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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* 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.appc.util;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.core.JsonParseException;
import java.io.FileNotFoundException;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import static org.junit.Assert.*;
public class JsonUtilTest {
@Test(expected = NullPointerException.class)
public void should_throw_exception_when_json_string_is_null() throws IOException {
JsonUtil.convertJsonStringToFlatMap(null);
}
@Test(expected = JsonParseException.class)
public void should_throw_exception_when_invalid_json_string() throws IOException {
JsonUtil.convertJsonStringToFlatMap("{key: value}");
}
@Test
public void should_convert_json_string_to_flat_map() throws IOException {
String jsonString = "{\"A\":\"A-value\",\"B\":{\"C\":\"B.C-value\",\"D\":\"B.D-value\"}}";
Map<String, String> flatMap = JsonUtil.convertJsonStringToFlatMap(jsonString);
Map<String, String> expectedMap = new HashMap<>();
expectedMap.put("A", "A-value");
expectedMap.put("B.C", "B.C-value");
expectedMap.put("B.D", "B.D-value");
assertEquals(expectedMap, flatMap);
assertNotNull(flatMap);
}
@Test
public void should_convert_json_string_to_flat_map_with_nested_json() throws IOException {
String jsonString = "{\"A\":\"A-value\",\"B\":\"{\\\"C\\\":\\\"C-value\\\",\\\"D\\\":\\\"D-value\\\"}\"}";
Map<String, String> flatMap = JsonUtil.convertJsonStringToFlatMap(jsonString);
Map<String, String> expectedMap = new HashMap<>();
expectedMap.put("A", "A-value");
expectedMap.put("B", "{\"C\":\"C-value\",\"D\":\"D-value\"}");
assertEquals(expectedMap, flatMap);
assertNotNull(flatMap);
}
@Test(expected = FileNotFoundException.class)
public void should_throw_exception_when_not_found_json_file() throws IOException {
JsonUtil.readInputJson("not-existing.json", DummyClass.class);
}
@Test(expected = JsonParseException.class)
public void should_throw_exception_when_invalid_json_file() throws IOException {
JsonUtil.readInputJson("/invalid.json", DummyClass.class);
}
@Test
public void should_parse_valid_json_file () throws IOException {
DummyClass dummyClass = JsonUtil.readInputJson("/valid.json", DummyClass.class);
assertEquals("dummy name", dummyClass.getName());
assertEquals(99, dummyClass.getValue());
}
private static class DummyClass {
private String name;
private int value;
public DummyClass(@JsonProperty("name") String name, @JsonProperty("value") int someValue) {
this.name = name;
this.value = someValue;
}
public String getName() {
return name;
}
public int getValue() {
return value;
}
}
}
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