test: dd file operation tests

Inspired by gitifyhg.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

test/main.t

@@ -53,6 +53,17 @@ check_bookmark () {
 	fi
 }
 
+check_files () {
+	git --git-dir=$1/.git ls-files > actual &&
+	if test $# -gt 1
+	then
+		printf "%s\n" "$2" > expected
+	else
+		> expected
+	fi &&
+	test_cmp expected actual
+}
+
 check_push () {
 	expected_ret=$1 ret=0 ref_ret=0
 
@@ -948,4 +959,69 @@ test_expect_success 'push tag different branch' '
 	test_cmp expected actual
 '
 
+test_expect_success 'cloning a removed file works' '
+	test_when_finished "rm -rf hgrepo gitrepo" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+
+	echo test > test_file &&
+	hg add test_file &&
+	hg commit -m add &&
+
+	hg rm test_file &&
+	hg commit -m remove
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check_files gitrepo
+'
+
+test_expect_success 'cloning a file replaced with a directory' '
+	test_when_finished "rm -rf hgrepo gitrepo" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+
+	echo test > dir_or_file &&
+	hg add dir_or_file &&
+	hg commit -m add &&
+
+	hg rm dir_or_file &&
+	mkdir dir_or_file &&
+	echo test > dir_or_file/test_file &&
+	hg add dir_or_file/test_file &&
+	hg commit -m replase
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check_files gitrepo "dir_or_file/test_file"
+'
+
+test_expect_success 'clone replace directory with a file' '
+	test_when_finished "rm -rf hgrepo gitrepo" &&
+
+	(
+	hg init hgrepo &&
+	cd hgrepo &&
+
+	mkdir dir_or_file &&
+	echo test > dir_or_file/test_file &&
+	hg add dir_or_file/test_file &&
+	hg commit -m add &&
+
+	hg rm dir_or_file/test_file &&
+	echo test > dir_or_file &&
+	hg add dir_or_file &&
+	hg commit -m add &&
+
+	hg rm dir_or_file
+	) &&
+
+	git clone "hg::hgrepo" gitrepo &&
+	check_files gitrepo "dir_or_file"
+'
+
 test_done