Andrew's git - gitweb.git/blob - t/t0030-stripspace.sh

   1#!/bin/sh
   2#
   3# Copyright (c) 2007 Carlos Rica
   4#
   5
   6test_description='git stripspace'
   7
   8. ./test-lib.sh
   9
  10t40='A quick brown fox jumps over the lazy do'
  11s40='                                        '
  12sss="$s40$s40$s40$s40$s40$s40$s40$s40$s40$s40" # 400
  13ttt="$t40$t40$t40$t40$t40$t40$t40$t40$t40$t40" # 400
  14
  15test_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
  34test_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$ttt" >expect &&
  45    git stripspace <expect >actual &&
  46    test_cmp expect actual
  47'
  48
  49test_expect_success \
  50    'lines with intermediate spaces should be unchanged' '
  51    echo "$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
  60test_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
 111test_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$sss\n" | git stripspace >actual &&
 136    test_must_be_empty actual
 137'
 138
 139test_expect_success \
 140    'consecutive blank lines at the beginning should be removed' '
 141    printf "$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
 182test_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
 225test_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
 235test_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$sss" | git stripspace | wc -l) -gt 0
 243'
 244
 245test_expect_success \
 246    'text plus spaces without newline at end should not show spaces' '
 247    ! (printf "$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$sss" | git stripspace | grep "  " >/dev/null)
 253'
 254
 255test_expect_success \
 256    'text plus spaces without newline should show the correct lines' '
 257    printf "$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$sss" | git stripspace >actual &&
 279    test_cmp expect actual
 280'
 281
 282test_expect_success \
 283    'text plus spaces at end should not show spaces' '
 284    ! (echo "$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$sss" | git stripspace | grep "  " >/dev/null)
 290'
 291
 292test_expect_success \
 293    'text plus spaces at end should be cleaned and newline must remain' '
 294    echo "$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$sss" | git stripspace >actual &&
 316    test_cmp expect actual
 317'
 318
 319# spaces only:
 320
 321test_expect_success \
 322    'spaces with newline at end should be replaced with empty string' '
 323    echo | git stripspace >actual &&
 324    test_must_be_empty actual &&
 325
 326    echo "$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$sss" | git stripspace >actual &&
 336    test_must_be_empty actual
 337'
 338
 339test_expect_success \
 340    'spaces without newline at end should not show spaces' '
 341    ! (printf "" | git stripspace | grep " " >/dev/null) &&
 342    ! (printf "$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$sss" | git stripspace | grep " " >/dev/null)
 346'
 347
 348test_expect_success \
 349    'spaces without newline at end should be replaced with empty string' '
 350    printf "" | git stripspace >actual &&
 351    test_must_be_empty actual &&
 352
 353    printf "$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
 363test_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
 390test_expect_success 'strip comments, too' '
 391        test ! -z "$(echo "# comment" | git stripspace)" &&
 392        test -z "$(echo "# comment" | git stripspace -s)"
 393'
 394
 395test_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
 400test_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
 406test_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
 412test_expect_success '-c with newline only' '
 413        printf "#\n" >expect &&
 414        printf "\n" | git stripspace -c >actual &&
 415        test_cmp expect actual
 416'
 417
 418test_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
 424test_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
 430test_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
 439test_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
 445test_done