cps-service/src/test/groovy/org/onap/cps/utils/JsonParserStreamSpec.groovy

   1 package org.onap.cps.utils
   2
   3 import com.google.gson.stream.JsonReader
   4 import org.onap.cps.yang.YangTextSchemaSourceSetBuilder
   5 import org.opendaylight.yangtools.yang.common.QName
   6 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier
   7 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode
   8 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode
   9 import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier
  10 import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream
  11 import org.opendaylight.yangtools.yang.data.impl.schema.Builders
  12 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter
  13 import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder
  14 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  15 import spock.lang.Specification
  16 import org.onap.cps.TestUtils
  17
  18 class JsonParserStreamSpec extends Specification{
  19
  20     def 'Multiple data tree parsing with ODL JsonStreamParser'(){
  21         given: 'json data with two objects and JSON reader'
  22             def jsonData = TestUtils.getResourceFileContent('multiple-object-data.json')
  23             def jsonReader = new JsonReader(new StringReader(jsonData))
  24             def yangResourcesMap = TestUtils.getYangResourcesAsMap('multipleDataTree.yang')
  25         and: 'schema context'
  26             def schemaContext = YangTextSchemaSourceSetBuilder.of(yangResourcesMap).getSchemaContext()
  27         and: 'variable to store the result of parsing'
  28             DataContainerNodeBuilder<YangInstanceIdentifier.NodeIdentifier, ContainerNode> builder =
  29                     Builders.containerBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(schemaContext.getQName()));
  30             def normalizedNodeStreamWriter = ImmutableNormalizedNodeStreamWriter.from(builder);
  31             def jsonCodecFactory = JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02
  32                     .getShared((EffectiveModelContext) schemaContext);
  33         and: 'JSON parser stream'
  34             def jsonParserStream = JsonParserStream.create(normalizedNodeStreamWriter, jsonCodecFactory)
  35         when: 'parsing is invoked with the given JSON reader'
  36             jsonParserStream.parse(jsonReader)
  37             def result = builder.build()
  38         then: 'result is the correct size'
  39             result.size() == 2
  40         then: 'data container child is a type of normalized node'
  41             def dataContainerChild = result.body().getAt(index)
  42             dataContainerChild instanceof NormalizedNode == true
  43         then: 'qualified name created is as expected'
  44             dataContainerChild.identifier.nodeType == QName.create('org:onap:ccsdk:multiDataTree', '2020-09-15', nodeName)
  45         where:
  46             index   | nodeName
  47             0       | 'first-container'
  48             1       | 'last-container'
  49
  50     }
  51 }