File: tc_highline.rb

package info (click to toggle)
ruby-highline 1.6.21-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 676 kB
  • ctags: 497
  • sloc: ruby: 4,805; makefile: 2
file content (1134 lines) | stat: -rwxr-xr-x 35,372 bytes parent folder | download
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
# tc_highline.rb
#
#  Created by James Edward Gray II on 2005-04-26.
#  Copyright 2005 Gray Productions. All rights reserved.
#
#  This is Free Software.  See LICENSE and COPYING for details.

require "test/unit"

require "highline"
require "stringio"

if HighLine::CHARACTER_MODE == "Win32API"
  class HighLine
    # Override Windows' character reading so it's not tied to STDIN.
    def get_character( input = STDIN )
      input.getc
    end
  end
end

class TestHighLine < Test::Unit::TestCase
  def setup
    @input    = StringIO.new
    @output   = StringIO.new
    @terminal = HighLine.new(@input, @output)  
  end
  
  def test_agree
    @input << "y\nyes\nYES\nHell no!\nNo\n"
    @input.rewind

    assert_equal(true, @terminal.agree("Yes or no?  "))
    assert_equal(true, @terminal.agree("Yes or no?  "))
    assert_equal(true, @terminal.agree("Yes or no?  "))
    assert_equal(false, @terminal.agree("Yes or no?  "))
    
    @input.truncate(@input.rewind)
    @input << "yellow"
    @input.rewind

    assert_equal(true, @terminal.agree("Yes or no?  ", :getc))
  end
  
  def test_agree_with_block
    @input << "\n\n"
    @input.rewind

    assert_equal(true, @terminal.agree("Yes or no?  ") { |q| q.default = "y" })
    assert_equal(false, @terminal.agree("Yes or no?  ") { |q| q.default = "n" })
  end
  
  def test_ask
    name = "James Edward Gray II"
    @input << name << "\n"
    @input.rewind

    assert_equal(name, @terminal.ask("What is your name?  "))
    
    assert_raise(EOFError) { @terminal.ask("Any input left?  ") }
  end
  
  def test_ask_string
    name = "James Edward Gray II"
    @input << name << "\n"
    @input.rewind

    assert_equal(name, @terminal.ask("What is your name?  ", String))

    assert_raise(EOFError) { @terminal.ask("Any input left?  ", String) }
  end

  def test_indent
    text = "Testing...\n"
    @terminal.indent_level=1
    @terminal.say(text)
    assert_equal(' '*3+text, @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent_level=3
    @terminal.say(text)
    assert_equal(' '*9+text, @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent_level=0
    @terminal.indent_size=5
    @terminal.indent(2, text)
    assert_equal(' '*10+text, @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent_size=4
    @terminal.indent {
        @terminal.say(text)
    }
    assert_equal(' '*4+text, @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent_size=2
    @terminal.indent(3) { |t|
        t.say(text)
    }
    assert_equal(' '*6+text, @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent { |t|
        t.indent {
            t.indent {
                t.indent { |tt|
                    tt.say(text)
                }
            }
        }
    }
    assert_equal(' '*8+text, @output.string)

    text = "Multi\nLine\nIndentation\n"
    indent = ' '*4
    @terminal.indent_level=2
    @output.truncate(@output.rewind)
    @terminal.say(text)
    assert_equal("#{indent}Multi\n#{indent}Line\n#{indent}Indentation\n", @output.string)

    @output.truncate(@output.rewind)
    @terminal.multi_indent = false
    @terminal.say(text)
    assert_equal("#{indent}Multi\nLine\nIndentation\n", @output.string)

    @output.truncate(@output.rewind)
    @terminal.indent(0, text, true)
    assert_equal("#{indent}Multi\n#{indent}Line\n#{indent}Indentation\n", @output.string)
  end
  
  def test_newline
    @terminal.newline
    @terminal.newline
    assert_equal("\n\n", @output.string)
  end

  def test_bug_fixes
    # auto-complete bug
    @input << "ruby\nRuby\n"
    @input.rewind

    languages = [:Perl, :Python, :Ruby]
    answer = @terminal.ask( "What is your favorite programming language?  ",
                            languages )
    assert_equal(languages.last, answer)

    @input.truncate(@input.rewind)
    @input << "ruby\n"
    @input.rewind

    answer = @terminal.ask( "What is your favorite programming language?  ",
                            languages ) do |q|
      q.case = :capitalize
    end
    assert_equal(languages.last, answer)
    
    # poor auto-complete error message
    @input.truncate(@input.rewind)
    @input << "lisp\nruby\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask( "What is your favorite programming language?  ",
                            languages ) do |q|
      q.case = :capitalize
    end
    assert_equal(languages.last, answer)
    assert_equal( "What is your favorite programming language?  " +
                  "You must choose one of [Perl, Python, Ruby].\n" +
                  "?  ", @output.string )
  end
  
  def test_case_changes
    @input << "jeg2\n"
    @input.rewind

    answer = @terminal.ask("Enter your initials  ") do |q|
      q.case = :up
    end
    assert_equal("JEG2", answer)

    @input.truncate(@input.rewind)
    @input << "cRaZY\n"
    @input.rewind

    answer = @terminal.ask("Enter a search string:  ") do |q|
      q.case = :down
    end
    assert_equal("crazy", answer)
  end

  def test_character_echo
    @input << "password\r"
    @input.rewind

    answer = @terminal.ask("Please enter your password:  ") do |q|
      q.echo = "*"
    end
    assert_equal("password", answer)
    assert_equal("Please enter your password:  ********\n", @output.string)

    @input.truncate(@input.rewind)
    @input << "2"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask( "Select an option (1, 2 or 3):  ",
                            Integer ) do |q|
      q.echo      = "*"
      q.character = true
    end
    assert_equal(2, answer)
    assert_equal("Select an option (1, 2 or 3):  *\n", @output.string)
  end

  def test_backspace_does_not_enter_prompt
      @input << "\b\b"
      @input.rewind
      answer = @terminal.ask("Please enter your password: ") do |q| 
        q.echo = "*" 
      end
      assert_equal("", answer)
      assert_equal("Please enter your password: \n", @output.string)
  end
  
  def test_readline_on_non_echo_question_has_prompt
    @input << "you can't see me"
    @input.rewind
    answer = @terminal.ask("Please enter some hidden text: ") do |q|
      q.readline = true
      q.echo = "*"
    end
    assert_equal("you can't see me", answer)
    assert_equal("Please enter some hidden text: ****************\n", @output.string)
  end
  
  def test_character_reading
    # WARNING:  This method does NOT cover Unix and Windows savvy testing!
    @input << "12345"
    @input.rewind

    answer = @terminal.ask("Enter a single digit:  ", Integer) do |q|
      q.character = :getc
    end
    assert_equal(1, answer)
  end

  def test_frozen_statement
    @terminal.say('This is a frozen statement'.freeze)
    assert_equal("This is a frozen statement\n", @output.string)
  end

  def test_color
    @terminal.say("This should be <%= BLUE %>blue<%= CLEAR %>!")
    assert_equal("This should be \e[34mblue\e[0m!\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say( "This should be " +
                   "<%= BOLD + ON_WHITE %>bold on white<%= CLEAR %>!" )
    assert_equal( "This should be \e[1m\e[47mbold on white\e[0m!\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("This should be <%= color('cyan', CYAN) %>!")
    assert_equal("This should be \e[36mcyan\e[0m!\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say( "This should be " +
                   "<%= color('blinking on red', :blink, :on_red) %>!" )
    assert_equal( "This should be \e[5m\e[41mblinking on red\e[0m!\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("This should be <%= NONE %>none<%= CLEAR %>!")
    assert_equal("This should be \e[38mnone\e[0m!\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("This should be <%= RGB_906030 %>rgb_906030<%= CLEAR %>!")
    assert_equal("This should be \e[38;5;137mrgb_906030\e[0m!\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("This should be <%= ON_RGB_C06030 %>on_rgb_c06030<%= CLEAR %>!")
    assert_equal("This should be \e[48;5;173mon_rgb_c06030\e[0m!\n", @output.string)

    @output.truncate(@output.rewind)
    
    # Does class method work, too?
    @terminal.say("This should be <%= HighLine.color('reverse underlined magenta', :reverse, :underline, :magenta) %>!")
    assert_equal( "This should be \e[7m\e[4m\e[35mreverse underlined magenta\e[0m!\n",
                  @output.string )

    @output.truncate(@output.rewind)

    # turn off color
    old_setting = HighLine.use_color?
    assert_nothing_raised(Exception) { HighLine.use_color = false }
    @terminal.say("This should be <%= color('cyan', CYAN) %>!")
    assert_equal("This should be cyan!\n", @output.string)
    HighLine.use_color = old_setting
  end

  def test_uncolor
    # instance method
    assert_equal( "This should be reverse underlined magenta!\n",
                  @terminal.uncolor("This should be \e[7m\e[4m\e[35mreverse underlined magenta\e[0m!\n") 
                )

    @output.truncate(@output.rewind)

    # class method
    assert_equal( "This should be reverse underlined magenta!\n",
                  HighLine.uncolor("This should be \e[7m\e[4m\e[35mreverse underlined magenta\e[0m!\n") 
                )

    @output.truncate(@output.rewind)

    # RGB color
    assert_equal( "This should be rgb_906030!\n",
                  @terminal.uncolor("This should be \e[38;5;137mrgb_906030\e[0m!\n") 
                )
  end
                                  
  def test_confirm
    @input << "junk.txt\nno\nsave.txt\ny\n"
    @input.rewind

    answer = @terminal.ask("Enter a filename:  ") do |q|
      q.confirm = "Are you sure you want to overwrite <%= @answer %>?  "
      q.responses[:ask_on_error] = :question
    end
    assert_equal("save.txt", answer)
    assert_equal( "Enter a filename:  " +
                  "Are you sure you want to overwrite junk.txt?  " +
                  "Enter a filename:  " +
                  "Are you sure you want to overwrite save.txt?  ",
                  @output.string )

    @input.truncate(@input.rewind)
    @input << "junk.txt\nyes\nsave.txt\nn\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Enter a filename:  ") do |q|
      q.confirm = "Are you sure you want to overwrite <%= @answer %>?  "
    end
    assert_equal("junk.txt", answer)
    assert_equal( "Enter a filename:  " +
                  "Are you sure you want to overwrite junk.txt?  ",
                  @output.string )
  end
  
  def test_defaults
    @input << "\nNo Comment\n"
    @input.rewind

    answer = @terminal.ask("Are you sexually active?  ") do |q|
      q.validate = /\Ay(?:es)?|no?|no comment\Z/i
    end
    assert_equal("No Comment", answer)

    @input.truncate(@input.rewind)
    @input << "\nYes\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Are you sexually active?  ") do |q|
      q.default  = "No Comment"
      q.validate = /\Ay(?:es)?|no?|no comment\Z/i
    end
    assert_equal("No Comment", answer)
    assert_equal( "Are you sexually active?  |No Comment|  ",
                  @output.string )
  end

  def test_string_preservation
    @input << "Maybe\nYes\n"
    @input.rewind

    my_string = "Is that your final answer? "

    @terminal.ask(my_string) { |q| q.default = "Possibly" }
    @terminal.ask(my_string) { |q| q.default = "Maybe" }

    assert_equal("Is that your final answer? ", my_string)
  end

  def test_empty
    @input << "\n"
    @input.rewind

    answer = @terminal.ask("") do |q|
      q.default  = "yes"
      q.validate = /\Ay(?:es)?|no?\Z/i
    end
    assert_equal("yes", answer)
  end
  
  def test_erb
    @terminal.say( "The integers from 1 to 10 are:\n" +
                   "% (1...10).each do |n|\n" +
                   "\t<%= n %>,\n" +
                   "% end\n" +
                   "\tand 10" )
    assert_equal( "The integers from 1 to 10 are:\n" +
                  "\t1,\n\t2,\n\t3,\n\t4,\n\t5,\n" +
                  "\t6,\n\t7,\n\t8,\n\t9,\n\tand 10\n",
                  @output.string )
  end
  
  def test_files
    @input << "#{File.basename(__FILE__)[0, 5]}\n"
    @input.rewind
    
    assert_equal "tc_hi\n",@input.read
    @input.rewind

    file = @terminal.ask("Select a file:  ", File) do |q|
      q.directory = File.expand_path(File.dirname(__FILE__))
      q.glob      = "*.rb"
    end
    assert_instance_of(File, file)
    assert_equal("# tc_highline.rb\n", file.gets)
    file.close

    @input.rewind

    pathname = @terminal.ask("Select a file:  ", Pathname) do |q|
      q.directory = File.expand_path(File.dirname(__FILE__))
      q.glob      = "*.rb"
    end
    assert_instance_of(Pathname, pathname)
    assert_equal(File.size(__FILE__), pathname.size)
  end
  
  def test_gather
    @input << "James\nDana\nStorm\nGypsy\n\n"
    @input.rewind

    answers = @terminal.ask("Enter four names:") do |q|
      q.gather = 4
    end
    assert_equal(%w{James Dana Storm Gypsy}, answers)
    assert_equal("\n", @input.gets)
    assert_equal("Enter four names:\n", @output.string)

    @input.rewind

    answers = @terminal.ask("Enter four names:") do |q|
      q.gather = ""
    end
    assert_equal(%w{James Dana Storm Gypsy}, answers)

    @input.rewind

    answers = @terminal.ask("Enter four names:") do |q|
      q.gather = /^\s*$/
    end
    assert_equal(%w{James Dana Storm Gypsy}, answers)

    @input.truncate(@input.rewind)
    @input << "29\n49\n30\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answers = @terminal.ask("<%= @key %>:  ", Integer) do |q|
      q.gather = { "Age" => 0, "Wife's Age" => 0, "Father's Age" => 0}
    end
    assert_equal( { "Age" => 29, "Wife's Age" => 30, "Father's Age" => 49},
                  answers )
    assert_equal("Age:  Father's Age:  Wife's Age:  ", @output.string)
  end

  def test_typing_verification
    @input << "all work and no play makes jack a dull boy\n" * 3
    @input.rewind

    answer = @terminal.ask("How's work? ") do |q|
      q.gather = 3
      q.verify_match = true
    end
    assert_equal("all work and no play makes jack a dull boy", answer)

    @input.truncate(@input.rewind)
    @input << "all play and no work makes jack a mere toy\n"
    @input << "all work and no play makes jack a dull boy\n" * 5
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("How are things going? ") do |q|
      q.gather = 3
      q.verify_match = true
      q.responses[:mismatch] = 'Typing mismatch!'
      q.responses[:ask_on_error] = ''
    end
    assert_equal("all work and no play makes jack a dull boy", answer)

    # now try using a hash for gather

    @input.truncate(@input.rewind)
    @input << "Password\nPassword\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("<%= @key %>: ") do |q|
      q.verify_match = true
      q.gather = {"Enter a password" => '', "Please type it again" => ''}
    end
    assert_equal("Password", answer)

    @input.truncate(@input.rewind)
    @input << "Password\nMistake\nPassword\nPassword\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("<%= @key %>: ") do |q|
      q.verify_match = true
      q.responses[:mismatch] = 'Typing mismatch!'
      q.responses[:ask_on_error] = ''
      q.gather = {"Enter a password" => '', "Please type it again" => ''}
    end

    assert_equal("Password", answer)
    assert_equal( "Enter a password: " +
                  "Please type it again: " +
                  "Typing mismatch!\n" +
                  "Enter a password: " +
                  "Please type it again: ", @output.string )
  end

  def test_lists
    digits     = %w{Zero One Two Three Four Five Six Seven Eight Nine}
    erb_digits = digits.dup
    erb_digits[erb_digits.index("Five")] = "<%= color('Five', :blue) %%>"

    @terminal.say("<%= list(#{digits.inspect}) %>")
    assert_equal(digits.map { |d| "#{d}\n" }.join, @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{digits.inspect}, :inline) %>")
    assert_equal( digits[0..-2].join(", ") + " or #{digits.last}\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{digits.inspect}, :inline, ' and ') %>")
    assert_equal( digits[0..-2].join(", ") + " and #{digits.last}\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{digits.inspect}, :columns_down, 3) %>")
    assert_equal( "Zero   Four   Eight\n" +
                  "One    Five   Nine \n" +
                  "Two    Six  \n"        +
                  "Three  Seven\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{erb_digits.inspect}, :columns_down, 3) %>")
    assert_equal( "Zero   Four   Eight\n" +
                  "One    \e[34mFive\e[0m   Nine \n" +
                  "Two    Six  \n" +
                  "Three  Seven\n",
                  @output.string )

    colums_of_twenty = ["12345678901234567890"] * 5
    
    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{colums_of_twenty.inspect}, :columns_down) %>")
    assert_equal( "12345678901234567890  12345678901234567890  " +
                  "12345678901234567890\n"                       +
                  "12345678901234567890  12345678901234567890\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list(#{digits.inspect}, :columns_across, 3) %>")
    assert_equal( "Zero   One    Two  \n" +
                  "Three  Four   Five \n" + 
                  "Six    Seven  Eight\n" +
                  "Nine \n",
                  @output.string )
        
    colums_of_twenty.pop

    @output.truncate(@output.rewind)

    @terminal.say("<%= list( #{colums_of_twenty.inspect}, :columns_across ) %>")
    assert_equal( "12345678901234567890  12345678901234567890  " +
                  "12345678901234567890\n" +
                  "12345678901234567890\n",
                  @output.string )

    @output.truncate(@output.rewind)
    
    wide = %w[0123456789 a b c d e f g h i j k l m n o p q r s t u v w x y z]

    @terminal.say("<%= list( #{wide.inspect}, :uneven_columns_across ) %>")
    assert_equal( "0123456789  a  b  c  d  e  f  g  h  i  j  k  l  m  n  o  " +
                  "p  q  r  s  t  u  v  w\n"                                  +
                  "x           y  z\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list( #{wide.inspect}, :uneven_columns_across, 10 ) %>")
    assert_equal( "0123456789  a  b  c  d  e  f  g  h  i\n" +
                  "j           k  l  m  n  o  p  q  r  s\n" +
                  "t           u  v  w  x  y  z\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list( #{wide.inspect}, :uneven_columns_down ) %>")
    assert_equal( "0123456789  b  d  f  h  j  l  n  p  r  t  v  x  z\n" +
                  "a           c  e  g  i  k  m  o  q  s  u  w  y\n",
                  @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("<%= list( #{wide.inspect}, :uneven_columns_down, 10 ) %>")
    assert_equal( "0123456789  c  f  i  l  o  r  u  x\n" +
                  "a           d  g  j  m  p  s  v  y\n" +
                  "b           e  h  k  n  q  t  w  z\n",
                  @output.string )
  end
  
  def test_lists_with_zero_items
    modes = [nil, :rows, :inline, :columns_across, :columns_down]
    modes.each do |mode|
      result = @terminal.list([], mode)
      assert_equal("", result)
    end
  end

  def test_lists_with_nil_items
    modes = [nil]
    modes.each do |mode|
      result = @terminal.list([nil], mode)
      assert_equal("\n", result)
    end
  end
  
  def test_lists_with_one_item
    items = ['Zero']
    modes = { nil            => "Zero\n",
             :rows           => "Zero\n",
             :inline         => "Zero",
             :columns_across => "Zero\n",
             :columns_down   => "Zero\n" }
             
    modes.each do |mode, expected|
      result = @terminal.list(items, mode)
      assert_equal(expected, result)
    end
  end
  
  def test_lists_with_two_items
    items = ['Zero', 'One']
    modes = { nil            => "Zero\nOne\n",
             :rows           => "Zero\nOne\n",
             :inline         => "Zero or One",
             :columns_across => "Zero  One \n",
             :columns_down   => "Zero  One \n" }
             
    modes.each do |mode, expected|
      result = @terminal.list(items, mode)
      assert_equal(expected, result)
    end
  end
  
  def test_lists_with_three_items
    items = ['Zero', 'One', 'Two']
    modes = { nil            => "Zero\nOne\nTwo\n",
             :rows           => "Zero\nOne\nTwo\n",
             :inline         => "Zero, One or Two",
             :columns_across => "Zero  One   Two \n",
             :columns_down   => "Zero  One   Two \n" }

    modes.each do |mode, expected|
      result = @terminal.list(items, mode)
      assert_equal(expected, result)
    end
  end
  
  def test_mode
    assert(%w[Win32API termios ncurses stty jline].include?(HighLine::CHARACTER_MODE),
           "#{HighLine::CHARACTER_MODE} not in list")
  end
  
  class NameClass
    def self.parse( string )
      if string =~ /^\s*(\w+),\s*(\w+)\s+(\w+)\s*$/
        self.new($2, $3, $1)
      else
        raise ArgumentError, "Invalid name format."
      end
    end

    def initialize(first, middle, last)
      @first, @middle, @last = first, middle, last
    end
    
    attr_reader :first, :middle, :last
  end
  
  def test_my_class_conversion
    @input << "Gray, James Edward\n"
    @input.rewind

    answer = @terminal.ask("Your name?  ", NameClass) do |q|
      q.validate = lambda do |name|
        names = name.split(/,\s*/)
        return false unless names.size == 2
        return false if names.first =~ /\s/
        names.last.split.size == 2
      end
    end
    assert_instance_of(NameClass, answer)
    assert_equal("Gray", answer.last)
    assert_equal("James", answer.first)
    assert_equal("Edward", answer.middle)
  end
  
  def test_no_echo
    @input << "password\r"
    @input.rewind

    answer = @terminal.ask("Please enter your password:  ") do |q|
      q.echo = false
    end
    assert_equal("password", answer)
    assert_equal("Please enter your password:  \n", @output.string)

    @input.rewind
    @output.truncate(@output.rewind)
    
    answer = @terminal.ask("Pick a letter or number:  ") do |q|
      q.character = true
      q.echo      = false
    end
    assert_equal("p", answer)
    assert_equal("a", @input.getc.chr)
    assert_equal("Pick a letter or number:  \n", @output.string)
  end
  
  def test_paging
    @terminal.page_at = 22

    @input << "\n\n"
    @input.rewind

    @terminal.say((1..50).map { |n| "This is line #{n}.\n"}.join)
    assert_equal( (1..22).map { |n| "This is line #{n}.\n"}.join +
                  "\n-- press enter/return to continue or q to stop -- \n\n" +
                  (23..44).map { |n| "This is line #{n}.\n"}.join +
                  "\n-- press enter/return to continue or q to stop -- \n\n" +
                  (45..50).map { |n| "This is line #{n}.\n"}.join,
                  @output.string )
  end
  
  def test_range_requirements
    @input << "112\n-541\n28\n"
    @input.rewind

    answer = @terminal.ask("Tell me your age.", Integer) do |q|
      q.in = 0..105
    end
    assert_equal(28, answer)
    assert_equal( "Tell me your age.\n" +
                  "Your answer isn't within the expected range " +
                  "(included in 0..105).\n" +
                  "?  " +
                  "Your answer isn't within the expected range " +
                  "(included in 0..105).\n" +
                  "?  ", @output.string )

    @input.truncate(@input.rewind)
    @input << "1\n-541\n28\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Tell me your age.", Integer) do |q|
      q.above = 3
    end
    assert_equal(28, answer)
    assert_equal( "Tell me your age.\n" +
                  "Your answer isn't within the expected range " +
                  "(above 3).\n" +
                  "?  " +
                  "Your answer isn't within the expected range " +
                  "(above 3).\n" +
                  "?  ", @output.string )

    @input.truncate(@input.rewind)
    @input << "1\n28\n-541\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Lowest numer you can think of?", Integer) do |q|
      q.below = 0
    end
    assert_equal(-541, answer)
    assert_equal( "Lowest numer you can think of?\n" +
                  "Your answer isn't within the expected range " +
                  "(below 0).\n" +
                  "?  " +
                  "Your answer isn't within the expected range " +
                  "(below 0).\n" +
                  "?  ", @output.string )

    @input.truncate(@input.rewind)
    @input << "1\n-541\n6\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Enter a low even number:  ", Integer) do |q|
      q.above = 0
      q.below = 10
      q.in    = [2, 4, 6, 8]
    end
    assert_equal(6, answer)
    assert_equal( "Enter a low even number:  " +
                  "Your answer isn't within the expected range " +
                  "(above 0, below 10, and included in [2, 4, 6, 8]).\n" +
                  "?  " +
                  "Your answer isn't within the expected range " +
                  "(above 0, below 10, and included in [2, 4, 6, 8]).\n" +
                  "?  ", @output.string )
  end
  
  def test_reask
    number = 61676
    @input << "Junk!\n" << number << "\n"
    @input.rewind

    answer = @terminal.ask("Favorite number?  ", Integer)
    assert_kind_of(Integer, number)
    assert_instance_of(Fixnum, number)
    assert_equal(number, answer)
    assert_equal( "Favorite number?  " +
                  "You must enter a valid Integer.\n" +
                  "?  ", @output.string )

    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Favorite number?  ", Integer) do |q|
      q.responses[:ask_on_error] = :question
      q.responses[:invalid_type] = "Not a valid number!"
    end
    assert_kind_of(Integer, number)
    assert_instance_of(Fixnum, number)
    assert_equal(number, answer)
    assert_equal( "Favorite number?  " +
                  "Not a valid number!\n" +
                  "Favorite number?  ", @output.string )

    @input.truncate(@input.rewind)
    @input << "gen\ngene\n"
    @input.rewind
    @output.truncate(@output.rewind)

    answer = @terminal.ask("Select a mode:  ", [:generate, :gentle])
    assert_instance_of(Symbol, answer)
    assert_equal(:generate, answer)
    assert_equal( "Select a mode:  " +
                  "Ambiguous choice.  " +
                  "Please choose one of [generate, gentle].\n" +
                  "?  ", @output.string )
  end
  
  def test_response_embedding
    @input << "112\n-541\n28\n"
    @input.rewind

    answer = @terminal.ask("Tell me your age.", Integer) do |q|
      q.in = 0..105
      q.responses[:not_in_range] = "Need a <%= @question.answer_type %>" +
                                   " <%= @question.expected_range %>."
    end
    assert_equal(28, answer)
    assert_equal( "Tell me your age.\n" +
                  "Need a Integer included in 0..105.\n" +
                  "?  " +
                  "Need a Integer included in 0..105.\n" +
                  "?  ", @output.string )
  end
  
  def test_say
    @terminal.say("This will have a newline.")
    assert_equal("This will have a newline.\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("This will also have one newline.\n")
    assert_equal("This will also have one newline.\n", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("This will not have a newline.  ")
    assert_equal("This will not have a newline.  ", @output.string)

    @output.truncate(@output.rewind)
    
    @terminal.say("This will not\n end with a newline. ")
    assert_equal("This will not\n end with a newline. ", @output.string)

    @output.truncate(@output.rewind)

    @terminal.say("This will \nend with a newline.")
    assert_equal("This will \nend with a newline.\n", @output.string)

    @output.truncate(@output.rewind)

    colorized = @terminal.color("This will not have a newline. ", :green)
    @terminal.say(colorized)
    assert_equal("\e[32mThis will not have a newline. \e[0m", @output.string)

    @output.truncate(@output.rewind)

    colorized = @terminal.color("This will have a newline.", :green)
    @terminal.say(colorized)
    assert_equal("\e[32mThis will have a newline.\e[0m\n", @output.string)
  end

  def _test_terminal_size
    assert_instance_of(Fixnum, @terminal.terminal_size[0])
    assert_instance_of(Fixnum, @terminal.terminal_size[1])
  end

  def test_type_conversion
    number = 61676
    @input << number << "\n"
    @input.rewind

    answer = @terminal.ask("Favorite number?  ", Integer)
    assert_kind_of(Integer, answer)
    assert_instance_of(Fixnum, answer)
    assert_equal(number, answer)
    
    @input.truncate(@input.rewind)
    number = 1_000_000_000_000_000_000_000_000_000_000
    @input << number << "\n"
    @input.rewind

    answer = @terminal.ask("Favorite number?  ", Integer)
    assert_kind_of(Integer, answer)
    assert_instance_of(Bignum, answer)
    assert_equal(number, answer)

    @input.truncate(@input.rewind)
    number = 10.5002
    @input << number << "\n"
    @input.rewind

    answer = @terminal.ask( "Favorite number?  ",
                            lambda { |n| n.to_f.abs.round } )
    assert_kind_of(Integer, answer)
    assert_instance_of(Fixnum, answer)
    assert_equal(11, answer)

    @input.truncate(@input.rewind)
    animal = :dog
    @input << animal << "\n"
    @input.rewind

    answer = @terminal.ask("Favorite animal?  ", Symbol)
    assert_instance_of(Symbol, answer)
    assert_equal(animal, answer)

    @input.truncate(@input.rewind)
    @input << "16th June 1976\n"
    @input.rewind

    answer = @terminal.ask("Enter your birthday.", Date)
    assert_instance_of(Date, answer)
    assert_equal(16, answer.day)
    assert_equal(6, answer.month)
    assert_equal(1976, answer.year)

    @input.truncate(@input.rewind)
    pattern = "^yes|no$"
    @input << pattern << "\n"
    @input.rewind

    answer = @terminal.ask("Give me a pattern to match with:  ", Regexp)
    assert_instance_of(Regexp, answer)
    assert_equal(/#{pattern}/, answer)

    @input.truncate(@input.rewind)
    @input << "gen\n"
    @input.rewind

    answer = @terminal.ask("Select a mode:  ", [:generate, :run])
    assert_instance_of(Symbol, answer)
    assert_equal(:generate, answer)
  end
  
  def test_validation
    @input << "system 'rm -rf /'\n105\n0b101_001\n"
    @input.rewind

    answer = @terminal.ask("Enter a binary number:  ") do |q|
      q.validate = /\A(?:0b)?[01_]+\Z/
    end
    assert_equal("0b101_001", answer)
    assert_equal( "Enter a binary number:  " +
                  "Your answer isn't valid " +
                  "(must match /\\A(?:0b)?[01_]+\\Z/).\n" +
                  "?  " +
                  "Your answer isn't valid " +
                  "(must match /\\A(?:0b)?[01_]+\\Z/).\n" +
                  "?  ", @output.string )

    @input.truncate(@input.rewind)
    @input << "Gray II, James Edward\n" +
              "Gray, Dana Ann Leslie\n" +
              "Gray, James Edward\n"
    @input.rewind

    answer = @terminal.ask("Your name?  ") do |q|
      q.validate = lambda do |name|
        names = name.split(/,\s*/)
        return false unless names.size == 2
        return false if names.first =~ /\s/
        names.last.split.size == 2
      end
    end
    assert_equal("Gray, James Edward", answer)
  end
  
  def test_whitespace
    @input << "  A   lot\tof  \t  space\t  \there!   \n"
    @input.rewind
    
    answer = @terminal.ask("Enter a whitespace filled string:  ") do |q|
      q.whitespace = :chomp
    end
    assert_equal("  A   lot\tof  \t  space\t  \there!   ", answer)

    @input.rewind

    answer = @terminal.ask("Enter a whitespace filled string:  ")
    assert_equal("A   lot\tof  \t  space\t  \there!", answer)

    @input.rewind

    answer = @terminal.ask("Enter a whitespace filled string:  ") do |q|
      q.whitespace = :strip_and_collapse
    end
    assert_equal("A lot of space here!", answer)

    @input.rewind

    answer = @terminal.ask("Enter a whitespace filled string:  ") do |q|
      q.whitespace = :remove
    end
    assert_equal("Alotofspacehere!", answer)

    @input.rewind

    answer = @terminal.ask("Enter a whitespace filled string:  ") do |q|
      q.whitespace = :none
    end
    assert_equal("  A   lot\tof  \t  space\t  \there!   \n", answer)
  end
  
  def test_wrap
    @terminal.wrap_at = 80
    
    @terminal.say("This is a very short line.")
    assert_equal("This is a very short line.\n", @output.string)
    
    @output.truncate(@output.rewind)

    @terminal.say( "This is a long flowing paragraph meant to span " +
                   "several lines.  This text should definitely be " +
                   "wrapped at the set limit, in the result.  Your code " +
                   "does well with things like this.\n\n" +
                   "  * This is a simple embedded list.\n" +
                   "  * You're code should not mess with this...\n" +
                       "  * Because it's already formatted correctly and " +
                   "does not\n" +
                   "    exceed the limit!" )
    assert_equal( "This is a long flowing paragraph meant to span " +
                  "several lines.  This text should\n" +
                  "definitely be wrapped at the set limit, in the " +
                  "result.  Your code does well with\n" +
                  "things like this.\n\n" +
                  "  * This is a simple embedded list.\n" +
                  "  * You're code should not mess with this...\n" +
                  "  * Because it's already formatted correctly and does " +
                  "not\n" +
                  "    exceed the limit!\n", @output.string )

    @output.truncate(@output.rewind)

    @terminal.say("-=" * 50)
    assert_equal(("-=" * 40 + "\n") + ("-=" * 10 + "\n"), @output.string)
  end
  
  def test_track_eof
    assert_raise(EOFError) { @terminal.ask("Any input left?  ") }
    
    # turn EOF tracking
    old_setting = HighLine.track_eof?
    assert_nothing_raised(Exception) { HighLine.track_eof = false }
    begin
      @terminal.ask("And now?  ")  # this will still blow up, nothing available
    rescue
      assert_not_equal(EOFError, $!.class)  # but HighLine's safe guards are off
    end
    HighLine.track_eof = old_setting
  end
  
  def test_version
    assert_not_nil(HighLine::VERSION)
    assert_instance_of(String, HighLine::VERSION)
    assert(HighLine::VERSION.frozen?)
    assert_match(/\A\d+\.\d+\.\d+\Z/, HighLine::VERSION)
  end
end