Repository navigation
Expand file tree
/
Copy pathtest_colors.lua
More file actions
2426 lines (1997 loc) · 87.9 KB
/
Copy pathtest_colors.lua
File metadata and controls
2426 lines (1997 loc) · 87.9 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
8000
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
local helpers = dofile('tests/helpers.lua')
local child = helpers.new_child_neovim()
local expect, eq, eq_approx = helpers.expect, helpers.expect.equality, helpers.expect.equality_approx
local new_set = MiniTest.new_set
local dir_path = vim.fn.fnamemodify('tests/dir-colors/', ':p')
local colors_path = dir_path .. '/colors/'
-- Helpers with child processes
local load_module = function(config) child.mini_load('colors', config) end
local unload_module = function(config) child.mini_unload('colors', config) end
local type_keys = function(...) return child.type_keys(...) end
local sleep = function(ms) helpers.sleep(ms, child) end
-- Mock test color scheme
local mock_cs = function() child.cmd('set rtp+=' .. dir_path .. 'mock_cs/') end
-- Time constants
local default_transition_duration, default_show_duration = 1000, 1000
local default_transition_steps = 25
local small_transition_time = 0.5 * (default_transition_duration / default_transition_steps)
local small_time = helpers.get_time_const(10)
-- Output test set ============================================================
local T = new_set({
hooks = {
pre_case = function()
child.setup()
load_module()
end,
post_once = child.stop,
},
n_retry = helpers.get_n_retry(2),
})
-- Unit tests =================================================================
T['setup()'] = new_set()
T['setup()']['creates side effects'] = function()
-- Global variable
eq(child.lua_get('type(_G.MiniColors)'), 'table')
-- `Colorscheme` command
eq(child.fn.exists(':Colorscheme'), 2)
end
T['setup()']['creates `config` field'] = function() eq(child.lua_get('type(_G.MiniColors.config)'), 'table') end
T['as_colorscheme()'] = new_set()
T['as_colorscheme()']['works'] = function()
child.lua([[_G.cs_data = {
name = 'my_test_cs',
groups = { Normal = { fg = '#ffffff', bg = '#000000' } },
terminal = { [0] = '#111111' }
}]])
child.lua('_G.cs = MiniColors.as_colorscheme(_G.cs_data)')
-- Fields
local validate_field = function(field, value) eq(child.lua_get('_G.cs.' .. field), value) end
validate_field('name', 'my_test_cs')
validate_field('groups.Normal', { fg = '#ffffff', bg = '#000000' })
validate_field('terminal[0]', '#111111')
-- Methods
local validate_method = function(method)
local lua_cmd = string.format('type(_G.cs.%s)', method)
eq(child.lua_get(lua_cmd), 'function')
end
validate_method('apply')
validate_method('add_cterm_attributes')
validate_method('add_terminal_colors')
validate_method('add_transparency')
validate_method('chan_add')
validate_method('chan_invert')
validate_method('chan_modify')
validate_method('chan_multiply')
validate_method('chan_repel')
validate_method('chan_set')
validate_method('color_modify')
validate_method('compress')
validate_method('get_palette')
validate_method('resolve_links')
validate_method('simulate_cvd')
validate_method('write')
-- Should not modify input table
eq(child.lua_get('type(_G.cs_data.apply)'), 'nil')
-- Should not require any input data
expect.no_error(function() child.lua('MiniColors.as_colorscheme({})') end)
end
T['as_colorscheme()']['validates arguments'] = function()
expect.error(function() child.lua('MiniColors.as_colorscheme(1)') end, '%(mini%.colors%).*table')
expect.error(
function() child.lua('MiniColors.as_colorscheme({groups = 1})') end,
'%(mini%.colors%).*groups.*table or nil'
)
expect.error(
function() child.lua('MiniColors.as_colorscheme({groups = { 1 }})') end,
'%(mini%.colors%).*All elements.*groups.*tables'
)
expect.error(
function() child.lua('MiniColors.as_colorscheme({terminal = 1})') end,
'%(mini%.colors%).*terminal.*table or nil'
)
expect.error(
function() child.lua('MiniColors.as_colorscheme({terminal = { 1 }})') end,
'%(mini%.colors%).*All elements.*terminal.*strings'
)
end
T['as_colorscheme()']['ensures independence of groups'] = function()
child.lua([[_G.hl_group = { fg = '#012345' }]])
child.lua([[_G.cs = MiniColors.as_colorscheme({ groups = { Normal = hl_group, NormalNC = hl_group }})]])
eq(child.lua_get('_G.cs.groups.Normal == _G.cs.groups.NormalNC'), false)
end
T['as_colorscheme() methods'] = new_set()
T['as_colorscheme() methods']['add_cterm_attributes()'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#5f87af', bg = '#080808' },
TestForce = { fg = '#5f87af', ctermfg = 0 },
TestApprox = { fg = '#5f87aa' },
TestNormalCterm = { ctermfg = 67, ctermbg = 232 },
TestSpecial = { sp = '#00ff00', underline = true },
}
})]])
-- Default
eq(child.lua_get('_G.cs:add_cterm_attributes().groups'), {
-- Updates both `guifg` and `guibg`. Works with chromatics and grays.
Normal = { fg = '#5f87af', ctermfg = 67, bg = '#080808', ctermbg = 232 },
-- Updates already present `cterm` (`force = true` by default)
TestForce = { fg = '#5f87af', ctermfg = 67 },
-- Should be able to approximate
TestApprox = { fg = '#5f87aa', ctermfg = 67 },
-- Doesn't change `cterm` if no corresponding `gui`
TestNormalCterm = { ctermbg = 232, ctermfg = 67 },
-- Doesn't touch `sp`
TestSpecial = { sp = '#00ff00', underline = true },
})
-- - Should return copy without modifying original
eq(child.lua_get('_G.cs.groups.Normal.ctermfg'), vim.NIL)
-- With `force = false`
eq(child.lua_get('_G.cs:add_cterm_attributes({ force = false }).groups.TestForce'), { fg = '#5f87af', ctermfg = 0 })
end
T['as_colorscheme() methods']['add_terminal_colors()'] = new_set()
T['as_colorscheme() methods']['add_terminal_colors()']['works'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
Test1 = { fg = '#ffaea0', bg = '#e0c479' },
Test2 = { fg = '#97d9a4', bg = '#70d9eb' },
Test3 = { fg = '#aec4ff', sp = '#ecafe6' },
}
})]])
eq(
child.lua_get([[vim.deep_equal(_G.cs:add_terminal_colors().terminal, {
[0] = '#2e2e2e', [8] = '#2e2e2e',
[1] = '#ffaea0', [9] = '#ffaea0',
[2] = '#97d9a4', [10] = '#97d9a4',
[3] = '#e0c479', [11] = '#e0c479',
[4] = '#aec4ff', [12] = '#aec4ff',
[5] = '#ecafe6', [13] = '#ecafe6',
[6] = '#70d9eb', [14] = '#70d9eb',
[7] = '#c7c7c7', [15] = '#c7c7c7',
})]]),
true
)
end
T['as_colorscheme() methods']['add_terminal_colors()']['uses present terminal colors'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
},
terminal = {
[0] = '#ffaea0', [8] = '#97d9a4',
[1] = '#2e2e2e', [9] = '#e0c479',
[2] = '#e0c479', [10] = '#2e2e2e',
[3] = '#97d9a4', [11] = '#ffaea0',
[4] = '#ecafe6', [12] = '#70d9eb',
[5] = '#aec4ff', [13] = '#c7c7c7',
[6] = '#c7c7c7', [14] = '#aec4ff',
[7] = '#70d9eb', [15] = '#ecafe6',
}
})]])
eq(
child.lua_get([[vim.deep_equal(_G.cs:add_terminal_colors().terminal, {
[0] = '#2e2e2e', [8] = '#2e2e2e',
[1] = '#ffaea0', [9] = '#ffaea0',
[2] = '#97d9a4', [10] = '#97d9a4',
[3] = '#e0c479', [11] = '#e0c479',
[4] = '#aec4ff', [12] = '#aec4ff',
[5] = '#ecafe6', [13] = '#ecafe6',
[6] = '#70d9eb', [14] = '#70d9eb',
[7] = '#c7c7c7', [15] = '#c7c7c7',
})]]),
true
)
end
T['as_colorscheme() methods']['add_terminal_colors()']['properly approximates'] = function()
local validate_red = function(hex) eq(child.lua_get('_G.cs:add_terminal_colors().terminal[1]'), hex) end
-- Picks proper red if it exists in palette
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
-- Reference lightness should be taken from `Normal.fg` (80 in this case)
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
-- Proper red with `l = 80, h = 30`
Test = { fg = '#ffaea0' },
-- Different lightness
TestDiffL = { fg = '#f2a193', bg = '#ffbfb2' },
-- Different hue
TestDiffH = { fg = '#ffada6', bg = '#ffaf9b' },
}
})]])
validate_red('#ffaea0')
-- Properly picks closest lightness in absence of perfect hue
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
-- All have hue 40, but lightness 70, 79, 90
TestDiffL = { fg = '#e2967b', bg = '#f1a388', sp = '#ffd7c6' },
}
})]])
validate_red('#f1a388')
-- Properly picks closest hue in absence of perfect lightness
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
-- All have lightness 80, but hue 20, 29, 40
TestDiffH = { fg = '#ffadac', bg = '#ffaea1', sp = '#ffb195' },
}
})]])
validate_red('#ffaea1')
-- Doesn't take chroma into account
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
-- The `fg` has correct lightness and hue but chroma is only 1
-- The `bg` has more vivid colors, but lightness is 74
-- So, `fg` should be picked as correct one
Test = { fg = '#cdc4c3', bg = '#fe9584' },
}
})]])
validate_red('#cdc4c3')
end
T['as_colorscheme() methods']['add_terminal_colors()']['respects `opts.force`'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
Test = { fg = '#ffaea0' },
},
terminal = { [1] = '#012345' }
})]])
eq(child.lua_get('_G.cs:add_terminal_colors({ force = false }).terminal[1]'), '#012345')
end
T['as_colorscheme() methods']['add_terminal_colors()']['respects `opts.palette_args`'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Normal = { fg = '#c7c7c7', bg = '#2e2e2e' },
Test = { fg = '#012345', bg = '#012345', sp = '#012345' },
-- Although this `fg` is a perfect match, it won't be used due to not
-- being frequent enough
Test2 = { fg = '#ffaea0', bg = '#012345' }
}
})]])
eq(child.lua_get('_G.cs:add_terminal_colors({ palette_args = { threshold = 0.5 } }).terminal[1]'), '#012345')
end
T['as_colorscheme() methods']['add_terminal_colors()']['handles not proper `Normal` highlight group'] = function()
-- Absent (should fall back on lightness depending on background)
child.cmd('hi clear Normal')
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
-- The `fg` has fallback lightness for light background, `bg` - for dark
Test = { fg = '#470301', bg = '#ffbfb2' },
}
})]])
child.o.background = 'dark'
eq(child.lua_get('_G.cs:add_terminal_colors().terminal[1]'), '#ffbfb2')
child.o.background = 'light'
eq(child.lua_get('_G.cs:add_terminal_colors().terminal[1]'), '#470301')
-- Linked
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
NormalLink = { fg = '#c7c7c7', bg = '#2e2e2e' },
Normal = { link = 'NormalLink' },
-- The `fg` has perfect fit while `bg` uses fallback lightness
Test = { fg = '#ffaea0', bg = '#ffbfb2' },
}
})]])
eq(child.lua_get('_G.cs:add_terminal_colors().terminal[1]'), '#ffaea0')
end
T['as_colorscheme() methods']['add_transparency()'] = new_set()
T['as_colorscheme() methods']['add_transparency()']['works'] = function()
child.lua([[_G.hl_group = { fg = '#aaaaaa', ctermfg = 255, bg = '#111111', ctermbg = 232, }]])
local hl_group = child.lua_get('_G.hl_group')
local hl_transparent = { fg = '#aaaaaa', ctermfg = 255, blend = 0 }
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
-- General (should be made transparent)
Normal = hl_group,
NormalNC = { bg = '#111111' },
EndOfBuffer = { ctermbg = 232 },
MsgArea = { blend = 50 },
ErrorMsg = { bg = '#000000' },
MsgSeparator = hl_group,
VertSplit = hl_group,
WinSeparator = hl_group,
-- Other (should be left as is)
NormalFloat = hl_group,
SignColumn = hl_group,
StatusLine = hl_group,
TabLine = hl_group,
WinBar = hl_group,
}
})]])
child.lua('_G.cs_trans = _G.cs:add_transparency()')
eq(child.lua_get('_G.cs_trans.groups'), {
Normal = hl_transparent,
NormalNC = { blend = 0 },
EndOfBuffer = { blend = 0 },
MsgArea = { blend = 0 },
ErrorMsg = { blend = 0 },
MsgSeparator = hl_transparent,
VertSplit = hl_transparent,
WinSeparator = hl_transparent,
NormalFloat = hl_group,
SignColumn = hl_group,
StatusLine = hl_group,
TabLine = hl_group,
WinBar = hl_group,
})
-- Should return copy without modifying original
eq(child.lua_get('_G.cs.groups.Normal.bg'), '#111111')
end
T['as_colorscheme() methods']['add_transparency()']['works with not all groups present'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({ groups = { Normal = { bg = '#012345' } } })]])
eq(child.lua_get('_G.cs:add_transparency().groups'), { Normal = { blend = 0 } })
end
T['as_colorscheme() methods']['add_transparency()']['respects `opts`'] = function()
child.lua([[_G.hl_group = { fg = '#aaaaaa', ctermfg = 255, bg = '#111111', ctermbg = 232, }]])
local hl_group = child.lua_get('_G.hl_group')
local hl_transparent = { fg = '#aaaaaa', ctermfg = 255, blend = 0 }
local validate_groups_become_transparent = function(opts, groups)
-- Create colorscheme object
local group_fields = vim.tbl_map(function(x) return x .. ' = hl_group' end, groups)
local lua_cmd =
string.format('_G.cs = MiniColors.as_colorscheme({ groups = { %s } })', table.concat(group_fields, ', '))
child.lua(lua_cmd)
-- Validate
local ref_groups = {}
for _, gr in ipairs(groups) do
ref_groups[gr] = hl_transparent
end
local lua_get_cmd = string.format('_G.cs:add_transparency(%s).groups', vim.inspect(opts))
eq(child.lua_get(lua_get_cmd), ref_groups)
end
-- opts.general
child.lua([[_G.cs = MiniColors.as_colorscheme({ groups = { Normal = hl_group } })]])
eq(child.lua_get('_G.cs:add_transparency({ general = false }).groups.Normal'), hl_group)
-- Other
validate_groups_become_transparent({ float = true }, { 'FloatBorder', 'FloatTitle', 'NormalFloat' })
--stylua: ignore
validate_groups_become_transparent(
{ statuscolumn = true },
{
'FoldColumn', 'LineNr', 'LineNrAbove', 'LineNrBelow', 'SignColumn',
'DiagnosticSignError', 'DiagnosticSignWarn', 'DiagnosticSignInfo', 'DiagnosticSignHint', 'DiagnosticSignOk',
}
)
validate_groups_become_transparent(
{ statusline = true },
{ 'StatusLine', 'StatusLineNC', 'StatusLineTerm', 'StatusLineTermNC' }
)
validate_groups_become_transparent({ tabline = true }, { 'TabLine', 'TabLineFill', 'TabLineSel' })
validate_groups_become_transparent({ winbar = true }, { 'WinBar', 'WinBarNC' })
end
T['as_colorscheme() methods']['add_transparency()']['respects sign highlight groups'] = function()
child.fn.sign_define('Sign1', { texthl = 'Texthl', numhl = 'Numhl' })
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = {
Texthl = { bg = '#111111' },
Numhl = { bg = '#111111' },
}
})]])
eq(child.lua_get('_G.cs:add_transparency({ statuscolumn = true }).groups'), {
Texthl = { blend = 0 },
Numhl = { blend = 0 },
})
eq(child.lua_get('_G.cs:add_transparency().groups'), {
Texthl = { bg = '#111111' },
Numhl = { bg = '#111111' },
})
end
T['as_colorscheme() methods']['apply()'] = new_set()
T['as_colorscheme() methods']['apply()']['works'] = function()
-- Define current color scheme data
child.g.colors_name = 'prior_cs'
child.api.nvim_set_hl(0, 'Normal', { fg = '#aaaaaa', bg = '#111111' })
child.api.nvim_set_hl(0, 'TestPartial', { fg = '#aaaaaa', bg = '#111111' })
child.api.nvim_set_hl(0, 'TestSingle', { fg = '#aaaaaa' })
child.g.terminal_color_1 = '#aa0000'
-- Create and apply some color scheme
child.lua([[_G.cs = MiniColors.as_colorscheme({
name = 'new_cs',
groups = {
Normal = { fg = '#ffffff', bg = '#000000' },
TestPartial = { fg = '#ffffff' },
TestNew = { bg = '#000000' }
},
terminal = { [0] = '#000000' }
})]])
child.lua('_G.cs:apply()')
-- Validate
eq(child.g.colors_name, 'new_cs')
expect.match(child.cmd_capture('hi Normal'), 'guifg=#ffffff%s+guibg=#000000')
-- - Should override completely without inheriting `bg`
expect.match(child.cmd_capture('hi TestPartial'), 'guifg=#ffffff$')
-- - Should clear all highlight groups by default
expect.match(child.cmd_capture('hi TestSingle'), 'cleared')
-- - Should be able to create new highlight groups
expect.match(child.cmd_capture('hi TestNew'), 'guibg=#000000$')
-- - Should remove all previous terminal colors
eq(child.g.terminal_color_0, '#000000')
eq(child.g.terminal_color_1, vim.NIL)
end
T['as_colorscheme() methods']['apply()']['respects `opts.clear`'] = function()
child.api.nvim_set_hl(0, 'TestSingle', { fg = '#aaaaaa' })
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = { Normal = { fg = '#ffffff' } }
})]])
child.lua('_G.cs:apply({ clear = false })')
expect.match(child.cmd_capture('hi TestSingle'), 'guifg=#aaaaaa$')
end
local create_basic_cs = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
-- Oklch ~ { l = 50, c = 15, h = 0 }
-- Oklab ~ { l = 50, a = 14.96, b = 0.056 }
-- Saturation ~ 65
-- Temperature = 90
-- Pressure = 180
-- RGB = { r = 186, g = 74, b = 115 }
groups = { Normal = { fg = '#ba4a73' } }
})]])
end
local validate_chan_method = function(method, channel, args, ref_normal_fg)
local lua_cmd = string.format([[_G.cs_modified = _G.cs:%s('%s', %s)]], method, channel, args)
child.lua(lua_cmd)
eq(child.lua_get('_G.cs_modified.groups.Normal.fg'), ref_normal_fg)
end
local validate_self_copy = function(method, value_string)
local lua_cmd = string.format([[_G.cs_modified = _G.cs:%s('hue', %s)]], method, value_string)
child.lua(lua_cmd)
eq(child.lua_get('vim.deep_equal(_G.cs, _G.cs_modified)'), true)
eq(child.lua_get('_G.cs ~= _G.cs_modified'), true)
end
-- Only basic testing here. More thorough tests are in `chan_modify()`.
T['as_colorscheme() methods']['chan_add()'] = new_set({ hooks = { pre_case = create_basic_cs } })
--stylua: ignore
T['as_colorscheme() methods']['chan_add()']['works'] = function()
local validate = function(channel, value, ref_normal_fg, opts_string)
local args = string.format('%s, %s', value, opts_string or '{}')
validate_chan_method('chan_add', channel, args, ref_normal_fg)
end
validate('lightness', 10, '#d8658d')
validate('chroma', -10, '#906b76')
validate('saturation', 10, '#c33f72')
validate('hue', 10, '#bd4a62')
validate('temperature', 10, '#bd4a62')
validate('pressure', -10, '#bd4a62')
validate('a', -10, '#906b75')
validate('b', 10, '#cb4021')
validate('red', 16, '#ca4a73')
validate('green', 16, '#ba5a73')
validate('blue', 16, '#ba4a83')
-- Should respect `opts`
validate('chroma', 20, '#e30078', [[{ gamut_clip = 'cusp' }]])
-- With value 0 should return copy of input
validate_self_copy('chan_add', '0')
end
T['as_colorscheme() methods']['chan_add()']['validates arguments'] = function()
expect.error(function() child.lua('_G.cs:chan_add(1, 10)') end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_add('aaa', 10)]]) end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_add('hue', 'a')]]) end, '`value`.*number')
end
-- Only basic testing here. More thorough tests are in `chan_modify()`.
T['as_colorscheme() methods']['chan_invert()'] = new_set({ hooks = { pre_case = create_basic_cs } })
--stylua: ignore
T['as_colorscheme() methods']['chan_invert()']['works'] = function()
-- Use different color with off-center channel values
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = { Normal = { fg = '#432618' } }
})]])
local validate = function(channel, ref_normal_fg, opts_string)
validate_chan_method('chan_invert', channel, opts_string or '{}', ref_normal_fg)
end
validate('lightness', '#e3bdac')
-- - Chroma is same as saturation due to lack of good reference point
validate('chroma', '#3d291f')
validate('saturation', '#3d291f')
validate('hue', '#382740')
validate('temperature', '#382740')
validate('pressure', '#243419')
validate('a', '#243419')
validate('b', '#382740')
validate('red', '#bc2618')
validate('green', '#43d918')
validate('blue', '#4326e7')
-- Should respect `opts`
child.lua([[_G.cs.groups.Normal.fg = '#fef0cb']])
validate('lightness', '#221900', [[{ gamut_clip = 'cusp' }]])
end
T['as_colorscheme() methods']['chan_invert()']['validates arguments'] = function()
expect.error(function() child.lua('_G.cs:chan_invert(1)') end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_invert('aaa')]]) end, 'Channel.*one of')
end
T['as_colorscheme() methods']['chan_modify()'] = new_set({ hooks = { pre_case = create_basic_cs } })
local validate_chan_modify = function(channel, function_body, ref_normal_fg, opts_string)
opts_string = opts_string or '{}'
local lua_cmd = string.format('_G.f = function(x) %s end', function_body)
child.lua(lua_cmd)
local lua_get_cmd = string.format([[_G.cs:chan_modify('%s', _G.f, %s).groups.Normal.fg]], channel, opts_string)
eq(child.lua_get(lua_get_cmd), ref_normal_fg)
end
T['as_colorscheme() methods']['chan_modify()']['works with "lightness"'] = function()
local validate = function(...) validate_chan_modify('lightness', ...) end
validate('return x - 10', '#9c2e5a')
-- Should normalize to [0; 100]
validate('return 110', '#ffffff')
validate('return -10', '#000000')
-- Should respect `opts.gamut_clip`
validate('return 80', '#ff9bbe', [[{ gamut_clip = 'cusp' }]])
end
T['as_colorscheme() methods']['chan_modify()']['works with "chroma"'] = function()
local validate = function(...) validate_chan_modify('chroma', ...) end
validate('return x - 10', '#906b76')
-- Should normalize to positive number
validate('return -10', '#777777')
-- Should respect `opts.gamut_clip`
validate('return 25', '#da0072', [[{ gamut_clip = 'cusp' }]])
end
T['as_colorscheme() methods']['chan_modify()']['works with "saturation"'] = function()
local validate = function(...) validate_chan_modify('saturation', ...) end
validate('return x - 10', '#b15374')
-- Should normalize to [0; 100]
validate('return 110', '#d70071')
validate('return -10', '#777777')
-- In theory, 'gamut_clip' is unnecessary as it always stays inside gamut
end
T['as_colorscheme() methods']['chan_modify()']['works with "hue"'] = function()
local validate = function(...) validate_chan_modify('hue', ...) end
validate('return x + 10', '#bd4a62')
-- Should periodically normalize to be inside [0; 360)
validate('return x + 370', '#bd4a62')
validate('return x - 350', '#bd4a62')
-- Should respect `opts.gamut_clip`
validate('return 90', '#a28000', [[{ gamut_clip = 'cusp' }]])
-- Doesn't have effect on grays (as they have no defined hue)
child.lua([[_G.cs.groups.Normal.fg = '#aaaaaa']])
validate('return 90', '#aaaaaa')
end
T['as_colorscheme() methods']['chan_modify()']['works with "temperature"'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
-- Test on both hue half-planes ([-90; 90] and [90; 270])
-- Both colors have temperature 90
groups = { Normal = { fg = '#ba4a73', bg = '#68cebb' } }
})]])
local validate = function(function_body, ref_fg_hex, ref_bg_hex, opts_string)
opts_string = opts_string or '{}'
local lua_cmd = string.format('_G.f = function(x) %s end', function_body)
child.lua(lua_cmd)
local lua_get_cmd = string.format([[_G.cs:chan_modify('temperature', _G.f, %s).groups.Normal]], opts_string)
eq(child.lua_get(lua_get_cmd), { fg = ref_fg_hex, bg = ref_bg_hex })
end
-- "Temperature" is a circular distance to hue 270
validate('return x + 10', '#bd4a62', '#71ceaf')
-- Should normalize to [0; 180]
validate('return 270', '#927300', '#d2b66b')
validate('return -90', '#556fce', '#a0b6fa')
-- Should respect `opts.gamut_clip`
validate('return 180', '#a28000', '#d2b66b', [[{ gamut_clip = 'cusp' }]])
-- Doesn't have effect on grays (as they have no defined hue)
child.lua([[_G.cs.groups.Normal.fg = '#aaaaaa']])
child.lua([[_G.cs.groups.Normal.bg = '#777777']])
validate('return 180', '#aaaaaa', '#777777')
end
T['as_colorscheme() methods']['chan_modify()']['works with "pressure"'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
-- Test on both hue half-planes ([0; 180] and [180, 360))
-- Both colors have pressure 90
groups = { Normal = { fg = '#556fce', bg = '#d2b66b' } }
})]])
local validate = function(function_body, ref_fg_hex, ref_bg_hex, opts_string)
opts_string = opts_string or '{}'
local lua_cmd = string.format('_G.f = function(x) %s end', function_body)
child.lua(lua_cmd)
local lua_get_cmd = string.format([[_G.cs:chan_modify('pressure', _G.f, %s).groups.Normal]], opts_string)
eq(child.lua_get(lua_get_cmd), { fg = ref_fg_hex, bg = ref_bg_hex })
end
-- "Pressure" is a circular distance to hue 180
validate('return x + 10', '#6769cc', '#dbb26c')
-- Should normalize to [0; 180]
validate('return 270', '#ba4a73', '#ee9eb6')
validate('return -90', '#018a79', '#68cebb')
-- Should respect `opts.gamut_clip`
validate('return 0', '#01a38f', '#68cebb', [[{ gamut_clip = 'cusp' }]])
-- Doesn't have effect on grays (as they have no defined hue)
child.lua([[_G.cs.groups.Normal.fg = '#aaaaaa']])
child.lua([[_G.cs.groups.Normal.bg = '#777777']])
validate('return 180', '#aaaaaa', '#777777')
end
T['as_colorscheme() methods']['chan_modify()']['works with "a"'] = function()
local validate = function(...) validate_chan_modify('a', ...) end
validate('return x - 20', '#568178')
-- Should respect `opts.gamut_clip`
validate('return -20', '#00b49e', [[{ gamut_clip = 'cusp' }]])
end
T['as_colorscheme() methods']['chan_modify()']['works with "b"'] = function()
local validate = function(...) validate_chan_modify('b', ...) end
validate('return x - 10', '#ab48ae')
-- Should respect `opts.gamut_clip`
validate('return 40', '#dd8c00', [[{ gamut_clip = 'cusp' }]])
end
T['as_colorscheme() methods']['chan_modify()']['works with "red"'] = function()
local validate = function(...) validate_chan_modify('red', ...) end
validate('return x - 16', '#aa4a73')
-- Should normalize to [0; 255]
validate('return 300', '#ff4a73')
validate('return -50', '#004a73')
-- In theory, 'gamut_clip' is unnecessary as it always stays inside gamut
end
T['as_colorscheme() methods']['chan_modify()']['works with "green"'] = function()
local validate = function(...) validate_chan_modify('green', ...) end
validate('return x - 16', '#ba3a73')
-- Should normalize to [0; 255]
validate('return 300', '#baff73')
validate('return -50', '#ba0073')
-- In theory, 'gamut_clip' is unnecessary as it always stays inside gamut
end
T['as_colorscheme() methods']['chan_modify()']['works with "blue"'] = function()
local validate = function(...) validate_chan_modify('blue', ...) end
validate('return x - 16', '#ba4a63')
-- Should normalize to [0; 255]
validate('return 300', '#ba4aff')
validate('return -50', '#ba4a00')
-- In theory, 'gamut_clip' is unnecessary as it always stays inside gamut
end
T['as_colorscheme() methods']['chan_modify()']['validates arguments'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({ groups = { Normal = { fg = '#ffffff' } } })]])
child.lua('_G.f = function(x) return x + 1 end')
expect.error(function() child.lua('_G.cs:chan_modify(1, _G.f)') end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_modify('aaa', _G.f)]]) end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_modify('hue', 1)]]) end, '`f`.*callable')
expect.error(function() child.lua([[_G.cs:chan_modify('hue', _G.f, { filter = 1 })]]) end, '`opts%.filter`.*callable')
expect.error(
function() child.lua([[_G.cs:chan_modify('hue', _G.f, { filter = 'a' })]]) end,
'`opts%.filter`.*proper attribute'
)
expect.error(
function() child.lua([[_G.cs:chan_modify('hue', _G.f, { gamut_clip = 'a' })]]) end,
'`opts%.gamut_clip`.*one of'
)
end
T['as_colorscheme() methods']['chan_modify()']['respects `opts.filter`'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
groups = { Normal = { fg = '#000000', bg = '#000000', sp = '#000000' } },
terminal = { [0] = '#000000' },
})]])
child.lua([[_G.f = function(x) return x + 2 end]])
-- Allowed attribute strings
local validate_attr = function(attr)
local lua_cmd = string.format([[_G.cs_modified = _G.cs:chan_modify('lightness', _G.f, { filter = '%s' })]], attr)
child.lua(lua_cmd)
local ref_normal = { fg = '#000000', bg = '#000000', sp = '#000000' }
if attr ~= 'term' then ref_normal[attr] = '#020202' end
eq(child.lua_get('_G.cs_modified.groups.Normal'), ref_normal)
local ref_terminal = attr == 'term' and '#020202' or '#000000'
eq(child.lua_get('_G.cs_modified.terminal[0]'), ref_terminal)
end
validate_attr('fg')
validate_attr('bg')
validate_attr('sp')
validate_attr('term')
-- Callable filter
child.lua('_G.args_history = {}')
child.lua([[_G.filter = function(...)
table.insert(_G.args_history, { ... })
return false
end]])
eq(child.lua_get([[vim.deep_equal(_G.cs, _G.cs:chan_modify('lightness', _G.f, { filter = _G.filter }))]]), true)
-- Ensure consistent order in history as there is no order guarantee in how
-- filter is applied
child.lua('table.sort(_G.args_history, function(a, b) return a[2].attr < b[2].attr end)')
eq(child.lua_get('_G.args_history'), {
{ '#000000', { attr = 'bg', name = 'Normal' } },
{ '#000000', { attr = 'fg', name = 'Normal' } },
{ '#000000', { attr = 'sp', name = 'Normal' } },
{ '#000000', { attr = 'term', name = 'terminal_color_0' } },
})
end
T['as_colorscheme() methods']['chan_modify()']['respects `opts.gamut_clip`'] = function()
child.lua([[_G.cs = MiniColors.as_colorscheme({
-- This is approximately { l = 75, c = 5, h = 0 } in Oklch
groups = { Normal = { fg = '#d5acb8' } }
})]])
child.lua([[_G.f = function(_) return 20 end]])
eq(child.lua_get([[_G.cs:chan_modify('chroma', _G.f).groups.Normal.fg]]), '#ff88b7')
eq(child.lua_get([[_G.cs:chan_modify('chroma', _G.f, { gamut_clip = 'chroma' }).groups.Normal.fg]]), '#ff88b7')
eq(child.lua_get([[_G.cs:chan_modify('chroma', _G.f, { gamut_clip = 'cusp' }).groups.Normal.fg]]), '#ff7eb1')
eq(child.lua_get([[_G.cs:chan_modify('chroma', _G.f, { gamut_clip = 'lightness' }).groups.Normal.fg]]), '#ff68a7')
end
-- Only basic testing here. More thorough tests are in `chan_modify()`.
T['as_colorscheme() methods']['chan_multiply()'] = new_set({ hooks = { pre_case = create_basic_cs } })
--stylua: ignore
T['as_colorscheme() methods']['chan_multiply()']['works'] = function()
local validate = function(channel, coef, ref_normal_fg, opts_string)
local args = string.format('%s, %s', coef, opts_string or '{}')
validate_chan_method('chan_multiply', channel, args, ref_normal_fg)
end
validate('lightness', 0.5, '#6e0037')
validate('chroma', 0.5, '#9c6475')
validate('saturation', 1.5, '#d51071')
validate('hue', 100, '#bf4b4e')
validate('temperature', 2, '#927300')
validate('pressure', 0.5, '#927300')
validate('a', -1, '#008b79')
validate('b', -1, '#ba4a74')
validate('red', 0.5, '#5d4a73')
validate('green', 0.5, '#ba2573')
validate('blue', 0.5, '#ba4a3a')
-- Should respect `opts`
validate('chroma', 20, '#f50081', [[{ gamut_clip = 'cusp' }]])
-- With coefficient 1 should return copy of input
validate_self_copy('chan_multiply', '1')
end
T['as_colorscheme() methods']['chan_multiply()']['validates arguments'] = function()
expect.error(function() child.lua('_G.cs:chan_multiply(1, 10)') end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_multiply('aaa', 10)]]) end, 'Channel.*one of')
expect.error(function() child.lua([[_G.cs:chan_multiply('hue', 'a')]]) end, '`coef`.*number')
end
-- Only basic testing here. More thorough tests are in `chan_modify()`.
T['as_colorscheme() methods']['chan_repel()'] = new_set({ hooks = { pre_case = create_basic_cs } })
T['as_colorscheme() methods']['chan_repel()']['works with linear channels'] = function()
-- Tested only with `lightness` as linear scale in hope that all others
-- (except hue) are implemented the same
local ref_lch = child.lua_get([[MiniColors.convert(_G.cs.groups.Normal.fg, 'oklch')]])
local ref_l = ref_lch.l
local validate = function(sources, coef, ref_normal_fg, opts_string)
local args = string.format('%s, %s, %s', vim.inspect(sources), coef, opts_string or '{}')
validate_chan_method('chan_repel', 'lightness', args, ref_normal_fg)
end
local ref_color = function(nudge, opts_string)
--stylua: ignore
local lua_get_cmd = string.format(
[[MiniColors.convert({ l = %s, c = %s, h = %s }, 'hex', %s)]],
ref_lch.l + nudge, ref_lch.c, ref_lch.h, opts_string or '{}'
)
return child.lua_get(lua_get_cmd)
end
-- Should be repelled away from source
validate({ ref_l + 15 }, 10, ref_color(-2.23))
validate({ ref_l - 15 }, 10, ref_color(2.23))
-- If repelled number is inside [src - coef; src + coef], it should be
-- repelled outside of it but close to nearest edge
validate({ ref_l + 1 }, 10, ref_color(-9.05))
validate({ ref_l - 1 }, 10, ref_color(9.05))
-- If repelled from distant source, effect should be very small
validate({ ref_l + 40 }, 10, ref_color(-0.183))
validate({ ref_l - 40 }, 10, ref_color(0.183))
-- Should attract with negative coefficient
validate({ ref_l + 15 }, -10, ref_color(6.0653))
validate({ ref_l - 15 }, -10, ref_color(-6.0653))
-- If attracted number is inside [src - coef; src + coef], it should be
-- attracted directly towards source
validate({ ref_l - 9 }, -10, ref_color(-9))
validate({ ref_l - 1 }, -10, ref_color(-1))
validate({ ref_l + 1 }, -10, ref_color(1))
validate({ ref_l + 9 }, -10, ref_color(9))
-- Should allow multiple sources with additive nudges
validate({ ref_l - 1, ref_l + 1 }, 10, ref_color(0))
validate({ ref_l - 1, ref_l + 2 }, 10, ref_color(0.861))
validate({ ref_l - 2, ref_l + 1 }, 10, ref_color(-0.861))
validate({ ref_l - 1, ref_l + 1 }, -10, ref_color(0))
validate({ ref_l - 1, ref_l + 2 }, -10, ref_color(1))
validate({ ref_l - 2, ref_l + 1 }, -10, ref_color(-1))
-- Should allow single number source
validate(ref_l + 15, 10, ref_color(-2.23))
-- Should respect `opts`
local ref_cusp = ref_color(-39.0123, [[{ gamut_clip = 'cusp' }]])
validate({ ref_l + 1 }, 40, ref_cusp, [[{ gamut_clip = 'cusp' }]])
-- With no sources or coefficient 0 should return copy of input
validate_self_copy('chan_repel', '{}, 1')
validate_self_copy('chan_repel', '{ 0 }, 0')
end
T['as_colorscheme() methods']['chan_repel()']['works with "hue"'] = function()
-- Use color more appropriate for this test
local ref_hex = '#a95d69'
child.lua('_G.cs.groups.Normal.fg = ' .. vim.inspect(ref_hex))
local ref_lch = child.lua_get([[MiniColors.convert(_G.cs.groups.Normal.fg, 'oklch')]])
-- Approximately 10.5
local ref_h = ref_lch.h
local validate = function(sources, coef, ref_normal_fg)
local args = string.format('%s, %s', vim.inspect(sources), coef)
validate_chan_method('chan_repel', 'hue', args, ref_normal_fg)
end
local ref_color = function(nudge)
--stylua: ignore
local lua_get_cmd = string.format(
[[MiniColors.convert({ l = %s, c = %s, h = %s }, 'hex')]],
-- Having `% 360` is crucial to test periodic nature
ref_lch.l, ref_lch.c, (ref_lch.h + nudge) % 360
)
return child.lua_get(lua_get_cmd)
end
-- This mostly tests periodic nature of "hue" channel
-- Should be repelled away from source
validate({ ref_h + 5 }, 4, ref_color(-1.146))
validate({ ref_h - 5 }, 4, ref_color(1.146))
-- Should be attracted with negative coefficient
validate({ ref_h + 5 }, -4, ref_color(3.115))
validate({ ref_h - 5 }, -4, ref_color(-3.115))
-- Should be repelled on circle
validate({ ref_h + 5 }, 20, ref_color(-15.576))
validate({ ref_h - 5 }, 20, ref_color(15.576))
-- Should account for periodic nature. Here 355 is actually close (~15.5
-- instead of ~344.5), so it should be repelled in positive direction