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