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-rwxr-xr-xt/t6102-rev-list-unexpected-objects.sh127
1 files changed, 127 insertions, 0 deletions
diff --git a/t/t6102-rev-list-unexpected-objects.sh b/t/t6102-rev-list-unexpected-objects.sh
new file mode 100755
index 0000000000..52cde097dd
--- /dev/null
+++ b/t/t6102-rev-list-unexpected-objects.sh
@@ -0,0 +1,127 @@
+#!/bin/sh
+
+test_description='git rev-list should handle unexpected object types'
+
+. ./test-lib.sh
+
+test_expect_success 'setup well-formed objects' '
+ blob="$(printf "foo" | git hash-object -w --stdin)" &&
+ tree="$(printf "100644 blob $blob\tfoo" | git mktree)" &&
+ commit="$(git commit-tree $tree -m "first commit")" &&
+ git cat-file commit $commit >good-commit
+'
+
+test_expect_success 'setup unexpected non-blob entry' '
+ printf "100644 foo\0$(echo $tree | hex2oct)" >broken-tree &&
+ broken_tree="$(git hash-object -w --literally -t tree broken-tree)"
+'
+
+test_expect_failure 'traverse unexpected non-blob entry (lone)' '
+ test_must_fail git rev-list --objects $broken_tree
+'
+
+test_expect_success 'traverse unexpected non-blob entry (seen)' '
+ test_must_fail git rev-list --objects $tree $broken_tree >output 2>&1 &&
+ test_i18ngrep "is not a blob" output
+'
+
+test_expect_success 'setup unexpected non-tree entry' '
+ printf "40000 foo\0$(echo $blob | hex2oct)" >broken-tree &&
+ broken_tree="$(git hash-object -w --literally -t tree broken-tree)"
+'
+
+test_expect_success 'traverse unexpected non-tree entry (lone)' '
+ test_must_fail git rev-list --objects $broken_tree
+'
+
+test_expect_success 'traverse unexpected non-tree entry (seen)' '
+ test_must_fail git rev-list --objects $blob $broken_tree >output 2>&1 &&
+ test_i18ngrep "is not a tree" output
+'
+
+test_expect_success 'setup unexpected non-commit parent' '
+ sed "/^author/ { h; s/.*/parent $blob/; G; }" <good-commit \
+ >broken-commit &&
+ broken_commit="$(git hash-object -w --literally -t commit \
+ broken-commit)"
+'
+
+test_expect_success 'traverse unexpected non-commit parent (lone)' '
+ test_must_fail git rev-list --objects $broken_commit >output 2>&1 &&
+ test_i18ngrep "not a commit" output
+'
+
+test_expect_success 'traverse unexpected non-commit parent (seen)' '
+ test_must_fail git rev-list --objects $blob $broken_commit \
+ >output 2>&1 &&
+ test_i18ngrep "not a commit" output
+'
+
+test_expect_success 'setup unexpected non-tree root' '
+ sed -e "s/$tree/$blob/" <good-commit >broken-commit &&
+ broken_commit="$(git hash-object -w --literally -t commit \
+ broken-commit)"
+'
+
+test_expect_success 'traverse unexpected non-tree root (lone)' '
+ test_must_fail git rev-list --objects $broken_commit
+'
+
+test_expect_success 'traverse unexpected non-tree root (seen)' '
+ test_must_fail git rev-list --objects $blob $broken_commit \
+ >output 2>&1 &&
+ test_i18ngrep "not a tree" output
+'
+
+test_expect_success 'setup unexpected non-commit tag' '
+ git tag -a -m "tagged commit" tag $commit &&
+ git cat-file tag tag >good-tag &&
+ test_when_finished "git tag -d tag" &&
+ sed -e "s/$commit/$blob/" <good-tag >broken-tag &&
+ tag=$(git hash-object -w --literally -t tag broken-tag)
+'
+
+test_expect_success 'traverse unexpected non-commit tag (lone)' '
+ test_must_fail git rev-list --objects $tag
+'
+
+test_expect_success 'traverse unexpected non-commit tag (seen)' '
+ test_must_fail git rev-list --objects $blob $tag >output 2>&1 &&
+ test_i18ngrep "not a commit" output
+'
+
+test_expect_success 'setup unexpected non-tree tag' '
+ git tag -a -m "tagged tree" tag $tree &&
+ git cat-file tag tag >good-tag &&
+ test_when_finished "git tag -d tag" &&
+ sed -e "s/$tree/$blob/" <good-tag >broken-tag &&
+ tag=$(git hash-object -w --literally -t tag broken-tag)
+'
+
+test_expect_success 'traverse unexpected non-tree tag (lone)' '
+ test_must_fail git rev-list --objects $tag
+'
+
+test_expect_success 'traverse unexpected non-tree tag (seen)' '
+ test_must_fail git rev-list --objects $blob $tag >output 2>&1 &&
+ test_i18ngrep "not a tree" output
+'
+
+test_expect_success 'setup unexpected non-blob tag' '
+ git tag -a -m "tagged blob" tag $blob &&
+ git cat-file tag tag >good-tag &&
+ test_when_finished "git tag -d tag" &&
+ sed -e "s/$blob/$commit/" <good-tag >broken-tag &&
+ tag=$(git hash-object -w --literally -t tag broken-tag)
+'
+
+test_expect_failure 'traverse unexpected non-blob tag (lone)' '
+ test_must_fail git rev-list --objects $tag
+'
+
+test_expect_success 'traverse unexpected non-blob tag (seen)' '
+ test_must_fail git rev-list --objects $commit $tag >output 2>&1 &&
+ test_i18ngrep "not a blob" output
+'
+
+test_done