Fix up tests for the RefreshManager

I'm noticing I write much better code when I have tests in place, it takes much longer to do though...
This commit is contained in:
Bradlee Speice 2015-01-03 01:35:10 -05:00
parent 04f6f1f49b
commit ca6c67d8ae
3 changed files with 128 additions and 53 deletions

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@ -11,15 +11,11 @@ import org.crosswire.jsword.book.install.Installer;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import javax.inject.Inject;
import javax.inject.Singleton;
@ -29,7 +25,6 @@ import dagger.ObjectGraph;
import dagger.Provides;
import rx.functions.Action1;
import static com.jayway.awaitility.Awaitility.await;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
@ -100,40 +95,6 @@ public class RefreshManagerTest implements Injector {
verify(mockInstaller).getBooks();
}
@Test
public void testRefreshSeparateThread() {
mockInstaller = mock(Installer.class);
final List<Book> bookList = new ArrayList<Book>();
when(mockInstaller.getBooks()).thenAnswer(new Answer<List<Book>>() {
@Override
public List<Book> answer(InvocationOnMock invocationOnMock) throws Throwable {
Thread.sleep(1000); // Just long enough to give us a gap between
// refresh start and complete
return bookList;
}
});
Collection<Installer> mockInstallers = new ArrayList<Installer>();
mockInstallers.add(mockInstaller);
RMTModules modules = new RMTModules(mockInstallers);
mObjectGraph = ObjectGraph.create(modules);
// And the actual test
mObjectGraph.inject(this);
// So the refresh should be kicked off at the constructor, meaning that it's not "complete"
assertFalse(rM.getRefreshComplete().get());
// But, if it's on another thread, it should finish up eventually, right?
await().atMost(5, TimeUnit.SECONDS).until(new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
return rM.getRefreshComplete().get();
}
});
}
/**
* Test the conditions are right for downloading
* I'd like to point out that I can test all of this without requiring mocking of

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@ -0,0 +1,108 @@
package org.bspeice.minimalbible.activity.downloader.manager
import org.jetbrains.spek.api.Spek
import org.bspeice.minimalbible.activity.downloader.DownloadPrefs
import java.util.Calendar
import org.crosswire.jsword.book.install.Installer
import org.mockito.Mockito.*
import org.mockito.Matchers.*
import rx.schedulers.Schedulers
import java.util.concurrent.atomic.AtomicBoolean
import com.jayway.awaitility.Awaitility
import java.util.concurrent.TimeUnit
import rx.Subscriber
import org.crosswire.jsword.book.Book
/**
* Created by bspeice on 1/3/15.
*/
class RefreshManagerSpek() : Spek() {{
fun buildRefreshmanager(installers: List<Installer>, prefs: DownloadPrefs) =
RefreshManager(installers, listOf(""), prefs, null)
fun buildMockPrefs(): DownloadPrefs {
val currentTime = Calendar.getInstance().getTime().getTime()
val eighteenDaysAgo = currentTime - 1555200
val mockPrefs = mock(javaClass<DownloadPrefs>())
`when`(mockPrefs.downloadRefreshedOn())
.thenReturn(eighteenDaysAgo)
return mockPrefs
}
given("a mock installer") {
val installer = mock(javaClass<Installer>())
on("creating a new RefreshManager and mock preferences") {
val mockPrefs = buildMockPrefs()
val rM = buildRefreshmanager(listOf(installer, installer), mockPrefs)
it("should not have updated the prefs as part of the constructor") {
verify(mockPrefs, never())
.downloadRefreshedOn(anyLong())
}
}
on("creating a new RefreshManager and mock preferences") {
val mockPrefs = buildMockPrefs()
val rM = buildRefreshmanager(listOf(installer, installer), mockPrefs)
reset(mockPrefs)
it("should not update the prefs after the first installer") {
// The process to do actually validate this is tricky. We have to block
// the Observable from producing before we can validate the preferences -
// I don't want to race the Observable since it's possible it's on another thread.
// So, we use backpressure (request(1)) to force the observable to
// produce only one result.
val success = AtomicBoolean(false)
rM.availableModules
.subscribe(object : Subscriber<Map<Installer, List<Book>>>() {
override fun onCompleted() {
}
override fun onError(e: Throwable?) {
}
override fun onStart() {
super.onStart()
request(1)
}
override fun onNext(t: Map<Installer, List<Book>>?) {
// Verify the mock - if verification doesn't pass, we won't reach
// the end of this method and set our AtomicBoolean to true
verify(mockPrefs, never())
.downloadRefreshedOn(anyLong())
success.set(true)
}
})
Awaitility.waitAtMost(2, TimeUnit.SECONDS)
.untilTrue(success)
}
}
on("creating a new RefreshManager and mock preferences") {
val mockPrefs = buildMockPrefs()
val rM = buildRefreshmanager(listOf(installer, installer), mockPrefs)
reset(mockPrefs)
it("should update the prefs after completed") {
val complete = AtomicBoolean(false)
rM.availableModules.observeOn(Schedulers.immediate())
.subscribe({}, {}, {
complete.set(true)
})
Awaitility.waitAtMost(3, TimeUnit.SECONDS)
.untilTrue(complete)
verify(mockPrefs, times(1))
.downloadRefreshedOn(anyLong())
}
}
}
}
}

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@ -8,7 +8,6 @@ import java.util.Calendar
import org.bspeice.minimalbible.activity.downloader.DownloadPrefs
import android.net.ConnectivityManager
import org.crosswire.jsword.book.BookComparators
import java.util.Date
/**
* Created by bspeice on 10/22/14.
@ -19,19 +18,24 @@ class RefreshManager(val installers: Collection<Installer>,
val prefs: DownloadPrefs,
val connManager: ConnectivityManager?) {
val currentTime = Calendar.getInstance().getTime().getTime()
val fifteenDaysAgo = currentTime - 1296000
val availableModules: Observable<Map<Installer, List<Book>>> =
Observable.from(installers)
.map {
if (doReload()) {
if (performReload())
it.reloadBookList()
prefs.downloadRefreshedOn(Date().getTime())
}
val validBooks = it.getBooks()
.filterNot { exclude contains it.getInitials() }
mapOf(Pair(it, validBooks))
// TODO: mapOf(it to booksFromInstaller)
mapOf(Pair(it,
booksFromInstaller(it, exclude)))
}
// Don't update timestamps until done. Additionally, make this operation
// part of the pipeline, so it remains a cold observable
.doOnCompleted { prefs.downloadRefreshedOn(currentTime) }
.subscribeOn(Schedulers.io())
.cache();
.cache()
val flatModules: Observable<Book> =
availableModules
@ -42,9 +46,7 @@ class RefreshManager(val installers: Collection<Installer>,
val flatModulesSorted = flatModules.toSortedList {(book1, book2) ->
BookComparators.getInitialComparator().compare(book1, book2)
};
val fifteenDaysAgo = Calendar.getInstance().getTime().getTime() - 1296000
}
fun doReload(downloadEnabled: Boolean, lastUpdated: Long,
networkState: Int? = ConnectivityManager.TYPE_DUMMY): Boolean =
@ -55,9 +57,13 @@ class RefreshManager(val installers: Collection<Installer>,
else
false
fun doReload(): Boolean = doReload(prefs.hasEnabledDownload(),
prefs.downloadRefreshedOn(),
connManager?.getActiveNetworkInfo()?.getType())
fun performReload() =
doReload(prefs.hasEnabledDownload(),
prefs.downloadRefreshedOn(),
connManager?.getActiveNetworkInfo()?.getType())
fun booksFromInstaller(inst: Installer, exclude: List<String>) =
inst.getBooks().filterNot { exclude contains it.getInitials() }
fun installerFromBook(b: Book): Observable<Installer> = Observable.just(
availableModules.filter {