Slide 1
Slide 1 text
Example of
TestScheduler / TestSubject
( in Spock)
Masayuki IZUMI - @izumin5210
kyobashi.dex #2
Slide 2
Slide 2 text
> Masayuki IZUMI a.k.a. @izumin5210
> Rekimoto Lab. at the Univ. of Tokyo
> Strobo, Inc. / Wantedly, Inc.
> Rubyist / Androider / {Java,Type}Scripter
Slide 3
Slide 3 text
DEB
%SPJE,BJHJ %":
300.$
Slide 4
Slide 4 text
4DBO#-&EFWJDFT
$IFDLBWBJMBCJMJUZPGTDBOOFEEFWJDFT
Slide 5
Slide 5 text
public Observable scan(long timespan, TimeUnit unit) {
return scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> cache.removeAll().subscribe());
}
Slide 6
Slide 6 text
public Observable scan(long timespan, TimeUnit unit) {
return scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> cache.removeAll().subscribe());
}
Slide 7
Slide 7 text
)PXEPXFXSJUFVOJUUFTU
Slide 8
Slide 8 text
5FTU4DIFEVMFS5FTU4VCKFDU
BOE5FTU4VCTDSJCFS
Slide 9
Slide 9 text
public final Observable> buffer(long timespan, TimeUnit unit) {
return buffer(timespan, unit, Integer.MAX_VALUE, Schedulers.computation());
}
0CTFSWBCMF5CVGGFS MPOH
5JNF6OJU
VTFTDPNQVUBUJPOTDIFEVMFSJOEFGBVMU
Slide 10
Slide 10 text
public Observable scan(long timespan, TimeUnit unit,
Scheduler scheduler) {
return scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> cache.removeAll().subscribe());
}
Slide 11
Slide 11 text
public Observable scan(long timespan, TimeUnit unit,
Scheduler scheduler) {
return scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> cache.removeAll().subscribe());
}
Slide 12
Slide 12 text
given:
def unit = TimeUnit.MILLISECONDS
def scheduler = new TestScheduler()
def subject = TestSubject.create(scheduler)
def subscriber = new TestSubscriber()
def subscription = repo.scan(3000, unit, schueduler)
.subscribe(subscriber)
// stubbing
scanner.startScan() >> subject
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
Slide 13
Slide 13 text
given:
def unit = TimeUnit.MILLISECONDS
def scheduler = new TestScheduler()
def subject = TestSubject.create(scheduler)
def subscriber = new TestSubscriber()
def subscription = repo.scan(3000, unit, schueduler)
.subscribe(subscriber)
// stubbing
scanner.startScan() >> subject
Slide 14
Slide 14 text
given:
def unit = TimeUnit.MILLISECONDS
def scheduler = new TestScheduler()
def subject = TestSubject.create(scheduler)
def subscriber = new TestSubscriber()
def subscription = repo.scan(3000, unit, schueduler)
.subscribe(subscriber)
// stubbing
scanner.startScan() >> subject
Slide 15
Slide 15 text
given:
def unit = TimeUnit.MILLISECONDS
def scheduler = new TestScheduler()
def subject = TestSubject.create(scheduler)
def subscriber = new TestSubscriber()
def subscription = repo.scan(3000, unit, schueduler)
.subscribe(subscriber)
// stubbing
scanner.startScan() >> subject
Slide 16
Slide 16 text
given:
def unit = TimeUnit.MILLISECONDS
def scheduler = new TestScheduler()
def subject = TestSubject.create(scheduler)
def subscriber = new TestSubscriber()
def subscription = repo.scan(3000, unit, schueduler)
.subscribe(subscriber)
// stubbing
scanner.startScan() >> subject
Slide 17
Slide 17 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
Slide 18
Slide 18 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
Slide 19
Slide 19 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
Slide 20
Slide 20 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> ...));
Slide 21
Slide 21 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> ...));
Slide 22
Slide 22 text
when:
subject.onNext(Mock(ScanResult))
scheduler.triggerActions()
then:
1 * cache.isCached(_) >> false
1 * cache.put(_) >> { Observable.just(it) }
0 * api._
subscriber.assertValueCount(0)
scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> ...));
IBTOPUSFBDIFE
Slide 23
Slide 23 text
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
Slide 24
Slide 24 text
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
DVSSFOUUJNFNTNT
Slide 25
Slide 25 text
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
Slide 26
Slide 26 text
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> ...));
Slide 27
Slide 27 text
when:
scheduler.advanceTimeBy(3000, unit)
then:
1 * api.check({ it.size() == 1 }) >> Observable.just([...])
subscriber.assertValueCount(1)
scanner.startScan()
.filter(result -> !cache.isCached(result))
.flatMap(cache::put)
.buffer(timespan, unit, scheduler)
.filter(results -> !results.isEmpty())
.flatMap(this::checkAvailability)
.doOnSubscribe(() -> ...));
Slide 28
Slide 28 text
5FTU4DIFEVMFS5FTU4VCKFDUBSFVTFGVMGPS
UFTUJOHUJNFEFQFOEFOUDPEF
*OUFSBDUJPOCBTFEUFTUJOHJO4QPDLJTBXFTPNF
Slide 29
Slide 29 text
Example of
TestScheduler / TestSubject
( in Spock)
Masayuki IZUMI - @izumin5210
kyobashi.dex #2