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/*
 * Copyright © 2019 IBM, Bell Canada.
 *
 * 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.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.processor

import com.fasterxml.jackson.databind.JsonNode
import kotlinx.coroutines.runBlocking
import org.junit.Test
import org.junit.runner.RunWith
import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintPropertiesService
import org.onap.ccsdk.cds.blueprintsprocessor.core.BluePrintPropertyConfiguration
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.ResourceAssignmentRuntimeService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.mock.MockBluePrintRestLibPropertyService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.mock.MockBlueprintWebClientService
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.mock.MockRestResourceResolutionProcessor
import org.onap.ccsdk.cds.blueprintsprocessor.functions.resource.resolution.utils.ResourceAssignmentUtils
import org.onap.ccsdk.cds.blueprintsprocessor.rest.RestClientProperties
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintConstants
import org.onap.ccsdk.cds.controllerblueprints.core.data.PropertyDefinition
import org.onap.ccsdk.cds.controllerblueprints.core.utils.BluePrintMetadataUtils
import org.onap.ccsdk.cds.controllerblueprints.core.utils.JacksonUtils
import org.onap.ccsdk.cds.controllerblueprints.resource.dict.ResourceAssignment
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.test.context.ContextConfiguration
import org.springframework.test.context.TestPropertySource
import org.springframework.test.context.junit4.SpringRunner
import kotlin.test.AfterTest
import kotlin.test.BeforeTest
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertTrue

@RunWith(SpringRunner::class)
@ContextConfiguration(
    classes = [
        MockRestResourceResolutionProcessor::class, MockBluePrintRestLibPropertyService::class,
        BluePrintPropertyConfiguration::class, BluePrintPropertiesService::class, RestClientProperties::class
    ]
)
@TestPropertySource(locations = ["classpath:application-test.properties"])
class RestResourceResolutionProcessorTest {

    @Autowired
    lateinit var bluePrintRestLibPropertyService: MockBluePrintRestLibPropertyService

    private lateinit var restResourceResolutionProcessor: MockRestResourceResolutionProcessor

    @BeforeTest
    fun init() {
        restResourceResolutionProcessor = MockRestResourceResolutionProcessor(bluePrintRestLibPropertyService)
        runBlocking {
            val bluePrintContext = BluePrintMetadataUtils.getBluePrintContext(
                "./../../../../components/model-catalog/blueprint-model/test-blueprint/baseconfiguration"
            )

            val resourceAssignmentRuntimeService = ResourceAssignmentRuntimeService("1234", bluePrintContext)

            restResourceResolutionProcessor.raRuntimeService = resourceAssignmentRuntimeService
            restResourceResolutionProcessor.resourceDictionaries = ResourceAssignmentUtils
                .resourceDefinitions(bluePrintContext.rootPath)

            val scriptPropertyInstances: MutableMap<String, Any> = mutableMapOf()
            scriptPropertyInstances["mock-service1"] = MockCapabilityService()
            scriptPropertyInstances["mock-service2"] = MockCapabilityService()

            restResourceResolutionProcessor.scriptPropertyInstances = scriptPropertyInstances
        }
    }

    @AfterTest
    fun tearDown() {
        bluePrintRestLibPropertyService.tearDown()
    }

    private fun getExpectedJsonResponse(field: String? = null): JsonNode {
        val node = JacksonUtils.jsonNode(MockBlueprintWebClientService.JSON_OUTPUT)
        return if (field != null)
            node.get(field)
        else
            node
    }

    @Test
    fun `test rest resource resolution sdnc`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "vnf_name"
                dictionaryName = "vnf_name"
                dictionarySource = "sdnc"
                property = PropertyDefinition().apply {
                    type = "string"
                    required = true
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertTrue(result, "get Rest resource assignment failed")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_SUCCESS,
                "get Rest resource assignment failed"
            )
            val value = restResourceResolutionProcessor.raRuntimeService.getResolutionStore(resourceAssignment.name)
            println("Resolution result: $result, status: ${resourceAssignment.status}, value: ${value.asText()}")
            assertEquals(
                getExpectedJsonResponse(resourceAssignment.name).asText(),
                value.asText(),
                "get Rest resource assignment failed - enexpected value"
            )
        }
    }

    @Test
    fun `test rest resource resolution get required fails`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "rr-aai-empty"
                dictionaryName = "aai-get-resource-null"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "string"
                    required = true
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertFalse(result, "get Rest resource assignment succeeded while it should fail")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_FAILURE,
                "get Rest resource assignment succeeded while it should fail"
            )
            println("Resolution result: $result, status: ${resourceAssignment.status}")
        }
    }

    @Test
    fun `test rest resource resolution get with wrong mapping fails`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "rr-aai-wrong-mapping"
                dictionaryName = "aai-get-resource-wrong-mapping"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "string"
                    required = false
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertFalse(result, "get Rest resource assignment succeeded while it should fail")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_FAILURE,
                "get Rest resource assignment succeeded while it should fail"
            )
            println("Resolution result: $result, status: ${resourceAssignment.status}")
        }
    }

    @Test
    fun `test rest resource resolution get without output mapping`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "rr-aai-empty"
                dictionaryName = "aai-get-resource-null"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "string"
                    required = false
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertTrue(result, "get Rest resource assignment failed")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_SUCCESS,
                "get Rest resource assignment failed"
            )
            println("Resolution result: $result, status: ${resourceAssignment.status}")
        }
    }

    @Test
    fun `test rest resource resolution aai get string`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "vnf-id"
                dictionaryName = "aai-get-resource"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "string"
                    required = true
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertTrue(result, "get AAI string Rest resource assignment failed")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_SUCCESS,
                "get AAI string Rest resource assignment failed"
            )
            val value = restResourceResolutionProcessor.raRuntimeService.getResolutionStore(resourceAssignment.name)
            println("Resolution result: $result, status: ${resourceAssignment.status}, value: ${value.asText()}")
            assertEquals(
                getExpectedJsonResponse(resourceAssignment.name).asText(),
                value.asText(),
                "get Rest resource assignment failed - enexpected value"
            )
        }
    }

    @Test
    fun `test rest resource resolution aai get json`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "generic-vnf"
                dictionaryName = "aai-get-json-resource"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "json"
                    required = true
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertTrue(result, "get AAI json Rest resource assignment failed")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_SUCCESS,
                "get AAI json Rest resource assignment failed"
            )
            val value = restResourceResolutionProcessor.raRuntimeService.getResolutionStore(resourceAssignment.name)
            println("Resolution result: $result, status: ${resourceAssignment.status}, value: ${value.toPrettyString()}")
            assertEquals(
                getExpectedJsonResponse().toPrettyString(),
                value.toPrettyString(),
                "get Rest resource assignment failed - enexpected value"
            )
        }
    }

    @Test
    fun `test rest resource resolution aai put`() {
        runBlocking {
            val resourceAssignment = ResourceAssignment().apply {
                name = "rr-aai"
                dictionaryName = "aai-put-resource"
                dictionarySource = "aai-data"
                property = PropertyDefinition().apply {
                    type = "string"
                }
            }

            val result = restResourceResolutionProcessor.applyNB(resourceAssignment)
            assertTrue(result, "put AAI Rest resource assignment failed")
            assertEquals(
                resourceAssignment.status, BluePrintConstants.STATUS_SUCCESS,
                "put AAI json Rest resource assignment failed"
            )
            println("Resolution result: $result, status: ${resourceAssignment.status}")
        }
    }
}