rx-ja-night-2016-1

Transcript

1. TestSubscriber Rx Ja Night 2016 #1 yuyakaido
2. Observableͷςετ ॻ͍ͯ·͔͢ʁ 
3. ࣗݾ঺հ • ւ౻༏໻ʢ͔͍Ͳ͏Ώ͏΍ʣ • גࣜձࣾΤ΢ϨΧ • ςετॻ͚ॻ͚͓͡͞Μ • Android  yuyakaido yuyakaido
4. גࣜձࣾΤ΢ϨΧ • ࣗࣾαʔϏεͷاըɾ։ൃɾӡӦ • ΦϯϥΠϯσʔςΟϯάαʔϏεɿ • Χοϓϧઐ༻ΞϓϦɿ • ࣾһ਺ɿ90໊ • IAC  ΤϯδχΞ 60 ඇΤϯδχΞ 30
5. Observableͷςετ 
6. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
7. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
8. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
9. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
10. ໰୊఺ • onError() • onCompleted() • ඇಉظ 
11. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 throw new RuntimeException();
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
12. Integer[] actual = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(actual);
 
 final List<Integer> expect = new ArrayList<>(actual.length);
 observable.subscribe(new Subscriber<Integer>() {
 @Override
 public void onCompleted() {}
 
 @Override
 public void onError(Throwable e) {}
 
 @Override
 public void onNext(Integer integer) {
 expect.add(integer);
 throw new RuntimeException();
 }
 });
 
 for (int i = 0, size = expect.size(); i < size; i++) {
 assertThat(expect.get(i), is(actual[i]));
 } 
13. TestSubscriber 
14. TestSubscriber Integer[] integers = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(integers);
 
 TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 observable.subscribe(testSubscriber);
 
 testSubscriber.assertNoErrors();
 testSubscriber.assertValueCount(integers.length);
 testSubscriber.assertValues(integers);
 testSubscriber.assertCompleted(); 
15. TestSubscriber Integer[] integers = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(integers);
 
 TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 observable.subscribe(testSubscriber);
 
 testSubscriber.assertNoErrors();
 testSubscriber.assertValueCount(integers.length);
 testSubscriber.assertValues(integers);
 testSubscriber.assertCompleted(); 
16. TestSubscriber Integer[] integers = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(integers);
 
 TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 observable.subscribe(testSubscriber);
 
 testSubscriber.assertNoErrors();
 testSubscriber.assertValueCount(integers.length);
 testSubscriber.assertValues(integers);
 testSubscriber.assertCompleted(); 
17. TestSubscriber Integer[] integers = new Integer[] {1, 2, 3};
 Observable<Integer> observable = Observable.from(integers);
 
 TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
 observable.subscribe(testSubscriber);
 
 testSubscriber.assertNoErrors();
 testSubscriber.assertValueCount(integers.length);
 testSubscriber.assertValues(integers);
 testSubscriber.assertCompleted(); 
18. TestSubscriber • assert  http://reactivex.io/RxJava/javadoc/rx/observers/TestSubscriber.html
19. TestSubscriber • assert  http://reactivex.io/RxJava/javadoc/rx/observers/TestSubscriber.html
20. TestSubscriber • ඇಉظ  http://reactivex.io/RxJava/javadoc/rx/observers/TestSubscriber.html
21. TestSubscriber • Πϕϯτऔಘ  http://reactivex.io/RxJava/javadoc/rx/observers/TestSubscriber.html
22. Observableͷςετ ॻ͖·͠ΐ͏ʂʂ 
23. Thank you :) Credit: NASA Earth Observatory/NOAA NGDC