t/t0030-stripspace.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Carlos Rica
   4 #
   5
   6 test_description='git stripspace'
   7
   8 . ./test-lib.sh
   9
  10 t40='A quick brown fox jumps over the lazy do'
  11 s40='                                        '
  12 sss="$s40$s40$s40$s40$s40$s40$s40$s40$s40$s40" # 400
  13 ttt="$t40$t40$t40$t40$t40$t40$t40$t40$t40$t40" # 400
  14
  15 test_expect_success \
  16     'long lines without spaces should be unchanged' '
  17     echo "$ttt" >expect &&
  18     git stripspace <expect >actual &&
  19     test_cmp expect actual &&
  20
  21     echo "$ttt$ttt" >expect &&
  22     git stripspace <expect >actual &&
  23     test_cmp expect actual &&
  24
  25     echo "$ttt$ttt$ttt" >expect &&
  26     git stripspace <expect >actual &&
  27     test_cmp expect actual &&
  28
  29     echo "$ttt$ttt$ttt$ttt" >expect &&
  30     git stripspace <expect >actual &&
  31     test_cmp expect actual
  32 '
  33
  34 test_expect_success \
  35     'lines with spaces at the beginning should be unchanged' '
  36     echo "$sss$ttt" >expect &&
  37     git stripspace <expect >actual &&
  38     test_cmp expect actual &&
  39
  40     echo "$sss$sss$ttt" >expect &&
  41     git stripspace <expect >actual &&
  42     test_cmp expect actual &&
  43
  44     echo "$sss$sss$sss$ttt" >expect &&
  45     git stripspace <expect >actual &&
  46     test_cmp expect actual
  47 '
  48
  49 test_expect_success \
  50     'lines with intermediate spaces should be unchanged' '
  51     echo "$ttt$sss$ttt" >expect &&
  52     git stripspace <expect >actual &&
  53     test_cmp expect actual &&
  54
  55     echo "$ttt$sss$sss$ttt" >expect &&
  56     git stripspace <expect >actual &&
  57     test_cmp expect actual
  58 '
  59
  60 test_expect_success \
  61     'consecutive blank lines should be unified' '
  62     printf "$ttt\n\n$ttt\n" > expect &&
  63     printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  64     test_cmp expect actual &&
  65
  66     printf "$ttt$ttt\n\n$ttt\n" > expect &&
  67     printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  68     test_cmp expect actual &&
  69
  70     printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
  71     printf "$ttt$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  72     test_cmp expect actual &&
  73
  74     printf "$ttt\n\n$ttt\n" > expect &&
  75     printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  76     test_cmp expect actual &&
  77
  78     printf "$ttt\n\n$ttt$ttt\n" > expect &&
  79     printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git stripspace >actual &&
  80     test_cmp expect actual &&
  81
  82     printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
  83     printf "$ttt\n\n\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
  84     test_cmp expect actual &&
  85
  86     printf "$ttt\n\n$ttt\n" > expect &&
  87     printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
  88     test_cmp expect actual &&
  89
  90     printf "$ttt$ttt\n\n$ttt\n" > expect &&
  91     printf "$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
  92     test_cmp expect actual &&
  93
  94     printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
  95     printf "$ttt$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
  96     test_cmp expect actual &&
  97
  98     printf "$ttt\n\n$ttt\n" > expect &&
  99     printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
 100     test_cmp expect actual &&
 101
 102     printf "$ttt\n\n$ttt$ttt\n" > expect &&
 103     printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt\n" | git stripspace >actual &&
 104     test_cmp expect actual &&
 105
 106     printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
 107     printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt$ttt\n" | git stripspace >actual &&
 108     test_cmp expect actual
 109 '
 110
 111 test_expect_success \
 112     'only consecutive blank lines should be completely removed' '
 113
 114     printf "\n" | git stripspace >actual &&
 115     test_must_be_empty actual &&
 116
 117     printf "\n\n\n" | git stripspace >actual &&
 118     test_must_be_empty actual &&
 119
 120     printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
 121     test_must_be_empty actual &&
 122
 123     printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
 124     test_must_be_empty actual &&
 125
 126     printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
 127     test_must_be_empty actual &&
 128
 129     printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
 130     test_must_be_empty actual &&
 131
 132     printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
 133     test_must_be_empty actual &&
 134
 135     printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
 136     test_must_be_empty actual
 137 '
 138
 139 test_expect_success \
 140     'consecutive blank lines at the beginning should be removed' '
 141     printf "$ttt\n" > expect &&
 142     printf "\n$ttt\n" | git stripspace >actual &&
 143     test_cmp expect actual &&
 144
 145     printf "$ttt\n" > expect &&
 146     printf "\n\n\n$ttt\n" | git stripspace >actual &&
 147     test_cmp expect actual &&
 148
 149     printf "$ttt$ttt\n" > expect &&
 150     printf "\n\n\n$ttt$ttt\n" | git stripspace >actual &&
 151     test_cmp expect actual &&
 152
 153     printf "$ttt$ttt$ttt\n" > expect &&
 154     printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
 155     test_cmp expect actual &&
 156
 157     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 158     printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual &&
 159     test_cmp expect actual &&
 160
 161     printf "$ttt\n" > expect &&
 162
 163     printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual &&
 164     test_cmp expect actual &&
 165
 166     printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual &&
 167     test_cmp expect actual &&
 168
 169     printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual &&
 170     test_cmp expect actual &&
 171
 172     printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual &&
 173     test_cmp expect actual &&
 174
 175     printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual &&
 176     test_cmp expect actual &&
 177
 178     printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual &&
 179     test_cmp expect actual
 180 '
 181
 182 test_expect_success \
 183     'consecutive blank lines at the end should be removed' '
 184     printf "$ttt\n" > expect &&
 185     printf "$ttt\n\n" | git stripspace >actual &&
 186     test_cmp expect actual &&
 187
 188     printf "$ttt\n" > expect &&
 189     printf "$ttt\n\n\n\n" | git stripspace >actual &&
 190     test_cmp expect actual &&
 191
 192     printf "$ttt$ttt\n" > expect &&
 193     printf "$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 194     test_cmp expect actual &&
 195
 196     printf "$ttt$ttt$ttt\n" > expect &&
 197     printf "$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 198     test_cmp expect actual &&
 199
 200     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 201     printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 202     test_cmp expect actual &&
 203
 204     printf "$ttt\n" > expect &&
 205
 206     printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual &&
 207     test_cmp expect actual &&
 208
 209     printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual &&
 210     test_cmp expect actual &&
 211
 212     printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual &&
 213     test_cmp expect actual &&
 214
 215     printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual &&
 216     test_cmp expect actual &&
 217
 218     printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual &&
 219     test_cmp expect actual &&
 220
 221     printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual &&
 222     test_cmp expect actual
 223 '
 224
 225 test_expect_success \
 226     'text without newline at end should end with newline' '
 227     test $(printf "$ttt" | git stripspace | wc -l) -gt 0 &&
 228     test $(printf "$ttt$ttt" | git stripspace | wc -l) -gt 0 &&
 229     test $(printf "$ttt$ttt$ttt" | git stripspace | wc -l) -gt 0 &&
 230     test $(printf "$ttt$ttt$ttt$ttt" | git stripspace | wc -l) -gt 0
 231 '
 232
 233 # text plus spaces at the end:
 234
 235 test_expect_success \
 236     'text plus spaces without newline at end should end with newline' '
 237     test $(printf "$ttt$sss" | git stripspace | wc -l) -gt 0 &&
 238     test $(printf "$ttt$ttt$sss" | git stripspace | wc -l) -gt 0 &&
 239     test $(printf "$ttt$ttt$ttt$sss" | git stripspace | wc -l) -gt 0 &&
 240     test $(printf "$ttt$sss$sss" | git stripspace | wc -l) -gt 0 &&
 241     test $(printf "$ttt$ttt$sss$sss" | git stripspace | wc -l) -gt 0 &&
 242     test $(printf "$ttt$sss$sss$sss" | git stripspace | wc -l) -gt 0
 243 '
 244
 245 test_expect_success \
 246     'text plus spaces without newline at end should not show spaces' '
 247     ! (printf "$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 248     ! (printf "$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 249     ! (printf "$ttt$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 250     ! (printf "$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
 251     ! (printf "$ttt$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
 252     ! (printf "$ttt$sss$sss$sss" | git stripspace | grep "  " >/dev/null)
 253 '
 254
 255 test_expect_success \
 256     'text plus spaces without newline should show the correct lines' '
 257     printf "$ttt\n" >expect &&
 258     printf "$ttt$sss" | git stripspace >actual &&
 259     test_cmp expect actual &&
 260
 261     printf "$ttt\n" >expect &&
 262     printf "$ttt$sss$sss" | git stripspace >actual &&
 263     test_cmp expect actual &&
 264
 265     printf "$ttt\n" >expect &&
 266     printf "$ttt$sss$sss$sss" | git stripspace >actual &&
 267     test_cmp expect actual &&
 268
 269     printf "$ttt$ttt\n" >expect &&
 270     printf "$ttt$ttt$sss" | git stripspace >actual &&
 271     test_cmp expect actual &&
 272
 273     printf "$ttt$ttt\n" >expect &&
 274     printf "$ttt$ttt$sss$sss" | git stripspace >actual &&
 275     test_cmp expect actual &&
 276
 277     printf "$ttt$ttt$ttt\n" >expect &&
 278     printf "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 279     test_cmp expect actual
 280 '
 281
 282 test_expect_success \
 283     'text plus spaces at end should not show spaces' '
 284     ! (echo "$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 285     ! (echo "$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 286     ! (echo "$ttt$ttt$ttt$sss" | git stripspace | grep "  " >/dev/null) &&
 287     ! (echo "$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
 288     ! (echo "$ttt$ttt$sss$sss" | git stripspace | grep "  " >/dev/null) &&
 289     ! (echo "$ttt$sss$sss$sss" | git stripspace | grep "  " >/dev/null)
 290 '
 291
 292 test_expect_success \
 293     'text plus spaces at end should be cleaned and newline must remain' '
 294     echo "$ttt" >expect &&
 295     echo "$ttt$sss" | git stripspace >actual &&
 296     test_cmp expect actual &&
 297
 298     echo "$ttt" >expect &&
 299     echo "$ttt$sss$sss" | git stripspace >actual &&
 300     test_cmp expect actual &&
 301
 302     echo "$ttt" >expect &&
 303     echo "$ttt$sss$sss$sss" | git stripspace >actual &&
 304     test_cmp expect actual &&
 305
 306     echo "$ttt$ttt" >expect &&
 307     echo "$ttt$ttt$sss" | git stripspace >actual &&
 308     test_cmp expect actual &&
 309
 310     echo "$ttt$ttt" >expect &&
 311     echo "$ttt$ttt$sss$sss" | git stripspace >actual &&
 312     test_cmp expect actual &&
 313
 314     echo "$ttt$ttt$ttt" >expect &&
 315     echo "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 316     test_cmp expect actual
 317 '
 318
 319 # spaces only:
 320
 321 test_expect_success \
 322     'spaces with newline at end should be replaced with empty string' '
 323     echo | git stripspace >actual &&
 324     test_must_be_empty actual &&
 325
 326     echo "$sss" | git stripspace >actual &&
 327     test_must_be_empty actual &&
 328
 329     echo "$sss$sss" | git stripspace >actual &&
 330     test_must_be_empty actual &&
 331
 332     echo "$sss$sss$sss" | git stripspace >actual &&
 333     test_must_be_empty actual &&
 334
 335     echo "$sss$sss$sss$sss" | git stripspace >actual &&
 336     test_must_be_empty actual
 337 '
 338
 339 test_expect_success \
 340     'spaces without newline at end should not show spaces' '
 341     ! (printf "" | git stripspace | grep " " >/dev/null) &&
 342     ! (printf "$sss" | git stripspace | grep " " >/dev/null) &&
 343     ! (printf "$sss$sss" | git stripspace | grep " " >/dev/null) &&
 344     ! (printf "$sss$sss$sss" | git stripspace | grep " " >/dev/null) &&
 345     ! (printf "$sss$sss$sss$sss" | git stripspace | grep " " >/dev/null)
 346 '
 347
 348 test_expect_success \
 349     'spaces without newline at end should be replaced with empty string' '
 350     printf "" | git stripspace >actual &&
 351     test_must_be_empty actual &&
 352
 353     printf "$sss$sss" | git stripspace >actual &&
 354     test_must_be_empty actual &&
 355
 356     printf "$sss$sss$sss" | git stripspace >actual &&
 357     test_must_be_empty actual &&
 358
 359     printf "$sss$sss$sss$sss" | git stripspace >actual &&
 360     test_must_be_empty actual
 361 '
 362
 363 test_expect_success \
 364     'consecutive text lines should be unchanged' '
 365     printf "$ttt$ttt\n$ttt\n" >expect &&
 366     printf "$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 367     test_cmp expect actual &&
 368
 369     printf "$ttt\n$ttt$ttt\n$ttt\n" >expect &&
 370     printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 371     test_cmp expect actual &&
 372
 373     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect &&
 374     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 375     test_cmp expect actual &&
 376
 377     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect &&
 378     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 379     test_cmp expect actual &&
 380
 381     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect &&
 382     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 383     test_cmp expect actual &&
 384
 385     printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect &&
 386     printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual &&
 387     test_cmp expect actual
 388 '
 389
 390 test_expect_success 'strip comments, too' '
 391         test ! -z "$(echo "# comment" | git stripspace)" &&
 392         test -z "$(echo "# comment" | git stripspace -s)"
 393 '
 394
 395 test_expect_success 'strip comments with changed comment char' '
 396         test ! -z "$(echo "; comment" | git -c core.commentchar=";" stripspace)" &&
 397         test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)"
 398 '
 399
 400 test_expect_success '-c with single line' '
 401         printf "# foo\n" >expect &&
 402         printf "foo" | git stripspace -c >actual &&
 403         test_cmp expect actual
 404 '
 405
 406 test_expect_success '-c with single line followed by empty line' '
 407         printf "# foo\n#\n" >expect &&
 408         printf "foo\n\n" | git stripspace -c >actual &&
 409         test_cmp expect actual
 410 '
 411
 412 test_expect_success '-c with newline only' '
 413         printf "#\n" >expect &&
 414         printf "\n" | git stripspace -c >actual &&
 415         test_cmp expect actual
 416 '
 417
 418 test_expect_success '--comment-lines with single line' '
 419         printf "# foo\n" >expect &&
 420         printf "foo" | git stripspace -c >actual &&
 421         test_cmp expect actual
 422 '
 423
 424 test_expect_success '-c with changed comment char' '
 425         printf "; foo\n" >expect &&
 426         printf "foo" | git -c core.commentchar=";" stripspace -c >actual &&
 427         test_cmp expect actual
 428 '
 429
 430 test_expect_success '-c with comment char defined in .git/config' '
 431         test_config core.commentchar = &&
 432         printf "= foo\n" >expect &&
 433         printf "foo" | (
 434                 mkdir sub && cd sub && git stripspace -c
 435         ) >actual &&
 436         test_cmp expect actual
 437 '
 438
 439 test_expect_success 'avoid SP-HT sequence in commented line' '
 440         printf "#\tone\n#\n# two\n" >expect &&
 441         printf "\tone\n\ntwo\n" | git stripspace -c >actual &&
 442         test_cmp expect actual
 443 '
 444
 445 test_done