t/lib-parallel-checkout.sh

   1 # Helpers for tests invoking parallel-checkout
   2
   3 # Parallel checkout tests need full control of the number of workers
   4 unset GIT_TEST_CHECKOUT_WORKERS
   5
   6 set_checkout_config () {
   7         if test $# -ne 2
   8         then
   9                 BUG "usage: set_checkout_config <workers> <threshold>"
  10         fi &&
  11
  12         test_config_global checkout.workers $1 &&
  13         test_config_global checkout.thresholdForParallelism $2
  14 }
  15
  16 # Run "${@:2}" and check that $1 checkout workers were used
  17 test_checkout_workers () {
  18         if test $# -lt 2
  19         then
  20                 BUG "too few arguments to test_checkout_workers"
  21         fi &&
  22
  23         local expected_workers="$1" &&
  24         shift &&
  25
  26         local trace_file=trace-test-checkout-workers &&
  27         rm -f "$trace_file" &&
  28         (
  29                 GIT_TRACE2="$(pwd)/$trace_file" &&
  30                 export GIT_TRACE2 &&
  31                 "$@" 2>&8
  32         ) &&
  33
  34         local workers="$(grep "child_start\[..*\] git checkout--worker" "$trace_file" | wc -l)" &&
  35         test $workers -eq $expected_workers &&
  36         rm "$trace_file"
  37 } 8>&2 2>&4
  38
  39 # Verify that both the working tree and the index were created correctly
  40 verify_checkout () {
  41         if test $# -ne 1
  42         then
  43                 BUG "usage: verify_checkout <repository path>"
  44         fi &&
  45
  46         git -C "$1" diff-index --ignore-submodules=none --exit-code HEAD -- &&
  47         git -C "$1" status --porcelain >"$1".status &&
  48         test_must_be_empty "$1".status
  49 }