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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.utils
import com.fasterxml.jackson.core.JsonProcessingException
import com.fasterxml.jackson.databind.ObjectMapper
import com.fasterxml.jackson.databind.SerializationFeature
import groovy.json.JsonSlurper
import org.onap.cps.TestUtils
import org.onap.cps.spi.exceptions.DataValidationException
import spock.lang.Specification
class JsonObjectMapperSpec extends Specification {
def spiedObjectMapper = Spy(ObjectMapper)
def jsonObjectMapper = new JsonObjectMapper(spiedObjectMapper)
def 'Map a structured object to json String.'() {
given: 'an object model'
def object = spiedObjectMapper.readValue(TestUtils.getResourceFileContent('bookstore.json'), Object)
when: 'the object is mapped to string'
def content = jsonObjectMapper.asJsonString(object);
then: 'the result is a valid json string (can be parsed)'
def contentMap = new JsonSlurper().parseText(content)
and: 'the parsed content is as expected'
assert contentMap.'test:bookstore'.'bookstore-name' == 'Chapters/Easons'
}
def 'Map a structured object to json String error.'() {
given: 'some object'
def object = new Object()
and: 'the Object mapper throws an exception'
spiedObjectMapper.writeValueAsString(object) >> { throw new JsonProcessingException('Sample problem'){} }
when: 'attempting to convert the object to a string'
jsonObjectMapper.asJsonString(object);
then: 'a Data Validation Exception is thrown'
def thrown = thrown(DataValidationException)
and: 'the details containing the original error message'
assert thrown.details == 'Sample problem'
}
def 'Map a structurally compatible object to class object of specific class type T.'() {
given: 'a map object model'
def contentMap = new JsonSlurper().parseText(TestUtils.getResourceFileContent('bookstore.json'))
when: 'converted into a Map'
def result = jsonObjectMapper.convertToValueType(contentMap, Map);
then: 'the result is a mapped into class of type Map'
assert result instanceof Map
and: 'the map contains the expected key'
assert result.containsKey('test:bookstore')
assert result.'test:bookstore'.categories[0].name == 'SciFi'
}
def 'Mapping an unstructured json string to class object of specific class type T.'() {
given: 'Unstructured json string'
def content = '{ "nest": { "birds": "bird"] } }'
when: 'mapping json string to given class type'
jsonObjectMapper.convertJsonString(content, Map);
then: 'an exception is thrown'
thrown(DataValidationException)
}
def 'Map an incompatible object to class object of specific class type T.'() {
given: 'a map object model'
def contentMap = new JsonSlurper().parseText(TestUtils.getResourceFileContent('bookstore.json'))
and: 'Object mapper throws an exception'
spiedObjectMapper.convertValue(*_) >> { throw new IllegalArgumentException() }
when: 'converted into specific class type'
jsonObjectMapper.convertToValueType(contentMap, Object);
then: 'an exception is thrown'
thrown(DataValidationException)
}
def 'Map a unstructured object to json String.'() {
given: 'Unstructured object'
def object = new Object()
and: 'disable serialization failure on empty bean'
spiedObjectMapper.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
when: 'the object is mapped to string'
jsonObjectMapper.asJsonString(object);
then: 'no exception is thrown'
noExceptionThrown()
}
def 'Map a structurally compatible json String to JsonNode.'() {
given: 'Unstructured object'
def content = '{ "nest": { "birds": "bird" } }'
when: 'the object is mapped to string'
def result = jsonObjectMapper.convertToJsonNode(content);
then: 'the result is a valid JsonNode'
result.fieldNames().next() == "nest"
}
def 'Map a unstructured json String to JsonNode.'() {
given: 'Unstructured object'
def content = '{ "nest": { "birds": "bird" }] }'
when: 'the object is mapped to string'
jsonObjectMapper.convertToJsonNode(content);
then: 'a data validation exception is thrown'
thrown(DataValidationException)
}
}
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