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ResponseNormalizationTest.java
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ResponseNormalizationTest.java
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package com.apollographql.apollo;
import com.apollographql.apollo.api.Input;
import com.apollographql.apollo.api.Query;
import com.apollographql.apollo.api.Response;
import com.apollographql.apollo.cache.CacheHeaders;
import com.apollographql.apollo.cache.normalized.CacheKey;
import com.apollographql.apollo.cache.normalized.CacheReference;
import com.apollographql.apollo.cache.normalized.NormalizedCache;
import com.apollographql.apollo.cache.normalized.Record;
import com.apollographql.apollo.cache.normalized.lru.EvictionPolicy;
import com.apollographql.apollo.cache.normalized.lru.LruNormalizedCacheFactory;
import com.apollographql.apollo.integration.httpcache.AllPlanetsQuery;
import com.apollographql.apollo.integration.normalizer.EpisodeHeroNameQuery;
import com.apollographql.apollo.integration.normalizer.HeroAndFriendsNamesQuery;
import com.apollographql.apollo.integration.normalizer.HeroAndFriendsNamesWithIDForParentOnlyQuery;
import com.apollographql.apollo.integration.normalizer.HeroAndFriendsNamesWithIDsQuery;
import com.apollographql.apollo.integration.normalizer.HeroAppearsInQuery;
import com.apollographql.apollo.integration.normalizer.HeroNameQuery;
import com.apollographql.apollo.integration.normalizer.HeroParentTypeDependentFieldQuery;
import com.apollographql.apollo.integration.normalizer.HeroTypeDependentAliasedFieldQuery;
import com.apollographql.apollo.integration.normalizer.SameHeroTwiceQuery;
import io.reactivex.functions.Predicate;
import okhttp3.Dispatcher;
import okhttp3.OkHttpClient;
import okhttp3.mockwebserver.MockWebServer;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import static com.apollographql.apollo.integration.normalizer.type.Episode.EMPIRE;
import static com.apollographql.apollo.integration.normalizer.type.Episode.JEDI;
import static com.google.common.truth.Truth.assertThat;
public class ResponseNormalizationTest {
private ApolloClient apolloClient;
@Rule public final MockWebServer server = new MockWebServer();
private NormalizedCache normalizedCache;
private static final String TEST_FIELD_KEY_JEDI = "hero({\"episode\":\"JEDI\"})";
public static final String TEST_FIELD_KEY_EMPIRE = "hero({\"episode\":\"EMPIRE\"})";
private final String QUERY_ROOT_KEY = "QUERY_ROOT";
@Before public void setUp() {
OkHttpClient okHttpClient = new OkHttpClient.Builder()
.dispatcher(new Dispatcher(Utils.INSTANCE.immediateExecutorService()))
.build();
apolloClient = ApolloClient.builder()
.serverUrl(server.url("/"))
.okHttpClient(okHttpClient)
.normalizedCache(new LruNormalizedCacheFactory(EvictionPolicy.NO_EVICTION), new IdFieldCacheKeyResolver())
.dispatcher(Utils.INSTANCE.immediateExecutor())
.build();
normalizedCache = apolloClient.getApolloStore().normalizedCache();
}
@Test public void testHeroName() throws Exception {
assertHasNoErrors("HeroNameResponse.json", new HeroNameQuery());
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference reference = (CacheReference) record.field("hero");
assertThat(reference).isEqualTo(new CacheReference("hero"));
final Record heroRecord = normalizedCache.loadRecord(reference.key(), CacheHeaders.NONE);
assertThat(heroRecord.field("name")).isEqualTo("R2-D2");
}
@Test public void testMergeNull() throws Exception {
Record record = Record.builder("Key")
.addField("field1", "value1")
.build();
normalizedCache.merge(Collections.singletonList(record), CacheHeaders.NONE);
Record newRecord = record.toBuilder()
.addField("field2", null)
.build();
normalizedCache.merge(Collections.singletonList(newRecord), CacheHeaders.NONE);
final Record finalRecord = normalizedCache.loadRecord(record.key(), CacheHeaders.NONE);
assertThat(finalRecord.hasField("field2")).isTrue();
normalizedCache.remove(CacheKey.from(record.key()));
}
@Test
public void testHeroNameWithVariable() throws Exception {
assertHasNoErrors("EpisodeHeroNameResponse.json", new EpisodeHeroNameQuery(Input.fromNullable(JEDI)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference reference = (CacheReference) record.field(TEST_FIELD_KEY_JEDI);
assertThat(reference).isEqualTo(new CacheReference(TEST_FIELD_KEY_JEDI));
final Record heroRecord = normalizedCache.loadRecord(reference.key(), CacheHeaders.NONE);
assertThat(heroRecord.field("name")).isEqualTo("R2-D2");
}
@Test
public void testHeroAppearsInQuery() throws Exception {
assertHasNoErrors("HeroAppearsInResponse.json", new HeroAppearsInQuery());
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field("hero");
assertThat(heroReference).isEqualTo(new CacheReference("hero"));
final Record hero = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(hero.field("appearsIn")).isEqualTo(Arrays.asList("NEWHOPE", "EMPIRE", "JEDI"));
}
@Test
public void testHeroAndFriendsNamesQueryWithoutIDs() throws Exception {
assertHasNoErrors("HeroAndFriendsNameResponse.json", new HeroAndFriendsNamesQuery(Input.fromNullable(JEDI)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_JEDI);
assertThat(heroReference).isEqualTo(new CacheReference(TEST_FIELD_KEY_JEDI));
final Record heroRecord = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(heroRecord.field("name")).isEqualTo("R2-D2");
assertThat(heroRecord.field("friends")).isEqualTo(Arrays.asList(
new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.0"),
new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.1"),
new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.2")
));
final Record luke = normalizedCache.loadRecord(TEST_FIELD_KEY_JEDI + ".friends.0", CacheHeaders.NONE);
assertThat(luke.field("name")).isEqualTo("Luke Skywalker");
}
@Test
public void testHeroAndFriendsNamesQueryWithIDs() throws Exception {
assertHasNoErrors("HeroAndFriendsNameWithIdsResponse.json", new HeroAndFriendsNamesWithIDsQuery(Input.fromNullable(JEDI)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_JEDI);
assertThat(heroReference).isEqualTo(new CacheReference("2001"));
final Record heroRecord = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(heroRecord.field("name")).isEqualTo("R2-D2");
assertThat(heroRecord.field("friends")).isEqualTo(Arrays.asList(
new CacheReference("1000"),
new CacheReference("1002"),
new CacheReference("1003")
));
final Record luke = normalizedCache.loadRecord("1000", CacheHeaders.NONE);
assertThat(luke.field("name")).isEqualTo("Luke Skywalker");
}
@Test
public void testHeroAndFriendsNamesWithIDForParentOnly() throws Exception {
assertHasNoErrors("HeroAndFriendsNameWithIdsParentOnlyResponse.json",
new HeroAndFriendsNamesWithIDForParentOnlyQuery(Input.fromNullable(JEDI)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_JEDI);
assertThat(heroReference).isEqualTo(new CacheReference("2001"));
final Record heroRecord = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(heroRecord.field("name")).isEqualTo("R2-D2");
assertThat(heroRecord.field("friends")).isEqualTo(Arrays.asList(
new CacheReference("2001.friends.0"),
new CacheReference("2001.friends.1"),
new CacheReference("2001.friends.2")
));
final Record luke = normalizedCache.loadRecord("2001.friends.0", CacheHeaders.NONE);
assertThat(luke.field("name")).isEqualTo("Luke Skywalker");
}
@Test
public void testSameHeroTwiceQuery() throws Exception {
assertHasNoErrors("SameHeroTwiceResponse.json", new SameHeroTwiceQuery());
Record record = normalizedCache
.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field("hero");
final Record hero = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(hero.field("name")).isEqualTo("R2-D2");
assertThat(hero.field("appearsIn")).isEqualTo(Arrays.asList("NEWHOPE", "EMPIRE", "JEDI"));
}
@Test
public void testHeroTypeDependentAliasedFieldQueryDroid() throws Exception {
assertHasNoErrors("HeroTypeDependentAliasedFieldResponse.json",
new HeroTypeDependentAliasedFieldQuery(Input.fromNullable(JEDI)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_JEDI);
final Record hero = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(hero.field("primaryFunction")).isEqualTo("Astromech");
assertThat(hero.field("__typename")).isEqualTo("Droid");
}
@Test
public void testHeroTypeDependentAliasedFieldQueryHuman() throws Exception {
assertHasNoErrors("HeroTypeDependentAliasedFieldResponseHuman.json",
new HeroTypeDependentAliasedFieldQuery(Input.fromNullable(EMPIRE)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_EMPIRE);
final Record hero = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(hero.field("homePlanet")).isEqualTo("Tatooine");
assertThat(hero.field("__typename")).isEqualTo("Human");
}
@Test
public void testHeroParentTypeDependentAliasedFieldQueryHuman() throws Exception {
assertHasNoErrors("HeroTypeDependentAliasedFieldResponseHuman.json",
new HeroTypeDependentAliasedFieldQuery(Input.fromNullable(EMPIRE)));
Record record = normalizedCache.loadRecord(QUERY_ROOT_KEY, CacheHeaders.NONE);
CacheReference heroReference = (CacheReference) record.field(TEST_FIELD_KEY_EMPIRE);
final Record hero = normalizedCache.loadRecord(heroReference.key(), CacheHeaders.NONE);
assertThat(hero.field("homePlanet")).isEqualTo("Tatooine");
assertThat(hero.field("__typename")).isEqualTo("Human");
}
@Test
public void testHeroParentTypeDependentFieldDroid() throws Exception {
assertHasNoErrors("HeroParentTypeDependentFieldDroidResponse.json",
new HeroParentTypeDependentFieldQuery(Input.fromNullable(JEDI)));
Record lukeRecord = normalizedCache
.loadRecord(TEST_FIELD_KEY_JEDI + ".friends.0", CacheHeaders.NONE);
assertThat(lukeRecord.field("name")).isEqualTo("Luke Skywalker");
assertThat(lukeRecord.field("height({\"unit\":\"METER\"})")).isEqualTo(BigDecimal.valueOf(1.72));
final List<Object> friends = (List<Object>) normalizedCache
.loadRecord(TEST_FIELD_KEY_JEDI, CacheHeaders.NONE).field("friends");
assertThat(friends.get(0)).isEqualTo(new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.0"));
assertThat(friends.get(1)).isEqualTo(new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.1"));
assertThat(friends.get(2)).isEqualTo(new CacheReference(TEST_FIELD_KEY_JEDI + ".friends.2"));
}
@Test
public void testHeroParentTypeDependentFieldHuman() throws Exception {
assertHasNoErrors("HeroParentTypeDependentFieldHumanResponse.json",
new HeroParentTypeDependentFieldQuery(Input.fromNullable(EMPIRE)));
Record lukeRecord = normalizedCache
.loadRecord(TEST_FIELD_KEY_EMPIRE + ".friends.0", CacheHeaders.NONE);
assertThat(lukeRecord.field("name")).isEqualTo("Han Solo");
assertThat(lukeRecord.field("height({\"unit\":\"FOOT\"})")).isEqualTo(BigDecimal.valueOf(5.905512));
}
@Test public void list_of_objects_with_null_object() throws Exception {
assertHasNoErrors("AllPlanetsListOfObjectWithNullObject.json", new AllPlanetsQuery());
String fieldKey = "allPlanets({\"first\":300})";
Record record = normalizedCache
.loadRecord(fieldKey + ".planets.0", CacheHeaders.NONE);
assertThat(record.field("filmConnection")).isNull();
record = normalizedCache
.loadRecord(fieldKey + ".planets.0.filmConnection", CacheHeaders.NONE);
assertThat(record).isNull();
record = normalizedCache
.loadRecord(fieldKey + ".planets.1.filmConnection", CacheHeaders.NONE);
assertThat(record).isNotNull();
}
private <T> void assertHasNoErrors(String mockResponse, Query<?, T, ?> query) throws Exception {
Utils.INSTANCE.enqueueAndAssertResponse(
server,
mockResponse,
apolloClient.query(query),
new Predicate<Response<T>>() {
@Override public boolean test(Response<T> response) throws Exception {
return !response.hasErrors();
}
}
);
}
}