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Can't fix tests, fix application instead

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See documentation for more information on why I can't fix the tests to actually guarantee anything.
This commit is contained in:
Bradlee Speice
2014-07-19 23:27:49 -04:00
parent f2a4ceceff
commit d685beaae6
5 changed files with 51 additions and 32 deletions
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44
app/src/androidTest/java/org/bspeice/minimalbible/test/activity/downloader/manager/InstalledManagerTest.java
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@ -17,8 +17,6 @@ import org.crosswire.jsword.book.install.Installer;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.inject.Inject;
@ -31,8 +29,13 @@ import rx.Observable;
import rx.functions.Action1;
import rx.functions.Func1;
import static com.jayway.awaitility.Awaitility.await;
/**
* Test the InstalledManager
* Currently due to limitations with JSword (which I'm currently investigating) you can't delete
* books without restarting the application. That is, if you install it, there must be a restart
* in between it being deleted. Unfortunately, that means that this TestCase really can't guarantee
* much, since I can't install a book at runtime to be removed.
*/
public class InstalledManagerTest extends TestCase implements Injector {
ObjectGraph mObjectGraph;
@ -68,8 +71,6 @@ public class InstalledManagerTest extends TestCase implements Injector {
}
@Inject InstalledManager iM;
@Inject BookDownloadManager bDM;
@Inject RefreshManager rM;
@Inject Books installedBooks;
@Override
@ -82,41 +83,26 @@ public class InstalledManagerTest extends TestCase implements Injector {
mObjectGraph = ObjectGraph.create(new IMTestModules(this));
mObjectGraph.inject(this);
// Guarantee something is installed
// Unfortunately, unless something is already installed, we can't actually remove anything
int count = getInstalledBooks().count().toBlocking().first();
if (count <= 0) {
Log.i("InstalledManagerTest", "Nothing installed!");
final Book toInstall = rM.getAvailableModulesFlattened()
.toBlocking().first();
bDM.installBook(toInstall);
await().atMost(30, TimeUnit.SECONDS)
.until(new Callable<Boolean>() {
@Override
public Boolean call() throws Exception {
return installedBooks.getBooks()
.contains(toInstall);
}
});
Log.e("setUp", Boolean.toString(toInstall.getDriver().isDeletable(toInstall)));
Log.e("setUp", "Found the book!: " + toInstall.getInitials());
Log.w("InstalledManagerTest", "No books available, test can not guarantee anything.");
}
}
public Observable<Book> getInstalledBooks() {
/* The golden copy for testing of what's installed.
NOTE: Currently, I have yet to find a guaranteed way to know if a book
is installed or not. So while the test cases are semantically correct,
nothing is actually proven until I can guarantee this list is correct.
NOTE: Currently, I have yet to find a guaranteed way to immediately delete
a book that is freshly installed. While the tests are semantically correct, unfortunately,
this test case specifically doesn't guarantee much of anything.
*/
// TODO: Guarantee that we return newly-installed books
return Observable.from(installedBooks.getBooks())
.filter(new Func1<Book, Boolean>() {
@Override
public Boolean call(Book book) {
// Not sure why, but this book can't be deleted...
return !book.getInitials().equals("ot1nt2");
return book.getDriver().isDeletable(book);
}
});
}
@ -162,6 +148,8 @@ public class InstalledManagerTest extends TestCase implements Injector {
});
iM.removeBook(book);
await().untilTrue(didRemove);
if (!didRemove.get()) {
Log.w("testRemoveBook", "Could not remove book, not necessarily fatal.");
}
}
}