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Diffstat (limited to 't/t4216-log-bloom.sh')
| -rwxr-xr-x | t/t4216-log-bloom.sh | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/t/t4216-log-bloom.sh b/t/t4216-log-bloom.sh new file mode 100755 index 0000000000..c21cc160f3 --- /dev/null +++ b/t/t4216-log-bloom.sh @@ -0,0 +1,194 @@ +#!/bin/sh + +test_description='git log for a path with Bloom filters' +. ./test-lib.sh + +GIT_TEST_COMMIT_GRAPH=0 +GIT_TEST_COMMIT_GRAPH_CHANGED_PATHS=0 + +test_expect_success 'setup test - repo, commits, commit graph, log outputs' ' + git init && + mkdir A A/B A/B/C && + test_commit c1 A/file1 && + test_commit c2 A/B/file2 && + test_commit c3 A/B/C/file3 && + test_commit c4 A/file1 && + test_commit c5 A/B/file2 && + test_commit c6 A/B/C/file3 && + test_commit c7 A/file1 && + test_commit c8 A/B/file2 && + test_commit c9 A/B/C/file3 && + test_commit c10 file_to_be_deleted && + git checkout -b side HEAD~4 && + test_commit side-1 file4 && + git checkout master && + git merge side && + test_commit c11 file5 && + mv file5 file5_renamed && + git add file5_renamed && + git commit -m "rename" && + rm file_to_be_deleted && + git add . && + git commit -m "file removed" && + git commit-graph write --reachable --changed-paths +' +graph_read_expect () { + NUM_CHUNKS=5 + cat >expect <<- EOF + header: 43475048 1 1 $NUM_CHUNKS 0 + num_commits: $1 + chunks: oid_fanout oid_lookup commit_metadata bloom_indexes bloom_data + EOF + test-tool read-graph >actual && + test_cmp expect actual +} + +test_expect_success 'commit-graph write wrote out the bloom chunks' ' + graph_read_expect 15 +' + +# Turn off any inherited trace2 settings for this test. +sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT +sane_unset GIT_TRACE2_PERF_BRIEF +sane_unset GIT_TRACE2_CONFIG_PARAMS + +setup () { + rm "$TRASH_DIRECTORY/trace.perf" + git -c core.commitGraph=false log --pretty="format:%s" $1 >log_wo_bloom && + GIT_TRACE2_PERF="$TRASH_DIRECTORY/trace.perf" git -c core.commitGraph=true log --pretty="format:%s" $1 >log_w_bloom +} + +test_bloom_filters_used () { + log_args=$1 + bloom_trace_prefix="statistics:{\"filter_not_present\":0,\"maybe\"" + setup "$log_args" && + grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" && + test_cmp log_wo_bloom log_w_bloom && + test_path_is_file "$TRASH_DIRECTORY/trace.perf" +} + +test_bloom_filters_not_used () { + log_args=$1 + setup "$log_args" && + ! grep -q "statistics:{\"filter_not_present\":" "$TRASH_DIRECTORY/trace.perf" && + test_cmp log_wo_bloom log_w_bloom +} + +for path in A A/B A/B/C A/file1 A/B/file2 A/B/C/file3 file4 file5 file5_renamed file_to_be_deleted +do + for option in "" \ + "--all" \ + "--full-history" \ + "--full-history --simplify-merges" \ + "--simplify-merges" \ + "--simplify-by-decoration" \ + "--follow" \ + "--first-parent" \ + "--topo-order" \ + "--date-order" \ + "--author-date-order" \ + "--ancestry-path side..master" + do + test_expect_success "git log option: $option for path: $path" ' + test_bloom_filters_used "$option -- $path" + ' + done +done + +test_expect_success 'git log -- folder works with and without the trailing slash' ' + test_bloom_filters_used "-- A" && + test_bloom_filters_used "-- A/" +' + +test_expect_success 'git log for path that does not exist. ' ' + test_bloom_filters_used "-- path_does_not_exist" +' + +test_expect_success 'git log with --walk-reflogs does not use Bloom filters' ' + test_bloom_filters_not_used "--walk-reflogs -- A" +' + +test_expect_success 'git log -- multiple path specs does not use Bloom filters' ' + test_bloom_filters_not_used "-- file4 A/file1" +' + +test_expect_success 'git log -- "." pathspec at root does not use Bloom filters' ' + test_bloom_filters_not_used "-- ." +' + +test_expect_success 'git log with wildcard that resolves to a single path uses Bloom filters' ' + test_bloom_filters_used "-- *4" && + test_bloom_filters_used "-- *renamed" +' + +test_expect_success 'git log with wildcard that resolves to a multiple paths does not uses Bloom filters' ' + test_bloom_filters_not_used "-- *" && + test_bloom_filters_not_used "-- file*" +' + +test_expect_success 'setup - add commit-graph to the chain without Bloom filters' ' + test_commit c14 A/anotherFile2 && + test_commit c15 A/B/anotherFile2 && + test_commit c16 A/B/C/anotherFile2 && + git commit-graph write --reachable --split --no-changed-paths && + test_line_count = 2 .git/objects/info/commit-graphs/commit-graph-chain +' + +test_expect_success 'Do not use Bloom filters if the latest graph does not have Bloom filters.' ' + test_bloom_filters_not_used "-- A/B" +' + +test_expect_success 'setup - add commit-graph to the chain with Bloom filters' ' + test_commit c17 A/anotherFile3 && + git commit-graph write --reachable --changed-paths --split && + test_line_count = 3 .git/objects/info/commit-graphs/commit-graph-chain +' + +test_bloom_filters_used_when_some_filters_are_missing () { + log_args=$1 + bloom_trace_prefix="statistics:{\"filter_not_present\":3,\"maybe\":6,\"definitely_not\":8" + setup "$log_args" && + grep -q "$bloom_trace_prefix" "$TRASH_DIRECTORY/trace.perf" && + test_cmp log_wo_bloom log_w_bloom +} + +test_expect_success 'Use Bloom filters if they exist in the latest but not all commit graphs in the chain.' ' + test_bloom_filters_used_when_some_filters_are_missing "-- A/B" +' + +test_expect_success 'persist filter settings' ' + test_when_finished rm -rf .git/objects/info/commit-graph* && + rm -rf .git/objects/info/commit-graph* && + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + GIT_TRACE2_EVENT_NESTING=5 \ + GIT_TEST_BLOOM_SETTINGS_NUM_HASHES=9 \ + GIT_TEST_BLOOM_SETTINGS_BITS_PER_ENTRY=15 \ + git commit-graph write --reachable --changed-paths && + grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15}" trace2.txt && + GIT_TRACE2_EVENT="$(pwd)/trace2-auto.txt" \ + GIT_TRACE2_EVENT_NESTING=5 \ + git commit-graph write --reachable --changed-paths && + grep "{\"hash_version\":1,\"num_hashes\":9,\"bits_per_entry\":15}" trace2-auto.txt +' + +test_expect_success 'correctly report changes over limit' ' + git init 513changes && + ( + cd 513changes && + for i in $(test_seq 1 513) + do + echo $i >file$i.txt || return 1 + done && + git add . && + git commit -m "files" && + git commit-graph write --reachable --changed-paths && + for i in $(test_seq 1 513) + do + git -c core.commitGraph=false log -- file$i.txt >expect && + git log -- file$i.txt >actual && + test_cmp expect actual || return 1 + done + ) +' + +test_done |