t / t4061-diff-indent.shon commit Merge branch 'rs/no-null-ptr-arith-in-fast-export' (bef896e)
   1#!/bin/sh
   2
   3test_description='Test diff indent heuristic.
   4
   5'
   6. ./test-lib.sh
   7. "$TEST_DIRECTORY"/diff-lib.sh
   8
   9# Compare two diff outputs. Ignore "index" lines, because we don't
  10# care about SHA-1s or file modes.
  11compare_diff () {
  12        sed -e "/^index /d" <"$1" >.tmp-1
  13        sed -e "/^index /d" <"$2" >.tmp-2
  14        test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
  15}
  16
  17# Compare blame output using the expectation for a diff as reference.
  18# Only look for the lines coming from non-boundary commits.
  19compare_blame () {
  20        sed -n -e "1,4d" -e "s/^\+//p" <"$1" >.tmp-1
  21        sed -ne "s/^[^^][^)]*) *//p" <"$2" >.tmp-2
  22        test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
  23}
  24
  25test_expect_success 'prepare' '
  26        cat <<-\EOF >spaces.txt &&
  27        1
  28        2
  29        a
  30
  31        b
  32        3
  33        4
  34        EOF
  35
  36        cat <<-\EOF >functions.c &&
  37        1
  38        2
  39        /* function */
  40        foo() {
  41            foo
  42        }
  43
  44        3
  45        4
  46        EOF
  47
  48        git add spaces.txt functions.c &&
  49        test_tick &&
  50        git commit -m initial &&
  51        git branch old &&
  52
  53        cat <<-\EOF >spaces.txt &&
  54        1
  55        2
  56        a
  57
  58        b
  59        a
  60
  61        b
  62        3
  63        4
  64        EOF
  65
  66        cat <<-\EOF >functions.c &&
  67        1
  68        2
  69        /* function */
  70        bar() {
  71            foo
  72        }
  73
  74        /* function */
  75        foo() {
  76            foo
  77        }
  78
  79        3
  80        4
  81        EOF
  82
  83        git add spaces.txt functions.c &&
  84        test_tick &&
  85        git commit -m initial &&
  86        git branch new &&
  87
  88        tr "_" " " <<-\EOF >spaces-expect &&
  89        diff --git a/spaces.txt b/spaces.txt
  90        --- a/spaces.txt
  91        +++ b/spaces.txt
  92        @@ -3,5 +3,8 @@
  93         a
  94        _
  95         b
  96        +a
  97        +
  98        +b
  99         3
 100         4
 101        EOF
 102
 103        tr "_" " " <<-\EOF >spaces-compacted-expect &&
 104        diff --git a/spaces.txt b/spaces.txt
 105        --- a/spaces.txt
 106        +++ b/spaces.txt
 107        @@ -2,6 +2,9 @@
 108         2
 109         a
 110        _
 111        +b
 112        +a
 113        +
 114         b
 115         3
 116         4
 117        EOF
 118
 119        tr "_" " " <<-\EOF >functions-expect &&
 120        diff --git a/functions.c b/functions.c
 121        --- a/functions.c
 122        +++ b/functions.c
 123        @@ -1,6 +1,11 @@
 124         1
 125         2
 126         /* function */
 127        +bar() {
 128        +    foo
 129        +}
 130        +
 131        +/* function */
 132         foo() {
 133             foo
 134         }
 135        EOF
 136
 137        tr "_" " " <<-\EOF >functions-compacted-expect
 138        diff --git a/functions.c b/functions.c
 139        --- a/functions.c
 140        +++ b/functions.c
 141        @@ -1,5 +1,10 @@
 142         1
 143         2
 144        +/* function */
 145        +bar() {
 146        +    foo
 147        +}
 148        +
 149         /* function */
 150         foo() {
 151             foo
 152        EOF
 153'
 154
 155# --- diff tests ----------------------------------------------------------
 156
 157test_expect_success 'diff: ugly spaces' '
 158        git diff --no-indent-heuristic old new -- spaces.txt >out &&
 159        compare_diff spaces-expect out
 160'
 161
 162test_expect_success 'diff: --no-indent-heuristic overrides config' '
 163        git -c diff.indentHeuristic=true diff --no-indent-heuristic old new -- spaces.txt >out2 &&
 164        compare_diff spaces-expect out2
 165'
 166
 167test_expect_success 'diff: nice spaces with --indent-heuristic' '
 168        git -c diff.indentHeuristic=false diff --indent-heuristic old new -- spaces.txt >out-compacted &&
 169        compare_diff spaces-compacted-expect out-compacted
 170'
 171
 172test_expect_success 'diff: nice spaces with diff.indentHeuristic=true' '
 173        git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 &&
 174        compare_diff spaces-compacted-expect out-compacted2
 175'
 176
 177test_expect_success 'diff: --indent-heuristic with --patience' '
 178        git diff --indent-heuristic --patience old new -- spaces.txt >out-compacted3 &&
 179        compare_diff spaces-compacted-expect out-compacted3
 180'
 181
 182test_expect_success 'diff: --indent-heuristic with --histogram' '
 183        git diff --indent-heuristic --histogram old new -- spaces.txt >out-compacted4 &&
 184        compare_diff spaces-compacted-expect out-compacted4
 185'
 186
 187test_expect_success 'diff: ugly functions' '
 188        git diff --no-indent-heuristic old new -- functions.c >out &&
 189        compare_diff functions-expect out
 190'
 191
 192test_expect_success 'diff: nice functions with --indent-heuristic' '
 193        git diff --indent-heuristic old new -- functions.c >out-compacted &&
 194        compare_diff functions-compacted-expect out-compacted
 195'
 196
 197# --- blame tests ---------------------------------------------------------
 198
 199test_expect_success 'blame: nice spaces with --indent-heuristic' '
 200        git blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted &&
 201        compare_blame spaces-compacted-expect out-blame-compacted
 202'
 203
 204test_expect_success 'blame: nice spaces with diff.indentHeuristic=true' '
 205        git -c diff.indentHeuristic=true blame old..new -- spaces.txt >out-blame-compacted2 &&
 206        compare_blame spaces-compacted-expect out-blame-compacted2
 207'
 208
 209test_expect_success 'blame: ugly spaces with --no-indent-heuristic' '
 210        git blame --no-indent-heuristic old..new -- spaces.txt >out-blame &&
 211        compare_blame spaces-expect out-blame
 212'
 213
 214test_expect_success 'blame: ugly spaces with diff.indentHeuristic=false' '
 215        git -c diff.indentHeuristic=false blame old..new -- spaces.txt >out-blame2 &&
 216        compare_blame spaces-expect out-blame2
 217'
 218
 219test_expect_success 'blame: --no-indent-heuristic overrides config' '
 220        git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame3 &&
 221        git blame old..new -- spaces.txt >out-blame &&
 222        compare_blame spaces-expect out-blame3
 223'
 224
 225test_expect_success 'blame: --indent-heuristic overrides config' '
 226        git -c diff.indentHeuristic=false blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted3 &&
 227        compare_blame spaces-compacted-expect out-blame-compacted2
 228'
 229
 230# --- diff-tree tests -----------------------------------------------------
 231
 232test_expect_success 'diff-tree: nice spaces with --indent-heuristic' '
 233        git diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted &&
 234        compare_diff spaces-compacted-expect out-diff-tree-compacted
 235'
 236
 237test_expect_success 'diff-tree: nice spaces with diff.indentHeuristic=true' '
 238        git -c diff.indentHeuristic=true diff-tree -p old new -- spaces.txt >out-diff-tree-compacted2 &&
 239        compare_diff spaces-compacted-expect out-diff-tree-compacted2
 240'
 241
 242test_expect_success 'diff-tree: ugly spaces with --no-indent-heuristic' '
 243        git diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree &&
 244        compare_diff spaces-expect out-diff-tree
 245'
 246
 247test_expect_success 'diff-tree: ugly spaces with diff.indentHeuristic=false' '
 248        git -c diff.indentHeuristic=false diff-tree -p old new -- spaces.txt >out-diff-tree2 &&
 249        compare_diff spaces-expect out-diff-tree2
 250'
 251
 252test_expect_success 'diff-tree: --indent-heuristic overrides config' '
 253        git -c diff.indentHeuristic=false diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted3 &&
 254        compare_diff spaces-compacted-expect out-diff-tree-compacted3
 255'
 256
 257test_expect_success 'diff-tree: --no-indent-heuristic overrides config' '
 258        git -c diff.indentHeuristic=true diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree3 &&
 259        compare_diff spaces-expect out-diff-tree3
 260'
 261
 262# --- diff-index tests ----------------------------------------------------
 263
 264test_expect_success 'diff-index: nice spaces with --indent-heuristic' '
 265        git checkout -B diff-index &&
 266        git reset --soft HEAD~ &&
 267        git diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted &&
 268        compare_diff spaces-compacted-expect out-diff-index-compacted &&
 269        git checkout -f master
 270'
 271
 272test_expect_success 'diff-index: nice spaces with diff.indentHeuristic=true' '
 273        git checkout -B diff-index &&
 274        git reset --soft HEAD~ &&
 275        git -c diff.indentHeuristic=true diff-index -p old -- spaces.txt >out-diff-index-compacted2 &&
 276        compare_diff spaces-compacted-expect out-diff-index-compacted2 &&
 277        git checkout -f master
 278'
 279
 280test_expect_success 'diff-index: ugly spaces with --no-indent-heuristic' '
 281        git checkout -B diff-index &&
 282        git reset --soft HEAD~ &&
 283        git diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index &&
 284        compare_diff spaces-expect out-diff-index &&
 285        git checkout -f master
 286'
 287
 288test_expect_success 'diff-index: ugly spaces with diff.indentHeuristic=false' '
 289        git checkout -B diff-index &&
 290        git reset --soft HEAD~ &&
 291        git -c diff.indentHeuristic=false diff-index -p old -- spaces.txt >out-diff-index2 &&
 292        compare_diff spaces-expect out-diff-index2 &&
 293        git checkout -f master
 294'
 295
 296test_expect_success 'diff-index: --indent-heuristic overrides config' '
 297        git checkout -B diff-index &&
 298        git reset --soft HEAD~ &&
 299        git -c diff.indentHeuristic=false diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted3 &&
 300        compare_diff spaces-compacted-expect out-diff-index-compacted3 &&
 301        git checkout -f master
 302'
 303
 304test_expect_success 'diff-index: --no-indent-heuristic overrides config' '
 305        git checkout -B diff-index &&
 306        git reset --soft HEAD~ &&
 307        git -c diff.indentHeuristic=true diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index3 &&
 308        compare_diff spaces-expect out-diff-index3 &&
 309        git checkout -f master
 310'
 311
 312# --- diff-files tests ----------------------------------------------------
 313
 314test_expect_success 'diff-files: nice spaces with --indent-heuristic' '
 315        git checkout -B diff-files &&
 316        git reset HEAD~ &&
 317        git diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw &&
 318        grep -v index out-diff-files-raw >out-diff-files-compacted &&
 319        compare_diff spaces-compacted-expect out-diff-files-compacted &&
 320        git checkout -f master
 321'
 322
 323test_expect_success 'diff-files: nice spaces with diff.indentHeuristic=true' '
 324        git checkout -B diff-files &&
 325        git reset HEAD~ &&
 326        git -c diff.indentHeuristic=true diff-files -p spaces.txt >out-diff-files-raw2 &&
 327        grep -v index out-diff-files-raw2 >out-diff-files-compacted2 &&
 328        compare_diff spaces-compacted-expect out-diff-files-compacted2 &&
 329        git checkout -f master
 330'
 331
 332test_expect_success 'diff-files: ugly spaces with --no-indent-heuristic' '
 333        git checkout -B diff-files &&
 334        git reset HEAD~ &&
 335        git diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw &&
 336        grep -v index out-diff-files-raw >out-diff-files &&
 337        compare_diff spaces-expect out-diff-files &&
 338        git checkout -f master
 339'
 340
 341test_expect_success 'diff-files: ugly spaces with diff.indentHeuristic=false' '
 342        git checkout -B diff-files &&
 343        git reset HEAD~ &&
 344        git -c diff.indentHeuristic=false diff-files -p spaces.txt >out-diff-files-raw2 &&
 345        grep -v index out-diff-files-raw2 >out-diff-files &&
 346        compare_diff spaces-expect out-diff-files &&
 347        git checkout -f master
 348'
 349
 350test_expect_success 'diff-files: --indent-heuristic overrides config' '
 351        git checkout -B diff-files &&
 352        git reset HEAD~ &&
 353        git -c diff.indentHeuristic=false diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw3 &&
 354        grep -v index out-diff-files-raw3 >out-diff-files-compacted &&
 355        compare_diff spaces-compacted-expect out-diff-files-compacted &&
 356        git checkout -f master
 357'
 358
 359test_expect_success 'diff-files: --no-indent-heuristic overrides config' '
 360        git checkout -B diff-files &&
 361        git reset HEAD~ &&
 362        git -c diff.indentHeuristic=true diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw4 &&
 363        grep -v index out-diff-files-raw4 >out-diff-files &&
 364        compare_diff spaces-expect out-diff-files &&
 365        git checkout -f master
 366'
 367
 368test_done