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 "$ttt" >expect &&
  18     git stripspace <expect >actual &&
  19     git diff expect actual &&
  20
  21     echo "$ttt$ttt" >expect &&
  22     git stripspace <expect >actual &&
  23     git diff expect actual &&
  24
  25     echo "$ttt$ttt$ttt" >expect &&
  26     git stripspace <expect >actual &&
  27     git diff expect actual &&
  28
  29     echo "$ttt$ttt$ttt$ttt" >expect &&
  30     git stripspace <expect >actual &&
  31     git diff 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     git diff expect actual &&
  39
  40     echo "$sss$sss$ttt" >expect &&
  41     git stripspace <expect >actual &&
  42     git diff expect actual &&
  43
  44     echo "$sss$sss$sss$ttt" >expect &&
  45     git stripspace <expect >actual &&
  46     git diff expect actual
  47 '
  48
  49 test_expect_success \
  50     'lines with intermediate spaces should be unchanged' '
  51     echo "$ttt$sss$ttt" >expect &&
  52     git stripspace <expect >actual &&
  53     git diff expect actual &&
  54
  55     echo "$ttt$sss$sss$ttt" >expect &&
  56     git stripspace <expect >actual &&
  57     git diff 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     git diff 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     git diff 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     git diff 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     git diff 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     git diff 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     git diff expect actual
  85 '
  86
  87 test_expect_success \
  88     'consecutive blank lines at the beginning should be removed' '
  89     printf "" > expect &&
  90     printf "\n" | git stripspace >actual &&
  91     git diff expect actual &&
  92
  93     printf "" > expect &&
  94     printf "\n\n\n" | git stripspace >actual &&
  95     git diff expect actual &&
  96
  97     printf "" > expect &&
  98     printf "$sss\n$sss\n$sss\n" | git stripspace >actual &&
  99     git diff expect actual &&
 100
 101     printf "" > expect &&
 102     printf "$sss$sss\n$sss\n\n" | git stripspace >actual &&
 103     git diff expect actual &&
 104
 105     printf "" > expect &&
 106     printf "\n$sss\n$sss$sss\n" | git stripspace >actual &&
 107     git diff expect actual &&
 108
 109     printf "" > expect &&
 110     printf "$sss$sss$sss$sss\n\n\n" | git stripspace >actual &&
 111     git diff expect actual &&
 112
 113     printf "" > expect &&
 114     printf "\n$sss$sss$sss$sss\n\n" | git stripspace >actual &&
 115     git diff expect actual &&
 116
 117     printf "" > expect &&
 118     printf "\n\n$sss$sss$sss$sss\n" | git stripspace >actual &&
 119     git diff expect actual &&
 120
 121     printf "$ttt\n" > expect &&
 122     printf "\n$ttt\n" | git stripspace >actual &&
 123     git diff expect actual &&
 124
 125     printf "$ttt\n" > expect &&
 126     printf "\n\n\n$ttt\n" | git stripspace >actual &&
 127     git diff expect actual &&
 128
 129     printf "$ttt$ttt\n" > expect &&
 130     printf "\n\n\n$ttt$ttt\n" | git stripspace >actual &&
 131     git diff expect actual &&
 132
 133     printf "$ttt$ttt$ttt\n" > expect &&
 134     printf "\n\n\n$ttt$ttt$ttt\n" | git stripspace >actual &&
 135     git diff expect actual &&
 136
 137     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 138     printf "\n\n\n$ttt$ttt$ttt$ttt\n" | git stripspace >actual &&
 139     git diff expect actual &&
 140
 141     printf "$ttt\n" > expect &&
 142     printf "$sss\n$sss\n$sss\n$ttt\n" | git stripspace >actual &&
 143     git diff expect actual &&
 144
 145     printf "$ttt\n" > expect &&
 146     printf "\n$sss\n$sss$sss\n$ttt\n" | git stripspace >actual &&
 147     git diff expect actual &&
 148
 149     printf "$ttt\n" > expect &&
 150     printf "$sss$sss\n$sss\n\n$ttt\n" | git stripspace >actual &&
 151     git diff expect actual &&
 152
 153     printf "$ttt\n" > expect &&
 154     printf "$sss$sss$sss\n\n\n$ttt\n" | git stripspace >actual &&
 155     git diff expect actual &&
 156
 157     printf "$ttt\n" > expect &&
 158     printf "\n$sss$sss$sss\n\n$ttt\n" | git stripspace >actual &&
 159     git diff expect actual &&
 160
 161     printf "$ttt\n" > expect &&
 162     printf "\n\n$sss$sss$sss\n$ttt\n" | git stripspace >actual &&
 163     git diff expect actual
 164 '
 165
 166 test_expect_success \
 167     'consecutive blank lines at the end should be removed' '
 168     printf "$ttt\n" > expect &&
 169     printf "$ttt\n\n" | git stripspace >actual &&
 170     git diff expect actual &&
 171
 172     printf "$ttt\n" > expect &&
 173     printf "$ttt\n\n\n\n" | git stripspace >actual &&
 174     git diff expect actual &&
 175
 176     printf "$ttt$ttt\n" > expect &&
 177     printf "$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 178     git diff expect actual &&
 179
 180     printf "$ttt$ttt$ttt\n" > expect &&
 181     printf "$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 182     git diff expect actual &&
 183
 184     printf "$ttt$ttt$ttt$ttt\n" > expect &&
 185     printf "$ttt$ttt$ttt$ttt\n\n\n\n" | git stripspace >actual &&
 186     git diff expect actual &&
 187
 188     printf "$ttt\n" > expect &&
 189     printf "$ttt\n$sss\n$sss\n$sss\n" | git stripspace >actual &&
 190     git diff expect actual &&
 191
 192     printf "$ttt\n" > expect &&
 193     printf "$ttt\n\n$sss\n$sss$sss\n" | git stripspace >actual &&
 194     git diff expect actual &&
 195
 196     printf "$ttt\n" > expect &&
 197     printf "$ttt\n$sss$sss\n$sss\n\n" | git stripspace >actual &&
 198     git diff expect actual &&
 199
 200     printf "$ttt\n" > expect &&
 201     printf "$ttt\n$sss$sss$sss\n\n\n" | git stripspace >actual &&
 202     git diff expect actual &&
 203
 204     printf "$ttt\n" > expect &&
 205     printf "$ttt\n\n$sss$sss$sss\n\n" | git stripspace >actual &&
 206     git diff expect actual &&
 207
 208     printf "$ttt\n" > expect &&
 209     printf "$ttt\n\n\n$sss$sss$sss\n" | git stripspace >actual &&
 210     git diff expect actual
 211 '
 212
 213 test_expect_success \
 214     'text without newline at end should end with newline' '
 215     test `printf "$ttt" | git stripspace | wc -l` -gt 0 &&
 216     test `printf "$ttt$ttt" | git stripspace | wc -l` -gt 0 &&
 217     test `printf "$ttt$ttt$ttt" | git stripspace | wc -l` -gt 0 &&
 218     test `printf "$ttt$ttt$ttt$ttt" | git stripspace | wc -l` -gt 0
 219 '
 220
 221 # text plus spaces at the end:
 222
 223 test_expect_success \
 224     'text plus spaces without newline at end should end with newline' '
 225     test `printf "$ttt$sss" | git stripspace | wc -l` -gt 0 &&
 226     test `printf "$ttt$ttt$sss" | git stripspace | wc -l` -gt 0 &&
 227     test `printf "$ttt$ttt$ttt$sss" | git stripspace | wc -l` -gt 0
 228     test `printf "$ttt$sss$sss" | git stripspace | wc -l` -gt 0 &&
 229     test `printf "$ttt$ttt$sss$sss" | git stripspace | wc -l` -gt 0 &&
 230     test `printf "$ttt$sss$sss$sss" | git stripspace | wc -l` -gt 0
 231 '
 232
 233 test_expect_failure \
 234     'text plus spaces without newline at end should not show spaces' '
 235     printf "$ttt$sss" | git stripspace | grep -q "  " ||
 236     printf "$ttt$ttt$sss" | git stripspace | grep -q "  " ||
 237     printf "$ttt$ttt$ttt$sss" | git stripspace | grep -q "  " ||
 238     printf "$ttt$sss$sss" | git stripspace | grep -q "  " ||
 239     printf "$ttt$ttt$sss$sss" | git stripspace | grep -q "  " ||
 240     printf "$ttt$sss$sss$sss" | git stripspace | grep -q "  "
 241 '
 242
 243 test_expect_success \
 244     'text plus spaces without newline should show the correct lines' '
 245     printf "$ttt\n" >expect &&
 246     printf "$ttt$sss" | git stripspace >actual &&
 247     git diff expect actual &&
 248
 249     printf "$ttt\n" >expect &&
 250     printf "$ttt$sss$sss" | git stripspace >actual &&
 251     git diff expect actual &&
 252
 253     printf "$ttt\n" >expect &&
 254     printf "$ttt$sss$sss$sss" | git stripspace >actual &&
 255     git diff expect actual &&
 256
 257     printf "$ttt$ttt\n" >expect &&
 258     printf "$ttt$ttt$sss" | git stripspace >actual &&
 259     git diff expect actual &&
 260
 261     printf "$ttt$ttt\n" >expect &&
 262     printf "$ttt$ttt$sss$sss" | git stripspace >actual &&
 263     git diff expect actual &&
 264
 265     printf "$ttt$ttt$ttt\n" >expect &&
 266     printf "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 267     git diff expect actual
 268 '
 269
 270 test_expect_failure \
 271     'text plus spaces at end should not show spaces' '
 272     echo "$ttt$sss" | git stripspace | grep -q "  " ||
 273     echo "$ttt$ttt$sss" | git stripspace | grep -q "  " ||
 274     echo "$ttt$ttt$ttt$sss" | git stripspace | grep -q "  " ||
 275     echo "$ttt$sss$sss" | git stripspace | grep -q "  " ||
 276     echo "$ttt$ttt$sss$sss" | git stripspace | grep -q "  " ||
 277     echo "$ttt$sss$sss$sss" | git stripspace | grep -q "  "
 278 '
 279
 280 test_expect_success \
 281     'text plus spaces at end should be cleaned and newline must remain' '
 282     echo "$ttt" >expect &&
 283     echo "$ttt$sss" | git stripspace >actual &&
 284     git diff expect actual &&
 285
 286     echo "$ttt" >expect &&
 287     echo "$ttt$sss$sss" | git stripspace >actual &&
 288     git diff expect actual &&
 289
 290     echo "$ttt" >expect &&
 291     echo "$ttt$sss$sss$sss" | git stripspace >actual &&
 292     git diff expect actual &&
 293
 294     echo "$ttt$ttt" >expect &&
 295     echo "$ttt$ttt$sss" | git stripspace >actual &&
 296     git diff expect actual &&
 297
 298     echo "$ttt$ttt" >expect &&
 299     echo "$ttt$ttt$sss$sss" | git stripspace >actual &&
 300     git diff expect actual &&
 301
 302     echo "$ttt$ttt$ttt" >expect &&
 303     echo "$ttt$ttt$ttt$sss" | git stripspace >actual &&
 304     git diff expect actual
 305 '
 306
 307 # spaces only:
 308
 309 test_expect_success \
 310     'spaces with newline at end should be replaced with empty string' '
 311     printf "" >expect &&
 312
 313     echo | git stripspace >actual &&
 314     git diff expect actual &&
 315
 316     echo "$sss" | git stripspace >actual &&
 317     git diff expect actual &&
 318
 319     echo "$sss$sss" | git stripspace >actual &&
 320     git diff expect actual &&
 321
 322     echo "$sss$sss$sss" | git stripspace >actual &&
 323     git diff expect actual &&
 324
 325     echo "$sss$sss$sss$sss" | git stripspace >actual &&
 326     git diff expect actual
 327 '
 328
 329 test_expect_failure \
 330     'spaces without newline at end should not show spaces' '
 331     printf "" | git stripspace | grep -q " " ||
 332     printf "$sss" | git stripspace | grep -q " " ||
 333     printf "$sss$sss" | git stripspace | grep -q " " ||
 334     printf "$sss$sss$sss" | git stripspace | grep -q " " ||
 335     printf "$sss$sss$sss$sss" | git stripspace | grep -q " "
 336 '
 337
 338 test_expect_success \
 339     'spaces without newline at end should be replaced with empty string' '
 340     printf "" >expect &&
 341
 342     printf "" | git stripspace >actual &&
 343     git diff expect actual
 344
 345     printf "$sss$sss" | git stripspace >actual &&
 346     git diff expect actual
 347
 348     printf "$sss$sss$sss" | git stripspace >actual &&
 349     git diff expect actual
 350
 351     printf "$sss$sss$sss$sss" | git stripspace >actual &&
 352     git diff expect actual
 353 '
 354
 355 test_done