.0, 0.0, 1.0, 1.0).unwrap();
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assert_eq!(d.next_name("Frame"), "Frame 8");
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assert_eq!(d.next_name("Ellipse"), "Ellipse 1");
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}
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#[test]
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fn custom_easings() {
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use crate::proto::Easing;
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// cubic-bezier(0.25, 0.1, 0.25, 1) is CSS `ease`: 0.8024 at half time.
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let ease = Easing::CustomBezier { x1: 0.25, y1: 0.1, x2: 0.25, y2: 1.0 };
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assert!((ease.eval(0.5) - 0.8024).abs() < 1e-3, "{}", ease.eval(0.5));
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let linear = Easing::CustomBezier { x1: 0.0, y1: 0.0, x2: 1.0, y2: 1.0 };
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for t in [0.0, 0.1, 0.37, 0.9, 1.0] {
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assert!((linear.eval(t) - t).abs() < 1e-6);
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}
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// Springs start at 0, end at 1; an under-damped one overshoots.
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let bouncy = Easing::CustomSpring { mass: 1.0, stiffness: 300.0, damping: 6.0 };
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assert!(bouncy.eval(0.0).abs() < 1e-9);
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assert_eq!(bouncy.eval(1.0), 1.0);
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assert!((0..100).map(|i| bouncy.eval(f64::from(i) / 100.0)).any(|v| v > 1.01), "overshoots");
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let stiff = Easing::CustomSpring { mass: 1.0, stiffness: 100.0, damping: 40.0 };
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assert!((0..100).map(|i| stiff.eval(f64::from(i) / 100.0)).all(|v| (-1e-9..=1.0 + 1e-9).contains(&v)), "over-damped never overshoots");
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assert!(Easing::CUSTOM_SPRING.is_spring());
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// Junk values stay finite.
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for e in [
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Easing::CustomBezier { x1: f64::NAN, y1: f64::INFINITY, x2: -5.0, y2: 1e300 },
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Easing::CustomSpring { mass: 0.0, stiffness: -1.0, damping: f64::NAN },
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Easing::CustomSpring { mass: 1e300, stiffness: 1e-300, damping: 0.0 },
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] {
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for i in 0..=20 {
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assert!(e.eval(f64::from(i) / 20.0).is_finite());
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}
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}
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// Serde: presets stay strings, custom curves are objects.
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assert_eq!(serde_json::to_value(Easing::Gentle).unwrap(), serde_json::json!("gentle"));
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let v = serde_json::to_value(Easing::CUSTOM_BEZIER).unwrap();
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assert_eq!(v["customBezier"]["x1"], serde_json::json!(0.42));
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let back: Easing = serde_json::from_value(serde_json::json!({"customSpring": {"mass": 2, "stiffness": 50, "damping": 5}})).unwrap();
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assert_eq!(back, Easing::CustomSpring { mass: 2.0, stiffness: 50.0, damping: 5.0 });
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assert_eq!(serde_json::from_value::<Easing>(serde_json::json!("easeInOut")).unwrap(), Easing::EaseInOut);
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}
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