[PATCH 4/4] tests: git push mirror mode tests

[Andy Whitcroft <apw@shadowen.org>]

Add some basic tests for git push --mirror mode.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
---
 t/t5517-push-mirror.sh |  101 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 101 insertions(+), 0 deletions(-)
diff --git a/t/t5517-push-mirror.sh b/t/t5517-push-mirror.sh
new file mode 100755
index 0000000..1a285d4
--- /dev/null
+++ b/t/t5517-push-mirror.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+
+test_description='pushing to a mirror repository'
+
+. ./test-lib.sh
+
+D=`pwd`
+
+mk_repo_pair () {
+	rm -rf master mirror &&
+	mkdir mirror && cd mirror &&
+		git init &&
+	cd .. &&
+	mkdir master && cd master &&
+		git init &&
+		git config remote.up.url ../mirror &&
+	cd ..
+}
+
+test_expect_success 'push mirror does not create new branches' '
+
+	mk_repo_pair &&
+	cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		master_master=$(git show-ref -s --verify refs/heads/master) &&
+		git push --mirror up &&
+	cd ../mirror &&
+		mirror_master=$(git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror does not update existing branches' '
+
+	mk_repo_pair &&
+	cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		master_master=$(git show-ref -s --verify refs/heads/master) &&
+		git push --mirror up &&
+	cd ../mirror &&
+		mirror_master=$(git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_success 'push mirror does not force update existing branches' '
+
+	mk_repo_pair &&
+	cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git push --mirror up &&
+		echo two >foo && git add foo && git commit -m two &&
+		git push --mirror up &&
+		git reset --hard HEAD^
+		master_master=$(git show-ref -s --verify refs/heads/master) &&
+		git push --mirror up &&
+	cd ../mirror &&
+		mirror_master=$(git show-ref -s --verify refs/heads/master) &&
+	test "$master_master" = "$mirror_master"
+
+'
+
+test_expect_failure 'push mirror does not remove branches' '
+
+	mk_repo_pair &&
+	cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git branch remove master &&
+		git push --mirror up &&
+		git branch -D remove
+		git push --mirror up &&
+	cd ../mirror &&
+		git show-ref -s --verify refs/heads/remove
+
+'
+
+test_expect_success 'push mirror does not add, update and remove together' '
+
+	mk_repo_pair &&
+	cd master &&
+		echo one >foo && git add foo && git commit -m one &&
+		git branch remove master &&
+		git push --mirror up &&
+		git branch -D remove &&
+		git branch add master &&
+		echo two >foo && git add foo && git commit -m two &&
+		master_master=$(git show-ref -s --verify refs/heads/master) &&
+		master_add=$(git show-ref -s --verify refs/heads/add) &&
+		git push --mirror up &&
+	cd ../mirror &&
+		mirror_master=$(git show-ref -s --verify refs/heads/master) &&
+		mirror_add=$(git show-ref -s --verify refs/heads/add) &&
+		test "$master_master" = "$mirror_master" &&
+		test "$master_add" = "$mirror_add" &&
+		! git show-ref -s --verify refs/heads/remove
+
+'
+
+test_done