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Diffstat (limited to 't/t6600-test-reach.sh')
| -rwxr-xr-x | t/t6600-test-reach.sh | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/t/t6600-test-reach.sh b/t/t6600-test-reach.sh new file mode 100755 index 0000000..d139a00 --- /dev/null +++ b/t/t6600-test-reach.sh @@ -0,0 +1,242 @@ +#!/bin/sh + +test_description='basic commit reachability tests' + +. ./test-lib.sh + +# Construct a grid-like commit graph with points (x,y) +# with 1 <= x <= 10, 1 <= y <= 10, where (x,y) has +# parents (x-1, y) and (x, y-1), keeping in mind that +# we drop a parent if a coordinate is nonpositive. +# +# (10,10) +# / \ +# (10,9) (9,10) +# / \ / \ +# (10,8) (9,9) (8,10) +# / \ / \ / \ +# ( continued...) +# \ / \ / \ / +# (3,1) (2,2) (1,3) +# \ / \ / +# (2,1) (2,1) +# \ / +# (1,1) +# +# We use branch 'commit-x-y' to refer to (x,y). +# This grid allows interesting reachability and +# non-reachability queries: (x,y) can reach (x',y') +# if and only if x' <= x and y' <= y. +test_expect_success 'setup' ' + for i in $(test_seq 1 10) + do + test_commit "1-$i" && + git branch -f commit-1-$i + done && + for j in $(test_seq 1 9) + do + git reset --hard commit-$j-1 && + x=$(($j + 1)) && + test_commit "$x-1" && + git branch -f commit-$x-1 && + + for i in $(test_seq 2 10) + do + git merge commit-$j-$i -m "$x-$i" && + git branch -f commit-$x-$i + done + done && + git commit-graph write --reachable && + mv .git/objects/info/commit-graph commit-graph-full && + git show-ref -s commit-5-5 | git commit-graph write --stdin-commits && + mv .git/objects/info/commit-graph commit-graph-half && + git config core.commitGraph true +' + +test_three_modes () { + test_when_finished rm -rf .git/objects/info/commit-graph && + test-tool reach $1 <input >actual && + test_cmp expect actual && + cp commit-graph-full .git/objects/info/commit-graph && + test-tool reach $1 <input >actual && + test_cmp expect actual && + cp commit-graph-half .git/objects/info/commit-graph && + test-tool reach $1 <input >actual && + test_cmp expect actual +} + +test_expect_success 'ref_newer:miss' ' + cat >input <<-\EOF && + A:commit-5-7 + B:commit-4-9 + EOF + echo "ref_newer(A,B):0" >expect && + test_three_modes ref_newer +' + +test_expect_success 'ref_newer:hit' ' + cat >input <<-\EOF && + A:commit-5-7 + B:commit-2-3 + EOF + echo "ref_newer(A,B):1" >expect && + test_three_modes ref_newer +' + +test_expect_success 'in_merge_bases:hit' ' + cat >input <<-\EOF && + A:commit-5-7 + B:commit-8-8 + EOF + echo "in_merge_bases(A,B):1" >expect && + test_three_modes in_merge_bases +' + +test_expect_success 'in_merge_bases:miss' ' + cat >input <<-\EOF && + A:commit-6-8 + B:commit-5-9 + EOF + echo "in_merge_bases(A,B):0" >expect && + test_three_modes in_merge_bases +' + +test_expect_success 'is_descendant_of:hit' ' + cat >input <<-\EOF && + A:commit-5-7 + X:commit-4-8 + X:commit-6-6 + X:commit-1-1 + EOF + echo "is_descendant_of(A,X):1" >expect && + test_three_modes is_descendant_of +' + +test_expect_success 'is_descendant_of:miss' ' + cat >input <<-\EOF && + A:commit-6-8 + X:commit-5-9 + X:commit-4-10 + X:commit-7-6 + EOF + echo "is_descendant_of(A,X):0" >expect && + test_three_modes is_descendant_of +' + +test_expect_success 'get_merge_bases_many' ' + cat >input <<-\EOF && + A:commit-5-7 + X:commit-4-8 + X:commit-6-6 + X:commit-8-3 + EOF + { + echo "get_merge_bases_many(A,X):" && + git rev-parse commit-5-6 \ + commit-4-7 | sort + } >expect && + test_three_modes get_merge_bases_many +' + +test_expect_success 'reduce_heads' ' + cat >input <<-\EOF && + X:commit-1-10 + X:commit-2-8 + X:commit-3-6 + X:commit-4-4 + X:commit-1-7 + X:commit-2-5 + X:commit-3-3 + X:commit-5-1 + EOF + { + echo "reduce_heads(X):" && + git rev-parse commit-5-1 \ + commit-4-4 \ + commit-3-6 \ + commit-2-8 \ + commit-1-10 | sort + } >expect && + test_three_modes reduce_heads +' + +test_expect_success 'can_all_from_reach:hit' ' + cat >input <<-\EOF && + X:commit-2-10 + X:commit-3-9 + X:commit-4-8 + X:commit-5-7 + X:commit-6-6 + X:commit-7-5 + X:commit-8-4 + X:commit-9-3 + Y:commit-1-9 + Y:commit-2-8 + Y:commit-3-7 + Y:commit-4-6 + Y:commit-5-5 + Y:commit-6-4 + Y:commit-7-3 + Y:commit-8-1 + EOF + echo "can_all_from_reach(X,Y):1" >expect && + test_three_modes can_all_from_reach +' + +test_expect_success 'can_all_from_reach:miss' ' + cat >input <<-\EOF && + X:commit-2-10 + X:commit-3-9 + X:commit-4-8 + X:commit-5-7 + X:commit-6-6 + X:commit-7-5 + X:commit-8-4 + X:commit-9-3 + Y:commit-1-9 + Y:commit-2-8 + Y:commit-3-7 + Y:commit-4-6 + Y:commit-5-5 + Y:commit-6-4 + Y:commit-8-5 + EOF + echo "can_all_from_reach(X,Y):0" >expect && + test_three_modes can_all_from_reach +' + +test_expect_success 'commit_contains:hit' ' + cat >input <<-\EOF && + A:commit-7-7 + X:commit-2-10 + X:commit-3-9 + X:commit-4-8 + X:commit-5-7 + X:commit-6-6 + X:commit-7-5 + X:commit-8-4 + X:commit-9-3 + EOF + echo "commit_contains(_,A,X,_):1" >expect && + test_three_modes commit_contains && + test_three_modes commit_contains --tag +' + +test_expect_success 'commit_contains:miss' ' + cat >input <<-\EOF && + A:commit-6-5 + X:commit-2-10 + X:commit-3-9 + X:commit-4-8 + X:commit-5-7 + X:commit-6-6 + X:commit-7-5 + X:commit-8-4 + X:commit-9-3 + EOF + echo "commit_contains(_,A,X,_):0" >expect && + test_three_modes commit_contains && + test_three_modes commit_contains --tag +' + +test_done |