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add orDefault methods to promises & more factory overloads

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tommyskeff
2025-01-09 09:59:19 +00:00
parent e10db36a63
commit df9e418091
11 changed files with 346 additions and 247 deletions
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49
futur-api/src/test/java/dev/tommyjs/futur/PromiseTests.java
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@@ -1,5 +1,6 @@
package dev.tommyjs.futur;
import dev.tommyjs.futur.promise.CompletablePromise;
import dev.tommyjs.futur.promise.Promise;
import dev.tommyjs.futur.promise.PromiseFactory;
import org.junit.jupiter.api.Test;
@@ -10,6 +11,7 @@ import java.util.List;
import java.util.Map;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
public final class PromiseTests {
@@ -96,7 +98,7 @@ public final class PromiseTests {
)
.get(100L, TimeUnit.MILLISECONDS);
promises.combine(
promises.combineMapped(
Map.of(
"a", promises.start().thenRunDelayedAsync(() -> {}, 50, TimeUnit.MILLISECONDS),
"b", promises.start().thenRunDelayedAsync(() -> {}, 50, TimeUnit.MILLISECONDS)
@@ -139,7 +141,7 @@ public final class PromiseTests {
.cancel();
var finished5 = new AtomicBoolean();
promises.combine(
promises.combineMapped(
Map.of(
"a", promises.start().thenRunDelayedAsync(() -> finished5.set(true), 50, TimeUnit.MILLISECONDS),
"b", promises.start().thenRunDelayedAsync(() -> finished5.set(true), 50, TimeUnit.MILLISECONDS)
@@ -165,4 +167,47 @@ public final class PromiseTests {
).await();
}
@Test
public void testOrDefault() {
CompletablePromise<Integer> promise = promises.unresolved();
AtomicReference<Integer> res = new AtomicReference<>();
promise.orDefault(10).thenPopulateReference(res);
promise.completeExceptionally(new IllegalStateException("Test"));
assert res.get() == 10;
}
@Test
public void testOrDefaultSupplier() {
CompletablePromise<Integer> promise = promises.unresolved();
AtomicReference<Integer> res = new AtomicReference<>();
promise.orDefault(() -> 10).thenPopulateReference(res);
promise.completeExceptionally(new IllegalStateException("Test"));
assert res.get() == 10;
}
@Test
public void testOrDefaultFunction() {
CompletablePromise<Integer> promise = promises.unresolved();
AtomicReference<Integer> res = new AtomicReference<>();
promise.orDefault(e -> {
assert e instanceof IllegalStateException;
return 10;
}).thenPopulateReference(res);
promise.completeExceptionally(new IllegalStateException("Test"));
assert res.get() == 10;
}
@Test
public void testOrDefaultError() {
CompletablePromise<Integer> promise = promises.unresolved();
AtomicReference<Integer> res = new AtomicReference<>();
Promise<Integer> promise2 = promise.orDefault(e -> {
throw new IllegalStateException("Test");
}).thenPopulateReference(res);
promise.completeExceptionally(new IllegalStateException("Test"));
assert res.get() == null;
assert promise2.getCompletion() != null && promise2.getCompletion().getException() instanceof IllegalStateException;
}
}