test: increase coverage

pkg/cli/options_test.go

@@ -252,14 +252,32 @@ var _ = Describe("Discover external plugins", func() {
 				Expect(err.Error()).To(ContainSubstring("host not supported"))
 			})
 
-			It("should return full path to the external plugins", func() {
+			It("should return full path to the external plugins without XDG_CONFIG_HOME", func() {
+				if _, ok := os.LookupEnv("XDG_CONFIG_HOME"); ok {
+					err = os.Setenv("XDG_CONFIG_HOME", "")
+					Expect(err).To(BeNil())
+				}
+
+				home := os.Getenv("HOME")
+
+				pluginsRoot, err := getPluginsRoot("darwin")
+				Expect(err).To(BeNil())
+				expected := filepath.Join(home, "Library", "Application Support", "kubebuilder", "plugins")
+				Expect(pluginsRoot).To(Equal(expected))
+
+				pluginsRoot, err = getPluginsRoot("linux")
+				Expect(err).To(BeNil())
+				expected = filepath.Join(home, ".config", "kubebuilder", "plugins")
+				Expect(pluginsRoot).To(Equal(expected))
+			})
+
+			It("should return full path to the external plugins with XDG_CONFIG_HOME", func() {
 				err = os.Setenv("XDG_CONFIG_HOME", "/some/random/path")
 				Expect(err).To(BeNil())
 
 				pluginsRoot, err := getPluginsRoot(runtime.GOOS)
 				Expect(err).To(BeNil())
 				Expect(pluginsRoot).To(Equal("/some/random/path/kubebuilder/plugins"))
-
 			})
 
 			It("should return error when home directory is set to empty", func() {

pkg/cli/root.go

@@ -30,7 +30,7 @@ const (
 )
 
 var (
-	supportedPlatforms = []string{"linux", "darwin"}
+	supportedPlatforms = []string{"darwin", "linux"}
 )
 
 func (c CLI) newRootCmd() *cobra.Command {