1 files changed, 78 insertions, 0 deletions
diff --git a/t/t1506-rev-parse-diagnosis.sh b/t/t1506-rev-parse-diagnosis.sh
new file mode 100755
index 0000000000..0eeeb0e450
--- /dev/null
+++ b/t/t1506-rev-parse-diagnosis.sh
@@ -0,0 +1,78 @@
+#!/bin/sh
+
+test_description='test git rev-parse diagnosis for invalid argument'
+
+exec </dev/null
+
+. ./test-lib.sh
+
+HASH_file=
+
+test_expect_success 'set up basic repo' '
+	echo one > file.txt &&
+	mkdir subdir &&
+	echo two > subdir/file.txt &&
+	echo three > subdir/file2.txt &&
+	git add . &&
+	git commit -m init &&
+	echo four > index-only.txt &&
+	git add index-only.txt &&
+	echo five > disk-only.txt
+'
+
+test_expect_success 'correct file objects' '
+	HASH_file=$(git rev-parse HEAD:file.txt) &&
+	git rev-parse HEAD:subdir/file.txt &&
+	git rev-parse :index-only.txt &&
+	(cd subdir &&
+	 git rev-parse HEAD:subdir/file2.txt &&
+	 test $HASH_file = $(git rev-parse HEAD:file.txt) &&
+	 test $HASH_file = $(git rev-parse :file.txt) &&
+	 test $HASH_file = $(git rev-parse :0:file.txt) )
+'
+
+test_expect_success 'incorrect revision id' '
+	test_must_fail git rev-parse foobar:file.txt 2>error &&
+	grep "Invalid object name '"'"'foobar'"'"'." error &&
+	test_must_fail git rev-parse foobar 2> error &&
+	grep "unknown revision or path not in the working tree." error
+'
+
+test_expect_success 'incorrect file in sha1:path' '
+	test_must_fail git rev-parse HEAD:nothing.txt 2> error &&
+	grep "fatal: Path '"'"'nothing.txt'"'"' does not exist in '"'"'HEAD'"'"'" error &&
+	test_must_fail git rev-parse HEAD:index-only.txt 2> error &&
+	grep "fatal: Path '"'"'index-only.txt'"'"' exists on disk, but not in '"'"'HEAD'"'"'." error &&
+	(cd subdir &&
+	 test_must_fail git rev-parse HEAD:file2.txt 2> error &&
+	 grep "Did you mean '"'"'HEAD:subdir/file2.txt'"'"'?" error )
+'
+
+test_expect_success 'incorrect file in :path and :N:path' '
+	test_must_fail git rev-parse :nothing.txt 2> error &&
+	grep "fatal: Path '"'"'nothing.txt'"'"' does not exist (neither on disk nor in the index)." error &&
+	test_must_fail git rev-parse :1:nothing.txt 2> error &&
+	grep "Path '"'"'nothing.txt'"'"' does not exist (neither on disk nor in the index)." error &&
+	test_must_fail git rev-parse :1:file.txt 2> error &&
+	grep "Did you mean '"'"':0:file.txt'"'"'?" error &&
+	(cd subdir &&
+	 test_must_fail git rev-parse :1:file.txt 2> error &&
+	 grep "Did you mean '"'"':0:file.txt'"'"'?" error &&
+	 test_must_fail git rev-parse :file2.txt 2> error &&
+	 grep "Did you mean '"'"':0:subdir/file2.txt'"'"'?" error &&
+	 test_must_fail git rev-parse :2:file2.txt 2> error &&
+	 grep "Did you mean '"'"':0:subdir/file2.txt'"'"'?" error) &&
+	test_must_fail git rev-parse :disk-only.txt 2> error &&
+	grep "fatal: Path '"'"'disk-only.txt'"'"' exists on disk, but not in the index." error
+'
+
+test_expect_success 'invalid @{n} reference' '
+	test_must_fail git rev-parse master@{99999} >output 2>error &&
+	test -z "$(cat output)" &&
+	grep "fatal: Log for [^ ]* only has [0-9][0-9]* entries." error  &&
+	test_must_fail git rev-parse --verify master@{99999} >output 2>error &&
+	test -z "$(cat output)" &&
+	grep "fatal: Log for [^ ]* only has [0-9][0-9]* entries." error
+'
+
+test_done