Switch from Guava Optionals to Java 8 Optionals

This was a surprisingly involved change. Some of the difficulties included
java.util.Optional purposely not being Serializable (so I had to move a
few Optionals in mapreduce classes to @Nullable) and having to add the Truth
Java8 extension library for assertion support.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171863777
This commit is contained in:
mcilwain 2017-10-11 13:09:26 -07:00 committed by jianglai
parent 184b2b56ac
commit c0f8da0c6e
581 changed files with 1325 additions and 932 deletions

View file

@ -15,6 +15,7 @@
package google.registry.tools.params;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth8.assertThat;
import google.registry.testing.ExceptionRule;
import org.junit.Rule;
@ -44,11 +45,11 @@ public class PhoneNumberParameterTest {
@Test
public void testConvert_empty_returnsAbsent() throws Exception {
assertThat(instance.convert("")).isAbsent();
assertThat(instance.convert("")).isEmpty();
}
@Test
public void testConvert_nullString_returnsAbsent() throws Exception {
assertThat(instance.convert("null")).isAbsent();
assertThat(instance.convert("null")).isEmpty();
}
}