diff --git a/test/git-open.bats b/test/git-open.bats
new file mode 100755
index 0000000..267505b
--- /dev/null
+++ b/test/git-open.bats
@@ -0,0 +1,42 @@
+#!/usr/bin/env bats
+
+load "test_helper/index"
+
+##
+## Test environment
+##
+@test "test environment" {
+  assert_equal "$BROWSER" "echo"
+  cd ..
+  assert [ -e "$foldername" ]
+  assert [ -e "$foldername/.git" ]
+}
+
+##
+## Help
+##
+
+@test "help text" {
+  run ../git-open -h
+  assert_output --partial "usage: git open"
+}
+
+@test "invalid option" {
+  run ../git-open --invalid-option
+  assert_output --partial "error: unknown option \`invalid-option'"
+  assert_output --partial "usage: git open"
+}
+
+##
+## url handling
+##
+
+@test "url: insteadOf handling" {
+	git config --global url.http://example.com/.insteadOf ex:
+	git remote set-url origin ex:example.git
+	git checkout -B master
+	run ../git-open
+	assert_output "http://example.com/example"
+}
+
+