1module view23import src.events4import src.fmt5import src.history6import src.snapshot7import src.storage89fn save(id string, message string, checkpoint bool) history.Save {10 return history.Save{11 id: id12 message: message13 created_at: 179000000014 size_bytes: 102415 is_checkpoint: checkpoint16 }17}1819fn line_map(ids []string) map[string]bool {20 mut out := map[string]bool{}21 for id in ids {22 out[id] = true23 }24 return out25}2627fn plain(lines []string) []string {28 return lines.map(fmt.strip_ansi(it))29}303132fn never_act(_ &storage.Store, action Action) string {33 panic('an action ran without the strict confirm: ${action.kind}')34}3536fn list_session(items []history.Save) Session {37 return Session{38 screen: Screen{39 tab: .all40 items: items41 on_line: line_map(items.map(it.id))42 rows: 3043 cols: 8044 }45 }46}4748fn test_tabs_filter_by_what_is_on_the_line() {49 50 51 on_the_line := line_map(['aaa', 'ccc', 'ddd'])52 mut copy := save('ddd', 'my work, replayed', false)53 copy.replayed_from = 'bbb'54 items := [save('aaa', 'first', false), save('bbb', 'my work', false),55 save('ccc', 'before things', true), copy]5657 assert filter_saves(items, .all, on_the_line, '').len == 458 59 60 assert filter_saves(items, .saves, on_the_line, '').map(it.id) == ['aaa', 'ccc', 'ddd']61 assert filter_saves(items, .checkpoints, on_the_line, '').map(it.id) == ['ccc']62}6364fn test_search_is_case_insensitive_across_the_fields() {65 on_the_line := line_map(['aaa', 'bbb', 'ccc'])66 mut with_agent := save('bbb', 'fix chunk boundary', false)67 with_agent.agent = 'DeepSeek/Flash'68 mut with_session := save('ccc', 'other work', false)69 with_session.session = 'phase one'70 items := [save('aaa', 'add storage', false), with_agent, with_session]7172 assert filter_saves(items, .all, on_the_line, 'STORAGE').map(it.id) == ['aaa']73 assert filter_saves(items, .all, on_the_line, 'chunk').map(it.id) == ['bbb']74 assert filter_saves(items, .all, on_the_line, 'deepseek').map(it.id) == ['bbb']75 assert filter_saves(items, .all, on_the_line, 'PHASE').map(it.id) == ['ccc']76 assert filter_saves(items, .all, on_the_line, 'nothing here').len == 077}7879fn test_move_selection_clamps_at_both_ends() {80 assert move_selection(0, 1, 3) == 181 assert move_selection(2, 1, 3) == 282 assert move_selection(0, -1, 3) == 083 assert move_selection(0, 0, 0) == 084 assert move_selection(5, 1, 0) == 085 assert move_selection(3, -1, 3) == 286}8788899091fn test_frame_fills_the_screen_and_never_wraps() {92 mut items := []history.Save{}93 for i in 0 .. 20 {94 items << save('id${i:09}', 'a very long message '.repeat(12), i % 3 == 0)95 }96 for tab in [Tab.all, .saves, .checkpoints] {97 mut session := list_session(items)98 session.screen.tab = tab99 session.screen.cols = 60100 session.screen.selected = 7101 lines := frame_lines(session)102 assert lines.len == 30103 for line in lines {104 assert fmt.visible_width(line) <= 60105 }106 assert plain(lines)[0].contains('checkpoints')107 }108 frame := render(frame_lines(list_session(items)))109 assert frame.starts_with('\x1b[H')110 assert frame.count('\x1b[2K') == 30111 112 assert !frame.ends_with('\n')113}114115fn test_head_has_its_own_mark_and_every_other_save_a_dot() {116 items := [save('aaa', 'newest', false), save('bbb', 'a checkpoint', true),117 save('ccc', 'older', false)]118 mut session := list_session(items)119 session.screen.head = 'aaa'120 session.screen.selected = 2121 text := plain(frame_lines(session)).join('\n')122 assert text.contains('▸ aaa HEAD')123 assert text.contains('· bbb')124 assert text.contains('· ccc')125 assert !text.contains('◐')126}127128fn test_the_selected_save_adds_size_agent_and_session() {129 mut first := save('aaa', 'first', false)130 first.agent = 'claude-opus-5-5'131 first.session = 'history view'132 mut session := list_session([first, save('bbb', 'second', false)])133 text := plain(frame_lines(session)).join('\n')134 assert text.contains('1.0 KiB · claude-opus-5-5 · history view')135 session.screen.selected = 1136 unselected := plain(frame_lines(session)).join('\n')137 assert !unselected.contains('claude-opus-5-5')138 assert unselected.contains('unknown · no session')139}140141fn test_flagged_and_replayed_away_saves_are_marked() {142 mut session := list_session([save('aaa', 'risky', false), save('bbb', 'my work', false)])143 session.screen.flags['aaa'] = events.Flag{144 save_id: 'aaa'145 flagged: true146 }147 session.screen.on_line = line_map(['aaa'])148 text := plain(frame_lines(session)).join('\n')149 assert text.contains('⚠ risky')150 assert text.contains('[flagged]')151 assert text.contains('bbb [replayed away]')152}153154fn test_typing_searches_only_after_a_slash() {155 mut session := list_session([save('aaa', 'first', false)])156 assert !handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'x' }, never_act)157 assert session.mode == .list158 assert session.screen.query == ''159 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: '/' }, never_act)160 assert session.mode == .search161 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'x' }, never_act)162 assert session.screen.query == 'x'163}164165fn test_q_quits_from_the_list_and_while_searching() {166 mut session := list_session([save('aaa', 'first', false)])167 assert handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'q' }, never_act)168 session.mode = .search169 assert handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'q' }, never_act)170}171172fn test_the_search_bar_shows_whether_it_is_being_typed() {173 mut session := list_session([save('aaa', 'first', false)])174 for key in ['/', 'f', 'i'] {175 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: key }, never_act)176 }177 typing := plain(frame_lines(session))178 assert typing[0].contains('/fi_')179 assert typing.last().contains('type to filter · enter keep · esc clear')180 handle_key(mut session, unsafe { nil }, Key{ kind: .enter }, never_act)181 kept := plain(frame_lines(session))182 assert kept[0].contains('/fi') && !kept[0].contains('/fi_')183 assert kept.last().contains('/ search · tab mode')184 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: '/' }, never_act)185 handle_key(mut session, unsafe { nil }, Key{ kind: .escape }, never_act)186 assert session.screen.query == ''187}188189fn test_g_goes_to_the_oldest_and_shift_g_to_the_newest() {190 mut session := list_session([save('aaa', 'new', false), save('bbb', 'mid', false),191 save('ccc', 'old', false)])192 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'g' }, never_act)193 assert session.screen.selected == 2194 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'G' }, never_act)195 assert session.screen.selected == 0196}197198fn test_tab_cycles_the_tabs_and_starts_at_the_top() {199 mut session := list_session([save('aaa', 'new', false), save('bbb', 'old', false)])200 session.screen.selected = 1201 handle_key(mut session, unsafe { nil }, Key{ kind: .tab }, never_act)202 assert session.screen.tab == .saves203 assert session.screen.selected == 0204 handle_key(mut session, unsafe { nil }, Key{ kind: .tab }, never_act)205 handle_key(mut session, unsafe { nil }, Key{ kind: .tab }, never_act)206 assert session.screen.tab == .all207}208209fn test_flagging_asks_the_strict_confirm_before_anything_happens() {210 mut session := list_session([save('aaa', 'risky', false)])211 handle_key(mut session, unsafe { nil }, Key{ kind: .enter }, never_act)212 assert session.mode == .detail213 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'f' }, never_act)214 assert session.mode == .reason215 216 for key in ['q', 'u', 'i', 'c', 'k'] {217 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: key }, never_act)218 }219 handle_key(mut session, unsafe { nil }, Key{ kind: .enter }, never_act)220 assert session.mode == .confirm221 assert session.pending.kind == .flag222 assert session.pending.reason == 'quick'223 assert plain(frame_lines(session)).last().contains('flag [aaa]? y yes · n/esc cancel')224 225 handle_key(mut session, unsafe { nil }, Key{ kind: .rune, text: 'Y' }, never_act)226 assert session.mode == .list227 assert session.pending.kind == .none228}229230fn test_detail_lists_files_with_stats_and_notes_binaries() {231 mut target := save('aaa', 'change two files', false)232 target.parent = 'ppp'233 flag := events.Flag{234 save_id: 'aaa'235 flagged: true236 reason: 'sketchy'237 }238 deltas := [239 snapshot.Delta{240 path: 'src/main.v'241 kind: 'modified'242 added: 4243 removed: 2244 },245 snapshot.Delta{246 path: 'logo.png'247 kind: 'added'248 binary: true249 },250 ]251 text := plain(detail_lines(target, '', deltas, flag)).join('\n')252 assert text.contains('checksum aaa')253 assert text.contains('flag sketchy')254 assert text.contains('M src/main.v +4 -2')255 assert text.contains('A logo.png (binary)')256 assert text.contains('2 files changed')257}258259fn test_detail_of_the_first_save_says_there_is_no_parent() {260 text := plain(detail_lines(save('aaa', 'first save', false), '', [], events.Flag{261 save_id: 'aaa'262 })).join('\n')263 assert text.contains('initial save — no parent to diff against')264}265266fn test_detail_fits_the_frame_too() {267 mut session := list_session([save('aaa', 'x'.repeat(300), false)])268 session.mode = .detail269 session.target = session.screen.items[0]270 session.detail = detail_lines(session.target, '', [], events.Flag{})271 lines := frame_lines(session)272 assert lines.len == 30273 for line in lines {274 assert fmt.visible_width(line) <= 80275 }276}277278fn test_an_action_result_shows_even_on_a_narrow_screen() {279 mut session := list_session([save('aaa', 'first', false)])280 session.screen.cols = 50281 session.screen.status = 'flagged [70c78decf279]'282 last := plain(frame_lines(session)).last()283 assert last.ends_with('flagged [70c78decf279]')284 assert fmt.visible_width(last) <= 50285}