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path: root/sources/hv-collector-configuration/src/test/kotlin/org/onap/dcae/collectors/veshv/config/api/FileConfigurationReaderTest.kt
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/*
 * ============LICENSE_START=======================================================
 * dcaegen2-collectors-veshv
 * ================================================================================
 * Copyright (C) 2019 NOKIA
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.dcae.collectors.veshv.config.api

import arrow.core.Some
import org.jetbrains.spek.api.Spek
import org.assertj.core.api.Assertions.assertThat
import org.jetbrains.spek.api.dsl.describe
import org.jetbrains.spek.api.dsl.it
import org.onap.dcae.collectors.veshv.config.api.model.Routing
import org.onap.dcae.collectors.veshv.config.impl.FileConfigurationReader
import org.onap.dcae.collectors.veshv.config.impl.PartialCbsConfig
import org.onap.dcae.collectors.veshv.config.impl.PartialKafkaConfig
import org.onap.dcae.collectors.veshv.config.impl.PartialSecurityConfig
import org.onap.dcae.collectors.veshv.config.impl.PartialServerConfig
import org.onap.dcae.collectors.veshv.utils.logging.LogLevel
import java.io.InputStreamReader
import java.io.StringReader
import java.net.InetSocketAddress

/**
 * @author Pawel Biniek <pawel.biniek@nokia.com>
 * @since February 2019
 */
internal object FileConfigurationReaderTest : Spek({
    describe("A configuration loader utility") {

        describe("partial configuration loading") {
            it("parses enumerations") {
                val input = """{"logLevel":"ERROR"}"""

                val config = FileConfigurationReader().loadConfig(StringReader(input))
                assertThat(config.logLevel).isEqualTo(Some(LogLevel.ERROR))
            }

            it("parses simple structure") {
                val input = """{
                "server" : {
                    "healthCheckApiPort" : 12002,
                    "listenPort" : 12003
                }
            }
            """.trimIndent()
                val config = FileConfigurationReader().loadConfig(StringReader(input))
                assertThat(config.server.nonEmpty()).isTrue()
                assertThat(config.server.orNull()?.healthCheckApiPort).isEqualTo(Some(12002))
                assertThat(config.server.orNull()?.listenPort).isEqualTo(Some(12003))
            }

            it("parses ip address") {
                val input = """{  "kafka" : {
                    "kafkaServers": [
                      "192.168.255.1:5005",
                      "192.168.255.26:5006"
                    ]
                  }
                }"""

                val config = FileConfigurationReader().loadConfig(StringReader(input))
                assertThat(config.kafka.nonEmpty()).isTrue()
                val kafka = config.kafka.orNull() as PartialKafkaConfig
                assertThat(kafka.kafkaServers.nonEmpty()).isTrue()
                val addresses = kafka.kafkaServers.orNull() as Array<InetSocketAddress>
                assertThat(addresses)
                        .isEqualTo(arrayOf(
                                InetSocketAddress("192.168.255.1", 5005),
                                InetSocketAddress("192.168.255.26", 5006)
                        ))
            }

            it("parses routing array with RoutingAdapter") {
                val input = """{
                    "kafka" : {
                        "routing" : [
                            {
                              "fromDomain": "perf3gpp",
                              "toTopic": "HV_VES_PERF3GPP"
                            }
                        ]
                    }
                }""".trimIndent()
                val config = FileConfigurationReader().loadConfig(StringReader(input))
                assertThat(config.kafka.nonEmpty()).isTrue()
                val kafka = config.kafka.orNull() as PartialKafkaConfig
                assertThat(kafka.routing.nonEmpty()).isTrue()
                val routing = kafka.routing.orNull() as Routing
                routing.run {
                    assertThat(routes.size).isEqualTo(1)
                    assertThat(routes[0].domain).isEqualTo("perf3gpp")
                    assertThat(routes[0].targetTopic).isEqualTo("HV_VES_PERF3GPP")
                }
            }
        }

        describe("complete file loading") {
            it("loads actual file") {
                val config = FileConfigurationReader().loadConfig(
                        InputStreamReader(
                                FileConfigurationReaderTest.javaClass.getResourceAsStream("/sampleConfig.json")))
                assertThat(config).isNotNull
                assertThat(config.logLevel).isEqualTo(Some(LogLevel.ERROR))

                assertThat(config.security.nonEmpty()).isTrue()
                val security = config.security.orNull() as PartialSecurityConfig
                assertThat(security.sslDisable.orNull()).isFalse()
                assertThat(security.keys.nonEmpty()).isTrue()

                assertThat(config.cbs.nonEmpty()).isTrue()
                val cbs = config.cbs.orNull() as PartialCbsConfig
                assertThat(cbs.firstRequestDelaySec).isEqualTo(Some(7))
                assertThat(cbs.requestIntervalSec).isEqualTo(Some(900))

                assertThat(config.kafka.nonEmpty()).isTrue()
                val kafka = config.kafka.orNull() as PartialKafkaConfig
                assertThat(kafka.kafkaServers.nonEmpty()).isTrue()
                assertThat(kafka.routing.nonEmpty()).isTrue()

                assertThat(config.server.nonEmpty()).isTrue()
                val server = config.server.orNull() as PartialServerConfig
                server.run {
                    assertThat(dummyMode).isEqualTo(Some(false))
                    assertThat(healthCheckApiPort).isEqualTo(Some(5000))
                    assertThat(idleTimeoutSec).isEqualTo(Some(1200))
                    assertThat(listenPort).isEqualTo(Some(6000))
                    assertThat(maximumPayloadSizeBytes).isEqualTo(Some(512000))
                }
            }
        }
    }
})