/*
 * Copyright 2020 The Knative 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 upgrade

import (
	"testing"
)

func (se *suiteExecution) processOperationGroup(op operationGroup) {
	l := se.logger
	se.configuration.T.Run(op.groupName, func(t *testing.T) {
		if len(op.operations) > 0 {
			l.Infof(op.groupTemplate, op.num, len(op.operations))
			for i, operation := range op.operations {
				l.Infof(op.elementTemplate, op.num, i+1, operation.Name())
				if se.failed {
					l.Debugf(skippingOperationTemplate, operation.Name())
					return
				}
				handler := operation.Handler()
				t.Run(operation.Name(), func(t *testing.T) {
					handler(Context{T: t, Log: l})
				})
				se.failed = se.failed || t.Failed()
				if se.failed {
					return
				}
			}
		} else {
			l.Infof(op.skippingGroupTemplate, op.num)
		}
	})
}

func (se *suiteExecution) execute() {
	idx := 1
	operations := []func(num int){
		se.installingBase,
		se.preUpgradeTests,
	}
	for _, operation := range operations {
		operation(idx)
		idx++
		if se.failed {
			return
		}
	}

	se.startContinualTests(idx)
	idx++
	if se.failed {
		return
	}
	defer func() {
		se.verifyContinualTests(idx)
	}()

	operations = []func(num int){
		se.upgradeWith,
		se.postUpgradeTests,
		se.downgradeWith,
		se.postDowngradeTests,
	}
	for _, operation := range operations {
		operation(idx)
		idx++
		if se.failed {
			return
		}
	}
}
