| 1 | use super::*; |
| 2 | |
| 3 | fn distance(a: Color, b: Color) -> u16 { |
| 4 | let (ar, ag, ab) = rgb(a).expect("RGB color"); |
| 5 | let (br, bg, bb) = rgb(b).expect("RGB color"); |
| 6 | ar.abs_diff(br) as u16 + ag.abs_diff(bg) as u16 + ab.abs_diff(bb) as u16 |
| 7 | } |
| 8 | |
| 9 | fn relative_luminance(value: Color) -> f64 { |
| 10 | let (r, g, b) = rgb(value).expect("contrast colors must be RGB"); |
| 11 | let linearize = |component: u8| { |
| 12 | let srgb = f64::from(component) / 255.0; |
| 13 | if srgb <= 0.04045 { |
| 14 | srgb / 12.92 |
| 15 | } else { |
| 16 | ((srgb + 0.055) / 1.055).powf(2.4) |
| 17 | } |
| 18 | }; |
| 19 | 0.2126 * linearize(r) + 0.7152 * linearize(g) + 0.0722 * linearize(b) |
| 20 | } |
| 21 | |
| 22 | fn contrast_ratio(foreground: Color, background: Color) -> f64 { |
| 23 | let foreground = relative_luminance(foreground); |
| 24 | let background = relative_luminance(background); |
| 25 | let (lighter, darker) = if foreground >= background { |
| 26 | (foreground, background) |
| 27 | } else { |
| 28 | (background, foreground) |
| 29 | }; |
| 30 | (lighter + 0.05) / (darker + 0.05) |
| 31 | } |
| 32 | |
| 33 | #[test] |
| 34 | fn whale_ramp_is_perceptibly_deep_not_merely_non_equal() { |
| 35 | let ramp = OceanRamp::for_theme(&crate::palette::UI_THEME).expect("RGB theme"); |
| 36 | assert_eq!(ramp.surface, Color::Rgb(0x0e, 0x17, 0x29)); |
| 37 | assert_eq!(ramp.middle, Color::Rgb(0x08, 0x11, 0x1c)); |
| 38 | assert_eq!(ramp.deep, Color::Rgb(0x03, 0x07, 0x0d)); |
| 39 | assert!( |
| 40 | distance(ramp.surface, ramp.deep) >= 32, |
| 41 | "the selected underwater treatment must read at a glance" |
| 42 | ); |
| 43 | assert_ne!(ramp.color_at(0, 20), ramp.color_at(19, 20)); |
| 44 | } |
| 45 | |
| 46 | #[test] |
| 47 | fn light_theme_stays_light_enough_for_light_theme_text() { |
| 48 | let ramp = OceanRamp::for_theme(&crate::palette::LIGHT_UI_THEME).expect("RGB theme"); |
| 49 | assert_eq!(ramp.surface, Color::Rgb(0xff, 0xfd, 0xf8)); |
| 50 | assert_eq!(ramp.middle, Color::Rgb(0xf4, 0xf7, 0xfb)); |
| 51 | assert_eq!(ramp.deep, Color::Rgb(0xf0, 0xf4, 0xf9)); |
| 52 | let (r, g, b) = rgb(ramp.deep).expect("RGB color"); |
| 53 | assert!(u16::from(r) + u16::from(g) + u16::from(b) > 420); |
| 54 | } |
| 55 | |
| 56 | #[test] |
| 57 | fn light_ocean_and_selection_keep_text_and_semantic_roles_readable() { |
| 58 | let theme = crate::palette::LIGHT_UI_THEME; |
| 59 | let ramp = OceanRamp::for_theme(&theme).expect("RGB theme"); |
| 60 | let foregrounds = [ |
| 61 | ("body", theme.text_body), |
| 62 | ("soft", theme.text_soft), |
| 63 | ("muted", theme.text_muted), |
| 64 | ("hint", theme.text_hint), |
| 65 | ("action", theme.accent_primary), |
| 66 | ("live", theme.status_working), |
| 67 | ("human", theme.accent_action), |
| 68 | ("warning", theme.warning), |
| 69 | ("danger", theme.error_fg), |
| 70 | ("act mode", theme.mode_agent), |
| 71 | ("plan mode", theme.mode_plan), |
| 72 | ("operate", theme.mode_operate), |
| 73 | ("full-access mode", theme.mode_yolo), |
| 74 | ("success", theme.success), |
| 75 | ("user", crate::palette::LIGHT_USER_BODY), |
| 76 | ]; |
| 77 | let backgrounds = [ |
| 78 | ("ocean surface", ramp.surface), |
| 79 | ("ocean middle", ramp.middle), |
| 80 | ("ocean deep", ramp.deep), |
| 81 | ("selection", theme.selection_bg), |
| 82 | ]; |
| 83 | |
| 84 | for (background_name, background) in backgrounds { |
| 85 | for (foreground_name, foreground) in foregrounds { |
| 86 | let ratio = contrast_ratio(foreground, background); |
| 87 | assert!( |
| 88 | ratio >= 4.5, |
| 89 | "light {foreground_name} on {background_name} contrast {ratio:.2} is below 4.50" |
| 90 | ); |
| 91 | } |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | #[test] |
| 96 | fn whale_custom_background_uses_the_configured_surface() { |
| 97 | let custom = Color::Rgb(0x12, 0x1a, 0x2d); |
| 98 | let theme = crate::palette::UI_THEME.with_background_color(custom); |
| 99 | let ramp = OceanRamp::for_theme(&theme).expect("custom backgrounds retain ombre"); |
| 100 | |
| 101 | assert_ne!(ramp.surface, Color::Rgb(0x0e, 0x17, 0x29)); |
| 102 | assert_ne!(ramp.surface, ramp.deep); |
| 103 | } |
| 104 | |
| 105 | #[test] |
| 106 | fn inherited_terminal_background_reports_no_ramp() { |
| 107 | let mut theme = crate::palette::UI_THEME; |
| 108 | theme.surface_bg = Color::Reset; |
| 109 | assert_eq!(OceanRamp::for_theme(&theme), None); |
| 110 | } |
| 111 | |
| 112 | #[test] |
| 113 | fn solarized_light_preserves_its_canonical_base3_background() { |
| 114 | let theme = crate::palette::SOLARIZED_LIGHT_UI_THEME; |
| 115 | |
| 116 | assert_eq!(theme.surface_bg, Color::Rgb(0xfd, 0xf6, 0xe3)); |
| 117 | assert_eq!(OceanRamp::for_theme(&theme), None); |
| 118 | } |
| 119 | |
| 120 | #[test] |
| 121 | fn solarized_light_custom_background_preserves_ombre() { |
| 122 | let custom = Color::Rgb(0x1a, 0x1b, 0x26); |
| 123 | let theme = crate::palette::SOLARIZED_LIGHT_UI_THEME.with_background_color(custom); |
| 124 | let ramp = OceanRamp::for_theme(&theme).expect("custom backgrounds retain ombre"); |
| 125 | |
| 126 | assert_ne!(ramp.surface, custom); |
| 127 | assert_ne!(ramp.surface, ramp.deep); |
| 128 | } |
| 129 | |
| 130 | #[test] |
| 131 | fn every_shipped_theme_has_an_intentional_ocean_treatment() { |
| 132 | use crate::palette::{SELECTABLE_THEMES, ThemeId}; |
| 133 | |
| 134 | for id in SELECTABLE_THEMES { |
| 135 | let ramp = OceanRamp::for_theme(&id.ui_theme()); |
| 136 | if matches!(id, ThemeId::Terminal | ThemeId::SolarizedLight) { |
| 137 | assert_eq!( |
| 138 | ramp, |
| 139 | None, |
| 140 | "{} must keep its canonical background", |
| 141 | id.name() |
| 142 | ); |
| 143 | } else { |
| 144 | let ramp = ramp.unwrap_or_else(|| panic!("{} has no ocean ramp", id.name())); |
| 145 | assert_ne!( |
| 146 | ramp.surface, |
| 147 | ramp.deep, |
| 148 | "{} lost underwater depth", |
| 149 | id.name() |
| 150 | ); |
| 151 | } |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | #[test] |
| 156 | fn treatment_parses_saved_values_and_defaults_to_ombre() { |
| 157 | assert_eq!(OceanTreatment::parse("flat"), OceanTreatment::Flat); |
| 158 | assert_eq!(OceanTreatment::parse(" FLAT "), OceanTreatment::Flat); |
| 159 | assert_eq!(OceanTreatment::parse("ombre"), OceanTreatment::Ombre); |
| 160 | assert_eq!(OceanTreatment::parse("kelp"), OceanTreatment::Ombre); |
| 161 | assert_eq!(OceanTreatment::parse(""), OceanTreatment::Ombre); |
| 162 | // Migration shim: settings saved by pre-0.9.4 builds may still carry the |
| 163 | // removed classic shell; they load as the default ombre treatment. |
| 164 | assert_eq!(OceanTreatment::parse("classic"), OceanTreatment::Ombre); |
| 165 | } |
| 166 | |
| 167 | #[test] |
| 168 | fn every_underwater_treatment_keeps_ambient_life() { |
| 169 | // The classic shell was the only treatment that stilled ambient life; with |
| 170 | // it removed there is no per-treatment ambient-life flag left to test. |
| 171 | // What remains worth pinning: both live treatments stay distinct so the |
| 172 | // flat/ombre choice keeps its meaning. |
| 173 | assert_ne!(OceanTreatment::Ombre, OceanTreatment::Flat); |
| 174 | assert!(OceanTreatment::Ombre.is_ombre()); |
| 175 | assert!(OceanTreatment::Flat.is_flat()); |
| 176 | } |
| 177 | |
| 178 | #[test] |
| 179 | fn ambient_ink_matches_sunk_sky_shades_and_survives_reset_surfaces() { |
| 180 | // RGB themes: fish wear two sunk sky shades; seafoam remains live-work ink. |
| 181 | let theme = crate::palette::UI_THEME; |
| 182 | let ramp = OceanRamp::for_theme(&theme).expect("RGB theme"); |
| 183 | let (primary, secondary) = ambient_inks(&theme); |
| 184 | assert_ne!(primary, ramp.ambient); |
| 185 | assert_ne!(primary, secondary); |
| 186 | assert_ne!(primary, theme.accent_secondary); |
| 187 | |
| 188 | // Terminal-owned surfaces have no RGB base; the raw secondary accent |
| 189 | // lets the terminal's own palette color the life. |
| 190 | let terminal = crate::palette::TERMINAL_UI_THEME; |
| 191 | assert_eq!(ambient_inks(&terminal), (terminal.info, terminal.info)); |
| 192 | } |
| 193 | |
| 194 | #[test] |
| 195 | fn shimmer_is_subtle_and_concentrated_near_the_surface() { |
| 196 | let ramp = OceanRamp::for_theme(&crate::palette::UI_THEME).expect("RGB theme"); |
| 197 | let surface_a = ramp.color_at_phase(0, 20, 0, ShellPhase::Idle); |
| 198 | let surface_b = ramp.color_at_phase(0, 20, 3_000, ShellPhase::Idle); |
| 199 | let deep_a = ramp.color_at_phase(19, 20, 0, ShellPhase::Idle); |
| 200 | let deep_b = ramp.color_at_phase(19, 20, 3_000, ShellPhase::Idle); |
| 201 | |
| 202 | let surface_shift = distance(surface_a, surface_b); |
| 203 | assert!( |
| 204 | (1..=8).contains(&surface_shift), |
| 205 | "surface shift was {surface_shift}" |
| 206 | ); |
| 207 | assert_eq!( |
| 208 | deep_a, deep_b, |
| 209 | "the floor should stay perceptually anchored" |
| 210 | ); |
| 211 | } |
| 212 | |
| 213 | #[test] |
| 214 | fn attention_phases_are_still_and_work_phases_have_distinct_depth_bias() { |
| 215 | let ramp = OceanRamp::for_theme(&crate::palette::UI_THEME).expect("RGB theme"); |
| 216 | for phase in [ |
| 217 | ShellPhase::Waiting, |
| 218 | ShellPhase::Approval, |
| 219 | ShellPhase::Failed, |
| 220 | ] { |
| 221 | assert_eq!( |
| 222 | ramp.color_at_phase(4, 20, 0, phase), |
| 223 | ramp.color_at_phase(4, 20, 45_000, phase) |
| 224 | ); |
| 225 | } |
| 226 | assert_ne!( |
| 227 | ramp.color_at_phase(10, 20, 22_500, ShellPhase::Working), |
| 228 | ramp.color_at_phase(10, 20, 22_500, ShellPhase::Verifying) |
| 229 | ); |
| 230 | } |
| 231 | |
| 232 | #[test] |
| 233 | fn completion_breath_peaks_once_then_settles() { |
| 234 | let ramp = OceanRamp::for_theme(&crate::palette::UI_THEME).expect("RGB theme"); |
| 235 | let start = ramp.color_at_completion(0, 20, 0); |
| 236 | let peak = ramp.color_at_completion(0, 20, 320); |
| 237 | let settled = ramp.color_at_completion(0, 20, 800); |
| 238 | assert_ne!(start, peak); |
| 239 | assert_ne!(peak, settled); |
| 240 | assert_eq!(settled, ramp.color_at(0, 20)); |
| 241 | } |
| 242 | |
| 243 | #[test] |
| 244 | fn cache_fingerprint_changes_when_only_ramp_colors_change() { |
| 245 | let viewport = Rect::new(3, 5, 80, 24); |
| 246 | let first_ramp = OceanRamp { |
| 247 | surface: Color::Rgb(1, 2, 3), |
| 248 | middle: Color::Rgb(4, 5, 6), |
| 249 | deep: Color::Rgb(7, 8, 9), |
| 250 | ambient: Color::Rgb(10, 11, 12), |
| 251 | }; |
| 252 | let second_ramp = OceanRamp { |
| 253 | surface: Color::Rgb(21, 22, 23), |
| 254 | middle: Color::Rgb(24, 25, 26), |
| 255 | deep: Color::Rgb(27, 28, 29), |
| 256 | ambient: Color::Rgb(30, 31, 32), |
| 257 | }; |
| 258 | let first = OceanColumn::new( |
| 259 | first_ramp, |
| 260 | viewport, |
| 261 | 22_500, |
| 262 | None, |
| 263 | ShellPhase::Working, |
| 264 | true, |
| 265 | 1000, |
| 266 | ); |
| 267 | let second = OceanColumn::new( |
| 268 | second_ramp, |
| 269 | viewport, |
| 270 | 22_500, |
| 271 | None, |
| 272 | ShellPhase::Working, |
| 273 | true, |
| 274 | 1000, |
| 275 | ); |
| 276 | |
| 277 | assert_ne!(first.color_at_y(viewport.y), second.color_at_y(viewport.y)); |
| 278 | assert_ne!( |
| 279 | first.ramp_fingerprint(), |
| 280 | second.ramp_fingerprint(), |
| 281 | "visibly different palettes must not reuse the same row-color cache" |
| 282 | ); |
| 283 | } |
| 284 | |
| 285 | #[test] |
| 286 | fn each_ramp_color_participates_in_the_typed_cache_identity() { |
| 287 | let viewport = Rect::new(3, 5, 80, 24); |
| 288 | let ramp = OceanRamp { |
| 289 | surface: Color::Rgb(1, 2, 3), |
| 290 | middle: Color::Rgb(4, 5, 6), |
| 291 | deep: Color::Rgb(7, 8, 9), |
| 292 | ambient: Color::Rgb(10, 11, 12), |
| 293 | }; |
| 294 | let baseline = OceanColumn::new( |
| 295 | ramp, |
| 296 | viewport, |
| 297 | 22_500, |
| 298 | None, |
| 299 | ShellPhase::Working, |
| 300 | true, |
| 301 | 1000, |
| 302 | ); |
| 303 | let alternatives = [ |
| 304 | OceanRamp { |
| 305 | surface: Color::Rgb(101, 2, 3), |
| 306 | ..ramp |
| 307 | }, |
| 308 | OceanRamp { |
| 309 | middle: Color::Rgb(104, 5, 6), |
| 310 | ..ramp |
| 311 | }, |
| 312 | OceanRamp { |
| 313 | deep: Color::Rgb(107, 8, 9), |
| 314 | ..ramp |
| 315 | }, |
| 316 | OceanRamp { |
| 317 | ambient: Color::Rgb(110, 11, 12), |
| 318 | ..ramp |
| 319 | }, |
| 320 | ]; |
| 321 | |
| 322 | for alternative in alternatives { |
| 323 | let changed = OceanColumn::new( |
| 324 | alternative, |
| 325 | viewport, |
| 326 | 22_500, |
| 327 | None, |
| 328 | ShellPhase::Working, |
| 329 | true, |
| 330 | 1000, |
| 331 | ); |
| 332 | assert_ne!( |
| 333 | baseline.ramp_cache_identity(), |
| 334 | changed.ramp_cache_identity() |
| 335 | ); |
| 336 | assert_ne!(baseline.ramp_fingerprint(), changed.ramp_fingerprint()); |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | #[test] |
| 341 | fn identical_semantic_cache_inputs_have_identical_identity() { |
| 342 | let ramp = OceanRamp::for_theme(&crate::palette::UI_THEME).expect("RGB theme"); |
| 343 | let viewport = Rect::new(3, 5, 80, 24); |
| 344 | let first = OceanColumn::new( |
| 345 | ramp, |
| 346 | viewport, |
| 347 | 22_500, |
| 348 | None, |
| 349 | ShellPhase::Working, |
| 350 | true, |
| 351 | 1000, |
| 352 | ); |
| 353 | let second = OceanColumn::new( |
| 354 | ramp, |
| 355 | viewport, |
| 356 | 22_500, |
| 357 | None, |
| 358 | ShellPhase::Working, |
| 359 | true, |
| 360 | 1000, |
| 361 | ); |
| 362 | |
| 363 | assert_eq!(first.ramp_cache_identity(), second.ramp_cache_identity()); |
| 364 | assert_eq!(first.ramp_fingerprint(), second.ramp_fingerprint()); |
| 365 | } |
| 366 | |
| 367 | #[test] |
| 368 | fn split_shell_surfaces_share_one_absolute_row_column() { |
| 369 | let theme = crate::palette::UI_THEME; |
| 370 | let ramp = OceanRamp::for_theme(&theme).expect("RGB theme"); |
| 371 | let viewport = Rect::new(0, 0, 12, 12); |
| 372 | let header = Rect::new(0, 0, 12, 2); |
| 373 | let composer = Rect::new(0, 10, 12, 2); |
| 374 | let mut buf = Buffer::empty(viewport); |
| 375 | for y in header.top()..header.bottom() { |
| 376 | for x in header.left()..header.right() { |
| 377 | buf[(x, y)].set_bg(theme.header_bg); |
| 378 | } |
| 379 | } |
| 380 | for y in composer.top()..composer.bottom() { |
| 381 | for x in composer.left()..composer.right() { |
| 382 | buf[(x, y)].set_bg(theme.composer_bg); |
| 383 | } |
| 384 | } |
| 385 | buf[(4, 10)].set_bg(theme.selection_bg); |
| 386 | |
| 387 | let column = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Idle, false, 0); |
| 388 | column.paint_matching(header, &mut buf, theme.header_bg); |
| 389 | column.paint_matching(composer, &mut buf, theme.composer_bg); |
| 390 | |
| 391 | assert_eq!(buf[(0, 0)].bg, ramp.color_at(0, 12)); |
| 392 | assert_eq!(buf[(0, 11)].bg, ramp.color_at(11, 12)); |
| 393 | assert_ne!(buf[(0, 1)].bg, buf[(0, 10)].bg); |
| 394 | assert_eq!( |
| 395 | buf[(4, 10)].bg, |
| 396 | theme.selection_bg, |
| 397 | "semantic surfaces must survive the shell ombre pass" |
| 398 | ); |
| 399 | } |
| 400 | |
| 401 | // ---- v0.9.4: life presence eases the animated/static boundary ---- |
| 402 | |
| 403 | #[test] |
| 404 | fn life_presence_is_pure_and_bounded() { |
| 405 | // Same inputs -> same output; presence never leaves 0..=1. |
| 406 | let inputs = [ |
| 407 | (None, None, false, false, false), |
| 408 | (None, None, true, false, false), |
| 409 | (Some(0), Some(0), true, false, false), |
| 410 | (Some(500), Some(10_000), false, false, false), |
| 411 | (Some(2_000), None, true, false, false), |
| 412 | (None, Some(30_000), true, true, false), |
| 413 | ]; |
| 414 | for (completion, turn, animated, browsing, empty) in inputs { |
| 415 | let a = life_presence(completion, turn, animated, browsing, empty); |
| 416 | let b = life_presence(completion, turn, animated, browsing, empty); |
| 417 | assert_eq!(a, b, "life_presence must be a pure function of its inputs"); |
| 418 | assert!( |
| 419 | (0.0..=1.0).contains(&a), |
| 420 | "presence must stay in 0..=1, got {a}" |
| 421 | ); |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | #[test] |
| 426 | fn life_presence_holds_full_through_completion_breath_then_settles() { |
| 427 | // During the breath the water keeps full life so the settle flourish is |
| 428 | // accompanied by swimming fish, then presence eases out. |
| 429 | assert_eq!(life_presence(Some(0), None, false, false, false), 1.0); |
| 430 | assert_eq!( |
| 431 | life_presence(Some(COMPLETION_BREATH_MS - 1), None, false, false, false), |
| 432 | 1.0 |
| 433 | ); |
| 434 | assert_eq!( |
| 435 | life_presence(Some(COMPLETION_BREATH_MS), None, false, false, false), |
| 436 | 1.0, |
| 437 | "presence holds at the breath boundary before easing" |
| 438 | ); |
| 439 | let mid = life_presence( |
| 440 | Some(COMPLETION_BREATH_MS + SETTLE_MS / 2), |
| 441 | None, |
| 442 | false, |
| 443 | false, |
| 444 | false, |
| 445 | ); |
| 446 | assert!( |
| 447 | mid > 0.0 && mid < 1.0, |
| 448 | "presence must be mid-fade during the settle window, got {mid}" |
| 449 | ); |
| 450 | assert_eq!( |
| 451 | life_presence( |
| 452 | Some(COMPLETION_BREATH_MS + SETTLE_MS), |
| 453 | None, |
| 454 | false, |
| 455 | false, |
| 456 | false |
| 457 | ), |
| 458 | 0.0, |
| 459 | "presence reaches zero at the end of the settle window" |
| 460 | ); |
| 461 | } |
| 462 | |
| 463 | #[test] |
| 464 | fn life_presence_ramps_in_from_turn_anchor_with_bounded_velocity() { |
| 465 | // Working/Verifying ramps in over RAMP_MS; the ramp is monotone and |
| 466 | // zero-velocity at both ends (smoothstep), so bursty streams ease in. |
| 467 | let at = |ms: u128| life_presence(None, Some(ms), true, false, false); |
| 468 | assert_eq!(at(0), 0.0); |
| 469 | assert_eq!(at(RAMP_MS / 2), 0.5, "smoothstep midpoint is 0.5"); |
| 470 | assert_eq!(at(RAMP_MS), 1.0); |
| 471 | assert_eq!(at(RAMP_MS * 10), 1.0); |
| 472 | // Monotone non-decreasing across the ramp. |
| 473 | let mut prev = 0.0f32; |
| 474 | for step in 1..=16u128 { |
| 475 | let ms = step * RAMP_MS / 16; |
| 476 | let value = at(ms); |
| 477 | assert!(value >= prev, "presence must not regress while ramping"); |
| 478 | prev = value; |
| 479 | } |
| 480 | } |
| 481 | |
| 482 | #[test] |
| 483 | fn life_presence_user_driven_states_are_immediate() { |
| 484 | // Browsing history and the pristine empty state are deliberate user |
| 485 | // surfaces: full presence with no ramp. |
| 486 | assert_eq!(life_presence(None, Some(0), true, true, false), 1.0); |
| 487 | assert_eq!(life_presence(None, Some(0), true, false, true), 1.0); |
| 488 | // Fully static contexts are exactly zero. |
| 489 | assert_eq!(life_presence(None, None, false, false, false), 0.0); |
| 490 | assert_eq!(life_presence(None, Some(50_000), false, false, false), 0.0); |
| 491 | } |
| 492 |