t/t6115-rev-list-du.sh

   1 #!/bin/sh
   2
   3 test_description='basic tests of rev-list --disk-usage'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 # we want a mix of reachable and unreachable, as well as
   9 # objects in the bitmapped pack and some outside of it
  10 test_expect_success 'set up repository' '
  11         test_commit --no-tag one &&
  12         test_commit --no-tag two &&
  13         git repack -adb &&
  14         git reset --hard HEAD^ &&
  15         test_commit --no-tag three &&
  16         test_commit --no-tag four &&
  17         git reset --hard HEAD^
  18 '
  19
  20 # We don't want to hardcode sizes, because they depend on the exact details of
  21 # packing, zlib, etc. We'll assume that the regular rev-list and cat-file
  22 # machinery works and compare the --disk-usage output to that.
  23 disk_usage_slow () {
  24         git rev-list --no-object-names "$@" |
  25         git cat-file --batch-check="%(objectsize:disk)" |
  26         perl -lne '$total += $_; END { print $total}'
  27 }
  28
  29 # check behavior with given rev-list options; note that
  30 # whitespace is not preserved in args
  31 check_du () {
  32         args=$*
  33
  34         test_expect_success "generate expected size ($args)" "
  35                 disk_usage_slow $args >expect
  36         "
  37
  38         test_expect_success "rev-list --disk-usage without bitmaps ($args)" "
  39                 git rev-list --disk-usage $args >actual &&
  40                 test_cmp expect actual
  41         "
  42
  43         test_expect_success "rev-list --disk-usage with bitmaps ($args)" "
  44                 git rev-list --disk-usage --use-bitmap-index $args >actual &&
  45                 test_cmp expect actual
  46         "
  47 }
  48
  49 check_du HEAD
  50 check_du --objects HEAD
  51 check_du --objects HEAD^..HEAD
  52
  53 test_expect_success 'setup for --unpacked tests' '
  54         git repack -adb &&
  55         test_commit unpacked
  56 '
  57
  58 check_du --all --objects --unpacked
  59
  60 # As mentioned above, don't use hardcode sizes as actual size, but use the
  61 # output from git cat-file.
  62 test_expect_success 'rev-list --disk-usage=human' '
  63         git rev-list --objects HEAD --disk-usage=human >actual &&
  64         disk_usage_slow --objects HEAD >actual_size &&
  65         grep "$(cat actual_size) bytes" actual
  66 '
  67
  68 test_expect_success 'rev-list --disk-usage=human with bitmaps' '
  69         git rev-list --objects HEAD --use-bitmap-index --disk-usage=human >actual &&
  70         disk_usage_slow --objects HEAD >actual_size &&
  71         grep "$(cat actual_size) bytes" actual
  72 '
  73
  74 test_expect_success 'rev-list use --disk-usage unproperly' '
  75         test_must_fail git rev-list --objects HEAD --disk-usage=typo 2>err &&
  76         cat >expect <<-\EOF &&
  77         fatal: invalid value for '\''--disk-usage=<format>'\'': '\''typo'\'', the only allowed format is '\''human'\''
  78         EOF
  79         test_cmp err expect
  80 '
  81
  82 test_done