t/t0030-stripspace.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2007 Carlos Rica
   4 #
   5
   6 test_description='git stripspace'
   7
   8 TEST_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 t40='A quick brown fox jumps over the lazy do'
  12 s40='                                        '
  13 sss="$s40$s40$s40$s40$s40$s40$s40$s40$s40$s40" # 400
  14 ttt="$t40$t40$t40$t40$t40$t40$t40$t40$t40$t40" # 400
  15
  16 printf_git_stripspace () {
  17     printf "$1" | git stripspace
  18 }
  19
  20 test_expect_success \
  21     'long lines without spaces should be unchanged' '
  22     echo "$ttt" >expect &&
  23     git stripspace <expect >actual &&
  24     test_cmp expect actual &&
  25
  26     echo "$ttt$ttt" >expect &&
  27     git stripspace <expect >actual &&
  28     test_cmp expect actual &&
  29
  30     echo "$ttt$ttt$ttt" >expect &&
  31     git stripspace <expect >actual &&
  32     test_cmp expect actual &&
  33
  34     echo "$ttt$ttt$ttt$ttt" >expect &&
  35     git stripspace <expect >actual &&
  36     test_cmp expect actual
  37 '
  38
  39 test_expect_success \
  40     'lines with spaces at the beginning should be unchanged' '
  41     echo "$sss$ttt" >expect &&
  42     git stripspace <expect >actual &&
  43     test_cmp expect actual &&
  44
  45     echo "$sss$sss$ttt" >expect &&
  46     git stripspace <expect >actual &&
  47     test_cmp expect actual &&
  48
  49     echo "$sss$sss$sss$ttt" >expect &&
  50     git stripspace <expect >actual &&
  51     test_cmp expect actual
  52 '
  53
  54 test_expect_success \
  55     'lines with intermediate spaces should be unchanged' '
  56     echo "$ttt$sss$ttt" >expect &&
  57     git stripspace <expect >actual &&
  58     test_cmp expect actual &&
  59
  60     echo "$ttt$sss$sss$ttt" >expect &&
  61     git stripspace <expect >actual &&
  62     test_cmp expect actual
  63 '
  64
  65 test_expect_success \
  66     'consecutive blank lines should be unified' '
  67     printf "$ttt\n\n$ttt\n" > expect &&
  68     printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  69     test_cmp expect actual &&
  70
  71     printf "$ttt$ttt\n\n$ttt\n" > expect &&
  72     printf "$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  73     test_cmp expect actual &&
  74
  75     printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
  76     printf "$ttt$ttt$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  77     test_cmp expect actual &&
  78
  79     printf "$ttt\n\n$ttt\n" > expect &&
  80     printf "$ttt\n\n\n\n\n$ttt\n" | git stripspace >actual &&
  81     test_cmp expect actual &&
  82
  83     printf "$ttt\n\n$ttt$ttt\n" > expect &&
  84     printf "$ttt\n\n\n\n\n$ttt$ttt\n" | git stripspace >actual &&
  85     test_cmp expect actual &&
  86
  87     printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
  88     printf "$ttt\n\n\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
  89     test_cmp expect actual &&
  90
  91     printf "$ttt\n\n$ttt\n" > expect &&
  92     printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
  93     test_cmp expect actual &&
  94
  95     printf "$ttt$ttt\n\n$ttt\n" > expect &&
  96     printf "$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
  97     test_cmp expect actual &&
  98
  99     printf "$ttt$ttt$ttt\n\n$ttt\n" > expect &&
 100     printf "$ttt$ttt$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
 101     test_cmp expect actual &&
 102
 103     printf "$ttt\n\n$ttt\n" > expect &&
 104     printf "$ttt\n\t\n \n\n  \t\t\n$ttt\n" | git stripspace >actual &&
 105     test_cmp expect actual &&
 106
 107     printf "$ttt\n\n$ttt$ttt\n" > expect &&
 108     printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt\n" | git stripspace >actual &&
 109     test_cmp expect actual &&
 110
 111     printf "$ttt\n\n$ttt$ttt$ttt\n" > expect &&
 112     printf "$ttt\n\t\n \n\n  \t\t\n$ttt$ttt$ttt\n" | git stripspace >actual &&
 113     test_cmp expect actual
 114 '
 115
 116 test_expect_success \
 117     'only consecutive blank lines should be completely removed' '
 118
 119     printf "\n" | git stripspace >actual &&
 120     test_must_be_empty actual &&
 121
 122     printf "\n\n\n" | git stripspace >actual &&
 123     test_must_be_empty actual &&
 124
 125     printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
 126     test_must_be_empty actual &&
 127
 128     printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
 129     test_must_be_empty actual &&
 130
 131     printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
 132     test_must_be_empty actual &&
 133
 134     printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
 135     test_must_be_empty actual &&
 136
 137     printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
 138     test_must_be_empty actual &&
 139
 140     printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
 141     test_must_be_empty actual
 142 '
 143
 144 test_expect_success \
 145     'consecutive blank lines at the beginning should be removed' '
 146     printf "$ttt\n" > expect &&
 147     printf "\n$ttt\n" | git stripspace >actual &&
 148     test_cmp expect actual &&
 149
 150     printf "$ttt\n" > expect &&
 151     printf "\n\n\n$ttt\n" | git stripspace >actual &&
 152     test_cmp expect actual &&
 153
 154     printf "$ttt$ttt\n" > expect &&
 155     printf "\n\n\n$ttt$ttt\n" | git stripspace >actual &&
 156     test_cmp expect actual &&
 157
 158     printf "$ttt$ttt$ttt\n" > expect &&
 159     printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
 160     test_cmp expect actual &&
 161
 162     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 163     printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual &&
 164     test_cmp expect actual &&
 165
 166     printf "$ttt\n" > expect &&
 167
 168     printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual &&
 169     test_cmp expect actual &&
 170
 171     printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual &&
 172     test_cmp expect actual &&
 173
 174     printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual &&
 175     test_cmp expect actual &&
 176
 177     printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual &&
 178     test_cmp expect actual &&
 179
 180     printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual &&
 181     test_cmp expect actual &&
 182
 183     printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual &&
 184     test_cmp expect actual
 185 '
 186
 187 test_expect_success \
 188     'consecutive blank lines at the end should be removed' '
 189     printf "$ttt\n" > expect &&
 190     printf "$ttt\n\n" | git stripspace >actual &&
 191     test_cmp expect actual &&
 192
 193     printf "$ttt\n" > expect &&
 194     printf "$ttt\n\n\n\n" | git stripspace >actual &&
 195     test_cmp expect actual &&
 196
 197     printf "$ttt$ttt\n" > expect &&
 198     printf "$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 199     test_cmp expect actual &&
 200
 201     printf "$ttt$ttt$ttt\n" > expect &&
 202     printf "$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 203     test_cmp expect actual &&
 204
 205     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 206     printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 207     test_cmp expect actual &&
 208
 209     printf "$ttt\n" > expect &&
 210
 211     printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual &&
 212     test_cmp expect actual &&
 213
 214     printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual &&
 215     test_cmp expect actual &&
 216
 217     printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual &&
 218     test_cmp expect actual &&
 219
 220     printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual &&
 221     test_cmp expect actual &&
 222
 223     printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual &&
 224     test_cmp expect actual &&
 225
 226     printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual &&
 227     test_cmp expect actual
 228 '
 229
 230 test_expect_success \
 231     'text without newline at end should end with newline' '
 232     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt" &&
 233     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt" &&
 234     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt$ttt" &&
 235     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt$ttt$ttt"
 236 '
 237
 238 # text plus spaces at the end:
 239
 240 test_expect_success \
 241     'text plus spaces without newline at end should end with newline' '
 242     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$sss" &&
 243     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt$sss" &&
 244     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt$ttt$sss" &&
 245     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$sss$sss" &&
 246     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$ttt$sss$sss" &&
 247     test_stdout_line_count -gt 0 printf_git_stripspace "$ttt$sss$sss$sss"
 248 '
 249
 250 test_expect_success \
 251     'text plus spaces without newline at end should not show spaces' '
 252     printf "$ttt$sss" | git stripspace >tmp &&
 253     ! grep "  " tmp >/dev/null &&
 254     printf "$ttt$ttt$sss" | git stripspace >tmp &&
 255     ! grep "  " tmp >/dev/null &&
 256     printf "$ttt$ttt$ttt$sss" | git stripspace >tmp &&
 257     ! grep "  " tmp >/dev/null &&
 258     printf "$ttt$sss$sss" | git stripspace >tmp &&
 259     ! grep "  " tmp >/dev/null &&
 260     printf "$ttt$ttt$sss$sss" | git stripspace >tmp &&
 261     ! grep "  " tmp >/dev/null &&
 262     printf "$ttt$sss$sss$sss" | git stripspace >tmp &&
 263     ! grep "  " tmp >/dev/null
 264 '
 265
 266 test_expect_success \
 267     'text plus spaces without newline should show the correct lines' '
 268     printf "$ttt\n" >expect &&
 269     printf "$ttt$sss" | git stripspace >actual &&
 270     test_cmp expect actual &&
 271
 272     printf "$ttt\n" >expect &&
 273     printf "$ttt$sss$sss" | git stripspace >actual &&
 274     test_cmp expect actual &&
 275
 276     printf "$ttt\n" >expect &&
 277     printf "$ttt$sss$sss$sss" | git stripspace >actual &&
 278     test_cmp expect actual &&
 279
 280     printf "$ttt$ttt\n" >expect &&
 281     printf "$ttt$ttt$sss" | git stripspace >actual &&
 282     test_cmp expect actual &&
 283
 284     printf "$ttt$ttt\n" >expect &&
 285     printf "$ttt$ttt$sss$sss" | git stripspace >actual &&
 286     test_cmp expect actual &&
 287
 288     printf "$ttt$ttt$ttt\n" >expect &&
 289     printf "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 290     test_cmp expect actual
 291 '
 292
 293 test_expect_success \
 294     'text plus spaces at end should not show spaces' '
 295     echo "$ttt$sss" | git stripspace >tmp &&
 296     ! grep "  " tmp >/dev/null &&
 297     echo "$ttt$ttt$sss" | git stripspace >tmp &&
 298     ! grep "  " tmp >/dev/null &&
 299     echo "$ttt$ttt$ttt$sss" | git stripspace >tmp &&
 300     ! grep "  " tmp >/dev/null &&
 301     echo "$ttt$sss$sss" | git stripspace >tmp &&
 302     ! grep "  " tmp >/dev/null &&
 303     echo "$ttt$ttt$sss$sss" | git stripspace >tmp &&
 304     ! grep "  " tmp >/dev/null &&
 305     echo "$ttt$sss$sss$sss" | git stripspace >tmp &&
 306     ! grep "  " tmp >/dev/null
 307 '
 308
 309 test_expect_success \
 310     'text plus spaces at end should be cleaned and newline must remain' '
 311     echo "$ttt" >expect &&
 312     echo "$ttt$sss" | git stripspace >actual &&
 313     test_cmp expect actual &&
 314
 315     echo "$ttt" >expect &&
 316     echo "$ttt$sss$sss" | git stripspace >actual &&
 317     test_cmp expect actual &&
 318
 319     echo "$ttt" >expect &&
 320     echo "$ttt$sss$sss$sss" | git stripspace >actual &&
 321     test_cmp expect actual &&
 322
 323     echo "$ttt$ttt" >expect &&
 324     echo "$ttt$ttt$sss" | git stripspace >actual &&
 325     test_cmp expect actual &&
 326
 327     echo "$ttt$ttt" >expect &&
 328     echo "$ttt$ttt$sss$sss" | git stripspace >actual &&
 329     test_cmp expect actual &&
 330
 331     echo "$ttt$ttt$ttt" >expect &&
 332     echo "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 333     test_cmp expect actual
 334 '
 335
 336 # spaces only:
 337
 338 test_expect_success \
 339     'spaces with newline at end should be replaced with empty string' '
 340     echo | git stripspace >actual &&
 341     test_must_be_empty actual &&
 342
 343     echo "$sss" | git stripspace >actual &&
 344     test_must_be_empty actual &&
 345
 346     echo "$sss$sss" | git stripspace >actual &&
 347     test_must_be_empty actual &&
 348
 349     echo "$sss$sss$sss" | git stripspace >actual &&
 350     test_must_be_empty actual &&
 351
 352     echo "$sss$sss$sss$sss" | git stripspace >actual &&
 353     test_must_be_empty actual
 354 '
 355
 356 test_expect_success \
 357     'spaces without newline at end should not show spaces' '
 358     printf "" | git stripspace >tmp &&
 359     ! grep " " tmp >/dev/null &&
 360     printf "$sss" | git stripspace >tmp &&
 361     ! grep " " tmp >/dev/null &&
 362     printf "$sss$sss" | git stripspace >tmp &&
 363     ! grep " " tmp >/dev/null &&
 364     printf "$sss$sss$sss" | git stripspace >tmp &&
 365     ! grep " " tmp >/dev/null &&
 366     printf "$sss$sss$sss$sss" | git stripspace >tmp &&
 367     ! grep " " tmp >/dev/null
 368 '
 369
 370 test_expect_success \
 371     'spaces without newline at end should be replaced with empty string' '
 372     printf "" | git stripspace >actual &&
 373     test_must_be_empty actual &&
 374
 375     printf "$sss$sss" | git stripspace >actual &&
 376     test_must_be_empty actual &&
 377
 378     printf "$sss$sss$sss" | git stripspace >actual &&
 379     test_must_be_empty actual &&
 380
 381     printf "$sss$sss$sss$sss" | git stripspace >actual &&
 382     test_must_be_empty actual
 383 '
 384
 385 test_expect_success \
 386     'consecutive text lines should be unchanged' '
 387     printf "$ttt$ttt\n$ttt\n" >expect &&
 388     printf "$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 389     test_cmp expect actual &&
 390
 391     printf "$ttt\n$ttt$ttt\n$ttt\n" >expect &&
 392     printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 393     test_cmp expect actual &&
 394
 395     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect &&
 396     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 397     test_cmp expect actual &&
 398
 399     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect &&
 400     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 401     test_cmp expect actual &&
 402
 403     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect &&
 404     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 405     test_cmp expect actual &&
 406
 407     printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect &&
 408     printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual &&
 409     test_cmp expect actual
 410 '
 411
 412 test_expect_success 'strip comments, too' '
 413         test ! -z "$(echo "# comment" | git stripspace)" &&
 414         test -z "$(echo "# comment" | git stripspace -s)"
 415 '
 416
 417 test_expect_success 'strip comments with changed comment char' '
 418         test ! -z "$(echo "; comment" | git -c core.commentchar=";" stripspace)" &&
 419         test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)"
 420 '
 421
 422 test_expect_success '-c with single line' '
 423         printf "# foo\n" >expect &&
 424         printf "foo" | git stripspace -c >actual &&
 425         test_cmp expect actual
 426 '
 427
 428 test_expect_success '-c with single line followed by empty line' '
 429         printf "# foo\n#\n" >expect &&
 430         printf "foo\n\n" | git stripspace -c >actual &&
 431         test_cmp expect actual
 432 '
 433
 434 test_expect_success '-c with newline only' '
 435         printf "#\n" >expect &&
 436         printf "\n" | git stripspace -c >actual &&
 437         test_cmp expect actual
 438 '
 439
 440 test_expect_success '--comment-lines with single line' '
 441         printf "# foo\n" >expect &&
 442         printf "foo" | git stripspace -c >actual &&
 443         test_cmp expect actual
 444 '
 445
 446 test_expect_success '-c with changed comment char' '
 447         printf "; foo\n" >expect &&
 448         printf "foo" | git -c core.commentchar=";" stripspace -c >actual &&
 449         test_cmp expect actual
 450 '
 451
 452 test_expect_success '-c with comment char defined in .git/config' '
 453         test_config core.commentchar = &&
 454         printf "= foo\n" >expect &&
 455         rm -fr sub &&
 456         mkdir sub &&
 457         printf "foo" | git -C sub stripspace -c >actual &&
 458         test_cmp expect actual
 459 '
 460
 461 test_expect_success '-c outside git repository' '
 462         printf "# foo\n" >expect &&
 463         printf "foo" | nongit git stripspace -c >actual &&
 464         test_cmp expect actual
 465 '
 466
 467 test_expect_success 'avoid SP-HT sequence in commented line' '
 468         printf "#\tone\n#\n# two\n" >expect &&
 469         printf "\tone\n\ntwo\n" | git stripspace -c >actual &&
 470         test_cmp expect actual
 471 '
 472
 473 test_done