| 1 | //! Header bar widget displaying mode, workspace/model context, and session status. |
| 2 | |
| 3 | use ratatui::{ |
| 4 | buffer::Buffer, |
| 5 | layout::Rect, |
| 6 | style::{Color, Modifier, Style}, |
| 7 | text::{Line, Span}, |
| 8 | widgets::{Paragraph, Widget}, |
| 9 | }; |
| 10 | use unicode_width::{UnicodeWidthChar, UnicodeWidthStr}; |
| 11 | |
| 12 | use crate::palette; |
| 13 | use crate::tui::app::AppMode; |
| 14 | |
| 15 | use super::Renderable; |
| 16 | |
| 17 | const CONTEXT_WARNING_THRESHOLD_PERCENT: f64 = 85.0; |
| 18 | const CONTEXT_CRITICAL_THRESHOLD_PERCENT: f64 = 95.0; |
| 19 | const CONTEXT_SIGNAL_WIDTH: usize = 4; |
| 20 | |
| 21 | /// Data required to render the header bar. |
| 22 | pub struct HeaderData<'a> { |
| 23 | pub model: &'a str, |
| 24 | pub workspace_name: &'a str, |
| 25 | pub mode: AppMode, |
| 26 | pub is_streaming: bool, |
| 27 | pub background: ratatui::style::Color, |
| 28 | /// Total tokens used in this session (cumulative, for display). |
| 29 | pub total_tokens: u32, |
| 30 | /// Context window size for the model (if known). |
| 31 | pub context_window: Option<u32>, |
| 32 | /// Accumulated session cost in the active display currency. |
| 33 | pub session_cost: f64, |
| 34 | /// Active context input tokens used for context utilization. Callers should |
| 35 | /// pass a sanitized live-context estimate, not cumulative API usage. |
| 36 | pub last_prompt_tokens: Option<u32>, |
| 37 | /// Short label for the current reasoning-effort tier (e.g. "max", "high", |
| 38 | /// "off"). Rendered as a chip when space allows. |
| 39 | pub reasoning_effort_label: Option<&'a str>, |
| 40 | /// Short label for the active provider (e.g. "NIM"). When `None` (the |
| 41 | /// default-DeepSeek case), no provider chip is rendered. Surfaces the |
| 42 | /// fact that requests are going somewhere other than DeepSeek's API so |
| 43 | /// it's visible at a glance after a `/provider nvidia-nim`. |
| 44 | pub provider_label: Option<&'a str>, |
| 45 | } |
| 46 | |
| 47 | impl<'a> HeaderData<'a> { |
| 48 | /// Create header data from common app fields. |
| 49 | #[must_use] |
| 50 | pub fn new( |
| 51 | mode: AppMode, |
| 52 | model: &'a str, |
| 53 | workspace_name: &'a str, |
| 54 | is_streaming: bool, |
| 55 | background: ratatui::style::Color, |
| 56 | ) -> Self { |
| 57 | Self { |
| 58 | model, |
| 59 | workspace_name, |
| 60 | mode, |
| 61 | is_streaming, |
| 62 | background, |
| 63 | total_tokens: 0, |
| 64 | context_window: None, |
| 65 | session_cost: 0.0, |
| 66 | last_prompt_tokens: None, |
| 67 | reasoning_effort_label: None, |
| 68 | provider_label: None, |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | /// Attach a short reasoning-effort label for the header chip. |
| 73 | #[must_use] |
| 74 | pub fn with_reasoning_effort(mut self, label: Option<&'a str>) -> Self { |
| 75 | self.reasoning_effort_label = label; |
| 76 | self |
| 77 | } |
| 78 | |
| 79 | /// Attach a short provider label for the header chip. Pass `None` when on |
| 80 | /// the default DeepSeek provider so the chip is hidden. |
| 81 | #[must_use] |
| 82 | pub fn with_provider(mut self, label: Option<&'a str>) -> Self { |
| 83 | self.provider_label = label; |
| 84 | self |
| 85 | } |
| 86 | |
| 87 | /// Set token/cost fields. |
| 88 | #[must_use] |
| 89 | pub fn with_usage( |
| 90 | mut self, |
| 91 | total_tokens: u32, |
| 92 | context_window: Option<u32>, |
| 93 | session_cost: f64, |
| 94 | active_context_input_tokens: Option<u32>, |
| 95 | ) -> Self { |
| 96 | self.total_tokens = total_tokens; |
| 97 | self.context_window = context_window; |
| 98 | self.session_cost = session_cost; |
| 99 | self.last_prompt_tokens = active_context_input_tokens; |
| 100 | self |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | /// Header bar widget (1 line height). |
| 105 | pub struct HeaderWidget<'a> { |
| 106 | data: HeaderData<'a>, |
| 107 | } |
| 108 | |
| 109 | impl<'a> HeaderWidget<'a> { |
| 110 | #[must_use] |
| 111 | pub fn new(data: HeaderData<'a>) -> Self { |
| 112 | Self { data } |
| 113 | } |
| 114 | |
| 115 | fn mode_color(mode: AppMode) -> Color { |
| 116 | match mode { |
| 117 | AppMode::Agent => palette::MODE_AGENT, |
| 118 | AppMode::Yolo => palette::MODE_YOLO, |
| 119 | AppMode::Plan => palette::MODE_PLAN, |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | fn mode_name(mode: AppMode) -> &'static str { |
| 124 | match mode { |
| 125 | AppMode::Agent => "Agent", |
| 126 | AppMode::Yolo => "Yolo", |
| 127 | AppMode::Plan => "Plan", |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | fn span_width(spans: &[Span<'_>]) -> usize { |
| 132 | spans.iter().map(|span| span.content.width()).sum() |
| 133 | } |
| 134 | |
| 135 | fn truncate_to_width(text: &str, max_width: usize) -> String { |
| 136 | const ELLIPSIS: &str = "..."; |
| 137 | let ellipsis_width = ELLIPSIS.width(); |
| 138 | |
| 139 | if text.width() <= max_width { |
| 140 | return text.to_string(); |
| 141 | } |
| 142 | if max_width == 0 { |
| 143 | return String::new(); |
| 144 | } |
| 145 | if max_width <= ellipsis_width { |
| 146 | return ".".repeat(max_width); |
| 147 | } |
| 148 | |
| 149 | let mut truncated = String::new(); |
| 150 | let mut width = 0; |
| 151 | for ch in text.chars() { |
| 152 | let ch_width = ch.width().unwrap_or(0); |
| 153 | if width + ch_width + ellipsis_width > max_width { |
| 154 | break; |
| 155 | } |
| 156 | truncated.push(ch); |
| 157 | width += ch_width; |
| 158 | } |
| 159 | truncated.push_str(ELLIPSIS); |
| 160 | truncated |
| 161 | } |
| 162 | |
| 163 | fn context_percent(&self) -> Option<f64> { |
| 164 | let used = f64::from(self.data.last_prompt_tokens?); |
| 165 | let max = f64::from(self.data.context_window?); |
| 166 | if max <= 0.0 { |
| 167 | return None; |
| 168 | } |
| 169 | Some((used / max * 100.0).clamp(0.0, 100.0)) |
| 170 | } |
| 171 | |
| 172 | fn context_color(percent: f64) -> Color { |
| 173 | if percent >= CONTEXT_CRITICAL_THRESHOLD_PERCENT { |
| 174 | palette::STATUS_ERROR |
| 175 | } else if percent >= CONTEXT_WARNING_THRESHOLD_PERCENT { |
| 176 | palette::STATUS_WARNING |
| 177 | } else { |
| 178 | palette::DEEPSEEK_SKY |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | fn context_signal_spans(&self, show_percent: bool) -> Vec<Span<'static>> { |
| 183 | let Some(percent) = self.context_percent() else { |
| 184 | return Vec::new(); |
| 185 | }; |
| 186 | |
| 187 | let color = Self::context_color(percent); |
| 188 | let filled = ((percent / 100.0) * CONTEXT_SIGNAL_WIDTH as f64) |
| 189 | .ceil() |
| 190 | .clamp(0.0, CONTEXT_SIGNAL_WIDTH as f64) as usize; |
| 191 | let empty = CONTEXT_SIGNAL_WIDTH.saturating_sub(filled); |
| 192 | |
| 193 | let mut spans = Vec::new(); |
| 194 | if show_percent { |
| 195 | spans.push(Span::styled( |
| 196 | format!("{percent:.0}%"), |
| 197 | Style::default().fg(color), |
| 198 | )); |
| 199 | spans.push(Span::raw(" ")); |
| 200 | } |
| 201 | spans.push(Span::styled("▰".repeat(filled), Style::default().fg(color))); |
| 202 | spans.push(Span::styled( |
| 203 | "▱".repeat(empty), |
| 204 | Style::default().fg(palette::BORDER_COLOR), |
| 205 | )); |
| 206 | spans |
| 207 | } |
| 208 | |
| 209 | fn context_percent_spans(&self) -> Vec<Span<'static>> { |
| 210 | let Some(percent) = self.context_percent() else { |
| 211 | return Vec::new(); |
| 212 | }; |
| 213 | |
| 214 | vec![Span::styled( |
| 215 | format!("{percent:.0}%"), |
| 216 | Style::default().fg(Self::context_color(percent)), |
| 217 | )] |
| 218 | } |
| 219 | |
| 220 | fn provider_chip_spans(&self) -> Vec<Span<'static>> { |
| 221 | let Some(label) = self.data.provider_label else { |
| 222 | return Vec::new(); |
| 223 | }; |
| 224 | let trimmed = label.trim(); |
| 225 | if trimmed.is_empty() { |
| 226 | return Vec::new(); |
| 227 | } |
| 228 | vec![Span::styled( |
| 229 | trimmed.to_string(), |
| 230 | Style::default() |
| 231 | .fg(palette::DEEPSEEK_SKY) |
| 232 | .add_modifier(Modifier::BOLD), |
| 233 | )] |
| 234 | } |
| 235 | |
| 236 | fn effort_chip_spans(&self, include_prefix: bool) -> Vec<Span<'static>> { |
| 237 | let Some(label) = self.data.reasoning_effort_label else { |
| 238 | return Vec::new(); |
| 239 | }; |
| 240 | let trimmed = label.trim(); |
| 241 | if trimmed.is_empty() { |
| 242 | return Vec::new(); |
| 243 | } |
| 244 | let is_off = trimmed.eq_ignore_ascii_case("off"); |
| 245 | let color = if is_off { |
| 246 | palette::TEXT_HINT |
| 247 | } else { |
| 248 | palette::DEEPSEEK_SKY |
| 249 | }; |
| 250 | let body = if !include_prefix { |
| 251 | trimmed.to_string() |
| 252 | } else if trimmed.eq_ignore_ascii_case("max") || trimmed.eq_ignore_ascii_case("maximum") { |
| 253 | format!("\u{1F433} {trimmed}") |
| 254 | } else { |
| 255 | format!("\u{00B7} {trimmed}") |
| 256 | }; |
| 257 | vec![Span::styled(body, Style::default().fg(color))] |
| 258 | } |
| 259 | |
| 260 | fn status_variant( |
| 261 | &self, |
| 262 | show_stream_label: bool, |
| 263 | show_percent: bool, |
| 264 | show_signal: bool, |
| 265 | ) -> Vec<Span<'static>> { |
| 266 | let mut spans = Vec::new(); |
| 267 | |
| 268 | let provider_spans = self.provider_chip_spans(); |
| 269 | let has_provider = !provider_spans.is_empty(); |
| 270 | if has_provider { |
| 271 | spans.extend(provider_spans); |
| 272 | } |
| 273 | |
| 274 | let effort_spans = self.effort_chip_spans(true); |
| 275 | let has_effort = !effort_spans.is_empty(); |
| 276 | if has_effort { |
| 277 | if has_provider { |
| 278 | spans.push(Span::raw(" ")); |
| 279 | } |
| 280 | spans.extend(effort_spans); |
| 281 | } |
| 282 | |
| 283 | if self.data.is_streaming { |
| 284 | if has_effort || has_provider { |
| 285 | spans.push(Span::raw(" ")); |
| 286 | } |
| 287 | spans.push(Span::styled( |
| 288 | "●", |
| 289 | Style::default() |
| 290 | .fg(palette::DEEPSEEK_SKY) |
| 291 | .add_modifier(Modifier::BOLD), |
| 292 | )); |
| 293 | if show_stream_label { |
| 294 | spans.push(Span::raw(" ")); |
| 295 | spans.push(Span::styled( |
| 296 | "Live", |
| 297 | Style::default().fg(palette::TEXT_SOFT), |
| 298 | )); |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | let context_spans = if show_signal { |
| 303 | self.context_signal_spans(show_percent) |
| 304 | } else if show_percent { |
| 305 | self.context_percent_spans() |
| 306 | } else { |
| 307 | Vec::new() |
| 308 | }; |
| 309 | if !context_spans.is_empty() { |
| 310 | if !spans.is_empty() { |
| 311 | spans.push(Span::raw(" ")); |
| 312 | } |
| 313 | spans.extend(context_spans); |
| 314 | } |
| 315 | |
| 316 | spans |
| 317 | } |
| 318 | |
| 319 | fn right_spans(&self, max_width: usize) -> Vec<Span<'static>> { |
| 320 | let candidates = [ |
| 321 | self.status_variant(true, true, true), |
| 322 | self.status_variant(false, true, true), |
| 323 | self.status_variant(false, true, false), |
| 324 | self.status_variant(false, false, true), |
| 325 | ]; |
| 326 | |
| 327 | candidates |
| 328 | .into_iter() |
| 329 | .find(|spans| Self::span_width(spans) <= max_width) |
| 330 | .unwrap_or_default() |
| 331 | } |
| 332 | |
| 333 | fn metadata_spans(&self, max_width: usize) -> Vec<Span<'static>> { |
| 334 | let workspace = self.data.workspace_name.trim(); |
| 335 | let model = self.data.model.trim(); |
| 336 | |
| 337 | if max_width < 4 || (workspace.is_empty() && model.is_empty()) { |
| 338 | return Vec::new(); |
| 339 | } |
| 340 | |
| 341 | if workspace.is_empty() { |
| 342 | return vec![Span::styled( |
| 343 | Self::truncate_to_width(model, max_width), |
| 344 | Style::default().fg(palette::TEXT_HINT), |
| 345 | )]; |
| 346 | } |
| 347 | |
| 348 | if model.is_empty() || max_width < 12 { |
| 349 | return vec![Span::styled( |
| 350 | Self::truncate_to_width(workspace, max_width), |
| 351 | Style::default().fg(palette::TEXT_SECONDARY), |
| 352 | )]; |
| 353 | } |
| 354 | |
| 355 | let separator_width = 3; // " · " |
| 356 | if workspace.width() + separator_width + model.width() <= max_width { |
| 357 | return vec![ |
| 358 | Span::styled( |
| 359 | workspace.to_string(), |
| 360 | Style::default().fg(palette::TEXT_SECONDARY), |
| 361 | ), |
| 362 | Span::styled(" · ", Style::default().fg(palette::TEXT_HINT)), |
| 363 | Span::styled(model.to_string(), Style::default().fg(palette::TEXT_HINT)), |
| 364 | ]; |
| 365 | } |
| 366 | |
| 367 | let content_width = max_width.saturating_sub(separator_width); |
| 368 | if content_width < 9 { |
| 369 | return vec![Span::styled( |
| 370 | Self::truncate_to_width(workspace, max_width), |
| 371 | Style::default().fg(palette::TEXT_SECONDARY), |
| 372 | )]; |
| 373 | } |
| 374 | |
| 375 | let workspace_width = workspace.width(); |
| 376 | let model_width = model.width(); |
| 377 | let total_width = workspace_width + model_width; |
| 378 | let min_workspace = 4; |
| 379 | let min_model = 4; |
| 380 | |
| 381 | let proportional_workspace = |
| 382 | ((content_width as f64 * workspace_width as f64) / total_width as f64).round() as usize; |
| 383 | let workspace_budget = |
| 384 | proportional_workspace.clamp(min_workspace, content_width.saturating_sub(min_model)); |
| 385 | let model_budget = content_width.saturating_sub(workspace_budget); |
| 386 | |
| 387 | vec![ |
| 388 | Span::styled( |
| 389 | Self::truncate_to_width(workspace, workspace_budget), |
| 390 | Style::default().fg(palette::TEXT_SECONDARY), |
| 391 | ), |
| 392 | Span::styled(" · ", Style::default().fg(palette::TEXT_HINT)), |
| 393 | Span::styled( |
| 394 | Self::truncate_to_width(model, model_budget), |
| 395 | Style::default().fg(palette::TEXT_HINT), |
| 396 | ), |
| 397 | ] |
| 398 | } |
| 399 | |
| 400 | fn left_spans(&self, max_width: usize) -> Vec<Span<'static>> { |
| 401 | if max_width == 0 { |
| 402 | return Vec::new(); |
| 403 | } |
| 404 | |
| 405 | let mode_label = Self::mode_name(self.data.mode); |
| 406 | let mode_style = Style::default() |
| 407 | .fg(Self::mode_color(self.data.mode)) |
| 408 | .add_modifier(Modifier::BOLD); |
| 409 | |
| 410 | if max_width < mode_label.width() { |
| 411 | let fallback = self |
| 412 | .data |
| 413 | .mode |
| 414 | .label() |
| 415 | .chars() |
| 416 | .next() |
| 417 | .unwrap_or('?') |
| 418 | .to_string(); |
| 419 | return vec![Span::styled(fallback, mode_style)]; |
| 420 | } |
| 421 | |
| 422 | let mut spans = vec![Span::styled(mode_label.to_string(), mode_style)]; |
| 423 | let metadata_width = max_width |
| 424 | .saturating_sub(mode_label.width()) |
| 425 | .saturating_sub(2); |
| 426 | let metadata = if metadata_width >= 4 { |
| 427 | self.metadata_spans(metadata_width) |
| 428 | } else { |
| 429 | Vec::new() |
| 430 | }; |
| 431 | |
| 432 | if !metadata.is_empty() { |
| 433 | spans.push(Span::raw(" ")); |
| 434 | spans.extend(metadata); |
| 435 | } |
| 436 | |
| 437 | spans |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | impl Renderable for HeaderWidget<'_> { |
| 442 | fn render(&self, area: Rect, buf: &mut Buffer) { |
| 443 | if area.height == 0 || area.width == 0 { |
| 444 | return; |
| 445 | } |
| 446 | |
| 447 | let available = area.width as usize; |
| 448 | let right_budget = available.saturating_sub(6); |
| 449 | let right_spans = self.right_spans(right_budget); |
| 450 | let right_width = Self::span_width(&right_spans); |
| 451 | let spacer_min = usize::from(right_width > 0); |
| 452 | let left_budget = available.saturating_sub(right_width + spacer_min); |
| 453 | let left_spans = self.left_spans(left_budget); |
| 454 | let left_width = Self::span_width(&left_spans); |
| 455 | let spacer_width = available.saturating_sub(left_width + right_width); |
| 456 | |
| 457 | let mut spans = left_spans; |
| 458 | if spacer_width > 0 { |
| 459 | spans.push(Span::raw(" ".repeat(spacer_width))); |
| 460 | } |
| 461 | spans.extend(right_spans); |
| 462 | |
| 463 | let line = Line::from(spans); |
| 464 | let paragraph = Paragraph::new(line).style(Style::default().bg(self.data.background)); |
| 465 | paragraph.render(area, buf); |
| 466 | } |
| 467 | |
| 468 | fn desired_height(&self, _width: u16) -> u16 { |
| 469 | 1 |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | #[cfg(test)] |
| 474 | mod tests { |
| 475 | use super::{HeaderData, HeaderWidget, Renderable}; |
| 476 | use crate::palette; |
| 477 | use crate::tui::app::AppMode; |
| 478 | use ratatui::{buffer::Buffer, layout::Rect}; |
| 479 | |
| 480 | fn render_header(data: HeaderData<'_>, width: u16) -> String { |
| 481 | let widget = HeaderWidget::new(data); |
| 482 | let area = Rect::new(0, 0, width, 1); |
| 483 | let mut buf = Buffer::empty(area); |
| 484 | widget.render(area, &mut buf); |
| 485 | |
| 486 | (0..width).map(|x| buf[(x, 0)].symbol()).collect::<String>() |
| 487 | } |
| 488 | |
| 489 | #[test] |
| 490 | fn wide_header_shows_plain_mode_and_single_metadata_cluster() { |
| 491 | let rendered = render_header( |
| 492 | HeaderData::new( |
| 493 | AppMode::Agent, |
| 494 | "deepseek-v4-pro", |
| 495 | "deepseek-tui", |
| 496 | false, |
| 497 | palette::DEEPSEEK_INK, |
| 498 | ), |
| 499 | 72, |
| 500 | ); |
| 501 | |
| 502 | assert!(rendered.contains("Agent")); |
| 503 | assert!(rendered.contains("deepseek-tui")); |
| 504 | assert!(rendered.contains("deepseek-v4-pro")); |
| 505 | assert!(!rendered.contains("Plan")); |
| 506 | assert!(!rendered.contains("Yolo")); |
| 507 | } |
| 508 | |
| 509 | #[test] |
| 510 | fn streaming_header_integrates_live_state_with_context_signal() { |
| 511 | let rendered = render_header( |
| 512 | HeaderData::new( |
| 513 | AppMode::Plan, |
| 514 | "deepseek-v4-pro", |
| 515 | "workspace", |
| 516 | true, |
| 517 | palette::DEEPSEEK_INK, |
| 518 | ) |
| 519 | .with_usage(42_000, Some(128_000), 0.0, Some(48_000)), |
| 520 | 72, |
| 521 | ); |
| 522 | |
| 523 | assert!(rendered.contains("Live")); |
| 524 | assert!(rendered.contains("38%")); |
| 525 | assert!(rendered.contains("▰")); |
| 526 | } |
| 527 | |
| 528 | #[test] |
| 529 | fn narrow_header_keeps_context_percent_visible() { |
| 530 | let rendered = render_header( |
| 531 | HeaderData::new(AppMode::Agent, "", "", true, palette::DEEPSEEK_INK).with_usage( |
| 532 | 0, |
| 533 | Some(128_000), |
| 534 | 0.0, |
| 535 | Some(48_000), |
| 536 | ), |
| 537 | 14, |
| 538 | ); |
| 539 | |
| 540 | assert!(rendered.contains('%')); |
| 541 | } |
| 542 | |
| 543 | #[test] |
| 544 | fn narrow_header_falls_back_to_mode_without_rendering_all_modes() { |
| 545 | let rendered = render_header( |
| 546 | HeaderData::new( |
| 547 | AppMode::Yolo, |
| 548 | "deepseek-v4-flash", |
| 549 | "repo", |
| 550 | true, |
| 551 | palette::DEEPSEEK_INK, |
| 552 | ) |
| 553 | .with_usage(1_000, Some(10_000), 0.0, Some(4_000)), |
| 554 | 8, |
| 555 | ); |
| 556 | |
| 557 | assert!(rendered.trim_start().starts_with('Y')); |
| 558 | assert!(!rendered.contains("Plan")); |
| 559 | assert!(!rendered.contains("Agent")); |
| 560 | } |
| 561 | |
| 562 | #[test] |
| 563 | fn header_hides_context_signal_when_usage_snapshot_is_missing() { |
| 564 | let rendered = render_header( |
| 565 | HeaderData::new( |
| 566 | AppMode::Agent, |
| 567 | "deepseek-v4-flash", |
| 568 | "repo", |
| 569 | false, |
| 570 | palette::DEEPSEEK_INK, |
| 571 | ), |
| 572 | 48, |
| 573 | ); |
| 574 | |
| 575 | assert!(!rendered.contains('%')); |
| 576 | assert!(!rendered.contains("▰")); |
| 577 | } |
| 578 | |
| 579 | #[test] |
| 580 | fn header_caps_context_signal_at_hundred_percent() { |
| 581 | let rendered = render_header( |
| 582 | HeaderData::new( |
| 583 | AppMode::Agent, |
| 584 | "deepseek-v4-flash", |
| 585 | "repo", |
| 586 | false, |
| 587 | palette::DEEPSEEK_INK, |
| 588 | ) |
| 589 | .with_usage(1_000, Some(128_000), 0.0, Some(320_000)), |
| 590 | 48, |
| 591 | ); |
| 592 | |
| 593 | assert!(rendered.contains("100%")); |
| 594 | assert!(!rendered.contains("250%")); |
| 595 | } |
| 596 | |
| 597 | #[test] |
| 598 | fn header_shows_provider_chip_when_set() { |
| 599 | let rendered = render_header( |
| 600 | HeaderData::new( |
| 601 | AppMode::Agent, |
| 602 | "deepseek-ai/deepseek-v4-flash", |
| 603 | "deepseek-tui", |
| 604 | false, |
| 605 | palette::DEEPSEEK_INK, |
| 606 | ) |
| 607 | .with_provider(Some("NIM")), |
| 608 | 72, |
| 609 | ); |
| 610 | assert!( |
| 611 | rendered.contains("NIM"), |
| 612 | "expected NIM chip in header, got: {rendered}" |
| 613 | ); |
| 614 | } |
| 615 | |
| 616 | #[test] |
| 617 | fn header_hides_provider_chip_when_default_deepseek() { |
| 618 | let rendered = render_header( |
| 619 | HeaderData::new( |
| 620 | AppMode::Agent, |
| 621 | "deepseek-v4-pro", |
| 622 | "deepseek-tui", |
| 623 | false, |
| 624 | palette::DEEPSEEK_INK, |
| 625 | ), |
| 626 | 72, |
| 627 | ); |
| 628 | // Sanity: no `NIM` text leaks in when provider is None. |
| 629 | assert!(!rendered.contains("NIM")); |
| 630 | } |
| 631 | } |
| 632 |