t4045: abstract away SHA-1-specific constants

diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 2f44f91193324c2a5ef3534481a3278e0357e239..a380419b65bdf1ecace4c23831e76bc8a7d81962 100755 (executable)
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -7,6 +7,7 @@ test_expect_success 'setup full repo' '
        mkdir full &&
        cd "$TRASH_DIRECTORY/full" &&
        git init &&
+       git config core.commitGraph true &&
        objdir=".git/objects"
 '
 
@@ -26,6 +27,29 @@ test_expect_success 'create commits and repack' '
        git repack
 '
 
+graph_git_two_modes() {
+       git -c core.graph=true $1 >output
+       git -c core.graph=false $1 >expect
+       test_cmp output expect
+}
+
+graph_git_behavior() {
+       MSG=$1
+       DIR=$2
+       BRANCH=$3
+       COMPARE=$4
+       test_expect_success "check normal git operations: $MSG" '
+               cd "$TRASH_DIRECTORY/$DIR" &&
+               graph_git_two_modes "log --oneline $BRANCH" &&
+               graph_git_two_modes "log --topo-order $BRANCH" &&
+               graph_git_two_modes "log --graph $COMPARE..$BRANCH" &&
+               graph_git_two_modes "branch -vv" &&
+               graph_git_two_modes "merge-base -a $BRANCH $COMPARE"
+       '
+}
+
+graph_git_behavior 'no graph' full commits/3 commits/1
+
 graph_read_expect() {
        OPTIONAL=""
        NUM_CHUNKS=3
@@ -50,6 +74,8 @@ test_expect_success 'write graph' '
        graph_read_expect "3"
 '
 
+graph_git_behavior 'graph exists' full commits/3 commits/1
+
 test_expect_success 'Add more commits' '
        cd "$TRASH_DIRECTORY/full" &&
        git reset --hard commits/1 &&
@@ -86,7 +112,6 @@ test_expect_success 'Add more commits' '
 # |___/____/
 # 1
 
-
 test_expect_success 'write graph with merges' '
        cd "$TRASH_DIRECTORY/full" &&
        git commit-graph write &&
@@ -94,6 +119,10 @@ test_expect_success 'write graph with merges' '
        graph_read_expect "10" "large_edges"
 '
 
+graph_git_behavior 'merge 1 vs 2' full merge/1 merge/2
+graph_git_behavior 'merge 1 vs 3' full merge/1 merge/3
+graph_git_behavior 'merge 2 vs 3' full merge/2 merge/3
+
 test_expect_success 'Add one more commit' '
        cd "$TRASH_DIRECTORY/full" &&
        test_commit 8 &&
@@ -115,6 +144,9 @@ test_expect_success 'Add one more commit' '
 # |___/____/
 # 1
 
+graph_git_behavior 'mixed mode, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'mixed mode, commit 8 vs merge 2' full commits/8 merge/2
+
 test_expect_success 'write graph with new commit' '
        cd "$TRASH_DIRECTORY/full" &&
        git commit-graph write &&
@@ -122,6 +154,9 @@ test_expect_success 'write graph with new commit' '
        graph_read_expect "11" "large_edges"
 '
 
+graph_git_behavior 'full graph, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'full graph, commit 8 vs merge 2' full commits/8 merge/2
+
 test_expect_success 'write graph with nothing new' '
        cd "$TRASH_DIRECTORY/full" &&
        git commit-graph write &&
@@ -129,13 +164,53 @@ test_expect_success 'write graph with nothing new' '
        graph_read_expect "11" "large_edges"
 '
 
+graph_git_behavior 'cleared graph, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'cleared graph, commit 8 vs merge 2' full commits/8 merge/2
+
+test_expect_success 'build graph from latest pack with closure' '
+       cd "$TRASH_DIRECTORY/full" &&
+       cat new-idx | git commit-graph write --stdin-packs &&
+       test_path_is_file $objdir/info/commit-graph &&
+       graph_read_expect "9" "large_edges"
+'
+
+graph_git_behavior 'graph from pack, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'graph from pack, commit 8 vs merge 2' full commits/8 merge/2
+
+test_expect_success 'build graph from commits with closure' '
+       cd "$TRASH_DIRECTORY/full" &&
+       git tag -a -m "merge" tag/merge merge/2 &&
+       git rev-parse tag/merge >commits-in &&
+       git rev-parse merge/1 >>commits-in &&
+       cat commits-in | git commit-graph write --stdin-commits &&
+       test_path_is_file $objdir/info/commit-graph &&
+       graph_read_expect "6"
+'
+
+graph_git_behavior 'graph from commits, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'graph from commits, commit 8 vs merge 2' full commits/8 merge/2
+
+test_expect_success 'build graph from commits with append' '
+       cd "$TRASH_DIRECTORY/full" &&
+       git rev-parse merge/3 | git commit-graph write --stdin-commits --append &&
+       test_path_is_file $objdir/info/commit-graph &&
+       graph_read_expect "10" "large_edges"
+'
+
+graph_git_behavior 'append graph, commit 8 vs merge 1' full commits/8 merge/1
+graph_git_behavior 'append graph, commit 8 vs merge 2' full commits/8 merge/2
+
 test_expect_success 'setup bare repo' '
        cd "$TRASH_DIRECTORY" &&
        git clone --bare --no-local full bare &&
        cd bare &&
+       git config core.commitGraph true &&
        baredir="./objects"
 '
 
+graph_git_behavior 'bare repo, commit 8 vs merge 1' bare commits/8 merge/1
+graph_git_behavior 'bare repo, commit 8 vs merge 2' bare commits/8 merge/2
+
 test_expect_success 'write graph in bare repo' '
        cd "$TRASH_DIRECTORY/bare" &&
        git commit-graph write &&
@@ -143,4 +218,7 @@ test_expect_success 'write graph in bare repo' '
        graph_read_expect "11" "large_edges"
 '
 
+graph_git_behavior 'bare repo with graph, commit 8 vs merge 1' bare commits/8 merge/1
+graph_git_behavior 'bare repo with graph, commit 8 vs merge 2' bare commits/8 merge/2
+
 test_done