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Diffstat (limited to 'appc-common/src/test/java/org/onap/appc/util/JsonUtilTest.java')
-rw-r--r-- | appc-common/src/test/java/org/onap/appc/util/JsonUtilTest.java | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/appc-common/src/test/java/org/onap/appc/util/JsonUtilTest.java b/appc-common/src/test/java/org/onap/appc/util/JsonUtilTest.java new file mode 100644 index 000000000..6d2ac7094 --- /dev/null +++ b/appc-common/src/test/java/org/onap/appc/util/JsonUtilTest.java @@ -0,0 +1,123 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : APPC + * ================================================================================ + * Copyright (C) 2017 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. + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * ============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; + } + } +} + + |