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-rwxr-xr-xt/t5310-pack-bitmaps.sh138
1 files changed, 138 insertions, 0 deletions
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh
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+++ b/t/t5310-pack-bitmaps.sh
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+#!/bin/sh
+
+test_description='exercise basic bitmap functionality'
+. ./test-lib.sh
+
+test_expect_success 'setup repo with moderate-sized history' '
+ for i in $(test_seq 1 10); do
+ test_commit $i
+ done &&
+ git checkout -b other HEAD~5 &&
+ for i in $(test_seq 1 10); do
+ test_commit side-$i
+ done &&
+ git checkout master &&
+ blob=$(echo tagged-blob | git hash-object -w --stdin) &&
+ git tag tagged-blob $blob &&
+ git config pack.writebitmaps true
+'
+
+test_expect_success 'full repack creates bitmaps' '
+ git repack -ad &&
+ ls .git/objects/pack/ | grep bitmap >output &&
+ test_line_count = 1 output
+'
+
+test_expect_success 'rev-list --test-bitmap verifies bitmaps' '
+ git rev-list --test-bitmap HEAD
+'
+
+rev_list_tests() {
+ state=$1
+
+ test_expect_success "counting commits via bitmap ($state)" '
+ git rev-list --count HEAD >expect &&
+ git rev-list --use-bitmap-index --count HEAD >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "counting partial commits via bitmap ($state)" '
+ git rev-list --count HEAD~5..HEAD >expect &&
+ git rev-list --use-bitmap-index --count HEAD~5..HEAD >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "counting non-linear history ($state)" '
+ git rev-list --count other...master >expect &&
+ git rev-list --use-bitmap-index --count other...master >actual &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "enumerate --objects ($state)" '
+ git rev-list --objects --use-bitmap-index HEAD >tmp &&
+ cut -d" " -f1 <tmp >tmp2 &&
+ sort <tmp2 >actual &&
+ git rev-list --objects HEAD >tmp &&
+ cut -d" " -f1 <tmp >tmp2 &&
+ sort <tmp2 >expect &&
+ test_cmp expect actual
+ '
+
+ test_expect_success "bitmap --objects handles non-commit objects ($state)" '
+ git rev-list --objects --use-bitmap-index HEAD tagged-blob >actual &&
+ grep $blob actual
+ '
+}
+
+rev_list_tests 'full bitmap'
+
+test_expect_success 'clone from bitmapped repository' '
+ git clone --no-local --bare . clone.git &&
+ git rev-parse HEAD >expect &&
+ git --git-dir=clone.git rev-parse HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'setup further non-bitmapped commits' '
+ for i in $(test_seq 1 10); do
+ test_commit further-$i
+ done
+'
+
+rev_list_tests 'partial bitmap'
+
+test_expect_success 'fetch (partial bitmap)' '
+ git --git-dir=clone.git fetch origin master:master &&
+ git rev-parse HEAD >expect &&
+ git --git-dir=clone.git rev-parse HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'incremental repack cannot create bitmaps' '
+ test_commit more-1 &&
+ test_must_fail git repack -d
+'
+
+test_expect_success 'incremental repack can disable bitmaps' '
+ test_commit more-2 &&
+ git repack -d --no-write-bitmap-index
+'
+
+test_expect_success 'full repack, reusing previous bitmaps' '
+ git repack -ad &&
+ ls .git/objects/pack/ | grep bitmap >output &&
+ test_line_count = 1 output
+'
+
+test_expect_success 'fetch (full bitmap)' '
+ git --git-dir=clone.git fetch origin master:master &&
+ git rev-parse HEAD >expect &&
+ git --git-dir=clone.git rev-parse HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_lazy_prereq JGIT '
+ type jgit
+'
+
+test_expect_success JGIT 'we can read jgit bitmaps' '
+ git clone . compat-jgit &&
+ (
+ cd compat-jgit &&
+ rm -f .git/objects/pack/*.bitmap &&
+ jgit gc &&
+ git rev-list --test-bitmap HEAD
+ )
+'
+
+test_expect_success JGIT 'jgit can read our bitmaps' '
+ git clone . compat-us &&
+ (
+ cd compat-us &&
+ git repack -adb &&
+ # jgit gc will barf if it does not like our bitmaps
+ jgit gc
+ )
+'
+
+test_done