| 1 | use super::*; |
| 2 | use ratatui::text::Span; |
| 3 | |
| 4 | fn dot_cameo(area: Rect, age: u128, activity: AmbientActivity) -> (Buffer, AmbientFrameStats) { |
| 5 | let mut buf = Buffer::empty(area); |
| 6 | let mut stats = AmbientFrameStats::default(); |
| 7 | pet_cameo::paint( |
| 8 | area, |
| 9 | &mut buf, |
| 10 | Color::Cyan, |
| 11 | &[], |
| 12 | 1.0, |
| 13 | WhaleCameo { |
| 14 | elapsed_ms: Some(age), |
| 15 | anchor_x: area.x + area.width / 2, |
| 16 | anchor_y: area.y + area.height / 2, |
| 17 | }, |
| 18 | activity, |
| 19 | &mut stats, |
| 20 | ); |
| 21 | (buf, stats) |
| 22 | } |
| 23 | |
| 24 | #[test] |
| 25 | fn dot_cameo_is_bounded_and_independent_of_draw_history() { |
| 26 | let area = Rect::new(7, 11, 80, 24); |
| 27 | let (first, stats) = dot_cameo(area, 500, AmbientActivity::Baseline); |
| 28 | assert!(stats.marks_painted > 0); |
| 29 | dot_cameo(area, 1_900, AmbientActivity::Subagents); |
| 30 | dot_cameo(Rect::new(0, 0, 140, 40), 100, AmbientActivity::Baseline); |
| 31 | assert_eq!(first, dot_cameo(area, 500, AmbientActivity::Baseline).0); |
| 32 | assert_ne!(first, dot_cameo(area, 900, AmbientActivity::Baseline).0); |
| 33 | assert_eq!( |
| 34 | dot_cameo(area, 2_400, AmbientActivity::Baseline).1, |
| 35 | AmbientFrameStats::default() |
| 36 | ); |
| 37 | assert_eq!( |
| 38 | dot_cameo(area, u128::MAX, AmbientActivity::Subagents).1, |
| 39 | AmbientFrameStats::default() |
| 40 | ); |
| 41 | } |
| 42 | |
| 43 | #[test] |
| 44 | fn dot_cameo_withholds_whole_body_when_label_touches_wide_text() { |
| 45 | let area = Rect::new(7, 11, 80, 24); |
| 46 | let (clear, clear_stats) = dot_cameo(area, 500, AmbientActivity::Baseline); |
| 47 | let label_cell = clear |
| 48 | .content |
| 49 | .iter() |
| 50 | .position(|cell| cell.symbol() == "o") |
| 51 | .unwrap(); |
| 52 | let (x, y) = ( |
| 53 | label_cell % area.width as usize, |
| 54 | label_cell / area.width as usize, |
| 55 | ); |
| 56 | let mut lines = vec![Line::from(""); area.height as usize]; |
| 57 | lines[y] = Line::from(format!("{}鲸", " ".repeat(x))); |
| 58 | let mut buf = Buffer::empty(area); |
| 59 | buf.set_line(area.x, area.y + y as u16, &lines[y], area.width); |
| 60 | let before = buf.clone(); |
| 61 | let mut stats = AmbientFrameStats::default(); |
| 62 | pet_cameo::paint( |
| 63 | area, |
| 64 | &mut buf, |
| 65 | Color::Cyan, |
| 66 | &lines, |
| 67 | 1.0, |
| 68 | WhaleCameo { |
| 69 | elapsed_ms: Some(500), |
| 70 | anchor_x: area.x + 40, |
| 71 | anchor_y: area.y + 12, |
| 72 | }, |
| 73 | AmbientActivity::Baseline, |
| 74 | &mut stats, |
| 75 | ); |
| 76 | assert_eq!( |
| 77 | before, buf, |
| 78 | "a label collision must withhold every particle too" |
| 79 | ); |
| 80 | assert_eq!(stats.marks_skipped_text, clear_stats.marks_built); |
| 81 | assert_eq!(stats.marks_painted, 0); |
| 82 | } |
| 83 | |
| 84 | #[test] |
| 85 | fn narrow_pod_members_are_withheld_instead_of_stacked() { |
| 86 | let area = Rect::new(0, 0, 40, 12); |
| 87 | let (buf, stats) = dot_cameo(area, 500, AmbientActivity::Subagents); |
| 88 | let text: String = buf.content.iter().map(|cell| cell.symbol()).collect(); |
| 89 | assert_eq!(text.matches("agent · pod").count(), 1); |
| 90 | assert!(stats.marks_clipped > 0); |
| 91 | assert_eq!(stats.marks_built, stats.marks_painted + stats.marks_clipped); |
| 92 | } |
| 93 | |
| 94 | #[test] |
| 95 | fn reduced_motion_builds_and_paints_no_ambient_creatures() { |
| 96 | let area = Rect::new(0, 0, 80, 24); |
| 97 | let mut buf = Buffer::empty(area); |
| 98 | let before = buf.clone(); |
| 99 | let stats = render_ambient_life( |
| 100 | area, |
| 101 | &mut buf, |
| 102 | (Color::Cyan, Color::Blue), |
| 103 | &[], |
| 104 | 900, |
| 105 | 0.0, |
| 106 | AmbientCursor::default(), |
| 107 | WhaleCameo { |
| 108 | elapsed_ms: Some(500), |
| 109 | anchor_x: 40, |
| 110 | anchor_y: 16, |
| 111 | }, |
| 112 | AmbientActivity::Subagents, |
| 113 | ); |
| 114 | assert_eq!(buf, before); |
| 115 | assert_eq!(stats, AmbientFrameStats::default()); |
| 116 | } |
| 117 | |
| 118 | #[test] |
| 119 | fn pet_settle_clock_does_not_extend_the_ocean_light_pulse() { |
| 120 | let area = Rect::new(0, 0, 80, 24); |
| 121 | let ramp = ocean::OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).unwrap(); |
| 122 | let column = |age| { |
| 123 | OceanColumn::new( |
| 124 | ramp, |
| 125 | area, |
| 126 | 900, |
| 127 | age, |
| 128 | crate::tui::underwater::ShellPhase::Done, |
| 129 | false, |
| 130 | 500, |
| 131 | 40, |
| 132 | ) |
| 133 | }; |
| 134 | let settled = column(None); |
| 135 | let pet_tail = column(Some(900)); |
| 136 | assert_eq!(pet_tail.completion_elapsed_ms(), Some(900)); |
| 137 | assert_eq!(pet_tail.ramp_fingerprint(), settled.ramp_fingerprint()); |
| 138 | for y in 0..area.height { |
| 139 | assert_eq!(pet_tail.color_at_y(y), settled.color_at_y(y)); |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | #[test] |
| 144 | fn pet_widget_keeps_unknown_distinct_from_sleep_and_keeps_its_label() { |
| 145 | use pet_sim::{ChannelId, PetSim, PetState}; |
| 146 | use ratatui::widgets::Widget; |
| 147 | let mut sim = PetSim::whale(); |
| 148 | let mut state = PetState { |
| 149 | channel: ChannelId::Other, |
| 150 | lit: 0.3, |
| 151 | ..PetState::rest() |
| 152 | }; |
| 153 | sim.step(1.0 / 30.0, &state, false, 1.0); |
| 154 | assert!(!sim.frame.hollow, "sleep is still observed"); |
| 155 | state.observed = 0.15; |
| 156 | sim.step(1.0 / 30.0, &state, false, 1.0); |
| 157 | assert!(sim.frame.hollow); |
| 158 | let mut buf = Buffer::empty(Rect::new(0, 0, 40, 8)); |
| 159 | pet_widget::PetWidget { |
| 160 | sim: &sim, |
| 161 | state: &state, |
| 162 | } |
| 163 | .render(buf.area, &mut buf); |
| 164 | let text: String = buf.content.iter().map(|cell| cell.symbol()).collect(); |
| 165 | assert!(text.contains("other · drift · unobserved")); |
| 166 | let mut narrow = Buffer::empty(Rect::new(0, 0, 18, 6)); |
| 167 | let before = narrow.clone(); |
| 168 | pet_widget::PetWidget { |
| 169 | sim: &sim, |
| 170 | state: &state, |
| 171 | } |
| 172 | .render(narrow.area, &mut narrow); |
| 173 | assert_eq!(narrow, before, "never truncate away the uncertainty cue"); |
| 174 | } |
| 175 | |
| 176 | #[test] |
| 177 | fn ambient_min_dimensions_allow_small_windows() { |
| 178 | const { |
| 179 | assert!(AMBIENT_MIN_WIDTH < 68); |
| 180 | assert!(AMBIENT_MIN_HEIGHT < 15); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | #[test] |
| 185 | fn occupied_text_bounds_skips_string_join() { |
| 186 | let line = Line::from(vec![Span::raw(" hello "), Span::raw("world ")]); |
| 187 | let (start, end) = occupied_text_bounds(&line).expect("bounds"); |
| 188 | assert_eq!(start, 2); |
| 189 | assert!(end > start); |
| 190 | } |
| 191 | |
| 192 | #[test] |
| 193 | fn density_scales_with_area() { |
| 194 | assert_eq!( |
| 195 | LifeDensity::from_area(Rect::new(0, 0, 40, 10)), |
| 196 | LifeDensity::Sparse |
| 197 | ); |
| 198 | assert_eq!( |
| 199 | LifeDensity::from_area(Rect::new(0, 0, 100, 30)), |
| 200 | LifeDensity::Rich |
| 201 | ); |
| 202 | } |
| 203 | |
| 204 | #[test] |
| 205 | fn fish_school_uses_one_silhouette_family() { |
| 206 | // Never mix lone `>` with full fish bodies; the lead just gains an |
| 207 | // eye within the same family. |
| 208 | assert_eq!(fish_body(true, false), "><>"); |
| 209 | assert_eq!(fish_body(false, false), "<><"); |
| 210 | assert_eq!(fish_body(true, true), "><o>"); |
| 211 | assert_eq!(fish_body(false, true), "<o><"); |
| 212 | } |
| 213 | |
| 214 | fn frame_at(t: u128) -> FrameMarks { |
| 215 | let area = Rect::new(0, 0, 100, 30); |
| 216 | let mut stats = AmbientFrameStats::default(); |
| 217 | build_frame_marks( |
| 218 | area, |
| 219 | t, |
| 220 | LifeDensity::from_area(area), |
| 221 | &[], |
| 222 | AmbientCursor::default(), |
| 223 | true, |
| 224 | &mut stats, |
| 225 | ) |
| 226 | } |
| 227 | |
| 228 | #[test] |
| 229 | fn subagent_activity_surfaces_a_whale_pod() { |
| 230 | let whale = WhaleCameo { |
| 231 | elapsed_ms: Some(500), // Spout phase |
| 232 | anchor_x: 50, |
| 233 | anchor_y: 20, |
| 234 | }; |
| 235 | let render = |activity: AmbientActivity| -> Vec<String> { |
| 236 | let mut buf = Buffer::empty(Rect::new(0, 0, 100, 30)); |
| 237 | render_ambient_life( |
| 238 | buf.area, |
| 239 | &mut buf, |
| 240 | (Color::Cyan, Color::Blue), |
| 241 | &[], |
| 242 | 12_000, |
| 243 | 1.0, |
| 244 | AmbientCursor::default(), |
| 245 | whale, |
| 246 | activity, |
| 247 | ); |
| 248 | buf.content |
| 249 | .iter() |
| 250 | .filter(|cell| { |
| 251 | cell.symbol() |
| 252 | .chars() |
| 253 | .any(|ch| ('\u{2801}'..='\u{28ff}').contains(&ch)) |
| 254 | }) |
| 255 | .map(|cell| cell.symbol().to_string()) |
| 256 | .collect() |
| 257 | }; |
| 258 | let baseline = render(AmbientActivity::Baseline); |
| 259 | let pod = render(AmbientActivity::Subagents); |
| 260 | assert!( |
| 261 | pod.len() > baseline.len(), |
| 262 | "a subagent pod must surface more whale marks ({}) than the single cameo ({})", |
| 263 | pod.len(), |
| 264 | baseline.len(), |
| 265 | ); |
| 266 | } |
| 267 | |
| 268 | #[test] |
| 269 | fn activity_changes_never_resample_creature_geometry() { |
| 270 | // Regression: scaling absolute clock age moved the school by tens of |
| 271 | // columns at a Reasoning → Tools transition. Same clock means same pose; |
| 272 | // activity still owns ink and the explicitly triggered completion cameo. |
| 273 | for elapsed in [0, 60_000, 600_000, 3_600_000] { |
| 274 | let render = |activity| { |
| 275 | let mut buf = Buffer::empty(Rect::new(0, 0, 100, 30)); |
| 276 | render_ambient_life( |
| 277 | buf.area, |
| 278 | &mut buf, |
| 279 | (Color::Cyan, Color::Blue), |
| 280 | &[], |
| 281 | elapsed, |
| 282 | 1.0, |
| 283 | AmbientCursor::default(), |
| 284 | WhaleCameo::default(), |
| 285 | activity, |
| 286 | ); |
| 287 | buf |
| 288 | }; |
| 289 | let baseline = render(AmbientActivity::Baseline); |
| 290 | for activity in [ |
| 291 | AmbientActivity::Reasoning, |
| 292 | AmbientActivity::Reading, |
| 293 | AmbientActivity::Tools, |
| 294 | AmbientActivity::Subagents, |
| 295 | AmbientActivity::Verifying, |
| 296 | ] { |
| 297 | assert_eq!( |
| 298 | baseline, |
| 299 | render(activity), |
| 300 | "geometry changed at {elapsed}ms: {activity:?}" |
| 301 | ); |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | #[test] |
| 307 | fn fish_always_swim_the_way_they_face() { |
| 308 | // Wrap-around construction: within one crossing, a right-facing |
| 309 | // school only ever moves right, and a left-facing school only left. |
| 310 | let area_travel = 100u128 + 21; // width + wedge span (see constants) |
| 311 | let cycle_ms = area_travel * SCHOOL_CELL_MS; |
| 312 | for cycle in 0u128..6 { |
| 313 | // The school clock carries a half-cycle head start, so sampling |
| 314 | // at cycle*cycle_ms lands mid-crossing of `cycle`. |
| 315 | let t1 = cycle * cycle_ms; |
| 316 | let t2 = t1 + SCHOOL_CELL_MS * 3; |
| 317 | let lead = |t: u128| { |
| 318 | frame_at(t) |
| 319 | .marks |
| 320 | .into_iter() |
| 321 | .find(|mark| mark.glyph.contains('o')) |
| 322 | }; |
| 323 | let (Some(a), Some(b)) = (lead(t1), lead(t2)) else { |
| 324 | continue; // school off-screen at this sample — fine |
| 325 | }; |
| 326 | let expect_right = school_swims_right(cycle); |
| 327 | if expect_right { |
| 328 | assert_eq!(a.glyph, "><o>", "cycle {cycle} facing"); |
| 329 | assert!(b.x >= a.x, "cycle {cycle}: right-facing fish moved left"); |
| 330 | } else { |
| 331 | assert_eq!(a.glyph, "<o><", "cycle {cycle} facing"); |
| 332 | assert!(b.x <= a.x, "cycle {cycle}: left-facing fish moved right"); |
| 333 | } |
| 334 | } |
| 335 | // Both directions must actually occur across nearby cycles. |
| 336 | let dirs: Vec<bool> = (0u128..12).map(school_swims_right).collect(); |
| 337 | assert!( |
| 338 | dirs.iter().any(|d| *d) && dirs.iter().any(|d| !*d), |
| 339 | "{dirs:?}" |
| 340 | ); |
| 341 | } |
| 342 | |
| 343 | #[test] |
| 344 | fn water_holds_only_fish_bubbles_and_jellyfish() { |
| 345 | // Seaweed and bio-dust are gone (2026-07-23): every mark is a fish |
| 346 | // body, a bubble glyph, or a jellyfish part. |
| 347 | for t in [0u128, 7_500, 33_000, 61_000, 120_000] { |
| 348 | for mark in frame_at(t).marks { |
| 349 | let ok = matches!(mark.glyph, "><>" | "<><" | "><o>" | "<o><") |
| 350 | || matches!(mark.glyph, "·" | "˚" | "°") |
| 351 | || JELLY_DOME_TOP_FRAMES.contains(&mark.glyph) |
| 352 | || JELLY_DOME_SKIRT_FRAMES.contains(&mark.glyph) |
| 353 | || JELLY_DOME_TOP_COMPACT.contains(&mark.glyph) |
| 354 | || JELLY_DOME_SKIRT_COMPACT.contains(&mark.glyph) |
| 355 | || JELLY_TENTACLE_FRAMES.contains(&mark.glyph); |
| 356 | assert!(ok, "unexpected ambient glyph {:?} at t={t}", mark.glyph); |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | #[test] |
| 362 | fn ambient_glyphs_are_ascii_or_have_fallbacks() { |
| 363 | // Every glyph the water can paint is either pure ASCII (fish and |
| 364 | // the whole jellyfish silhouette, by construction) or carries a |
| 365 | // glyphs::ascii_fallback entry (bubbles, whale cameo) so |
| 366 | // CODEWHALE_ASCII_SAFE=1 covers the whole field. |
| 367 | let mut jellyfish: Vec<&str> = Vec::new(); |
| 368 | jellyfish.extend(JELLY_DOME_TOP_FRAMES); |
| 369 | jellyfish.extend(JELLY_DOME_SKIRT_FRAMES); |
| 370 | jellyfish.extend(JELLY_DOME_TOP_COMPACT); |
| 371 | jellyfish.extend(JELLY_DOME_SKIRT_COMPACT); |
| 372 | jellyfish.extend(JELLY_TENTACLE_FRAMES); |
| 373 | for glyph in jellyfish { |
| 374 | assert!(glyph.is_ascii(), "jellyfish glyph {glyph:?} must be ASCII"); |
| 375 | } |
| 376 | for glyph in ["><>", "<><", "><o>", "<o><"] { |
| 377 | assert!(glyph.is_ascii(), "fish glyph {glyph:?} must be ASCII"); |
| 378 | } |
| 379 | for glyph in ["·", "˚", "°", "≈≈>", "≈", "～"] { |
| 380 | assert!( |
| 381 | glyph.is_ascii() || crate::tui::glyphs::ascii_fallback(glyph).is_some(), |
| 382 | "ambient glyph {glyph:?} lacks an ASCII fallback" |
| 383 | ); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | #[test] |
| 388 | fn jellyfish_reads_as_dome_with_lagging_tentacles() { |
| 389 | // Find a frame where a full jelly is on-screen and assert its |
| 390 | // structure: a two-row dome at least four cells wide, exactly two |
| 391 | // tentacle columns one row below the skirt, and both dome and |
| 392 | // tentacles holding their brightness floors. |
| 393 | let mut seen = false; |
| 394 | for probe in 0..240u128 { |
| 395 | let t = probe * 500; |
| 396 | let frame = frame_at(t); |
| 397 | let Some(top) = frame |
| 398 | .marks |
| 399 | .iter() |
| 400 | .find(|mark| JELLY_DOME_TOP_FRAMES.contains(&mark.glyph)) |
| 401 | else { |
| 402 | continue; |
| 403 | }; |
| 404 | let dome_w = UnicodeWidthStr::width(top.glyph) as u16; |
| 405 | assert!(dome_w >= 4, "rich dome too narrow: {:?}", top.glyph); |
| 406 | let Some(skirt) = frame.marks.iter().find(|mark| { |
| 407 | JELLY_DOME_SKIRT_FRAMES.contains(&mark.glyph) && mark.x == top.x && mark.y == top.y + 1 |
| 408 | }) else { |
| 409 | panic!("visible jellyfish dome lost its skirt: {frame:?}"); |
| 410 | }; |
| 411 | let tentacles: Vec<&AmbientMark> = frame |
| 412 | .marks |
| 413 | .iter() |
| 414 | .filter(|mark| { |
| 415 | JELLY_TENTACLE_FRAMES.contains(&mark.glyph) |
| 416 | && mark.y == skirt.y + 1 |
| 417 | && mark.x > top.x |
| 418 | && mark.x < top.x + dome_w |
| 419 | }) |
| 420 | .collect(); |
| 421 | assert_eq!( |
| 422 | tentacles.len(), |
| 423 | JELLY_TENTACLE_COLUMNS, |
| 424 | "visible jellyfish must keep all tentacles: {frame:?}" |
| 425 | ); |
| 426 | let dome_glow = top.brightness.expect("dome pulses"); |
| 427 | assert!(dome_glow >= JELLY_BRIGHTNESS_FLOOR - f32::EPSILON); |
| 428 | for tentacle in &tentacles { |
| 429 | let glow = tentacle.brightness.expect("tentacle pulses"); |
| 430 | assert!(glow >= JELLY_BRIGHTNESS_FLOOR - f32::EPSILON); |
| 431 | } |
| 432 | seen = true; |
| 433 | break; |
| 434 | } |
| 435 | assert!(seen, "no complete jellyfish found in 120s of frames"); |
| 436 | } |
| 437 | |
| 438 | #[test] |
| 439 | fn jellyfish_tentacles_sway_out_of_phase_and_dome_pulses() { |
| 440 | // Over a sweep: the dome shows both pulse frames within a few |
| 441 | // JELLY_PULSE_MS periods, each tentacle column cycles its sway |
| 442 | // frames, and the trio is not always in lockstep (per-column phase |
| 443 | // offset — the lag is what sells "jellyfish"). |
| 444 | let mut dome_frames = std::collections::BTreeSet::new(); |
| 445 | let mut column_frames: [std::collections::BTreeSet<&str>; JELLY_TENTACLE_COLUMNS] = |
| 446 | Default::default(); |
| 447 | let mut saw_desync = false; |
| 448 | for probe in 0..480u128 { |
| 449 | let frame = frame_at(probe * 100); |
| 450 | let Some(top) = frame |
| 451 | .marks |
| 452 | .iter() |
| 453 | .find(|mark| JELLY_DOME_TOP_FRAMES.contains(&mark.glyph)) |
| 454 | else { |
| 455 | continue; |
| 456 | }; |
| 457 | dome_frames.insert(top.glyph); |
| 458 | let mut pair = [""; JELLY_TENTACLE_COLUMNS]; |
| 459 | let mut found = 0usize; |
| 460 | for (col, slot) in pair.iter_mut().enumerate() { |
| 461 | if let Some(tentacle) = frame.marks.iter().find(|mark| { |
| 462 | JELLY_TENTACLE_FRAMES.contains(&mark.glyph) |
| 463 | && mark.y == top.y + 2 |
| 464 | && mark.x == top.x + 1 + 2 * col as u16 |
| 465 | }) { |
| 466 | *slot = tentacle.glyph; |
| 467 | column_frames[col].insert(tentacle.glyph); |
| 468 | found += 1; |
| 469 | } |
| 470 | } |
| 471 | if found == JELLY_TENTACLE_COLUMNS && pair.iter().any(|glyph| *glyph != pair[0]) { |
| 472 | saw_desync = true; |
| 473 | } |
| 474 | } |
| 475 | assert_eq!( |
| 476 | dome_frames.len(), |
| 477 | JELLY_DOME_TOP_FRAMES.len(), |
| 478 | "dome pulse should show every frame: {dome_frames:?}" |
| 479 | ); |
| 480 | for (col, set) in column_frames.iter().enumerate() { |
| 481 | assert!(set.len() > 1, "tentacle column {col} never swayed"); |
| 482 | } |
| 483 | assert!(saw_desync, "tentacle columns strobed in lockstep"); |
| 484 | } |
| 485 | |
| 486 | /// Tentacle columns hanging from the full-size bell. Named so the structural |
| 487 | /// assertions read as one decision rather than a repeated magic number. |
| 488 | const JELLY_TENTACLE_COLUMNS: usize = 2; |
| 489 | |
| 490 | #[test] |
| 491 | fn short_transcript_rows_leave_a_safe_ocean_corridor() { |
| 492 | // The active transcript commonly puts short status/tool lines on every |
| 493 | // visible row. They own their cells and a one-column gutter, not the whole |
| 494 | // terminal width: fish and the t=0 jellyfish remain eligible in the clear |
| 495 | // right-hand water without touching a single transcript cell. |
| 496 | let area = Rect::new(0, 0, 80, 24); |
| 497 | let lines: Vec<Line<'static>> = (0..usize::from(area.height)) |
| 498 | .map(|row| Line::from(Span::raw(format!("status row {row:02}")))) |
| 499 | .collect(); |
| 500 | let mut buf = Buffer::empty(area); |
| 501 | for (row, line) in lines.iter().enumerate() { |
| 502 | buf.set_line(area.x, area.y + row as u16, line, area.width); |
| 503 | } |
| 504 | |
| 505 | let mut stats = AmbientFrameStats::default(); |
| 506 | let frame = build_frame_marks( |
| 507 | area, |
| 508 | 0, |
| 509 | LifeDensity::from_area(area), |
| 510 | &lines, |
| 511 | AmbientCursor::default(), |
| 512 | true, |
| 513 | &mut stats, |
| 514 | ); |
| 515 | paint_marks( |
| 516 | area, |
| 517 | &mut buf, |
| 518 | (Color::Cyan, Color::Blue), |
| 519 | &lines, |
| 520 | &frame, |
| 521 | 1.0, |
| 522 | &mut stats, |
| 523 | ); |
| 524 | let rendered: String = (0..area.height) |
| 525 | .map(|row| { |
| 526 | (0..area.width) |
| 527 | .map(|column| buf[(column, row)].symbol()) |
| 528 | .collect::<String>() |
| 529 | }) |
| 530 | .collect::<Vec<_>>() |
| 531 | .join("\n"); |
| 532 | assert!( |
| 533 | rendered.contains("><") || rendered.contains("<o"), |
| 534 | "short active rows should leave room for fish:\n{rendered}" |
| 535 | ); |
| 536 | assert!( |
| 537 | rendered.contains(JELLY_DOME_TOP_FRAMES[0]) || rendered.contains(JELLY_DOME_TOP_FRAMES[1]), |
| 538 | "the right corridor should keep the rare visitor eligible at t=0:\n{rendered}" |
| 539 | ); |
| 540 | assert!(stats.marks_painted > 0, "{stats:?}"); |
| 541 | for (row, line) in lines.iter().enumerate() { |
| 542 | let text = line.spans[0].content.as_ref(); |
| 543 | for (column, ch) in text.chars().enumerate() { |
| 544 | assert_eq!( |
| 545 | buf[(column as u16, row as u16)].symbol(), |
| 546 | ch.to_string(), |
| 547 | "ambient life overwrote transcript cell ({column},{row})" |
| 548 | ); |
| 549 | } |
| 550 | } |
| 551 | } |
| 552 | |
| 553 | #[test] |
| 554 | fn a_jellyfish_needs_water_deep_enough_to_hold_it_and_the_school() { |
| 555 | // Deep-water budget: with the composition sitting where the 80x24 idle |
| 556 | // screen puts it there are four rows of water left, which is the school's |
| 557 | // band and nothing else. The jellyfish does not come up into it. |
| 558 | let area = Rect::new(0, 0, 80, 18); |
| 559 | let mut lines: Vec<Line<'static>> = vec![Line::default(); usize::from(area.height)]; |
| 560 | for row in [9usize, 10, 12] { |
| 561 | lines[row] = Line::from(Span::raw("X".repeat(75))); |
| 562 | } |
| 563 | let jelly_lane = area.width.saturating_mul(5) / 6; |
| 564 | assert!(deep_water_rows(area, &lines, jelly_lane, 5) < JELLY_MIN_DEEP_ROWS); |
| 565 | let mut saw_fish = false; |
| 566 | for probe in 0..600u128 { |
| 567 | let mut stats = AmbientFrameStats::default(); |
| 568 | let frame = build_frame_marks( |
| 569 | area, |
| 570 | probe * 250, |
| 571 | LifeDensity::from_area(area), |
| 572 | &lines, |
| 573 | AmbientCursor::default(), |
| 574 | true, |
| 575 | &mut stats, |
| 576 | ); |
| 577 | for mark in &frame.marks { |
| 578 | assert!( |
| 579 | !JELLY_DOME_TOP_FRAMES.contains(&mark.glyph) |
| 580 | && !JELLY_DOME_SKIRT_FRAMES.contains(&mark.glyph) |
| 581 | && !JELLY_TENTACLE_FRAMES.contains(&mark.glyph), |
| 582 | "shallow water surfaced a jellyfish: {mark:?}" |
| 583 | ); |
| 584 | saw_fish |= mark.glyph.contains("><"); |
| 585 | } |
| 586 | } |
| 587 | assert!(saw_fish, "the school should still hold its band"); |
| 588 | } |
| 589 | |
| 590 | #[test] |
| 591 | fn bubbles_grow_as_they_rise_and_dissolve_before_the_top() { |
| 592 | // Size and brightness are functions of height risen, not of the clock: |
| 593 | // the old table swapped glyph every 320 ms in place, which is a flicker |
| 594 | // rather than a rise, and the old clamp parked a spent bubble as an |
| 595 | // unattached speck at the top of the field. |
| 596 | assert_eq!(bubble_glyph(0), "·"); |
| 597 | assert_eq!(bubble_glyph(BUBBLE_MAX_RISE_ROWS), "°"); |
| 598 | assert!(bubble_dissolve(0) > bubble_dissolve(BUBBLE_MAX_RISE_ROWS)); |
| 599 | assert!((bubble_dissolve(0) - 1.0).abs() < f32::EPSILON); |
| 600 | assert!(bubble_dissolve(BUBBLE_MAX_RISE_ROWS) <= BUBBLE_DISSOLVE_CEIL + f32::EPSILON); |
| 601 | } |
| 602 | |
| 603 | #[test] |
| 604 | fn sparse_water_gets_a_compact_jellyfish() { |
| 605 | // Narrow fallback: the Sparse tier swaps the full 5-cell dome for a |
| 606 | // 3-cell one with two tentacles — a different silhouette, not just |
| 607 | // fewer jellies. |
| 608 | let area = Rect::new(0, 0, 48, 12); |
| 609 | let mut saw_compact = false; |
| 610 | let mut saw_full = false; |
| 611 | let mut saw_two_tentacles = false; |
| 612 | for probe in 0..240u128 { |
| 613 | let mut stats = AmbientFrameStats::default(); |
| 614 | let frame = build_frame_marks( |
| 615 | area, |
| 616 | probe * 500, |
| 617 | LifeDensity::from_area(area), |
| 618 | &[], |
| 619 | AmbientCursor::default(), |
| 620 | true, |
| 621 | &mut stats, |
| 622 | ); |
| 623 | for mark in &frame.marks { |
| 624 | saw_compact |= JELLY_DOME_TOP_COMPACT.contains(&mark.glyph); |
| 625 | saw_full |= JELLY_DOME_TOP_FRAMES.contains(&mark.glyph); |
| 626 | } |
| 627 | let Some(top) = frame |
| 628 | .marks |
| 629 | .iter() |
| 630 | .find(|mark| JELLY_DOME_TOP_COMPACT.contains(&mark.glyph)) |
| 631 | else { |
| 632 | continue; |
| 633 | }; |
| 634 | let tentacles = frame |
| 635 | .marks |
| 636 | .iter() |
| 637 | .filter(|mark| JELLY_TENTACLE_FRAMES.contains(&mark.glyph) && mark.y == top.y + 2) |
| 638 | .count(); |
| 639 | assert_eq!( |
| 640 | tentacles, 2, |
| 641 | "visible compact jelly must keep both tentacles: {frame:?}" |
| 642 | ); |
| 643 | saw_two_tentacles = true; |
| 644 | } |
| 645 | assert!(saw_compact, "sparse water never showed the compact dome"); |
| 646 | assert!(!saw_full, "sparse water used the full-size dome"); |
| 647 | assert!(saw_two_tentacles, "compact jelly lost its tentacles"); |
| 648 | } |
| 649 | |
| 650 | #[test] |
| 651 | fn animated_tentacle_frames_never_collapse_to_punctuation_dots() { |
| 652 | assert!( |
| 653 | JELLY_TENTACLE_FRAMES |
| 654 | .iter() |
| 655 | .all(|glyph| matches!(*glyph, "|" | "/" | "\\")), |
| 656 | "every animation frame must retain a legible tentacle stroke" |
| 657 | ); |
| 658 | } |
| 659 | |
| 660 | #[test] |
| 661 | fn motion_is_a_deterministic_function_of_elapsed_time() { |
| 662 | // v0.9.4: positions always ride the monotonic clock (presence fades the |
| 663 | // marks in/out instead of parking them), so a fixed t must produce the |
| 664 | // exact same complete jellyfish: dome, skirt, and tentacles visible. |
| 665 | let area = Rect::new(0, 0, 100, 30); |
| 666 | let build = || { |
| 667 | let mut stats = AmbientFrameStats::default(); |
| 668 | build_frame_marks( |
| 669 | area, |
| 670 | 0, |
| 671 | LifeDensity::from_area(area), |
| 672 | &[], |
| 673 | AmbientCursor::default(), |
| 674 | true, |
| 675 | &mut stats, |
| 676 | ) |
| 677 | }; |
| 678 | let first = build(); |
| 679 | let second = build(); |
| 680 | let pose = |frame: &FrameMarks| { |
| 681 | frame |
| 682 | .marks |
| 683 | .iter() |
| 684 | .map(|mark| (mark.glyph, mark.x, mark.y)) |
| 685 | .collect::<Vec<_>>() |
| 686 | }; |
| 687 | assert_eq!( |
| 688 | pose(&first), |
| 689 | pose(&second), |
| 690 | "motion must be a pure function of t" |
| 691 | ); |
| 692 | let top = first |
| 693 | .marks |
| 694 | .iter() |
| 695 | .find(|mark| JELLY_DOME_TOP_FRAMES.contains(&mark.glyph)) |
| 696 | .expect("jellyfish dome at t=0"); |
| 697 | assert!( |
| 698 | first |
| 699 | .marks |
| 700 | .iter() |
| 701 | .any(|mark| { JELLY_DOME_SKIRT_FRAMES.contains(&mark.glyph) && mark.y == top.y + 1 }), |
| 702 | "jellyfish lost its skirt at t=0" |
| 703 | ); |
| 704 | let tentacles = first |
| 705 | .marks |
| 706 | .iter() |
| 707 | .filter(|mark| JELLY_TENTACLE_FRAMES.contains(&mark.glyph) && mark.y == top.y + 2) |
| 708 | .count(); |
| 709 | assert!( |
| 710 | tentacles >= JELLY_TENTACLE_COLUMNS, |
| 711 | "jellyfish lost its tentacles at t=0" |
| 712 | ); |
| 713 | } |
| 714 | |
| 715 | #[test] |
| 716 | fn glow_helpers_stay_bounded_with_floors() { |
| 717 | for t in (0u128..12_000).step_by(97) { |
| 718 | let w = wave01(t, FISH_WAVE_MS, 0); |
| 719 | assert!((0.0..=1.0).contains(&w), "wave01 out of range: {w}"); |
| 720 | let g = glint01(t, 2_600, 600, BUBBLE_BRIGHTNESS_FLOOR, 0); |
| 721 | assert!( |
| 722 | (BUBBLE_BRIGHTNESS_FLOOR..=1.0).contains(&g), |
| 723 | "glint01 lost its floor: {g}" |
| 724 | ); |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | #[test] |
| 729 | fn frame_stats_account_for_every_mark() { |
| 730 | let area = Rect::new(0, 0, 100, 30); |
| 731 | let mut buf = Buffer::empty(area); |
| 732 | let stats = render_ambient_life( |
| 733 | area, |
| 734 | &mut buf, |
| 735 | (Color::Cyan, Color::Blue), |
| 736 | &[], |
| 737 | 12_000, |
| 738 | 1.0, |
| 739 | AmbientCursor::default(), |
| 740 | WhaleCameo::default(), |
| 741 | AmbientActivity::Baseline, |
| 742 | ); |
| 743 | assert_eq!( |
| 744 | stats.marks_built, |
| 745 | stats.marks_painted + stats.marks_skipped_text + stats.marks_clipped, |
| 746 | "every built mark is painted, text-skipped, or clipped: {stats:?}" |
| 747 | ); |
| 748 | assert!(stats.marks_painted > 0, "empty water should paint life"); |
| 749 | // cells_written counts each cell of a multi-cell glyph (and counts |
| 750 | // a shared cell once per overlapping mark), so the honest bound is |
| 751 | // per painted mark — at most the widest glyph (the 5-cell dome) — |
| 752 | // rather than per area cell. |
| 753 | assert!(stats.cells_written >= stats.marks_painted); |
| 754 | assert!( |
| 755 | stats.cells_written <= stats.marks_painted * 5, |
| 756 | "cells_written out of proportion: {stats:?}" |
| 757 | ); |
| 758 | } |
| 759 | |
| 760 | #[test] |
| 761 | fn frame_stats_stay_within_the_render_budget() { |
| 762 | // Largest Rich field with three bounded dot-whale widgets. Every |
| 763 | // visible dot cell and label character participates in the same budget. |
| 764 | let area = Rect::new(0, 0, 160, 40); |
| 765 | let mut buf = Buffer::empty(area); |
| 766 | let whale = WhaleCameo { |
| 767 | elapsed_ms: Some(500), // Spout: cameo glyph plus spray |
| 768 | anchor_x: 80, |
| 769 | anchor_y: 26, |
| 770 | }; |
| 771 | let stats = render_ambient_life( |
| 772 | area, |
| 773 | &mut buf, |
| 774 | (Color::Cyan, Color::Blue), |
| 775 | &[], |
| 776 | 12_000, |
| 777 | 1.0, |
| 778 | AmbientCursor::default(), |
| 779 | whale, |
| 780 | AmbientActivity::Subagents, |
| 781 | ); |
| 782 | assert!( |
| 783 | stats.marks_built <= MAX_FRAME_MARKS, |
| 784 | "frame budget blown: {stats:?}" |
| 785 | ); |
| 786 | assert_eq!( |
| 787 | stats.marks_built, |
| 788 | stats.marks_painted + stats.marks_skipped_text + stats.marks_clipped, |
| 789 | "every built mark is accounted for: {stats:?}" |
| 790 | ); |
| 791 | } |
| 792 | |
| 793 | #[test] |
| 794 | fn frame_stats_never_overwrite_text() { |
| 795 | // Property: on a text-covered field, colliding marks are charged to |
| 796 | // marks_skipped_text and no transcript cell is overwritten. |
| 797 | // |
| 798 | // Two stages guard this and they answer different questions. The build |
| 799 | // stage keeps ambient life out of the composition's rows entirely |
| 800 | // (`is_open_water`) — a design decision about where the aquarium lives. |
| 801 | // The paint stage refuses to write over text whatever the build stage |
| 802 | // decided — a correctness backstop, and the one this test exercises, |
| 803 | // using the whale cameo: the cameo is an event fired at a deliberate |
| 804 | // anchor, so it is the one mark that is allowed to aim at occupied water |
| 805 | // and must therefore be withheld here rather than painted. |
| 806 | let area = Rect::new(0, 0, 100, 30); |
| 807 | let mut buf = Buffer::empty(area); |
| 808 | let lines: Vec<Line<'static>> = (0..usize::from(area.height)) |
| 809 | .map(|_| Line::from(Span::raw("X".repeat(usize::from(area.width))))) |
| 810 | .collect(); |
| 811 | for (i, line) in lines.iter().enumerate() { |
| 812 | buf.set_line(area.x, area.y + i as u16, line, area.width); |
| 813 | } |
| 814 | let stats = render_ambient_life( |
| 815 | area, |
| 816 | &mut buf, |
| 817 | (Color::Cyan, Color::Blue), |
| 818 | &lines, |
| 819 | 12_000, |
| 820 | 1.0, |
| 821 | AmbientCursor::default(), |
| 822 | WhaleCameo { |
| 823 | elapsed_ms: Some(500), |
| 824 | anchor_x: 10, |
| 825 | anchor_y: 20, |
| 826 | }, |
| 827 | AmbientActivity::Baseline, |
| 828 | ); |
| 829 | assert!( |
| 830 | stats.marks_skipped_text > 0, |
| 831 | "full-width text should skip colliding marks: {stats:?}" |
| 832 | ); |
| 833 | assert_eq!( |
| 834 | stats.marks_painted, 0, |
| 835 | "a fully composed field is not water: {stats:?}" |
| 836 | ); |
| 837 | assert_eq!( |
| 838 | stats.marks_built, |
| 839 | stats.marks_painted + stats.marks_skipped_text + stats.marks_clipped, |
| 840 | "every built mark is accounted for: {stats:?}" |
| 841 | ); |
| 842 | for (i, line) in lines.iter().enumerate() { |
| 843 | let text: String = line |
| 844 | .spans |
| 845 | .iter() |
| 846 | .map(|span| span.content.as_ref()) |
| 847 | .collect(); |
| 848 | for (x, ch) in text.chars().enumerate() { |
| 849 | assert_eq!( |
| 850 | buf[(area.x + x as u16, area.y + i as u16)].symbol(), |
| 851 | ch.to_string(), |
| 852 | "ambient life overwrote transcript cell ({x},{i})" |
| 853 | ); |
| 854 | } |
| 855 | } |
| 856 | } |
| 857 | |
| 858 | fn full_jellyfish_frame(x: u16, y: u16) -> FrameMarks { |
| 859 | let mark = |x, y, glyph, depth| AmbientMark { |
| 860 | x, |
| 861 | y, |
| 862 | glyph, |
| 863 | jellyfish: Some(0), |
| 864 | depth, |
| 865 | style_mod: None, |
| 866 | brightness: None, |
| 867 | }; |
| 868 | FrameMarks { |
| 869 | marks: vec![ |
| 870 | mark(x, y, JELLY_DOME_TOP_FRAMES[0], Depth::Midground), |
| 871 | mark(x, y + 1, JELLY_DOME_SKIRT_FRAMES[0], Depth::Midground), |
| 872 | mark(x + 1, y + 2, "|", Depth::Background), |
| 873 | mark(x + 2, y + 2, "/", Depth::Background), |
| 874 | mark(x + 3, y + 2, "\\", Depth::Background), |
| 875 | ], |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | fn paint_fixture( |
| 880 | area: Rect, |
| 881 | lines: &[Line<'static>], |
| 882 | frame: &FrameMarks, |
| 883 | ) -> (Buffer, AmbientFrameStats) { |
| 884 | let mut buf = Buffer::empty(area); |
| 885 | for (row, line) in lines.iter().enumerate() { |
| 886 | buf.set_line(area.x, area.y + row as u16, line, area.width); |
| 887 | } |
| 888 | let mut stats = AmbientFrameStats { |
| 889 | marks_built: frame.marks.len() as u32, |
| 890 | ..AmbientFrameStats::default() |
| 891 | }; |
| 892 | paint_marks( |
| 893 | area, |
| 894 | &mut buf, |
| 895 | (Color::Cyan, Color::Blue), |
| 896 | lines, |
| 897 | frame, |
| 898 | 1.0, |
| 899 | &mut stats, |
| 900 | ); |
| 901 | (buf, stats) |
| 902 | } |
| 903 | |
| 904 | #[test] |
| 905 | fn jellyfish_relocates_as_one_nearest_silhouette() { |
| 906 | let area = Rect::new(0, 0, 24, 8); |
| 907 | let mut lines = vec![Line::default(); usize::from(area.height)]; |
| 908 | lines[2] = Line::from(Span::raw(" X")); |
| 909 | let (buf, stats) = paint_fixture(area, &lines, &full_jellyfish_frame(10, 2)); |
| 910 | |
| 911 | assert_eq!(buf[(10, 2)].symbol(), "X"); |
| 912 | assert_eq!(buf[(12, 2)].symbol(), "."); |
| 913 | assert_eq!(buf[(12, 3)].symbol(), "\\"); |
| 914 | assert_eq!(buf[(13, 4)].symbol(), "|"); |
| 915 | assert_eq!(buf[(14, 4)].symbol(), "/"); |
| 916 | assert_eq!(buf[(15, 4)].symbol(), "\\"); |
| 917 | assert_eq!(stats.marks_painted, 5); |
| 918 | assert_eq!(stats.marks_skipped_text, 0); |
| 919 | assert_eq!(stats.marks_clipped, 0); |
| 920 | assert_eq!(stats.cells_written, 13); |
| 921 | } |
| 922 | |
| 923 | #[test] |
| 924 | fn jellyfish_hides_rather_than_vaulting_past_a_long_line() { |
| 925 | // This used to place the silhouette at x=33 — a 17-column vault from its |
| 926 | // lane, chosen purely from the width of the text on that row. Under a |
| 927 | // fast stream that width changes every frame, so the vault was the |
| 928 | // teleport users saw. Past the dodge cap the jelly is withheld instead, |
| 929 | // which is the same quiet outcome the fish already have. |
| 930 | let area = Rect::new(0, 0, 100, 8); |
| 931 | let mut lines = vec![Line::default(); usize::from(area.height)]; |
| 932 | lines[2] = Line::from(Span::raw("X".repeat(32))); |
| 933 | let (_, stats) = paint_fixture(area, &lines, &full_jellyfish_frame(16, 2)); |
| 934 | |
| 935 | assert_eq!(stats.marks_painted, 0); |
| 936 | assert_eq!(stats.marks_skipped_text, 5); |
| 937 | assert_eq!(stats.marks_clipped, 0); |
| 938 | } |
| 939 | |
| 940 | #[test] |
| 941 | fn jellyfish_never_teleports_while_a_line_streams_across_its_lane() { |
| 942 | // Regression for the DeepSeek-V4-Flash report: replay a line growing |
| 943 | // straight through the silhouette's lane and assert the painted anchor |
| 944 | // never jumps. The clock is held fixed, so the only moving input is the |
| 945 | // transcript text — the coupling that actually scaled with token |
| 946 | // throughput. |
| 947 | // |
| 948 | // The burst size is the whole point. A slow provider adds about a |
| 949 | // character per frame and the old unbounded dodge slid along with it, |
| 950 | // which is why this never looked broken on slow models. A fast one adds a |
| 951 | // burst per frame, and the dodge moved by the whole burst at once. |
| 952 | const STREAM_BURST_CHARS: usize = 9; |
| 953 | let area = Rect::new(0, 0, 100, 8); |
| 954 | let lane = 40u16; |
| 955 | let mut previous: Option<u16> = None; |
| 956 | for chars in (0..80usize).step_by(STREAM_BURST_CHARS) { |
| 957 | let mut lines = vec![Line::default(); usize::from(area.height)]; |
| 958 | lines[2] = Line::from(Span::raw("X".repeat(chars))); |
| 959 | lines[3] = Line::from(Span::raw("X".repeat(chars.saturating_sub(3)))); |
| 960 | let (buf, _) = paint_fixture(area, &lines, &full_jellyfish_frame(lane, 2)); |
| 961 | let anchor = (0..area.width).find(|x| buf[(*x, 2)].symbol() == "."); |
| 962 | if let (Some(anchor), Some(previous)) = (anchor, previous) { |
| 963 | assert!( |
| 964 | anchor.abs_diff(previous) <= 2 * JELLY_MAX_TEXT_DODGE_COLS, |
| 965 | "jellyfish teleported {} columns at {chars} streamed chars", |
| 966 | anchor.abs_diff(previous) |
| 967 | ); |
| 968 | } |
| 969 | if let Some(anchor) = anchor { |
| 970 | assert!( |
| 971 | anchor.abs_diff(lane) <= JELLY_MAX_TEXT_DODGE_COLS, |
| 972 | "jellyfish left its lane by {} columns", |
| 973 | anchor.abs_diff(lane) |
| 974 | ); |
| 975 | } |
| 976 | previous = anchor; |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | #[test] |
| 981 | fn sparse_jellyfish_row_keeps_a_safe_gap_over_text() { |
| 982 | let area = Rect::new(0, 0, 12, 6); |
| 983 | let mut lines = vec![Line::default(); usize::from(area.height)]; |
| 984 | lines[2] = Line::from(Span::raw(" X")); |
| 985 | let mark = |x| AmbientMark { |
| 986 | x, |
| 987 | y: 2, |
| 988 | glyph: "|", |
| 989 | jellyfish: Some(0), |
| 990 | depth: Depth::Background, |
| 991 | style_mod: None, |
| 992 | brightness: None, |
| 993 | }; |
| 994 | let frame = FrameMarks { |
| 995 | marks: vec![mark(0), mark(6)], |
| 996 | }; |
| 997 | let (buf, stats) = paint_fixture(area, &lines, &frame); |
| 998 | |
| 999 | assert_eq!(buf[(0, 2)].symbol(), "|"); |
| 1000 | assert_eq!(buf[(3, 2)].symbol(), "X"); |
| 1001 | assert_eq!(buf[(6, 2)].symbol(), "|"); |
| 1002 | assert_eq!(stats.marks_painted, 2); |
| 1003 | } |
| 1004 | |
| 1005 | #[test] |
| 1006 | fn fully_blocked_jellyfish_is_suppressed_and_accounted() { |
| 1007 | let area = Rect::new(0, 0, 24, 8); |
| 1008 | let mut lines = vec![Line::default(); usize::from(area.height)]; |
| 1009 | for line in lines.iter_mut().take(5).skip(2) { |
| 1010 | *line = Line::from(Span::raw("X".repeat(24))); |
| 1011 | } |
| 1012 | let (buf, stats) = paint_fixture(area, &lines, &full_jellyfish_frame(10, 2)); |
| 1013 | |
| 1014 | assert_eq!(stats.marks_painted, 0); |
| 1015 | assert_eq!(stats.marks_skipped_text, 5); |
| 1016 | assert_eq!(stats.marks_clipped, 0); |
| 1017 | assert_eq!(stats.cells_written, 0); |
| 1018 | assert_eq!(stats.marks_built, stats.marks_skipped_text); |
| 1019 | for row in 2..=4 { |
| 1020 | for column in 0..area.width { |
| 1021 | assert_eq!(buf[(column, row)].symbol(), "X"); |
| 1022 | } |
| 1023 | } |
| 1024 | } |
| 1025 | |
| 1026 | #[test] |
| 1027 | fn too_wide_jellyfish_is_truthfully_clipped_as_a_group() { |
| 1028 | let area = Rect::new(0, 0, 4, 8); |
| 1029 | let lines = vec![Line::default(); usize::from(area.height)]; |
| 1030 | let (_, stats) = paint_fixture(area, &lines, &full_jellyfish_frame(0, 2)); |
| 1031 | |
| 1032 | assert_eq!(stats.marks_painted, 0); |
| 1033 | assert_eq!(stats.marks_skipped_text, 0); |
| 1034 | assert_eq!(stats.marks_clipped, 5); |
| 1035 | assert_eq!(stats.marks_built, stats.marks_clipped); |
| 1036 | } |
| 1037 | |
| 1038 | #[test] |
| 1039 | fn caustic_brightness_cross_fades_without_80ms_steps() { |
| 1040 | let samples: Vec<f32> = (0..=120) |
| 1041 | .map(|frame| caustic_brightness(frame * 16, 18, 2, 1.0)) |
| 1042 | .collect(); |
| 1043 | |
| 1044 | assert!(samples.iter().all(|value| (1.0..=1.08).contains(value))); |
| 1045 | assert!( |
| 1046 | samples |
| 1047 | .windows(2) |
| 1048 | .all(|pair| (pair[1] - pair[0]).abs() < 0.02), |
| 1049 | "adjacent 60 FPS caustic frames must cross-fade instead of toggling" |
| 1050 | ); |
| 1051 | assert!( |
| 1052 | samples.windows(2).any(|pair| pair[0] != pair[1]), |
| 1053 | "the continuous caustic must still move" |
| 1054 | ); |
| 1055 | assert_eq!( |
| 1056 | caustic_brightness(0, 0, 0, 1.0), |
| 1057 | caustic_brightness(0, 12, 0, 1.0), |
| 1058 | "the authored caustic topology repeats every 12 columns" |
| 1059 | ); |
| 1060 | assert_eq!(samples.first(), samples.get(60), "960 ms closes one cycle"); |
| 1061 | |
| 1062 | let base = Color::Rgb(64, 96, 128); |
| 1063 | let colors: Vec<Color> = (0..=60) |
| 1064 | .map(|frame| ocean::scale_color(base, caustic_brightness(frame * 16, 18, 2, 1.0))) |
| 1065 | .collect(); |
| 1066 | assert!( |
| 1067 | colors.windows(2).any(|pair| pair[0] != pair[1]), |
| 1068 | "the cross-fade must survive truecolor channel quantization" |
| 1069 | ); |
| 1070 | assert_eq!(colors.first(), colors.last(), "RGB output closes one cycle"); |
| 1071 | |
| 1072 | // Depth fade: the light dissolves to nothing at the band floor instead of |
| 1073 | // stopping at full amplitude — the hard cutoff drew a visible horizontal |
| 1074 | // line across tall windows. |
| 1075 | for frame in 0..=60u128 { |
| 1076 | assert_eq!( |
| 1077 | caustic_brightness(frame * 16, 18, 2, 0.0), |
| 1078 | 1.0, |
| 1079 | "a fully faded caustic must leave the water untouched" |
| 1080 | ); |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | fn native_frame_at(area: Rect, elapsed_ms: u128) -> FrameMarks { |
| 1085 | build_frame_marks( |
| 1086 | area, |
| 1087 | elapsed_ms, |
| 1088 | LifeDensity::from_area(area), |
| 1089 | &[], |
| 1090 | AmbientCursor::default(), |
| 1091 | false, |
| 1092 | &mut AmbientFrameStats::default(), |
| 1093 | ) |
| 1094 | } |
| 1095 | |
| 1096 | #[test] |
| 1097 | fn native_pose_tables_have_fixed_cell_bounds_and_safe_glyphs() { |
| 1098 | for right in [false, true] { |
| 1099 | for pose in 0..4 { |
| 1100 | for dx in 0..2 { |
| 1101 | for dy in 0..2 { |
| 1102 | let row = native_poses::fish(right, pose, dx, dy); |
| 1103 | assert_eq!(row.width(), 4); |
| 1104 | assert!(row.chars().all( |
| 1105 | |c| c == ' ' || crate::tui::glyphs::braille_ascii_fallback(c).is_some() |
| 1106 | )); |
| 1107 | } |
| 1108 | } |
| 1109 | } |
| 1110 | } |
| 1111 | for pose in 0..16 { |
| 1112 | for dx in 0..2 { |
| 1113 | for dy in 0..4 { |
| 1114 | let rows = native_poses::jelly(pose, dx, dy); |
| 1115 | assert_eq!(rows.len(), 3); |
| 1116 | for row in rows { |
| 1117 | assert_eq!(row.width(), 5); |
| 1118 | assert!(row.chars().all( |
| 1119 | |c| c == ' ' || crate::tui::glyphs::braille_ascii_fallback(c).is_some() |
| 1120 | )); |
| 1121 | } |
| 1122 | assert!(rows.iter().all(|r| r.chars().count() == 5)); |
| 1123 | } |
| 1124 | } |
| 1125 | } |
| 1126 | } |
| 1127 | |
| 1128 | #[test] |
| 1129 | fn native_fish_move_within_the_old_whole_cell_dwell() { |
| 1130 | let area = Rect::new(0, 0, 100, 30); |
| 1131 | let a = native_frame_at(area, 190); |
| 1132 | let b = native_frame_at(area, 380); |
| 1133 | let (a, b) = (&a.marks[0], &b.marks[0]); |
| 1134 | assert_eq!( |
| 1135 | (a.x, a.y), |
| 1136 | (b.x, b.y), |
| 1137 | "both samples share the same cell anchor" |
| 1138 | ); |
| 1139 | assert_ne!( |
| 1140 | a.glyph, b.glyph, |
| 1141 | "half-cell travel must change the raster within a cell" |
| 1142 | ); |
| 1143 | } |
| 1144 | |
| 1145 | #[test] |
| 1146 | fn native_motion_sampling_is_independent_of_cadence_and_history() { |
| 1147 | let area = Rect::new(0, 0, 100, 30); |
| 1148 | let pose = |t| { |
| 1149 | native_frame_at(area, t) |
| 1150 | .marks |
| 1151 | .iter() |
| 1152 | .map(|mark| (mark.x, mark.y, mark.glyph)) |
| 1153 | .collect::<Vec<_>>() |
| 1154 | }; |
| 1155 | // Deliberately skip, reverse and change the draw cadence before landing |
| 1156 | // on shared timestamps. A per-paint simulation would make these differ. |
| 1157 | for target in [500, 1_000, 5_200, 9_400, 56_400, 300_800] { |
| 1158 | let expected = pose(target); |
| 1159 | for step in [16, 33, 117] { |
| 1160 | for t in (0..target as usize).step_by(step) { |
| 1161 | let _ = pose(t as u128); |
| 1162 | } |
| 1163 | assert_eq!(expected, pose(target)); |
| 1164 | } |
| 1165 | let _ = pose(target + 10_000); |
| 1166 | assert_eq!(expected, pose(target)); |
| 1167 | } |
| 1168 | } |
| 1169 | |
| 1170 | #[test] |
| 1171 | fn native_temporal_sweep_retains_population_and_paint_bounds() { |
| 1172 | for area in [ |
| 1173 | Rect::new(0, 0, 40, 12), |
| 1174 | Rect::new(0, 0, 80, 24), |
| 1175 | Rect::new(0, 0, 140, 40), |
| 1176 | ] { |
| 1177 | // Cover rise, departure, long absence and next arrival, not just t=0. |
| 1178 | let mut saw_jelly = false; |
| 1179 | let mut saw_absence = false; |
| 1180 | for t in (0..310_000).step_by(250) { |
| 1181 | let frame = native_frame_at(area, t); |
| 1182 | let count = frame.marks.iter().filter(|m| m.jellyfish.is_some()).count(); |
| 1183 | assert!( |
| 1184 | count == 0 || count == 3, |
| 1185 | "native jelly must be one complete group at {t}" |
| 1186 | ); |
| 1187 | saw_jelly |= count == 3; |
| 1188 | saw_absence |= count == 0; |
| 1189 | assert!(frame.marks.len() <= 13); |
| 1190 | let mut buf = Buffer::empty(area); |
| 1191 | let mut stats = AmbientFrameStats { |
| 1192 | marks_built: frame.marks.len() as u32, |
| 1193 | ..Default::default() |
| 1194 | }; |
| 1195 | paint_marks( |
| 1196 | area, |
| 1197 | &mut buf, |
| 1198 | (Color::Cyan, Color::Blue), |
| 1199 | &[], |
| 1200 | &frame, |
| 1201 | 1.0, |
| 1202 | &mut stats, |
| 1203 | ); |
| 1204 | assert_eq!( |
| 1205 | stats.marks_built, |
| 1206 | stats.marks_painted + stats.marks_skipped_text + stats.marks_clipped |
| 1207 | ); |
| 1208 | assert!(stats.cells_written <= stats.marks_painted * 5); |
| 1209 | } |
| 1210 | assert!( |
| 1211 | saw_jelly && saw_absence, |
| 1212 | "visit lifecycle missing at {area:?}" |
| 1213 | ); |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | #[test] |
| 1218 | fn native_jelly_stays_whole_as_wide_text_streams_through_its_lane() { |
| 1219 | let area = Rect::new(0, 0, 80, 24); |
| 1220 | let mut frame = native_frame_at(area, 0); |
| 1221 | frame.marks.retain(|mark| mark.jellyfish.is_some()); |
| 1222 | assert_eq!(frame.marks.len(), 3); |
| 1223 | let y = frame.marks[0].y; |
| 1224 | for width in 0..=40 { |
| 1225 | let mut lines = vec![Line::default(); area.height as usize]; |
| 1226 | lines[y as usize] = Line::from("鲸".repeat(width)); |
| 1227 | let mut buf = Buffer::empty(area); |
| 1228 | buf.set_line(0, y, &lines[y as usize], area.width); |
| 1229 | let before = buf.clone(); |
| 1230 | let mut stats = AmbientFrameStats { |
| 1231 | marks_built: 3, |
| 1232 | ..Default::default() |
| 1233 | }; |
| 1234 | paint_marks( |
| 1235 | area, |
| 1236 | &mut buf, |
| 1237 | (Color::Cyan, Color::Blue), |
| 1238 | &lines, |
| 1239 | &frame, |
| 1240 | 1.0, |
| 1241 | &mut stats, |
| 1242 | ); |
| 1243 | assert!( |
| 1244 | stats.marks_painted == 0 || stats.marks_painted == 3, |
| 1245 | "partial jelly at width {width}" |
| 1246 | ); |
| 1247 | for x in 0..(width as u16 * 2).min(area.width) { |
| 1248 | assert_eq!(buf[(x, y)], before[(x, y)], "painted over wide text at {x}"); |
| 1249 | } |
| 1250 | } |
| 1251 | } |
| 1252 |