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     > expect &&
 114
 115     printf "\n" | git stripspace >actual &&
 116     test_cmp expect actual &&
 117
 118     printf "\n\n\n" | git stripspace >actual &&
 119     test_cmp expect actual &&
 120
 121     printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
 122     test_cmp expect actual &&
 123
 124     printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
 125     test_cmp expect actual &&
 126
 127     printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
 128     test_cmp expect actual &&
 129
 130     printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
 131     test_cmp expect actual &&
 132
 133     printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
 134     test_cmp expect actual &&
 135
 136     printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
 137     test_cmp expect actual
 138 '
 139
 140 test_expect_success \
 141     'consecutive blank lines at the beginning should be removed' '
 142     printf "$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$sss" | git stripspace >actual &&
 317     test_cmp expect actual
 318 '
 319
 320 # spaces only:
 321
 322 test_expect_success \
 323     'spaces with newline at end should be replaced with empty string' '
 324     printf "" >expect &&
 325
 326     echo | git stripspace >actual &&
 327     test_cmp expect actual &&
 328
 329     echo "$sss" | git stripspace >actual &&
 330     test_cmp expect actual &&
 331
 332     echo "$sss$sss" | git stripspace >actual &&
 333     test_cmp expect actual &&
 334
 335     echo "$sss$sss$sss" | git stripspace >actual &&
 336     test_cmp expect actual &&
 337
 338     echo "$sss$sss$sss$sss" | git stripspace >actual &&
 339     test_cmp expect actual
 340 '
 341
 342 test_expect_success \
 343     'spaces without newline at end should not show spaces' '
 344     ! (printf "" | git stripspace | grep " " >/dev/null) &&
 345     ! (printf "$sss" | git stripspace | grep " " >/dev/null) &&
 346     ! (printf "$sss$sss" | git stripspace | grep " " >/dev/null) &&
 347     ! (printf "$sss$sss$sss" | git stripspace | grep " " >/dev/null) &&
 348     ! (printf "$sss$sss$sss$sss" | git stripspace | grep " " >/dev/null)
 349 '
 350
 351 test_expect_success \
 352     'spaces without newline at end should be replaced with empty string' '
 353     printf "" >expect &&
 354
 355     printf "" | git stripspace >actual &&
 356     test_cmp expect actual &&
 357
 358     printf "$sss$sss" | git stripspace >actual &&
 359     test_cmp expect actual &&
 360
 361     printf "$sss$sss$sss" | git stripspace >actual &&
 362     test_cmp expect actual &&
 363
 364     printf "$sss$sss$sss$sss" | git stripspace >actual &&
 365     test_cmp expect actual
 366 '
 367
 368 test_expect_success \
 369     'consecutive text lines should be unchanged' '
 370     printf "$ttt$ttt\n$ttt\n" >expect &&
 371     printf "$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 372     test_cmp expect actual &&
 373
 374     printf "$ttt\n$ttt$ttt\n$ttt\n" >expect &&
 375     printf "$ttt\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 376     test_cmp expect actual &&
 377
 378     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" >expect &&
 379     printf "$ttt\n$ttt\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 380     test_cmp expect actual &&
 381
 382     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" >expect &&
 383     printf "$ttt\n$ttt\n\n$ttt$ttt\n$ttt\n" | git stripspace >actual &&
 384     test_cmp expect actual &&
 385
 386     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" >expect &&
 387     printf "$ttt$ttt\n\n$ttt\n$ttt$ttt\n" | git stripspace >actual &&
 388     test_cmp expect actual &&
 389
 390     printf "$ttt\n$ttt$ttt\n\n$ttt\n" >expect &&
 391     printf "$ttt\n$ttt$ttt\n\n$ttt\n" | git stripspace >actual &&
 392     test_cmp expect actual
 393 '
 394
 395 test_expect_success 'strip comments, too' '
 396         test ! -z "$(echo "# comment" | git stripspace)" &&
 397         test -z "$(echo "# comment" | git stripspace -s)"
 398 '
 399
 400 test_expect_success 'strip comments with changed comment char' '
 401         test ! -z "$(echo "; comment" | git -c core.commentchar=";" stripspace)" &&
 402         test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)"
 403 '
 404
 405 test_expect_success '-c with single line' '
 406         printf "# foo\n" >expect &&
 407         printf "foo" | git stripspace -c >actual &&
 408         test_cmp expect actual
 409 '
 410
 411 test_expect_success '-c with single line followed by empty line' '
 412         printf "# foo\n#\n" >expect &&
 413         printf "foo\n\n" | git stripspace -c >actual &&
 414         test_cmp expect actual
 415 '
 416
 417 test_expect_success '-c with newline only' '
 418         printf "#\n" >expect &&
 419         printf "\n" | git stripspace -c >actual &&
 420         test_cmp expect actual
 421 '
 422
 423 test_expect_success '--comment-lines with single line' '
 424         printf "# foo\n" >expect &&
 425         printf "foo" | git stripspace -c >actual &&
 426         test_cmp expect actual
 427 '
 428
 429 test_expect_success '-c with changed comment char' '
 430         printf "; foo\n" >expect &&
 431         printf "foo" | git -c core.commentchar=";" stripspace -c >actual &&
 432         test_cmp expect actual
 433 '
 434
 435 test_expect_success 'avoid SP-HT sequence in commented line' '
 436         printf "#\tone\n#\n# two\n" >expect &&
 437         printf "\tone\n\ntwo\n" | git stripspace -c >actual &&
 438         test_cmp expect actual
 439 '
 440
 441 test_done