/*
 * Copyright 2016 the original author or 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 org.gradle.launcher.daemon.server

import org.gradle.launcher.daemon.server.health.DaemonHealthServices
import org.gradle.launcher.daemon.server.health.DaemonStatus
import spock.lang.Specification

class LowTenuredSpaceDaemonExpirationStrategyTest extends Specification {
    private final Daemon daemon = Mock(Daemon)
    private final DaemonHealthServices healthServices = Mock(DaemonHealthServices)
    private final DaemonStatus status = Mock(DaemonStatus)

    def "daemon is expired when tenured space is low" () {
        LowTenuredSpaceDaemonExpirationStrategy strategy = new LowTenuredSpaceDaemonExpirationStrategy(healthServices)

        when:
        DaemonExpirationResult result = strategy.checkExpiration(daemon)

        then:
        1 * healthServices.getDaemonStatus() >> status
        1 * status.isTenuredSpaceExhausted() >> true

        and:
        result.expired
        result.reason == "JVM tenured space is exhausted"
    }

    def "daemon is not expired when tenured space is fine" () {
        LowTenuredSpaceDaemonExpirationStrategy strategy = new LowTenuredSpaceDaemonExpirationStrategy(healthServices)

        when:
        DaemonExpirationResult result = strategy.checkExpiration(daemon)

        then:
        1 * healthServices.getDaemonStatus() >> status
        1 * status.isTenuredSpaceExhausted() >> false

        and:
        result == DaemonExpirationResult.DO_NOT_EXPIRE
    }
}
