1 files changed, 81 insertions, 0 deletions
diff --git a/t/t7420-submodule-set-url.sh b/t/t7420-submodule-set-url.sh
new file mode 100755
index 0000000..bf7f15e
--- /dev/null
+++ b/t/t7420-submodule-set-url.sh
@@ -0,0 +1,81 @@
+#!/bin/sh
+#
+# Copyright (c) 2019 Denton Liu
+#
+
+test_description='Test submodules set-url subcommand
+
+This test verifies that the set-url subcommand of git-submodule is working
+as expected.
+'
+
+TEST_NO_CREATE_REPO=1
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+	git config --global protocol.file.allow always
+'
+
+test_expect_success 'submodule config cache setup' '
+	mkdir submodule &&
+	(
+		cd submodule &&
+		git init &&
+		echo a >file &&
+		git add file &&
+		git commit -ma
+	) &&
+	mkdir namedsubmodule &&
+	(
+		cd namedsubmodule &&
+		git init &&
+		echo 1 >file &&
+		git add file &&
+		git commit -m1
+	) &&
+	mkdir super &&
+	(
+		cd super &&
+		git init &&
+		git submodule add ../submodule &&
+		git submodule add --name thename ../namedsubmodule thepath &&
+		git commit -m "add submodules"
+	)
+'
+
+test_expect_success 'test submodule set-url' '
+	# add commits and move the submodules (change the urls)
+	(
+		cd submodule &&
+		echo b >>file &&
+		git add file &&
+		git commit -mb
+	) &&
+	mv submodule newsubmodule &&
+
+	(
+		cd namedsubmodule &&
+		echo 2 >>file &&
+		git add file &&
+		git commit -m2
+	) &&
+	mv namedsubmodule newnamedsubmodule &&
+
+	git -C newsubmodule show >expect &&
+	git -C newnamedsubmodule show >>expect &&
+	(
+		cd super &&
+		test_must_fail git submodule update --remote &&
+		git submodule set-url submodule ../newsubmodule &&
+		test_cmp_config ../newsubmodule -f .gitmodules submodule.submodule.url &&
+		git submodule set-url thepath ../newnamedsubmodule &&
+		test_cmp_config ../newnamedsubmodule -f .gitmodules submodule.thename.url &&
+		test_cmp_config "" -f .gitmodules --default "" submodule.thepath.url &&
+		git submodule update --remote
+	) &&
+	git -C super/submodule show >actual &&
+	git -C super/thepath show >>actual &&
+	test_cmp expect actual
+'
+
+test_done