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3.x: Add concatMapX operators (aliases) (#6879)
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60 changes: 60 additions & 0 deletions
60
...est/java/io/reactivex/rxjava3/internal/operators/maybe/MaybeConcatMapCompletableTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /** | ||
| * Copyright (c) 2016-present, RxJava Contributors. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
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| package io.reactivex.rxjava3.internal.operators.maybe; | ||
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| import org.junit.Test; | ||
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| import io.reactivex.rxjava3.core.*; | ||
| import io.reactivex.rxjava3.exceptions.TestException; | ||
| import io.reactivex.rxjava3.functions.Function; | ||
| import io.reactivex.rxjava3.testsupport.TestHelper; | ||
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| public class MaybeConcatMapCompletableTest extends RxJavaTest { | ||
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| @Test | ||
| public void dispose() { | ||
| TestHelper.checkDisposed(Maybe.just(1).concatMapCompletable(new Function<Integer, Completable>() { | ||
| @Override | ||
| public Completable apply(Integer v) throws Exception { | ||
| return Completable.complete(); | ||
| } | ||
| })); | ||
| } | ||
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| @Test | ||
| public void mapperThrows() { | ||
| Maybe.just(1) | ||
| .concatMapCompletable(new Function<Integer, Completable>() { | ||
| @Override | ||
| public Completable apply(Integer v) throws Exception { | ||
| throw new TestException(); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertFailure(TestException.class); | ||
| } | ||
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| @Test | ||
| public void mapperReturnsNull() { | ||
| Maybe.just(1) | ||
| .concatMapCompletable(new Function<Integer, Completable>() { | ||
| @Override | ||
| public Completable apply(Integer v) throws Exception { | ||
| return null; | ||
| } | ||
| }) | ||
| .test() | ||
| .assertFailure(NullPointerException.class); | ||
| } | ||
| } |
142 changes: 142 additions & 0 deletions
142
src/test/java/io/reactivex/rxjava3/internal/operators/maybe/MaybeConcatMapSingleTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| /** | ||
| * Copyright (c) 2016-present, RxJava Contributors. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
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| package io.reactivex.rxjava3.internal.operators.maybe; | ||
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| import org.junit.Test; | ||
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| import io.reactivex.rxjava3.core.*; | ||
| import io.reactivex.rxjava3.exceptions.TestException; | ||
| import io.reactivex.rxjava3.functions.Function; | ||
| import io.reactivex.rxjava3.testsupport.TestHelper; | ||
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| public class MaybeConcatMapSingleTest extends RxJavaTest { | ||
| @Test | ||
| public void flatMapSingleElementValue() { | ||
| Maybe.just(1).concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| if (integer == 1) { | ||
| return Single.just(2); | ||
| } | ||
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| return Single.just(1); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertResult(2); | ||
| } | ||
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| @Test | ||
| public void flatMapSingleElementValueDifferentType() { | ||
| Maybe.just(1).concatMapSingle(new Function<Integer, SingleSource<String>>() { | ||
| @Override public SingleSource<String> apply(final Integer integer) throws Exception { | ||
| if (integer == 1) { | ||
| return Single.just("2"); | ||
| } | ||
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| return Single.just("1"); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertResult("2"); | ||
| } | ||
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| @Test | ||
| public void flatMapSingleElementValueNull() { | ||
| Maybe.just(1).concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| return null; | ||
| } | ||
| }) | ||
| .to(TestHelper.<Integer>testConsumer()) | ||
| .assertNoValues() | ||
| .assertError(NullPointerException.class) | ||
| .assertErrorMessage("The mapper returned a null SingleSource"); | ||
| } | ||
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| @Test | ||
| public void flatMapSingleElementValueErrorThrown() { | ||
| Maybe.just(1).concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| throw new RuntimeException("something went terribly wrong!"); | ||
| } | ||
| }) | ||
| .to(TestHelper.<Integer>testConsumer()) | ||
| .assertNoValues() | ||
| .assertError(RuntimeException.class) | ||
| .assertErrorMessage("something went terribly wrong!"); | ||
| } | ||
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| @Test | ||
| public void flatMapSingleElementError() { | ||
| RuntimeException exception = new RuntimeException("test"); | ||
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| Maybe.error(exception).concatMapSingle(new Function<Object, SingleSource<Object>>() { | ||
| @Override public SingleSource<Object> apply(final Object integer) throws Exception { | ||
| return Single.just(new Object()); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertError(exception); | ||
| } | ||
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| @Test | ||
| public void flatMapSingleElementEmpty() { | ||
| Maybe.<Integer>empty().concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| return Single.just(2); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertNoValues() | ||
| .assertResult(); | ||
| } | ||
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| @Test | ||
| public void dispose() { | ||
| TestHelper.checkDisposed(Maybe.just(1).concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override | ||
| public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| return Single.just(2); | ||
| } | ||
| })); | ||
| } | ||
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| @Test | ||
| public void doubleOnSubscribe() { | ||
| TestHelper.checkDoubleOnSubscribeMaybe(new Function<Maybe<Integer>, Maybe<Integer>>() { | ||
| @Override | ||
| public Maybe<Integer> apply(Maybe<Integer> m) throws Exception { | ||
| return m.concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override | ||
| public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| return Single.just(2); | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
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| @Test | ||
| public void singleErrors() { | ||
| Maybe.just(1) | ||
| .concatMapSingle(new Function<Integer, SingleSource<Integer>>() { | ||
| @Override | ||
| public SingleSource<Integer> apply(final Integer integer) throws Exception { | ||
| return Single.error(new TestException()); | ||
| } | ||
| }) | ||
| .test() | ||
| .assertFailure(TestException.class); | ||
| } | ||
| } |
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