Examples with Handler io.vertx.core.Handler used on opensource projects

Example 31 with Handler

use of io.vertx.core.Handler in project hono by eclipse.

the class FileBasedCredentialsServiceTest method testDoStartIgnoresMalformedJson.

/**
 * Verifies that the credentials service successfully starts up even if
 * the file to read credentials from contains malformed JSON.
 *
 * @param ctx The vert.x context.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testDoStartIgnoresMalformedJson(final TestContext ctx) {
    // GIVEN a registration service configured to read data from a file
    // that contains malformed JSON
    props.setFilename(FILE_NAME);
    when(fileSystem.existsBlocking(FILE_NAME)).thenReturn(Boolean.TRUE);
    doAnswer(invocation -> {
        final Buffer data = mock(Buffer.class);
        when(data.getBytes()).thenReturn("NO JSON".getBytes(StandardCharsets.UTF_8));
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.succeededFuture(data));
        return null;
    }).when(fileSystem).readFile(eq(props.getFilename()), any(Handler.class));
    // WHEN starting the service
    Async startup = ctx.async();
    Future<Void> startupTracker = Future.future();
    startupTracker.setHandler(ctx.asyncAssertSuccess(started -> {
        startup.complete();
    }));
    svc.doStart(startupTracker);
    // THEN startup succeeds
    startup.await(2000);
}

Example 32 with Handler

use of io.vertx.core.Handler in project hono by eclipse.

the class FileBasedRegistrationServiceTest method testDoStartIgnoresMalformedJson.

/**
 * Verifies that the registration service successfully starts up even if
 * the file to read device information from contains malformed JSON.
 *
 * @param ctx The vert.x context.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testDoStartIgnoresMalformedJson(final TestContext ctx) {
    // GIVEN a registration service configured to read data from a file
    // that contains malformed JSON
    when(fileSystem.existsBlocking(props.getFilename())).thenReturn(Boolean.TRUE);
    doAnswer(invocation -> {
        final Buffer data = mock(Buffer.class);
        when(data.getBytes()).thenReturn("NO JSON".getBytes(StandardCharsets.UTF_8));
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.succeededFuture(data));
        return null;
    }).when(fileSystem).readFile(eq(props.getFilename()), any(Handler.class));
    // WHEN starting the service
    Async startup = ctx.async();
    Future<Void> startupTracker = Future.future();
    startupTracker.setHandler(ctx.asyncAssertSuccess(started -> {
        startup.complete();
    }));
    registrationService.doStart(startupTracker);
    // THEN startup succeeds
    startup.await();
}

Example 33 with Handler

use of io.vertx.core.Handler in project hono by eclipse.

the class FileBasedRegistrationServiceTest method testDoStartCreatesFile.

/**
 * Verifies that the registration service creates a file for persisting device registration
 * data if it does not exist yet during startup.
 *
 * @param ctx The vert.x context.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testDoStartCreatesFile(final TestContext ctx) {
    // GIVEN a registration service configured to persist data to a not yet existing file
    props.setSaveToFile(true);
    when(fileSystem.existsBlocking(props.getFilename())).thenReturn(Boolean.FALSE);
    doAnswer(invocation -> {
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.succeededFuture());
        return null;
    }).when(fileSystem).createFile(eq(props.getFilename()), any(Handler.class));
    doAnswer(invocation -> {
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.failedFuture("malformed file"));
        return null;
    }).when(fileSystem).readFile(eq(props.getFilename()), any(Handler.class));
    // WHEN starting the service
    Async startup = ctx.async();
    Future<Void> startupTracker = Future.future();
    startupTracker.setHandler(ctx.asyncAssertSuccess(started -> {
        startup.complete();
    }));
    registrationService.doStart(startupTracker);
    // THEN the file gets created
    startup.await();
    verify(fileSystem).createFile(eq(props.getFilename()), any(Handler.class));
}

Example 34 with Handler

use of io.vertx.core.Handler in project hono by eclipse.

the class FileBasedRegistrationServiceTest method testDoStartLoadsDeviceIdentities.

/**
 * Verifies that device identities are successfully loaded from file during startup.
 *
 * @param ctx The test context.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testDoStartLoadsDeviceIdentities(final TestContext ctx) {
    // GIVEN a service configured with a file name
    when(fileSystem.existsBlocking(props.getFilename())).thenReturn(Boolean.TRUE);
    doAnswer(invocation -> {
        final Buffer data = DeviceRegistryTestUtils.readFile(FILE_NAME);
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.succeededFuture(data));
        return null;
    }).when(fileSystem).readFile(eq(props.getFilename()), any(Handler.class));
    // WHEN the service is started
    Async startup = ctx.async();
    Future<Void> startFuture = Future.future();
    startFuture.setHandler(ctx.asyncAssertSuccess(s -> {
        startup.complete();
    }));
    registrationService.doStart(startFuture);
    // THEN the device identities from the file are loaded
    startup.await();
    registrationService.getDevice(TENANT, DEVICE, ctx.asyncAssertSuccess());
    registrationService.getDevice(TENANT, "4712", ctx.asyncAssertSuccess(result -> {
        final JsonObject data = result.getPayload().getJsonObject(RegistrationConstants.FIELD_DATA);
        ctx.assertEquals(data.getString(FileBasedRegistrationService.PROPERTY_VIA), GW);
    }));
    registrationService.getDevice(TENANT, GW, ctx.asyncAssertSuccess());
}

Example 35 with Handler

use of io.vertx.core.Handler in project hono by eclipse.

the class FileBasedRegistrationServiceTest method testContentsNotSavedOnShutdownIfSavingIfDisabled.

/**
 * Verifies that setting the <em>saveToFile</em> configuration property to <em>false</em> prevents
 * the registration service to write its content to the file system during shutdown.
 *
 * @param ctx The vert.x test context.
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Test
public void testContentsNotSavedOnShutdownIfSavingIfDisabled(final TestContext ctx) {
    // GIVEN a registration service configured to not persist data
    props.setSaveToFile(false);
    when(fileSystem.existsBlocking(props.getFilename())).thenReturn(Boolean.TRUE);
    doAnswer(invocation -> {
        Handler handler = invocation.getArgument(1);
        handler.handle(Future.failedFuture("malformed data"));
        return null;
    }).when(fileSystem).readFile(eq(props.getFilename()), any(Handler.class));
    Async startup = ctx.async();
    Future<Void> startupTracker = Future.future();
    startupTracker.setHandler(ctx.asyncAssertSuccess(started -> {
        startup.complete();
    }));
    registrationService.doStart(startupTracker);
    startup.await();
    // WHEN adding a device
    registrationService.addDevice(TENANT, DEVICE, new JsonObject());
    // and shutting down the service
    Async shutdown = ctx.async();
    Future<Void> shutdownTracker = Future.future();
    shutdownTracker.setHandler(ctx.asyncAssertSuccess(done -> {
        shutdown.complete();
    }));
    registrationService.doStop(shutdownTracker);
    // THEN no data has been written to the file system
    shutdown.await();
    verify(fileSystem, never()).createFile(eq(props.getFilename()), any(Handler.class));
}