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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.flags.json;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.JsonNodeType;
import com.yahoo.vespa.flags.json.wire.WireCondition;
import com.yahoo.vespa.flags.json.wire.WireFlagData;
import org.junit.jupiter.api.Test;
import java.io.IOException;
import java.util.List;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.notNullValue;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* @author hakonhall
*/
public class SerializationTest {
@Test
void emptyJson() throws IOException {
String json = "{\"id\":\"id1\"}";
WireFlagData wireData = WireFlagData.deserialize(json);
assertThat(wireData.id, equalTo("id1"));
assertThat(wireData.defaultFetchVector, nullValue());
assertThat(wireData.rules, nullValue());
assertThat(wireData.serializeToJson(), equalTo(json));
assertThat(FlagData.deserialize(json).serializeToJson(), equalTo(json));
}
@Test
void deserialization() throws IOException {
String json = "{\n" +
" \"id\": \"id2\",\n" +
" \"rules\": [\n" +
" {\n" +
" \"conditions\": [\n" +
" {\n" +
" \"type\": \"whitelist\",\n" +
" \"dimension\": \"application\",\n" +
" \"values\": [ \"a1\", \"a2\" ]\n" +
" },\n" +
" {\n" +
" \"type\": \"blacklist\",\n" +
" \"dimension\": \"hostname\",\n" +
" \"values\": [ \"h1\" ]\n" +
" },\n" +
" {\n" +
" \"type\": \"relational\",\n" +
" \"dimension\": \"vespa-version\",\n" +
" \"predicate\": \">=7.3.4\"\n" +
" }\n" +
" ],\n" +
" \"value\": true\n" +
" }\n" +
" ],\n" +
" \"attributes\": {\n" +
" \"zone\": \"z1\",\n" +
" \"application\": \"a1\",\n" +
" \"hostname\": \"h1\",\n" +
" \"node-type\": \"nt1\"\n" +
" }\n" +
"}";
WireFlagData wireData = WireFlagData.deserialize(json);
assertThat(wireData.id, equalTo("id2"));
// rule
assertThat(wireData.rules.size(), equalTo(1));
assertThat(wireData.rules.get(0).andConditions.size(), equalTo(3));
assertThat(wireData.rules.get(0).value.getNodeType(), equalTo(JsonNodeType.BOOLEAN));
assertThat(wireData.rules.get(0).value.asBoolean(), equalTo(true));
// first condition
WireCondition whitelistCondition = wireData.rules.get(0).andConditions.get(0);
assertThat(whitelistCondition.type, equalTo("whitelist"));
assertThat(whitelistCondition.dimension, equalTo("application"));
assertThat(whitelistCondition.values, equalTo(List.of("a1", "a2")));
// second condition
WireCondition blacklistCondition = wireData.rules.get(0).andConditions.get(1);
assertThat(blacklistCondition.type, equalTo("blacklist"));
assertThat(blacklistCondition.dimension, equalTo("hostname"));
assertThat(blacklistCondition.values, equalTo(List.of("h1")));
// third condition
WireCondition relationalCondition = wireData.rules.get(0).andConditions.get(2);
assertThat(relationalCondition.type, equalTo("relational"));
assertThat(relationalCondition.dimension, equalTo("vespa-version"));
assertThat(relationalCondition.predicate, equalTo(">=7.3.4"));
// attributes
assertThat(wireData.defaultFetchVector, notNullValue());
assertThat(wireData.defaultFetchVector.get("zone"), equalTo("z1"));
assertThat(wireData.defaultFetchVector.get("application"), equalTo("a1"));
assertThat(wireData.defaultFetchVector.get("hostname"), equalTo("h1"));
assertThat(wireData.defaultFetchVector.get("node-type"), equalTo("nt1"));
// Verify serialization of RawFlag == serialization by ObjectMapper
ObjectMapper mapper = new ObjectMapper();
String serializedWithObjectMapper = mapper.writeValueAsString(mapper.readTree(json));
assertThat(wireData.serializeToJson(), equalTo(serializedWithObjectMapper));
// Unfortunately the order of attributes members are different...
// assertThat(FlagData.deserialize(json).serializeToJson(), equalTo(serializedWithObjectMapper));
}
@Test
void jsonWithStrayFields() {
String json = """
{
"id": "id3",
"foo": true,
"rules": [
{
"conditions": [
{
"type": "whitelist",
"dimension": "zone",
"bar": "zoo"
}
],
"other": true
}
],
"attributes": {
}
}""";
WireFlagData wireData = WireFlagData.deserialize(json);
assertThat(wireData.rules.size(), equalTo(1));
assertThat(wireData.rules.get(0).andConditions.size(), equalTo(1));
WireCondition whitelistCondition = wireData.rules.get(0).andConditions.get(0);
assertThat(whitelistCondition.type, equalTo("whitelist"));
assertThat(whitelistCondition.dimension, equalTo("zone"));
assertThat(whitelistCondition.values, nullValue());
assertThat(wireData.rules.get(0).value, nullValue());
assertTrue(wireData.defaultFetchVector.isEmpty());
assertThat(wireData.serializeToJson(), equalTo("{\"id\":\"id3\",\"rules\":[{\"conditions\":[{\"type\":\"whitelist\",\"dimension\":\"zone\"}]}],\"attributes\":{}}"));
assertThat(FlagData.deserialize(json).serializeToJson(), equalTo("{\"id\":\"id3\"}"));
}
}
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