/* Copyright 2022 The Karmada Authors. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ package context import ( "errors" "reflect" "testing" "k8s.io/apimachinery/pkg/util/sets" ) func TestContext_IsControllerEnabled(t *testing.T) { tests := []struct { name string controllerName string controllers []string disabledByDefaultControllers []string expected bool }{ { name: "on by name", controllerName: "bravo", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"alpha", "bravo", "-charlie"}, // --controllers=alpha,bravo,-charlie expected: true, }, { name: "off by name", controllerName: "charlie", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"alpha", "bravo", "-charlie"}, // --controllers=alpha,bravo,-charlie expected: false, }, { name: "on by default", controllerName: "alpha", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"*"}, // --controllers=* expected: true, }, { name: "off by default", controllerName: "delta", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"*"}, // --controllers=* expected: false, }, { name: "on by star, not in disabled list", controllerName: "foxtrot", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"*"}, // --controllers=* expected: true, }, { name: "on by star, not off by name", controllerName: "alpha", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"*", "-charlie"}, // --controllers=*,-charlie expected: true, }, { name: "off by name with star", controllerName: "charlie", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"*", "-charlie"}, // --controllers=*,-charlie expected: false, }, { name: "off by default implicit, no star", controllerName: "foxtrot", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{"alpha", "bravo", "-charlie"}, // --controllers=alpha,bravo,-charlie expected: false, }, { name: "empty controllers list", controllerName: "alpha", disabledByDefaultControllers: []string{"delta", "echo"}, controllers: []string{}, // No controllers expected: false, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { c := Context{ Opts: Options{ Controllers: tt.controllers, }, } if got := c.IsControllerEnabled(tt.controllerName, sets.New(tt.disabledByDefaultControllers...)); got != tt.expected { t.Errorf("expected %v, but got %v", tt.expected, got) } }) } } func TestInitializers_ControllerNames(t *testing.T) { initializers := Initializers{ "controller1": func(_ Context) (bool, error) { return true, nil }, "controller2": func(_ Context) (bool, error) { return true, nil }, "controller3": func(_ Context) (bool, error) { return true, nil }, } expected := []string{"controller1", "controller2", "controller3"} result := initializers.ControllerNames() if !reflect.DeepEqual(sets.New(result...), sets.New(expected...)) { t.Errorf("expected %v, but got %v", expected, result) } } func TestInitializers_StartControllers(t *testing.T) { tests := []struct { name string initializers Initializers enabledControllers []string disabledByDefaultControllers []string expectedError bool }{ { name: "all controllers enabled and started successfully", initializers: Initializers{ "controller1": func(_ Context) (bool, error) { return true, nil }, "controller2": func(_ Context) (bool, error) { return true, nil }, }, enabledControllers: []string{"*"}, disabledByDefaultControllers: []string{}, expectedError: false, }, { name: "some controllers disabled", initializers: Initializers{ "controller1": func(_ Context) (bool, error) { return true, nil }, "controller2": func(_ Context) (bool, error) { return true, nil }, "controller3": func(_ Context) (bool, error) { return true, nil }, }, enabledControllers: []string{"controller1", "controller2"}, disabledByDefaultControllers: []string{"controller3"}, expectedError: false, }, { name: "controller returns error", initializers: Initializers{ "controller1": func(_ Context) (bool, error) { return true, nil }, "controller2": func(_ Context) (bool, error) { return false, errors.New("test error") }, }, enabledControllers: []string{"*"}, disabledByDefaultControllers: []string{}, expectedError: true, }, { name: "controller not started", initializers: Initializers{ "controller1": func(_ Context) (bool, error) { return true, nil }, "controller2": func(_ Context) (bool, error) { return false, nil }, }, enabledControllers: []string{"*"}, disabledByDefaultControllers: []string{}, expectedError: false, }, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { ctx := Context{ Opts: Options{ Controllers: tt.enabledControllers, }, } err := tt.initializers.StartControllers(ctx, sets.New(tt.disabledByDefaultControllers...)) if (err != nil) != tt.expectedError { t.Errorf("expected error: %v, but got: %v", tt.expectedError, err) } }) } }