Java Code Examples for io.reactivex.subscribers.TestSubscriber#assertNoValues()

@Test
public void observeChangesInTables_shouldNotReceiveIfTableWasNotChanged() {
    TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();

    Set<String> tables = new HashSet<String>(2);
    tables.add("table1");
    tables.add("table2");

    storIOSQLite
            .observeChangesInTables(tables, LATEST)
            .subscribe(testSubscriber);

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(Changes.newInstance("table3"));

    testSubscriber.assertNoValues();
    testSubscriber.assertNoErrors();
    testSubscriber.dispose();
}
 

@Test
public void observeChangesAndNotifyAboutChangesShouldWorkCorrectly() {
    TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();

    storIOSQLite
            .observeChanges(LATEST)
            .subscribe(testSubscriber);

    testSubscriber.assertNoValues();

    Changes changes = Changes.newInstance("test_table", "tag");

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(changes);

    testSubscriber.assertValue(changes);
    testSubscriber.assertNoErrors();
    testSubscriber.dispose();
}
 

@Test
public void observeChangesInTables_shouldReceiveIfTableWasChanged() {
    TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();

    Set<String> tables = new HashSet<String>(2);
    tables.add("table1");
    tables.add("table2");

    storIOSQLite
            .observeChangesInTables(tables, LATEST)
            .subscribe(testSubscriber);

    testSubscriber.assertNoValues();

    Changes changes = Changes.newInstance("table2");

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(changes);

    testSubscriber.assertValues(changes);
    testSubscriber.assertNoErrors();
    testSubscriber.dispose();
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutAffectingContentProviderAsFlowable() {
    final StorIOContentResolver storIOContentResolver = mock(StorIOContentResolver.class);
    final StorIOContentResolver.LowLevel lowLevel = mock(StorIOContentResolver.LowLevel.class);

    when(storIOContentResolver.lowLevel()).thenReturn(lowLevel);

    when(storIOContentResolver.put()).thenReturn(new PreparedPut.Builder(storIOContentResolver));

    final TestSubscriber<PutResult> testSubscriber = new TestSubscriber<PutResult>();

    storIOContentResolver
            .put()
            .object(TestItem.newInstance())
            .prepare()
            .asRxFlowable(BackpressureStrategy.MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    assertThat(testSubscriber.errors().get(0))
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class);

    verify(storIOContentResolver).put();
    verify(storIOContentResolver).lowLevel();
    verify(storIOContentResolver).interceptors();
    verify(storIOContentResolver).defaultRxScheduler();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).insert(any(InsertQuery.class), any(ContentValues.class));
    verify(lowLevel, never()).update(any(UpdateQuery.class), any(ContentValues.class));
    verifyNoMoreInteractions(storIOContentResolver, lowLevel);
}
 

@Test
public void observeChangesInTable() {
    TestSubscriber<Changes> testSubscriber = new TestSubscriber<Changes>();

    storIOSQLite
            .observeChangesInTable("table1", LATEST)
            .subscribe(testSubscriber);

    testSubscriber.assertNoValues();

    Changes changes1 = Changes.newInstance("table2");

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(changes1);

    testSubscriber.assertNoValues();

    Changes changes2 = Changes.newInstance("table1");

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(changes2);

    testSubscriber.assertValue(changes2);

    Changes changes3 = Changes.newInstance("table3");

    storIOSQLite
            .lowLevel()
            .notifyAboutChanges(changes3);

    // Subscriber should not see changes of table2 and table3
    testSubscriber.assertValue(changes2);
    testSubscriber.assertNoErrors();
    testSubscriber.dispose();
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutAccessingDbWithRawQueryAsFlowable() {
    final StorIOSQLite storIOSQLite = mock(StorIOSQLite.class);
    final StorIOSQLite.LowLevel lowLevel = mock(StorIOSQLite.LowLevel.class);

    when(storIOSQLite.get()).thenReturn(new PreparedGet.Builder(storIOSQLite));
    when(storIOSQLite.lowLevel()).thenReturn(lowLevel);

    final TestSubscriber<Optional<TestItem>> testSubscriber = new TestSubscriber<Optional<TestItem>>();

    storIOSQLite
            .get()
            .object(TestItem.class)
            .withQuery(RawQuery.builder().query("test query").build())
            .prepare()
            .asRxFlowable(LATEST)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    Throwable error = testSubscriber.errors().get(0);

    assertThat(error)
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class)
            .hasMessage("Error has occurred during Get operation. query = RawQuery{query='test query', args=[], affectsTables=[], affectsTags=[], observesTables=[], observesTags=[]}");

    assertThat(error.getCause())
            .hasMessage("This type does not have type mapping: "
                    + "type = " + TestItem.class + "," +
                    "db was not touched by this operation, please add type mapping for this type");

    verify(storIOSQLite).get();
    verify(storIOSQLite).lowLevel();
    verify(storIOSQLite).defaultRxScheduler();
    verify(storIOSQLite).interceptors();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).rawQuery(any(RawQuery.class));
    verifyNoMoreInteractions(storIOSQLite, lowLevel);
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutAffectingContentProviderAsFlowable() {
    final StorIOContentResolver storIOContentResolver = mock(StorIOContentResolver.class);
    final StorIOContentResolver.LowLevel lowLevel = mock(StorIOContentResolver.LowLevel.class);

    when(storIOContentResolver.lowLevel()).thenReturn(lowLevel);

    when(storIOContentResolver.put()).thenReturn(new PreparedPut.Builder(storIOContentResolver));

    final List<TestItem> items = asList(TestItem.newInstance(), TestItem.newInstance());

    final TestSubscriber<PutResults<TestItem>> testSubscriber = new TestSubscriber<PutResults<TestItem>>();

    storIOContentResolver
            .put()
            .objects(items)
            .prepare()
            .asRxFlowable(BackpressureStrategy.MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    assertThat(testSubscriber.errors().get(0))
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class);

    verify(storIOContentResolver).put();
    verify(storIOContentResolver).lowLevel();
    verify(storIOContentResolver).interceptors();
    verify(storIOContentResolver).defaultRxScheduler();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).insert(any(InsertQuery.class), any(ContentValues.class));
    verify(lowLevel, never()).update(any(UpdateQuery.class), any(ContentValues.class));
    verifyNoMoreInteractions(storIOContentResolver, lowLevel);
}
 

@Test
public void shouldWrapExceptionIntoStorIOExceptionFlowable() {
    final PutContentValuesStub stub = PutContentValuesStub.newPutStubForOneContentValues();

    ContentValues contentValues = stub.contentValues.get(0);

    IllegalStateException testException = new IllegalStateException("test exception");
    doThrow(testException).when(stub.putResolver).performPut(stub.storIOSQLite, contentValues);

    final TestSubscriber<Object> testSubscriber = new TestSubscriber<Object>();

    stub.storIOSQLite
            .put()
            .contentValues(contentValues)
            .withPutResolver(stub.putResolver)
            .prepare()
            .asRxFlowable(MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    testSubscriber.assertError(StorIOException.class);

    //noinspection ThrowableResultOfMethodCallIgnored
    StorIOException expected = (StorIOException) testSubscriber.errors().get(0);

    assertThat(expected).hasMessageStartingWith("Error has occurred during Put operation. contentValues =");
    IllegalStateException cause = (IllegalStateException) expected.getCause();
    assertThat(cause).hasMessage("test exception");

    verify(stub.storIOSQLite).put();
    verify(stub.storIOSQLite).defaultRxScheduler();
    verify(stub.storIOSQLite).interceptors();
    verifyNoMoreInteractions(stub.storIOSQLite, stub.lowLevel);
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutAccessingContentProviderAsFlowable() {
    final StorIOContentResolver storIOContentResolver = mock(StorIOContentResolver.class);
    final StorIOContentResolver.LowLevel lowLevel = mock(StorIOContentResolver.LowLevel.class);

    when(storIOContentResolver.lowLevel()).thenReturn(lowLevel);

    when(storIOContentResolver.get()).thenReturn(new PreparedGet.Builder(storIOContentResolver));

    when(storIOContentResolver.observeChangesOfUri(any(Uri.class), eq(BackpressureStrategy.MISSING)))
            .thenReturn(Flowable.<Changes>empty());

    final TestSubscriber<Optional<TestItem>> testSubscriber = new TestSubscriber<Optional<TestItem>>();

    storIOContentResolver
            .get()
            .object(TestItem.class)
            .withQuery(Query.builder().uri(mock(Uri.class)).build())
            .prepare()
            .asRxFlowable(BackpressureStrategy.MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    assertThat(testSubscriber.errors().get(0))
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class);

    verify(storIOContentResolver).get();
    verify(storIOContentResolver).lowLevel();
    verify(storIOContentResolver).interceptors();
    verify(storIOContentResolver).defaultRxScheduler();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).query(any(Query.class));
    verify(storIOContentResolver).observeChangesOfUri(any(Uri.class), eq(BackpressureStrategy.MISSING));

    verifyNoMoreInteractions(storIOContentResolver, lowLevel);
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutAffectingContentProviderAsFlowable() {
    final StorIOContentResolver storIOContentResolver = mock(StorIOContentResolver.class);
    final StorIOContentResolver.LowLevel lowLevel = mock(StorIOContentResolver.LowLevel.class);

    when(storIOContentResolver.lowLevel()).thenReturn(lowLevel);

    when(storIOContentResolver.delete()).thenReturn(new PreparedDelete.Builder(storIOContentResolver));

    final TestSubscriber<DeleteResult> testSubscriber = new TestSubscriber<DeleteResult>();

    storIOContentResolver
            .delete()
            .object(TestItem.newInstance())
            .prepare()
            .asRxFlowable(BackpressureStrategy.MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    assertThat(testSubscriber.errors().get(0))
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class)
            .hasMessage("Error has occurred during Delete operation. object = TestItem{data='null'}");

    verify(storIOContentResolver).delete();
    verify(storIOContentResolver).lowLevel();
    verify(storIOContentResolver).interceptors();
    verify(storIOContentResolver).defaultRxScheduler();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).delete(any(DeleteQuery.class));
    verifyNoMoreInteractions(storIOContentResolver, lowLevel);
}
 

@Test
public void shouldThrowExceptionIfNoTypeMappingWasFoundWithoutTransactionWithoutAffectingDbAsFlowable() {
    final StorIOSQLite storIOSQLite = mock(StorIOSQLite.class);
    final StorIOSQLite.LowLevel lowLevel = mock(StorIOSQLite.LowLevel.class);

    when(storIOSQLite.lowLevel()).thenReturn(lowLevel);

    when(storIOSQLite.put()).thenReturn(new PreparedPut.Builder(storIOSQLite));

    final List<TestItem> items = asList(TestItem.newInstance(), TestItem.newInstance());

    final TestSubscriber<PutResults<TestItem>> testSubscriber = new TestSubscriber<PutResults<TestItem>>();

    storIOSQLite
            .put()
            .objects(items)
            .useTransaction(false)
            .prepare()
            .asRxFlowable(MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    assertThat(testSubscriber.errors().get(0))
            .isInstanceOf(StorIOException.class)
            .hasCauseInstanceOf(IllegalStateException.class);

    verify(storIOSQLite).put();
    verify(storIOSQLite).lowLevel();
    verify(storIOSQLite).defaultRxScheduler();
    verify(storIOSQLite).interceptors();
    verify(lowLevel).typeMapping(TestItem.class);
    verify(lowLevel, never()).insert(any(InsertQuery.class), any(ContentValues.class));
    verify(lowLevel, never()).update(any(UpdateQuery.class), any(ContentValues.class));
    verifyNoMoreInteractions(storIOSQLite, lowLevel);
}
 

@Test
public void testUnsubscribeAfterActionButBeforeCompletionDoesNotAffectCompletion() {
    final TestSubscriber<Object> ts = TestSubscriber.create();
    Flowable.empty() //
            .compose(Transformers.doOnEmpty(new Action() {
                @Override
                public void run() {
                    ts.cancel();
                }
            })).subscribe(ts);
    ts.assertNoValues();
    ts.assertComplete();
}
 

@Test
public void testAcceptSocketRejectsAlways() throws UnknownHostException, IOException, InterruptedException {
    reset();
    TestSubscriber<Object> ts = TestSubscriber.create();
    try {
        int bufferSize = 4;
        AtomicInteger port = new AtomicInteger();
        IO.serverSocketAutoAllocatePort(Consumers.set(port)) //
                .readTimeoutMs(10000) //
                .acceptTimeoutMs(200) //
                .bufferSize(bufferSize) //
                .acceptSocketIf(Functions.alwaysFalse()) //
                .create() //
                .subscribeOn(scheduler) //
                .subscribe(ts);
        Thread.sleep(300);
        Socket socket = new Socket(LOCALHOST, port.get());
        OutputStream out = socket.getOutputStream();
        out.write("12345678901234567890".getBytes());
        out.close();
        socket.close();
        Thread.sleep(1000);
        ts.assertNoValues();
    } finally {
        // will close server socket
        ts.dispose();
    }
}
 

@Test
public void testSplitSimpleNormalCancelledAtBeginning() {
    TestSubscriber<String> ts = Flowable.just("boo:an", "d:you") //
            .compose(Strings.splitSimple(":")) //
            .test(0) //
            .assertNoValues() //
            .assertNotTerminated();
    ts.cancel();
    ts.requestMore(1);
    ts.assertNoValues();
    ts.assertNotTerminated();
}
 

@Test
public void get_whenBothCachesAreEmpty_isEmpty() {
  when(storageClient.read(FetchEligibleCampaignsResponse.parser()))
      .thenReturn(Maybe.error(new FileNotFoundException()));

  TestSubscriber<FetchEligibleCampaignsResponse> subscriber =
      campaignCacheClient.get().toFlowable().test();

  subscriber.assertNoValues();
}
 

@Test
public void get_whenStorageCacheExpired_isEmpty() {
  when(storageClient.read(FetchEligibleCampaignsResponse.parser()))
      .thenReturn(Maybe.just(expiredCampaignResponse));

  TestSubscriber<FetchEligibleCampaignsResponse> subscriber =
      campaignCacheClient.get().toFlowable().test();

  subscriber.assertNoValues();
}
 

@Test
public void get_whenInMemCacheExpired_isEmpty() {
  when(storageClient.write(expiredCampaignResponse)).thenReturn(fakeWrite);
  when(storageClient.read(FetchEligibleCampaignsResponse.parser())).thenReturn(fakeRead);

  campaignCacheClient.put(expiredCampaignResponse).subscribe();
  TestSubscriber<FetchEligibleCampaignsResponse> subscriber =
      campaignCacheClient.get().toFlowable().test();

  subscriber.assertNoValues();
}
 

private void assertNoNotification(TestSubscriber<InAppMessage> subscriber) {
  subscriber.assertNotComplete();
  subscriber.assertNoErrors();
  subscriber.assertNoValues();
}
 

@Test
public void shouldFinishTransactionIfExceptionHasOccurredFlowable() {
    final StorIOSQLite storIOSQLite = mock(StorIOSQLite.class);
    final StorIOSQLite.LowLevel lowLevel = mock(StorIOSQLite.LowLevel.class);

    when(storIOSQLite.lowLevel()).thenReturn(lowLevel);

    //noinspection unchecked
    final DeleteResolver<Object> deleteResolver = mock(DeleteResolver.class);

    when(deleteResolver.performDelete(same(storIOSQLite), any()))
            .thenThrow(new IllegalStateException("test exception"));

    final TestSubscriber<DeleteResults<Object>> testSubscriber = new TestSubscriber<DeleteResults<Object>>();

    new PreparedDeleteCollectionOfObjects.Builder<Object>(storIOSQLite, singletonList(new Object()))
            .useTransaction(true)
            .withDeleteResolver(deleteResolver)
            .prepare()
            .asRxFlowable(MISSING)
            .subscribe(testSubscriber);

    testSubscriber.awaitTerminalEvent();
    testSubscriber.assertNoValues();
    testSubscriber.assertError(StorIOException.class);

    //noinspection ThrowableResultOfMethodCallIgnored
    StorIOException expected = (StorIOException) testSubscriber.errors().get(0);

    IllegalStateException cause = (IllegalStateException) expected.getCause();
    assertThat(cause).hasMessage("test exception");

    verify(lowLevel).beginTransaction();
    verify(lowLevel, never()).setTransactionSuccessful();
    verify(lowLevel).endTransaction();

    verify(storIOSQLite).lowLevel();
    verify(storIOSQLite).interceptors();
    verify(storIOSQLite).defaultRxScheduler();
    verify(deleteResolver).performDelete(same(storIOSQLite), any());
    verifyNoMoreInteractions(storIOSQLite, lowLevel, deleteResolver);
}
 

private void check(@NonNull PreparedOperation operation) {
    verify(storIOContentResolver).defaultRxScheduler();

    TestSubscriber subscriber = new TestSubscriber();
    //noinspection unchecked
    operation.asRxFlowable(BackpressureStrategy.MISSING).subscribe(subscriber);

    subscriber.assertNoValues();

    scheduler.triggerActions();

    subscriber.assertValueCount(1);
}