1 files changed, 63 insertions, 0 deletions
diff --git a/config/user_test.go b/config/user_test.go
new file mode 100644
index 0000000..bb19296
--- /dev/null
+++ b/config/user_test.go
@@ -0,0 +1,63 @@
+package config_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"phabricator.wikimedia.org/source/blubber/config"
+)
+
+func TestUserConfigValidation(t *testing.T) {
+	t.Run("as", func(t *testing.T) {
+		t.Run("ok", func(t *testing.T) {
+			err := config.Validate(config.UserConfig{
+				As: "foo-bar.baz",
+			})
+
+			assert.False(t, config.IsValidationError(err))
+		})
+
+		t.Run("optional", func(t *testing.T) {
+			err := config.Validate(config.UserConfig{})
+
+			assert.False(t, config.IsValidationError(err))
+		})
+
+		t.Run("no spaces", func(t *testing.T) {
+			err := config.Validate(config.UserConfig{
+				As: "foo bar",
+			})
+
+			if assert.True(t, config.IsValidationError(err)) {
+				msg := config.HumanizeValidationError(err)
+
+				assert.Equal(t, `as: "foo bar" is not a valid user name`, msg)
+			}
+		})
+
+		t.Run("long enough", func(t *testing.T) {
+			err := config.Validate(config.UserConfig{
+				As: "fo",
+			})
+
+			if assert.True(t, config.IsValidationError(err)) {
+				msg := config.HumanizeValidationError(err)
+
+				assert.Equal(t, `as: "fo" is not a valid user name`, msg)
+			}
+		})
+
+		t.Run("not root", func(t *testing.T) {
+			err := config.Validate(config.UserConfig{
+				As: "root",
+			})
+
+			if assert.True(t, config.IsValidationError(err)) {
+				msg := config.HumanizeValidationError(err)
+
+				assert.Equal(t, `as: "root" is not a valid user name`, msg)
+			}
+		})
+	})
+}