t/lib-commit-graph.sh

   1 #!/bin/sh
   2
   3 # Helper functions for testing commit-graphs.
   4
   5 # Initialize OID cache with oid_version
   6 test_oid_cache <<-EOF
   7 oid_version sha1:1
   8 oid_version sha256:2
   9 EOF
  10
  11 graph_git_two_modes() {
  12         git -c core.commitGraph=true $1 >output &&
  13         git -c core.commitGraph=false $1 >expect &&
  14         test_cmp expect output
  15 }
  16
  17 graph_git_behavior() {
  18         MSG=$1
  19         DIR=$2
  20         BRANCH=$3
  21         COMPARE=$4
  22         test_expect_success "check normal git operations: $MSG" '
  23                 cd "$TRASH_DIRECTORY/$DIR" &&
  24                 graph_git_two_modes "log --oneline $BRANCH" &&
  25                 graph_git_two_modes "log --topo-order $BRANCH" &&
  26                 graph_git_two_modes "log --graph $COMPARE..$BRANCH" &&
  27                 graph_git_two_modes "branch -vv" &&
  28                 graph_git_two_modes "merge-base -a $BRANCH $COMPARE"
  29         '
  30 }
  31
  32 graph_read_expect() {
  33         OPTIONAL=""
  34         NUM_CHUNKS=3
  35         if test -n "$2"
  36         then
  37                 OPTIONAL=" $2"
  38                 NUM_CHUNKS=$((3 + $(echo "$2" | wc -w)))
  39         fi
  40         GENERATION_VERSION=2
  41         if test -n "$3"
  42         then
  43                 GENERATION_VERSION=$3
  44         fi
  45         OPTIONS=
  46         if test $GENERATION_VERSION -gt 1
  47         then
  48                 OPTIONS=" read_generation_data"
  49         fi
  50         cat >expect <<- EOF
  51         header: 43475048 1 $(test_oid oid_version) $NUM_CHUNKS 0
  52         num_commits: $1
  53         chunks: oid_fanout oid_lookup commit_metadata$OPTIONAL
  54         options:$OPTIONS
  55         EOF
  56         test-tool read-graph >output &&
  57         test_cmp expect output
  58 }