| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.metron.common.utils; |
| |
| import static org.hamcrest.CoreMatchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.adrianwalker.multilinestring.Multiline; |
| import org.apache.metron.test.utils.UnitTestHelper; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class JSONUtilsTest { |
| |
| private static File tmpDir; |
| |
| /** |
| * { "a" : "hello", "b" : "world" } |
| */ |
| @Multiline |
| private static String config; |
| private static File configFile; |
| |
| @BeforeClass |
| public static void setUp() throws Exception { |
| tmpDir = UnitTestHelper.createTempDir(new File("target/jsonutilstest")); |
| configFile = UnitTestHelper.write(new File(tmpDir, "config.json"), config); |
| } |
| |
| @Test |
| public void loads_file_with_typeref() throws Exception { |
| Map<String, Object> expected = new HashMap<String, Object>() {{ |
| put("a", "hello"); |
| put("b", "world"); |
| }}; |
| Map<String, Object> actual = JSONUtils.INSTANCE |
| .load(configFile, JSONUtils.MAP_SUPPLIER); |
| assertThat("config not equal", actual, equalTo(expected)); |
| } |
| |
| @Test |
| public void loads_file_with_map_class() throws Exception { |
| Map<String, Object> expected = new HashMap<String, Object>() {{ |
| put("a", "hello"); |
| put("b", "world"); |
| }}; |
| Map<String, Object> actual = JSONUtils.INSTANCE.load(configFile, Map.class); |
| assertThat("config not equal", actual, equalTo(expected)); |
| } |
| |
| @Test |
| public void loads_file_with_custom_class() throws Exception { |
| TestConfig expected = new TestConfig().setA("hello").setB("world"); |
| TestConfig actual = JSONUtils.INSTANCE.load(configFile, TestConfig.class); |
| assertThat("a not equal", actual.getA(), equalTo(expected.getA())); |
| assertThat("b not equal", actual.getB(), equalTo(expected.getB())); |
| } |
| |
| public static class TestConfig { |
| |
| private String a; |
| private String b; |
| |
| public String getA() { |
| return a; |
| } |
| |
| public TestConfig setA(String a) { |
| this.a = a; |
| return this; |
| } |
| |
| public String getB() { |
| return b; |
| } |
| |
| public TestConfig setB(String b) { |
| this.b = b; |
| return this; |
| } |
| } |
| |
| /** |
| * { "a": "b" } |
| */ |
| @Multiline |
| public static String sourceJson; |
| |
| /** |
| * [{ "op": "move", "from": "/a", "path": "/c" }] |
| */ |
| @Multiline |
| public static String patchJson; |
| |
| /** |
| * { "c": "b" } |
| */ |
| @Multiline |
| public static String expectedJson; |
| |
| @Test |
| public void applyPatch_modifies_source_json_doc() throws IOException { |
| String actual = new String(JSONUtils.INSTANCE.applyPatch(patchJson, sourceJson), |
| StandardCharsets.UTF_8); |
| assertThat(JSONUtils.INSTANCE.load(actual, JSONUtils.MAP_SUPPLIER), equalTo(JSONUtils.INSTANCE.load(expectedJson, JSONUtils.MAP_SUPPLIER))); |
| } |
| |
| /** |
| * { |
| * "foo" : { |
| * "bar" : { |
| * "baz" : [ "val1", "val2" ] |
| * } |
| * } |
| * } |
| */ |
| @Multiline |
| public static String complexJson; |
| |
| /** |
| * [{ "op": "add", "path": "/foo/bar/baz", "value": [ "new1", "new2" ] }] |
| */ |
| @Multiline |
| public static String patchComplexJson; |
| |
| /** |
| * { |
| * "foo" : { |
| * "bar" : { |
| * "baz" : [ "new1", "new2" ] |
| * } |
| * } |
| * } |
| */ |
| @Multiline |
| public static String expectedComplexJson; |
| |
| @Test |
| public void applyPatch_modifies_complex_source_json_doc() throws IOException { |
| String actual = new String(JSONUtils.INSTANCE.applyPatch(patchComplexJson, complexJson), |
| StandardCharsets.UTF_8); |
| assertThat(JSONUtils.INSTANCE.load(actual, JSONUtils.MAP_SUPPLIER), equalTo(JSONUtils.INSTANCE.load(expectedComplexJson, JSONUtils.MAP_SUPPLIER))); |
| } |
| |
| } |