/*
* Copyright (C) 2015 Square, Inc.
*
* 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.
*/
package retrofit2.adapter.rxjava;
import com.google.common.reflect.TypeToken;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import retrofit2.CallAdapter;
import retrofit2.Response;
import retrofit2.Retrofit;
import rx.Observable;
import rx.Single;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.fail;
public final class RxJavaCallAdapterFactoryTest {
private static final Annotation[] NO_ANNOTATIONS = new Annotation[0];
private final CallAdapter.Factory factory = RxJavaCallAdapterFactory.create();
private Retrofit retrofit;
@Before public void setUp() {
retrofit = new Retrofit.Builder()
.baseUrl("http://localhost:1")
.addConverterFactory(new StringConverterFactory())
.addCallAdapterFactory(factory)
.build();
}
@Test public void nullSchedulerThrows() {
try {
RxJavaCallAdapterFactory.createWithScheduler(null);
fail();
} catch (NullPointerException e) {
assertThat(e).hasMessage("scheduler == null");
}
}
@Test public void nonRxJavaTypeReturnsNull() {
CallAdapter<?, ?> adapter = factory.get(String.class, NO_ANNOTATIONS, retrofit);
assertThat(adapter).isNull();
}
@Test public void responseTypes() {
Type oBodyClass = new TypeToken<Observable<String>>() {}.getType();
assertThat(factory.get(oBodyClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sBodyClass = new TypeToken<Single<String>>() {}.getType();
assertThat(factory.get(sBodyClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type oBodyWildcard = new TypeToken<Observable<? extends String>>() {}.getType();
assertThat(factory.get(oBodyWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sBodyWildcard = new TypeToken<Single<? extends String>>() {}.getType();
assertThat(factory.get(sBodyWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type oBodyGeneric = new TypeToken<Observable<List<String>>>() {}.getType();
assertThat(factory.get(oBodyGeneric, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(new TypeToken<List<String>>() {}.getType());
Type sBodyGeneric = new TypeToken<Single<List<String>>>() {}.getType();
assertThat(factory.get(sBodyGeneric, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(new TypeToken<List<String>>() {}.getType());
Type oResponseClass = new TypeToken<Observable<Response<String>>>() {}.getType();
assertThat(factory.get(oResponseClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sResponseClass = new TypeToken<Single<Response<String>>>() {}.getType();
assertThat(factory.get(sResponseClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type oResponseWildcard = new TypeToken<Observable<Response<? extends String>>>() {}.getType();
assertThat(factory.get(oResponseWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sResponseWildcard = new TypeToken<Single<Response<? extends String>>>() {}.getType();
assertThat(factory.get(sResponseWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type oResultClass = new TypeToken<Observable<Result<String>>>() {}.getType();
assertThat(factory.get(oResultClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sResultClass = new TypeToken<Single<Result<String>>>() {}.getType();
assertThat(factory.get(sResultClass, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type oResultWildcard = new TypeToken<Observable<Result<? extends String>>>() {}.getType();
assertThat(factory.get(oResultWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
Type sResultWildcard = new TypeToken<Single<Result<? extends String>>>() {}.getType();
assertThat(factory.get(sResultWildcard, NO_ANNOTATIONS, retrofit).responseType())
.isEqualTo(String.class);
}
@Test public void rawBodyTypeThrows() {
Type observableType = new TypeToken<Observable>() {}.getType();
try {
factory.get(observableType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Observable return type must be parameterized as Observable<Foo> or Observable<? extends Foo>");
}
Type singleType = new TypeToken<Single>() {}.getType();
try {
factory.get(singleType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Single return type must be parameterized as Single<Foo> or Single<? extends Foo>");
}
}
@Test public void rawResponseTypeThrows() {
Type observableType = new TypeToken<Observable<Response>>() {}.getType();
try {
factory.get(observableType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Response must be parameterized as Response<Foo> or Response<? extends Foo>");
}
Type singleType = new TypeToken<Single<Response>>() {}.getType();
try {
factory.get(singleType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Response must be parameterized as Response<Foo> or Response<? extends Foo>");
}
}
@Test public void rawResultTypeThrows() {
Type observableType = new TypeToken<Observable<Result>>() {}.getType();
try {
factory.get(observableType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Result must be parameterized as Result<Foo> or Result<? extends Foo>");
}
Type singleType = new TypeToken<Single<Result>>() {}.getType();
try {
factory.get(singleType, NO_ANNOTATIONS, retrofit);
fail();
} catch (IllegalStateException e) {
assertThat(e).hasMessage(
"Result must be parameterized as Result<Foo> or Result<? extends Foo>");
}
}
}