/
parse_spec.rb
1064 lines (846 loc) · 25.8 KB
/
parse_spec.rb
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
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
# frozen_string_literal: true
RSpec.describe TTY::Option do
context "argument" do
it "doesn't allow to register same name parameter" do
expect {
command do
argument :foo
keyword :foo
end
}.to raise_error(TTY::Option::ParameterConflict,
"already registered parameter :foo")
end
it "reads a single argument" do
cmd = new_command do
argument :foo
end
cmd.parse(%w[bar])
expect(cmd.params[:foo]).to eq("bar")
end
it "marks argument to be required by default" do
cmd = new_command do
argument :foo
end
cmd.parse([])
expect(cmd.params.errors.messages).to eq([
"argument 'foo' must be provided"
])
end
it "defauls argument to a value when optional" do
cmd = new_command do
argument(:foo) do
optional
default "bar"
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq("bar")
end
it "defauls argument to a proc when optional" do
cmd = new_command do
argument(:foo) do
optional
default -> { "bar" }
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq("bar")
end
it "reads an argument with exact number of values" do
cmd = new_command do
argument(:foo) { arity 3 }
argument :bar
end
cmd.parse(%w[x y z w])
expect(cmd.params["foo"]).to eq(%w[x y z])
expect(cmd.params[:bar]).to eq("w")
end
it "doesn't permit 0 argument arity" do
expect {
command do
argument :foo, arity: 0
end
}.to raise_error(TTY::Option::ConfigurationError,
"argument 'foo' arity cannot be zero")
end
it "fails to parse no argument when requiring exactly two" do
cmd = new_command do
argument(:foo) { arity 2 }
argument :bar
end
expect {
cmd.parse(%w[], raise_on_parse_error: true)
}.to raise_error(TTY::Option::MissingParameter,
"argument 'foo' must be provided")
end
it "reads zero or more values with zero_or_more arity" do
cmd = new_command do
argument :foo, arity: zero_or_more
end
cmd.parse(%w[x y z w])
expect(cmd.params[:foo]).to eq(%w[x y z w])
end
it "reads no values with zero_or_more arity" do
cmd = new_command do
argument(:foo) { arity zero_or_more }
end
cmd.parse([])
expect(cmd.params[:foo]).to eq(nil)
end
it "reads one or more values one_or_more arity" do
cmd = new_command do
argument(:foo) { arity one_or_more }
end
cmd.parse(%w[x y z w])
expect(cmd.params[:foo]).to eq(%w[x y z w])
end
it "reads at least 3 or more values with at_least arity" do
cmd = new_command do
argument(:foo) { arity at_least(3) }
end
cmd.parse(%w[x y z w])
expect(cmd.params[:foo]).to eq(%w[x y z w])
end
it "fails to read the minimum number of values with arity" do
cmd = new_command do
argument(:foo) { arity at_least(3) }
end
expect {
cmd.parse(%w[x y], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArity,
"argument 'foo' should appear at least 3 times but " \
"appeared 2 times")
end
it "reads no argument for zero_or_more arity and list conversion" do
cmd = new_command do
argument(:foo) do
arity zero_or_more
convert :list
end
end
cmd.parse([], raise_on_parse_error: true)
expect(cmd.params[:foo]).to eq(nil)
end
it "fails to parse no argument for one_or_more arity and list conversion" do
cmd = new_command do
argument(:foo) do
arity one_or_more
convert :list
end
end
expect {
cmd.parse([], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArity,
"argument 'foo' should appear at least 1 time but " \
"appeared 0 times")
end
it "reads two or more value and converts to map" do
cmd = new_command do
argument :foo do
arity two_or_more
convert :int_map
end
end
cmd.parse(%w[a:1 b:2 c:3])
expect(cmd.params[:foo]).to eq({a: 1, b: 2, c: 3})
end
it "fails to parse map due to validation rule" do
cmd = new_command do
argument :foo do
arity one_or_more
convert :int_map
validate ->(val) { val[1] < 3 }
end
end
expect {
cmd.parse(%w[a:1 b:2 c:3], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `c:3` fails validation for 'foo' argument")
end
it "doesn't raise on a validation rule failure and reads an error message" do
cmd = new_command do
argument :foo do
convert :int
validate ->(val) { val < 10 }
end
end
cmd.parse(%w[11])
expect(cmd.params.errors.messages).to eq([
"value of `11` fails validation for 'foo' argument"
])
end
it "doesn't validate the optional argument when no value is provided" do
cmd = new_command do
argument :foo do
optional
validate ->(val) { val == "bar" }
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq(nil)
expect(cmd.params.errors.messages).to eq([])
end
it "doesn't raise on a conversion failure and reads an error message" do
cmd = new_command do
argument :foo do
convert :int
end
end
cmd.parse(%w[bar])
expect(cmd.params[:foo]).to eq(nil)
expect(cmd.params.errors.messages).to eq([
"cannot convert value of `bar` into 'int' type for 'foo' argument"
])
end
it "doesn't permit a value" do
cmd = new_command do
argument :foo do
convert :int
permit [11, 12, 13]
end
end
expect {
cmd.parse(%w[14], raise_on_parse_error: true)
}.to raise_error(TTY::Option::UnpermittedArgument,
"unpermitted value `14` for 'foo' argument: "\
"choose from 11, 12, 13")
end
it "doesn't raise on an unpermitted value and reads error message" do
cmd = new_command do
argument :foo do
convert :int
permit [11, 12, 13]
end
end
cmd.parse(%w[14])
expect(cmd.params.errors.messages).to eq([
"unpermitted value `14` for 'foo' argument: choose from 11, 12, 13"
])
end
it "doesn't check permitted values when optional and no value is provided" do
cmd = new_command do
argument :foo do
optional
permit %w[bar baz]
end
end
cmd.parse([], raise_on_parse_error: true)
expect(cmd.params[:foo]).to eq(nil)
end
end
context "keyword" do
it "reads a keyword with a single value" do
cmd = new_command do
keyword :foo
keyword :bar
end
cmd.parse(%w[foo=x bar=12])
expect(cmd.params[:foo]).to eq("x")
expect(cmd.params[:bar]).to eq("12")
end
it "changes keyword name" do
cmd = new_command do
keyword :foo do
name "fum"
end
end
cmd.parse(%w[fum=x])
expect(cmd.params[:foo]).to eq("x")
end
it "collects multiple keyword occurences" do
cmd = new_command do
keyword :foo, arity: 2
keyword :bar, convert: :int
end
cmd.parse(%w[foo=x bar=12 foo=y])
expect(cmd.params[:foo]).to eq(%w[x y])
expect(cmd.params[:bar]).to eq(12)
end
it "collects multiple keyword occurences and converts" do
cmd = new_command do
keyword(:foo) do
arity 2
convert :int
end
keyword(:bar) do
convert :int
end
end
cmd.parse(%w[foo=11 bar=12 foo=13])
expect(cmd.params[:foo]).to eq([11, 13])
expect(cmd.params[:bar]).to eq(12)
end
it "fails to parse a keyword due to validation rule" do
cmd = new_command do
keyword :foo do
arity one_or_more
convert :int
validate ->(val) { val < 12 }
end
end
expect {
cmd.parse(%w[foo=11 foo=13], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `13` fails validation for 'foo' keyword")
end
it "doesn't permit a value" do
cmd = new_command do
keyword :foo do
convert :int
permit [11, 12, 13]
end
end
expect {
cmd.parse(%w[foo=14], raise_on_parse_error: true)
}.to raise_error(TTY::Option::UnpermittedArgument,
"unpermitted value `14` for 'foo' keyword: " \
"choose from 11, 12, 13")
end
it "requires a keyword presence" do
cmd = new_command do
keyword :foo do
required
end
end
expect {
cmd.parse([], raise_on_parse_error: true)
}.to raise_error(TTY::Option::MissingParameter,
"keyword 'foo' must be provided")
end
end
context "env" do
it "reads an env variable from command line" do
cmd = new_command do
env(:foo) { convert :int }
env(:bar) { convert :bools }
env(:baz) do
name "FOOBAR"
convert :sym
end
env(:qux) do
default "x"
convert ->(val) { val.upcase }
end
end
cmd.parse(%w[FOOBAR=foobar BAR=t,f,t FOO=12])
expect(cmd.params[:foo]).to eq(12)
expect(cmd.params[:bar]).to eq([true, false, true])
expect(cmd.params[:baz]).to eq(:foobar)
expect(cmd.params[:qux]).to eq("X")
end
it "reads an env variable from ENV hash" do
cmd = new_command do
env :foo, convert: :int
env :bar, convert: list_of(:bool)
env :baz, name: "FOOBAR", convert: :sym
end
cmd.parse([], {"FOO" => "12", "BAR" => "t,f,t", "FOOBAR" => "foobar"})
expect(cmd.params[:foo]).to eq(12)
expect(cmd.params[:bar]).to eq([true, false, true])
expect(cmd.params[:baz]).to eq(:foobar)
end
it "fails to assign value due to validation" do
cmd = new_command do
env(:foo) do
convert :int_list
validate ->(val) { val < 14 }
end
end
expect {
cmd.parse(%w[FOO=10,12,14], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `14` fails validation for 'FOO' environment")
end
it "doesn't permit a value" do
cmd = new_command do
env :foo do
convert :int
permit [11, 12, 13]
end
end
expect {
cmd.parse(%w[FOO=14], raise_on_parse_error: true)
}.to raise_error(TTY::Option::UnpermittedArgument,
"unpermitted value `14` for 'FOO' environment: " \
"choose from 11, 12, 13")
end
it "requires an env variable presence" do
cmd = new_command do
env :foo, required: true
end
expect {
cmd.parse([], {}, raise_on_parse_error: true)
}.to raise_error(TTY::Option::MissingParameter,
"environment 'FOO' must be provided")
end
end
context "option" do
it "reads a switch" do
cmd = new_command do
flag :foo
end
cmd.parse(%w[--foo])
expect(cmd.params[:foo]).to eq(true)
end
it "reads an option with short, long & desc as hash options" do
cmd = new_command do
option :foo do
arity one_or_more
short "-b"
long "--bar string"
end
end
cmd.parse(%w[--bar baz -b qux])
expect(cmd.params[:foo]).to eq(%w[baz qux])
end
it "doens't require options by default" do
cmd = new_command do
option :foo do
long "--foo string"
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq(nil)
end
it "requires an option to be present" do
cmd = new_command do
option :foo do
required
long "--foo string"
end
end
expect {
cmd.parse([], raise_on_parse_error: true)
}.to raise_error(TTY::Option::MissingParameter,
"option '--foo' must be provided")
end
it "marks an option as optional with required argument" do
cmd = new_command do
option :foo do
optional
long "--foo string"
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq(nil)
end
it "requires an option to have an argument" do
cmd = new_command do
option :foo, long: "--foo string"
end
expect {
cmd.parse(%w[--foo], raise_on_parse_error: true)
}.to raise_error(TTY::Option::MissingArgument)
end
it "doesn't accept duplicate short option" do
expect {
new_command do
option :foo, short: "-f"
option :fum, short: "-f"
end
}.to raise_error(TTY::Option::ParameterConflict,
"already registered short option -f")
end
it "doesn't accept duplicate long option" do
expect {
new_command do
option :foo, long: "--foo"
option :fum, long: "--foo"
end
}.to raise_error(TTY::Option::ParameterConflict,
"already registered long option --foo")
end
context "default" do
it "defaults to a value with settings" do
cmd = new_command do
option :foo, long: "--foo VAL", default: "bar"
end
cmd.parse([])
expect(cmd.params[:foo]).to eq("bar")
end
it "defaults to a proc value via DSL" do
cmd = new_command do
option :foo do
long "--foo VAL"
default -> { "bar" }
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq("bar")
end
it "defaults a string to an array of integers" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_list
default "1,2,3"
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq([1, 2, 3])
end
it "defaults to an array of integers" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_list
default [1, 2, 3]
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq([1, 2, 3])
end
it "defaults a string to a hash with integer values" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_map
default "a:1 b:2 c:3"
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq({a: 1, b: 2, c: 3})
end
it "defaults to a hash with integer values" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_map
default({"a" => 1, "b" => 2, "c" => 3})
end
end
cmd.parse([])
expect(cmd.params[:foo]).to eq({"a" => 1, "b" => 2, "c" => 3})
end
end
context "convert" do
it "converts option value to expected type" do
cmd = new_command do
option :foo, long: "--foo VAL", convert: :int
option :bar, long: "--bar VAL", convert: :bool
option :baz, long: "--baz VAL", convert: ->(val) { val.to_s.upcase }
option :qux, long: "--qux VAL", convert: :list
option :fum, long: "--fum VAL", convert: :ints
end
cmd.parse(%w[--foo 12 --bar yes --baz foo --qux a,b,c --fum 1 2 3])
expect(cmd.params[:foo]).to eq(12)
expect(cmd.params[:bar]).to eq(true)
expect(cmd.params[:baz]).to eq("FOO")
expect(cmd.params[:qux]).to eq(%w[a b c])
expect(cmd.params[:fum]).to eq([1, 2, 3])
end
it "handles option maps with & connector" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :map
end
option :bar do
long "--bar=VAL"
convert map_of(Integer)
end
end
cmd.parse(%w[--foo a=1&b=2&a=3 --bar c:1&d:2])
expect(cmd.params[:foo]).to eq({a: %w[1 3], b: "2"})
expect(cmd.params[:bar]).to eq({c: 1, d: 2})
end
it "handles option maps with space and :/= delimiters" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :map
end
option :bar do
long "--bar=VAL"
convert :int_map
end
end
cmd.parse(%w[--foo a=1 b=2 a=3 --bar c:1 d:2])
expect(cmd.params[:foo]).to eq({a: %w[1 3], b: "2"})
expect(cmd.params[:bar]).to eq({c: 1, d: 2})
end
end
context "permit" do
it "permits an allowed value" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :sym
permit %i[bar baz qux]
end
end
cmd.parse(%w[--foo qux])
expect(cmd.params[:foo]).to eq(:qux)
end
it "checks option input list against an array of permitted values" do
cmd = new_command do
option :foo do
arity one_or_more
long "--foo VAL"
convert :sym_list
permit %i[bar baz]
end
end
cmd.parse(%w[--foo bar baz])
expect(cmd.params[:foo]).to eq(%i[bar baz])
expect(cmd.params.errors.messages).to be_empty
end
it "doesn't permit input list checked against an array of values" do
cmd = new_command do
option :foo do
arity one_or_more
long "--foo VAL"
convert :sym_list
permit %i[bar baz]
end
end
cmd.parse(%w[--foo bar qux fum])
expect(cmd.params.errors.messages).to eq([
"unpermitted value `qux` for '--foo' option: choose from bar, baz",
"unpermitted value `fum` for '--foo' option: choose from bar, baz"
])
end
it "checks option input pairs against a hash of permitted pairs" do
cmd = new_command do
option :foo do
arity one_or_more
long "--foo VAL"
convert :int_map
permit({a: 1, b: 2, c: 3})
end
end
cmd.parse(%w[--foo a:1 b:2])
expect(cmd.params[:foo]).to eq({a: 1, b: 2})
expect(cmd.params.errors.messages).to be_empty
end
it "doesn't permit input pairs checked against a hash of pairs" do
cmd = new_command do
option :foo do
arity one_or_more
long "--foo VAL"
convert :int_map
permit({a: 1, b: 2, c: 3})
end
end
cmd.parse(%w[--foo a:1 d:4 e:5])
expect(cmd.params.errors.messages).to eq([
"unpermitted value `d:4` for '--foo' option: " \
"choose from a:1, b:2, c:3",
"unpermitted value `e:5` for '--foo' option: " \
"choose from a:1, b:2, c:3"
])
end
it "doesn't permit a value" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int
permit [11, 12, 13]
end
end
expect {
cmd.parse(%w[--foo 14], raise_on_parse_error: true)
}.to raise_error(TTY::Option::UnpermittedArgument,
"unpermitted value `14` for '--foo' option: " \
"choose from 11, 12, 13")
end
it "permits no value" do
cmd = new_command do
option :foo do
long "--foo VAL"
permit %w[bar baz qux]
end
end
cmd.parse([], raise_on_parse_error: true)
expect(cmd.params[:foo]).to eq(nil)
end
end
context "validate" do
it "validates an option with a custom proc" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert Integer
validate ->(val) { val == 12 }
end
end
expect {
cmd.parse(%w[--foo 13], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `13` fails validation for '--foo' option")
end
it "validates an option with a string as regex" do
cmd = new_command do
option :foo do
long "--foo VAL"
validate "\d+"
end
end
expect {
cmd.parse(%w[--foo bar], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `bar` fails validation for '--foo' option")
end
it "validates an option with a multiple argument" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_list
validate ->(val) { val < 12 }
end
end
expect {
cmd.parse(%w[--foo 10,11,12], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `12` fails validation for '--foo' option")
end
it "validates an option given as multiple argument pairs" do
cmd = new_command do
option :foo do
long "--foo VAL"
convert :int_map
validate(->(val) { val[1] < 12 })
end
end
expect {
cmd.parse(%w[--foo a:11 b:12 c:13], raise_on_parse_error: true)
}.to raise_error(TTY::Option::InvalidArgument,
"value of `b:12` fails validation for '--foo' option")
end
end
end
context "when mixed parameters" do
it "parses a complex command" do
cmd = new_command do
argument :action
argument :image
keyword :restart do
default "no"
permit %w[no on-failure always unless-stopped]
end
flag :detach do
short "-d"
long "--detach"
end
option :name do
required
long "--name string"
end
option :port do
short "-p"
long "--publish list"
convert :list
end
env :cmd_env do
default "development"
end
end
cmd.parse(%w[
CMD_ENV=production run restart=always -d -p 5000:3000 5001:8080 --name web ubuntu:16.4
])
expect(cmd.params[:action]).to eq("run")
expect(cmd.params[:image]).to eq("ubuntu:16.4")
expect(cmd.params[:detach]).to eq(true)
expect(cmd.params[:port]).to eq(%w[5000:3000 5001:8080])
expect(cmd.params[:restart]).to eq("always")
expect(cmd.params[:name]).to eq("web")
expect(cmd.params[:cmd_env]).to eq("production")
end
it "collects errors from different parsers" do
cmd = new_command do
argument(:foo)
keyword(:bar) { required }
option(:baz) do
required
long "--baz string"
end
env(:qux) { required }
end
cmd.parse(%w[])
expect(cmd.params.errors.messages).to eq([
"option '--baz' must be provided",
"keyword 'bar' must be provided",
"argument 'foo' must be provided",
"environment 'QUX' must be provided"
])
end
end
context "when remaining arguments" do
it "defaults remainng parameters" do
cmd = new_command
expect(cmd.params.to_h).to eq({})
expect(cmd.params.remaining).to eq([])
expect(cmd.params.errors.to_a).to eq([])
end
it "adds unparsed arguments to remaining" do
cmd = new_command do
argument :foo
end
cmd.parse(%w[a b c])
expect(cmd.params[:foo]).to eq("a")
expect(cmd.params.remaining).to eq(%w[b c])
end
it "adds unknown options to remaining when :check_invalid_params disabled" do
cmd = new_command do
option :foo
end
cmd.parse(%w[--foo --bar -c], check_invalid_params: false)
expect(cmd.params[:foo]).to eq(true)
expect(cmd.params.remaining).to eq(%w[--bar -c])
end
end
context "when help" do
it "parses help when parsing errors are not raised" do
cmd = new_command do
argument :foo