Move plugin config to main config package.

api/pgmconfig/pluginconfig_test.go

@@ -0,0 +1,43 @@
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+package pgmconfig
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestConfigDirNoXdg(t *testing.T) {
+	xdg, isSet := os.LookupEnv(XdgConfigHomeEnv)
+	if isSet {
+		os.Unsetenv(XdgConfigHomeEnv)
+	}
+	s := configRoot()
+	if isSet {
+		os.Setenv(XdgConfigHomeEnv, xdg)
+	}
+	if !strings.HasSuffix(
+		s,
+		rootedPath(XdgConfigHomeEnvDefault, ProgramName)) {
+		t.Fatalf("unexpected config dir: %s", s)
+	}
+}
+
+func rootedPath(elem ...string) string {
+	return string(filepath.Separator) + filepath.Join(elem...)
+}
+
+func TestConfigDirWithXdg(t *testing.T) {
+	xdg, isSet := os.LookupEnv(XdgConfigHomeEnv)
+	os.Setenv(XdgConfigHomeEnv, rootedPath("blah"))
+	s := configRoot()
+	if isSet {
+		os.Setenv(XdgConfigHomeEnv, xdg)
+	}
+	if s != rootedPath("blah", ProgramName) {
+		t.Fatalf("unexpected config dir: %s", s)
+	}
+}