inject/inject-guice/src/test/java/org/opendaylight/infrautils/inject/guice/test/ClassPathScannerTest.java

   1 /*
   2  * Copyright © 2018 Red Hat, Inc. and others.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.infrautils.inject.guice.test;
   9
  10 import static com.google.common.truth.Truth.assertThat;
  11
  12 import java.util.HashMap;
  13 import java.util.HashSet;
  14 import java.util.Map;
  15 import java.util.Set;
  16 import org.junit.Test;
  17 import org.opendaylight.infrautils.inject.ClassPathScanner;
  18
  19 public class ClassPathScannerTest {
  20
  21     private static final String PREFIX = "org.opendaylight.infrautils.inject.guice.test";
  22
  23     @Test
  24     public void testClasspathScanning() {
  25         Set<Class<?>> singletons = new HashSet<>();
  26         Map<Class<?>, Class<?>> bindings = new HashMap<>();
  27         new ClassPathScanner(PREFIX).bindAllSingletons(PREFIX, bindings::put, singletons::add);
  28         assertThat(bindings).containsExactly(
  29                 ClassPathScannerTestTopInterface.class, ClassPathScannerTestImplementation.class,
  30                 ClassPathScannerTestAnotherInterface.class, ClassPathScannerTestImplementation.class);
  31         assertThat(singletons).containsExactly(ClassPathScannerTestNoInterfacesImplementation.class);
  32     }
  33
  34     @Test
  35     public void testClasspathExclusion() {
  36         Set<Class<?>> singletons = new HashSet<>();
  37         Map<Class<?>, Class<?>> bindings = new HashMap<>();
  38         new ClassPathScanner(PREFIX).bindAllSingletons("nope", bindings::put, singletons::add);
  39         assertThat(bindings).isEmpty();
  40         assertThat(singletons).isEmpty();
  41     }
  42 }