| 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 = |
| 36 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 37 | assert_eq!(ramp.surface, Color::Rgb(0x10, 0x2a, 0x45)); |
| 38 | assert_eq!(ramp.middle, Color::Rgb(0x0a, 0x1e, 0x33)); |
| 39 | assert_eq!(ramp.deep, Color::Rgb(0x06, 0x13, 0x20)); |
| 40 | assert!( |
| 41 | distance(ramp.surface, ramp.deep) >= 32, |
| 42 | "the selected underwater treatment must read at a glance" |
| 43 | ); |
| 44 | assert_ne!( |
| 45 | ramp.color_at_context(0, 20, 0), |
| 46 | ramp.color_at_context(19, 20, 0) |
| 47 | ); |
| 48 | } |
| 49 | |
| 50 | #[test] |
| 51 | fn whale_column_stays_blue_and_gently_banded_at_full_screen_depth() { |
| 52 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 53 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 54 | let mut previous = ramp.color_at_context(0, 80, 0); |
| 55 | |
| 56 | for row in 0..80 { |
| 57 | let current = ramp.color_at_context(row, 80, 0); |
| 58 | let (red, green, blue) = rgb(current).expect("RGB ocean color"); |
| 59 | assert!( |
| 60 | blue > green && green > red, |
| 61 | "row {row} lost the authored blue-ocean ordering: {current:?}" |
| 62 | ); |
| 63 | assert!( |
| 64 | relative_luminance(current) > relative_luminance(codewhale_palette::WHALE_BG), |
| 65 | "row {row} fell back into the near-black shell field" |
| 66 | ); |
| 67 | assert!( |
| 68 | distance(previous, current) <= 4, |
| 69 | "row {row} introduced a hard depth seam" |
| 70 | ); |
| 71 | previous = current; |
| 72 | } |
| 73 | |
| 74 | assert_eq!(ramp.color_at_context(0, 80, 0), ramp.surface); |
| 75 | assert_eq!(ramp.color_at_context(79, 80, 0), ramp.deep); |
| 76 | } |
| 77 | |
| 78 | #[test] |
| 79 | fn whale_ocean_keeps_text_and_semantic_roles_readable() { |
| 80 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 81 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 82 | let foregrounds = [ |
| 83 | ("body", theme.text_body), |
| 84 | ("soft", theme.text_soft), |
| 85 | ("muted", theme.text_muted), |
| 86 | ("hint", theme.text_hint), |
| 87 | ("action", theme.accent_primary), |
| 88 | ("live", theme.status_working), |
| 89 | ("human", theme.accent_action), |
| 90 | ("warning", theme.warning), |
| 91 | ("danger", theme.error_fg), |
| 92 | ("act mode", theme.mode_agent), |
| 93 | ("plan mode", theme.mode_plan), |
| 94 | ("operate", theme.mode_operate), |
| 95 | ("full-access mode", theme.mode_yolo), |
| 96 | ("success", theme.success), |
| 97 | ]; |
| 98 | |
| 99 | for (background_name, background) in [ |
| 100 | ("ocean surface", ramp.surface), |
| 101 | ("ocean middle", ramp.middle), |
| 102 | ("ocean deep", ramp.deep), |
| 103 | ] { |
| 104 | for (foreground_name, foreground) in foregrounds { |
| 105 | let ratio = contrast_ratio(foreground, background); |
| 106 | assert!( |
| 107 | ratio >= 4.5, |
| 108 | "Whale {foreground_name} on {background_name} contrast {ratio:.2} is below 4.50" |
| 109 | ); |
| 110 | } |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | #[test] |
| 115 | fn underwater_custom_background_keeps_the_field() { |
| 116 | let custom = Color::Rgb(0x12, 0x1a, 0x2d); |
| 117 | let theme = codewhale_palette::UNDERWATER_UI_THEME.with_background_color(custom); |
| 118 | let ramp = OceanRamp::for_theme(&theme).expect("the field survives a background override"); |
| 119 | |
| 120 | assert_ne!(ramp.surface, ramp.deep); |
| 121 | } |
| 122 | |
| 123 | #[test] |
| 124 | fn themes_other_than_underwater_own_no_field() { |
| 125 | use codewhale_palette::{SELECTABLE_THEMES, ThemeId}; |
| 126 | |
| 127 | for id in SELECTABLE_THEMES { |
| 128 | let ramp = OceanRamp::for_theme(&id.ui_theme()); |
| 129 | if matches!(id, ThemeId::Underwater) { |
| 130 | assert!(ramp.is_some(), "{} owns the painted field", id.name()); |
| 131 | } else { |
| 132 | assert_eq!( |
| 133 | ramp, |
| 134 | None, |
| 135 | "{} must leave the terminal's ground alone", |
| 136 | id.name() |
| 137 | ); |
| 138 | } |
| 139 | } |
| 140 | |
| 141 | // A custom background repaints surfaces; it never grants a field to a |
| 142 | // theme that does not own one. |
| 143 | let custom = Color::Rgb(0x12, 0x1a, 0x2d); |
| 144 | assert_eq!( |
| 145 | OceanRamp::for_theme(&codewhale_palette::UI_THEME.with_background_color(custom)), |
| 146 | None |
| 147 | ); |
| 148 | } |
| 149 | |
| 150 | #[test] |
| 151 | fn inherited_terminal_background_reports_no_ramp() { |
| 152 | assert_eq!( |
| 153 | OceanRamp::for_theme(&codewhale_palette::TERMINAL_UI_THEME), |
| 154 | None |
| 155 | ); |
| 156 | } |
| 157 | |
| 158 | #[test] |
| 159 | fn solarized_light_preserves_its_canonical_base3_background() { |
| 160 | let theme = codewhale_palette::SOLARIZED_LIGHT_UI_THEME; |
| 161 | |
| 162 | assert_eq!(theme.surface_bg, Color::Rgb(0xfd, 0xf6, 0xe3)); |
| 163 | assert_eq!(OceanRamp::for_theme(&theme), None); |
| 164 | } |
| 165 | |
| 166 | #[test] |
| 167 | fn solarized_light_custom_background_stays_field_free() { |
| 168 | let custom = Color::Rgb(0x1a, 0x1b, 0x26); |
| 169 | let theme = codewhale_palette::SOLARIZED_LIGHT_UI_THEME.with_background_color(custom); |
| 170 | assert_eq!(OceanRamp::for_theme(&theme), None); |
| 171 | assert_eq!(theme.surface_bg, custom); |
| 172 | } |
| 173 | |
| 174 | #[test] |
| 175 | fn terminal_native_themes_keep_reset_shells_while_underwater_paints_the_column() { |
| 176 | for theme in [ |
| 177 | codewhale_palette::UI_THEME, |
| 178 | codewhale_palette::LIGHT_UI_THEME, |
| 179 | ] { |
| 180 | assert_eq!( |
| 181 | OceanRamp::for_theme(&theme), |
| 182 | None, |
| 183 | "{} must not grow a field", |
| 184 | theme.name |
| 185 | ); |
| 186 | for shell_surface in [ |
| 187 | theme.surface_bg, |
| 188 | theme.panel_bg, |
| 189 | theme.composer_bg, |
| 190 | theme.header_bg, |
| 191 | theme.footer_bg, |
| 192 | ] { |
| 193 | assert_eq!(shell_surface, Color::Reset, "{} shell", theme.name); |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 198 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 199 | for painted in [ramp.surface, ramp.middle, ramp.deep, ramp.ambient] { |
| 200 | assert_ne!(painted, Color::Reset, "underwater paint"); |
| 201 | } |
| 202 | |
| 203 | let area = Rect::new(0, 0, 4, 4); |
| 204 | let mut buf = Buffer::empty(area); |
| 205 | // The shell has already painted its surface; paint_matching only re-inks |
| 206 | // cells wearing that exact background. |
| 207 | for y in 0..area.height { |
| 208 | for x in 0..area.width { |
| 209 | buf[(x, y)].set_bg(theme.surface_bg); |
| 210 | } |
| 211 | } |
| 212 | let column = OceanColumn::new(ramp, area, 0, None, ShellPhase::Idle, false, 0, 0); |
| 213 | column.paint_matching(area, &mut buf, theme.surface_bg); |
| 214 | assert_ne!(buf[(0, 0)].bg, Color::Reset); |
| 215 | assert_ne!(buf[(0, area.height - 1)].bg, Color::Reset); |
| 216 | assert_ne!(buf[(0, 0)].bg, buf[(0, area.height - 1)].bg); |
| 217 | } |
| 218 | |
| 219 | #[test] |
| 220 | fn ambient_ink_matches_sunk_sky_shades_and_survives_reset_surfaces() { |
| 221 | // The underwater theme's authored RGB ramp gives its shell two sunk sky |
| 222 | // shades; seafoam remains live-work ink. |
| 223 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 224 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 225 | let baseline = crate::tui::ambient_life::AmbientActivity::Baseline; |
| 226 | let (primary, secondary) = ambient_inks_for_activity(&theme, baseline); |
| 227 | assert_ne!(primary, ramp.ambient); |
| 228 | assert_ne!(primary, secondary); |
| 229 | assert_ne!(primary, theme.accent_secondary); |
| 230 | |
| 231 | // Terminal-owned surfaces have no RGB base; the raw secondary accent |
| 232 | // lets the terminal's own palette color the life. |
| 233 | let terminal = codewhale_palette::TERMINAL_UI_THEME; |
| 234 | assert_eq!( |
| 235 | ambient_inks_for_activity(&terminal, baseline), |
| 236 | (terminal.info, terminal.info) |
| 237 | ); |
| 238 | } |
| 239 | |
| 240 | #[test] |
| 241 | fn ambient_ink_reads_the_activity_at_a_glance() { |
| 242 | use crate::tui::ambient_life::AmbientActivity; |
| 243 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 244 | let baseline = ambient_inks_for_activity(&theme, AmbientActivity::Baseline); |
| 245 | let reasoning = ambient_inks_for_activity(&theme, AmbientActivity::Reasoning); |
| 246 | let tools = ambient_inks_for_activity(&theme, AmbientActivity::Tools); |
| 247 | let subagents = ambient_inks_for_activity(&theme, AmbientActivity::Subagents); |
| 248 | |
| 249 | // Each activity wears its own water: dim deep for reasoning, bright |
| 250 | // current for tools, seafoam for orchestration. |
| 251 | assert_ne!(reasoning, baseline); |
| 252 | assert_ne!(tools, baseline); |
| 253 | assert_ne!(subagents, baseline); |
| 254 | assert_ne!(subagents, tools); |
| 255 | // Verifying keeps the metered baseline treatment. |
| 256 | assert_eq!( |
| 257 | ambient_inks_for_activity(&theme, AmbientActivity::Verifying), |
| 258 | baseline |
| 259 | ); |
| 260 | } |
| 261 | |
| 262 | #[test] |
| 263 | fn attention_phases_tint_the_water_even_when_life_has_settled() { |
| 264 | let viewport = Rect::new(0, 0, 80, 24); |
| 265 | let ramp = |
| 266 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 267 | // presence 0 + animated false is the fully settled, reduced-motion case — |
| 268 | // exactly where the old treatment went neutral and a blocked session was |
| 269 | // indistinguishable from an idle one across the room. |
| 270 | let waiting = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Approval, false, 0, 0); |
| 271 | let failed = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Failed, false, 0, 0); |
| 272 | let idle = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Idle, false, 0, 0); |
| 273 | |
| 274 | assert_ne!(waiting.color_at_y(0), idle.color_at_y(0)); |
| 275 | assert_ne!(failed.color_at_y(0), idle.color_at_y(0)); |
| 276 | assert_ne!(waiting.color_at_y(0), failed.color_at_y(0)); |
| 277 | |
| 278 | // The tint is steady across time and motion settings alike. |
| 279 | let later = OceanColumn::new(ramp, viewport, 700, None, ShellPhase::Approval, true, 0, 0); |
| 280 | assert_eq!(waiting.color_at_y(0), later.color_at_y(0)); |
| 281 | } |
| 282 | |
| 283 | /// A full context window reads as the trench: row 0 at 100% matches the |
| 284 | /// bottom row at 0%, so the abyss visibly rises as context fills. |
| 285 | #[test] |
| 286 | fn context_fill_drags_the_water_column_toward_the_deep() { |
| 287 | let ramp = |
| 288 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 289 | let surface_row = ramp.color_at_context(0, 24, 0); |
| 290 | let abyss_row = ramp.color_at_context(0, 24, 100); |
| 291 | assert_ne!(surface_row, abyss_row); |
| 292 | assert_eq!(abyss_row, ramp.color_at_context(23, 24, 0)); |
| 293 | } |
| 294 | |
| 295 | #[test] |
| 296 | fn shimmer_is_subtle_and_concentrated_near_the_surface() { |
| 297 | let ramp = |
| 298 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 299 | let surface_a = ramp.color_at_phase_context(0, 20, 0, ShellPhase::Idle, 0); |
| 300 | let surface_b = ramp.color_at_phase_context(0, 20, 22_500, ShellPhase::Idle, 0); |
| 301 | let deep_a = ramp.color_at_phase_context(19, 20, 0, ShellPhase::Idle, 0); |
| 302 | let deep_b = ramp.color_at_phase_context(19, 20, 22_500, ShellPhase::Idle, 0); |
| 303 | |
| 304 | let surface_shift = distance(surface_a, surface_b); |
| 305 | assert!( |
| 306 | (1..=8).contains(&surface_shift), |
| 307 | "surface shift was {surface_shift}" |
| 308 | ); |
| 309 | assert_eq!( |
| 310 | deep_a, deep_b, |
| 311 | "the floor should stay perceptually anchored" |
| 312 | ); |
| 313 | } |
| 314 | |
| 315 | #[test] |
| 316 | fn attention_phases_carry_their_own_water_and_work_phases_have_distinct_depth_bias() { |
| 317 | let ramp = |
| 318 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 319 | // Attention tints are steady — the color itself is the signal, and a |
| 320 | // slow breath read as flicker rather than intent — but never neutral: |
| 321 | // each attention phase differs from the plain water. |
| 322 | for phase in [ |
| 323 | ShellPhase::Waiting, |
| 324 | ShellPhase::Approval, |
| 325 | ShellPhase::Failed, |
| 326 | ] { |
| 327 | assert_eq!( |
| 328 | ramp.color_at_phase_context(4, 20, 0, phase, 0), |
| 329 | ramp.color_at_phase_context(4, 20, 45_000, phase, 0) |
| 330 | ); |
| 331 | assert_ne!( |
| 332 | ramp.color_at_phase_context(4, 20, 0, phase, 0), |
| 333 | ramp.color_at_context(4, 20, 0) |
| 334 | ); |
| 335 | } |
| 336 | assert_ne!( |
| 337 | ramp.color_at_phase_context(10, 20, 22_500, ShellPhase::Working, 0), |
| 338 | ramp.color_at_phase_context(10, 20, 22_500, ShellPhase::Verifying, 0) |
| 339 | ); |
| 340 | } |
| 341 | |
| 342 | #[test] |
| 343 | fn tall_columns_darken_continuously_without_an_anchor_shelf() { |
| 344 | // The old two-segment ramp met at 0.42 with zero color velocity on both |
| 345 | // sides: on a tall window that shelf read as a horizontal seam. The |
| 346 | // Bézier column must keep moving through the former anchor zone. |
| 347 | let ramp = |
| 348 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 349 | let height = 120; |
| 350 | let anchor = 50; // ~0.42 of 120 |
| 351 | let above = ramp.color_at_context(anchor - 6, height, 0); |
| 352 | let at = ramp.color_at_context(anchor, height, 0); |
| 353 | let below = ramp.color_at_context(anchor + 6, height, 0); |
| 354 | assert_ne!(above, at, "water must still darken entering the old anchor"); |
| 355 | assert_ne!(at, below, "water must still darken leaving the old anchor"); |
| 356 | assert_eq!(ramp.color_at_context(0, height, 0), ramp.surface); |
| 357 | assert_eq!(ramp.color_at_context(height - 1, height, 0), ramp.deep); |
| 358 | } |
| 359 | |
| 360 | #[test] |
| 361 | fn completion_breath_peaks_once_then_settles() { |
| 362 | let ramp = |
| 363 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 364 | let start = ramp.color_at_completion_context(0, 20, 0, 0); |
| 365 | let peak = ramp.color_at_completion_context(0, 20, 320, 0); |
| 366 | let settled = ramp.color_at_completion_context(0, 20, 800, 0); |
| 367 | assert_ne!(start, peak); |
| 368 | assert_ne!(peak, settled); |
| 369 | assert_eq!(settled, ramp.color_at_context(0, 20, 0)); |
| 370 | } |
| 371 | |
| 372 | #[test] |
| 373 | fn cache_fingerprint_changes_when_only_ramp_colors_change() { |
| 374 | let viewport = Rect::new(3, 5, 80, 24); |
| 375 | let first_ramp = OceanRamp { |
| 376 | surface: Color::Rgb(1, 2, 3), |
| 377 | middle: Color::Rgb(4, 5, 6), |
| 378 | deep: Color::Rgb(7, 8, 9), |
| 379 | ambient: Color::Rgb(10, 11, 12), |
| 380 | attention: Color::Rgb(240, 180, 60), |
| 381 | failure: Color::Rgb(220, 80, 80), |
| 382 | }; |
| 383 | let second_ramp = OceanRamp { |
| 384 | surface: Color::Rgb(21, 22, 23), |
| 385 | middle: Color::Rgb(24, 25, 26), |
| 386 | deep: Color::Rgb(27, 28, 29), |
| 387 | ambient: Color::Rgb(30, 31, 32), |
| 388 | attention: Color::Rgb(240, 180, 60), |
| 389 | failure: Color::Rgb(220, 80, 80), |
| 390 | }; |
| 391 | let first = OceanColumn::new( |
| 392 | first_ramp, |
| 393 | viewport, |
| 394 | 22_500, |
| 395 | None, |
| 396 | ShellPhase::Working, |
| 397 | true, |
| 398 | 1000, |
| 399 | 0, |
| 400 | ); |
| 401 | let second = OceanColumn::new( |
| 402 | second_ramp, |
| 403 | viewport, |
| 404 | 22_500, |
| 405 | None, |
| 406 | ShellPhase::Working, |
| 407 | true, |
| 408 | 1000, |
| 409 | 0, |
| 410 | ); |
| 411 | |
| 412 | assert_ne!(first.color_at_y(viewport.y), second.color_at_y(viewport.y)); |
| 413 | assert_ne!( |
| 414 | first.ramp_fingerprint(), |
| 415 | second.ramp_fingerprint(), |
| 416 | "visibly different palettes must not reuse the same row-color cache" |
| 417 | ); |
| 418 | } |
| 419 | |
| 420 | #[test] |
| 421 | fn each_ramp_color_participates_in_the_typed_cache_identity() { |
| 422 | let viewport = Rect::new(3, 5, 80, 24); |
| 423 | let ramp = OceanRamp { |
| 424 | surface: Color::Rgb(1, 2, 3), |
| 425 | middle: Color::Rgb(4, 5, 6), |
| 426 | deep: Color::Rgb(7, 8, 9), |
| 427 | ambient: Color::Rgb(10, 11, 12), |
| 428 | attention: Color::Rgb(240, 180, 60), |
| 429 | failure: Color::Rgb(220, 80, 80), |
| 430 | }; |
| 431 | let baseline = OceanColumn::new( |
| 432 | ramp, |
| 433 | viewport, |
| 434 | 22_500, |
| 435 | None, |
| 436 | ShellPhase::Working, |
| 437 | true, |
| 438 | 1000, |
| 439 | 0, |
| 440 | ); |
| 441 | let alternatives = [ |
| 442 | OceanRamp { |
| 443 | surface: Color::Rgb(101, 2, 3), |
| 444 | ..ramp |
| 445 | }, |
| 446 | OceanRamp { |
| 447 | middle: Color::Rgb(104, 5, 6), |
| 448 | ..ramp |
| 449 | }, |
| 450 | OceanRamp { |
| 451 | deep: Color::Rgb(107, 8, 9), |
| 452 | ..ramp |
| 453 | }, |
| 454 | OceanRamp { |
| 455 | ambient: Color::Rgb(110, 11, 12), |
| 456 | ..ramp |
| 457 | }, |
| 458 | OceanRamp { |
| 459 | attention: Color::Rgb(255, 200, 90), |
| 460 | ..ramp |
| 461 | }, |
| 462 | OceanRamp { |
| 463 | failure: Color::Rgb(255, 90, 90), |
| 464 | ..ramp |
| 465 | }, |
| 466 | ]; |
| 467 | |
| 468 | for alternative in alternatives { |
| 469 | let changed = OceanColumn::new( |
| 470 | alternative, |
| 471 | viewport, |
| 472 | 22_500, |
| 473 | None, |
| 474 | ShellPhase::Working, |
| 475 | true, |
| 476 | 1000, |
| 477 | 0, |
| 478 | ); |
| 479 | assert_ne!( |
| 480 | baseline.ramp_cache_identity(), |
| 481 | changed.ramp_cache_identity() |
| 482 | ); |
| 483 | assert_ne!(baseline.ramp_fingerprint(), changed.ramp_fingerprint()); |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | #[test] |
| 488 | fn identical_semantic_cache_inputs_have_identical_identity() { |
| 489 | let ramp = |
| 490 | OceanRamp::for_theme(&codewhale_palette::UNDERWATER_UI_THEME).expect("underwater ramp"); |
| 491 | let viewport = Rect::new(3, 5, 80, 24); |
| 492 | let first = OceanColumn::new( |
| 493 | ramp, |
| 494 | viewport, |
| 495 | 22_500, |
| 496 | None, |
| 497 | ShellPhase::Working, |
| 498 | true, |
| 499 | 1000, |
| 500 | 0, |
| 501 | ); |
| 502 | let second = OceanColumn::new( |
| 503 | ramp, |
| 504 | viewport, |
| 505 | 22_500, |
| 506 | None, |
| 507 | ShellPhase::Working, |
| 508 | true, |
| 509 | 1000, |
| 510 | 0, |
| 511 | ); |
| 512 | |
| 513 | assert_eq!(first.ramp_cache_identity(), second.ramp_cache_identity()); |
| 514 | assert_eq!(first.ramp_fingerprint(), second.ramp_fingerprint()); |
| 515 | } |
| 516 | |
| 517 | #[test] |
| 518 | fn split_shell_surfaces_share_one_absolute_row_column() { |
| 519 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 520 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 521 | let viewport = Rect::new(0, 0, 12, 12); |
| 522 | let header = Rect::new(0, 0, 12, 2); |
| 523 | let composer = Rect::new(0, 10, 12, 2); |
| 524 | let mut buf = Buffer::empty(viewport); |
| 525 | for y in header.top()..header.bottom() { |
| 526 | for x in header.left()..header.right() { |
| 527 | buf[(x, y)].set_bg(theme.header_bg); |
| 528 | } |
| 529 | } |
| 530 | for y in composer.top()..composer.bottom() { |
| 531 | for x in composer.left()..composer.right() { |
| 532 | buf[(x, y)].set_bg(theme.composer_bg); |
| 533 | } |
| 534 | } |
| 535 | buf[(4, 10)].set_bg(theme.selection_bg); |
| 536 | |
| 537 | let column = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Idle, false, 0, 0); |
| 538 | column.paint_matching(header, &mut buf, theme.header_bg); |
| 539 | column.paint_matching(composer, &mut buf, theme.composer_bg); |
| 540 | |
| 541 | assert_eq!(buf[(0, 0)].bg, ramp.color_at_context(0, 12, 0)); |
| 542 | assert_eq!(buf[(0, 11)].bg, ramp.color_at_context(11, 12, 0)); |
| 543 | assert_ne!(buf[(0, 1)].bg, buf[(0, 10)].bg); |
| 544 | assert_eq!( |
| 545 | buf[(4, 10)].bg, |
| 546 | theme.selection_bg, |
| 547 | "semantic surfaces must survive the shell Deepsea pass" |
| 548 | ); |
| 549 | } |
| 550 | |
| 551 | #[test] |
| 552 | fn full_viewport_water_column_reaches_both_terminal_edges() { |
| 553 | let theme = codewhale_palette::UNDERWATER_UI_THEME; |
| 554 | let ramp = OceanRamp::for_theme(&theme).expect("underwater ramp"); |
| 555 | let viewport = Rect::new(0, 0, 120, 32); |
| 556 | let mut buf = Buffer::empty(viewport); |
| 557 | for y in viewport.top()..viewport.bottom() { |
| 558 | for x in viewport.left()..viewport.right() { |
| 559 | buf[(x, y)].set_bg(theme.surface_bg); |
| 560 | } |
| 561 | } |
| 562 | buf[(60, 16)].set_bg(theme.selection_bg); |
| 563 | |
| 564 | let column = OceanColumn::new(ramp, viewport, 0, None, ShellPhase::Idle, false, 0, 0); |
| 565 | column.paint_matching(viewport, &mut buf, theme.surface_bg); |
| 566 | |
| 567 | for y in viewport.top()..viewport.bottom() { |
| 568 | let expected = ramp.color_at_context(y, viewport.height, 0); |
| 569 | assert_eq!(buf[(viewport.left(), y)].bg, expected); |
| 570 | assert_eq!(buf[(viewport.right() - 1, y)].bg, expected); |
| 571 | } |
| 572 | assert_eq!( |
| 573 | buf[(60, 16)].bg, |
| 574 | theme.selection_bg, |
| 575 | "semantic surfaces must remain protected inside the full-width water column" |
| 576 | ); |
| 577 | } |
| 578 | |
| 579 | // ---- v0.9.4: life presence eases the animated/static boundary ---- |
| 580 | |
| 581 | #[test] |
| 582 | fn life_presence_is_pure_and_bounded() { |
| 583 | // Same inputs -> same output; presence never leaves 0..=1. |
| 584 | let inputs = [ |
| 585 | (None, None, false, false, false), |
| 586 | (None, None, true, false, false), |
| 587 | (Some(0), Some(0), true, false, false), |
| 588 | (Some(500), Some(10_000), false, false, false), |
| 589 | (Some(2_000), None, true, false, false), |
| 590 | (None, Some(30_000), true, true, false), |
| 591 | ]; |
| 592 | for (completion, turn, animated, browsing, empty) in inputs { |
| 593 | let a = life_presence(completion, turn, animated, browsing, empty); |
| 594 | let b = life_presence(completion, turn, animated, browsing, empty); |
| 595 | assert_eq!(a, b, "life_presence must be a pure function of its inputs"); |
| 596 | assert!( |
| 597 | (0.0..=1.0).contains(&a), |
| 598 | "presence must stay in 0..=1, got {a}" |
| 599 | ); |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | #[test] |
| 604 | fn life_presence_holds_full_through_completion_breath_then_settles() { |
| 605 | // During the breath the water keeps full life so the settle flourish is |
| 606 | // accompanied by swimming fish, then presence eases out. |
| 607 | assert_eq!(life_presence(Some(0), None, false, false, false), 1.0); |
| 608 | assert_eq!( |
| 609 | life_presence(Some(COMPLETION_BREATH_MS - 1), None, false, false, false), |
| 610 | 1.0 |
| 611 | ); |
| 612 | assert_eq!( |
| 613 | life_presence(Some(COMPLETION_BREATH_MS), None, false, false, false), |
| 614 | 1.0, |
| 615 | "presence holds at the breath boundary before easing" |
| 616 | ); |
| 617 | let mid = life_presence( |
| 618 | Some(COMPLETION_BREATH_MS + SETTLE_MS / 2), |
| 619 | None, |
| 620 | false, |
| 621 | false, |
| 622 | false, |
| 623 | ); |
| 624 | assert!( |
| 625 | mid > 0.0 && mid < 1.0, |
| 626 | "presence must be mid-fade during the settle window, got {mid}" |
| 627 | ); |
| 628 | assert_eq!( |
| 629 | life_presence( |
| 630 | Some(COMPLETION_BREATH_MS + SETTLE_MS), |
| 631 | None, |
| 632 | false, |
| 633 | false, |
| 634 | false |
| 635 | ), |
| 636 | 0.0, |
| 637 | "presence reaches zero at the end of the settle window" |
| 638 | ); |
| 639 | } |
| 640 | |
| 641 | #[test] |
| 642 | fn life_presence_ramps_in_from_turn_anchor_with_bounded_velocity() { |
| 643 | // Working/Verifying ramps in over RAMP_MS; the ramp is monotone and |
| 644 | // zero-velocity at both ends (smoothstep), so bursty streams ease in. |
| 645 | let at = |ms: u128| life_presence(None, Some(ms), true, false, false); |
| 646 | assert_eq!(at(0), 0.0); |
| 647 | assert_eq!(at(RAMP_MS / 2), 0.5, "smoothstep midpoint is 0.5"); |
| 648 | assert_eq!(at(RAMP_MS), 1.0); |
| 649 | assert_eq!(at(RAMP_MS * 10), 1.0); |
| 650 | // Monotone non-decreasing across the ramp. |
| 651 | let mut prev = 0.0f32; |
| 652 | for step in 1..=16u128 { |
| 653 | let ms = step * RAMP_MS / 16; |
| 654 | let value = at(ms); |
| 655 | assert!(value >= prev, "presence must not regress while ramping"); |
| 656 | prev = value; |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | #[test] |
| 661 | fn life_presence_user_driven_states_are_immediate() { |
| 662 | // Browsing history and the pristine empty state are deliberate user |
| 663 | // surfaces: full presence with no ramp. |
| 664 | assert_eq!(life_presence(None, Some(0), true, true, false), 1.0); |
| 665 | assert_eq!(life_presence(None, Some(0), true, false, true), 1.0); |
| 666 | // Fully static contexts are exactly zero. |
| 667 | assert_eq!(life_presence(None, None, false, false, false), 0.0); |
| 668 | assert_eq!(life_presence(None, Some(50_000), false, false, false), 0.0); |
| 669 | } |
| 670 |