Merge branch 'master' of ../infrautils

[odlguice.git] / inject-guice / src / test / java / org / opendaylight / infrautils / inject / guice / test / ClassPathScannerTest.java

diff --git a/inject-guice/src/test/java/org/opendaylight/infrautils/inject/guice/test/ClassPathScannerTest.java b/inject-guice/src/test/java/org/opendaylight/infrautils/inject/guice/test/ClassPathScannerTest.java
new file mode 100644 (file)
index 0000000..d449050
--- /dev/null
+++ b/inject-guice/src/test/java/org/opendaylight/infrautils/inject/guice/test/ClassPathScannerTest.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2018 Red Hat, Inc. and others.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.infrautils.inject.guice.test;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import org.junit.Test;
+import org.opendaylight.infrautils.inject.ClassPathScanner;
+
+public class ClassPathScannerTest {
+
+    private static final String PREFIX = "org.opendaylight.infrautils.inject.guice.test";
+
+    @Test
+    public void testClasspathScanning() {
+        Set<Class<?>> singletons = new HashSet<>();
+        Map<Class<?>, Class<?>> bindings = new HashMap<>();
+        new ClassPathScanner(PREFIX).bindAllSingletons(PREFIX, bindings::put, singletons::add);
+        assertThat(bindings).containsExactly(
+                ClassPathScannerTestTopInterface.class, ClassPathScannerTestImplementation.class,
+                ClassPathScannerTestAnotherInterface.class, ClassPathScannerTestImplementation.class);
+        assertThat(singletons).containsExactly(ClassPathScannerTestNoInterfacesImplementation.class);
+    }
+
+    @Test
+    public void testClasspathExclusion() {
+        Set<Class<?>> singletons = new HashSet<>();
+        Map<Class<?>, Class<?>> bindings = new HashMap<>();
+        new ClassPathScanner(PREFIX).bindAllSingletons("nope", bindings::put, singletons::add);
+        assertThat(bindings).isEmpty();
+        assertThat(singletons).isEmpty();
+    }
+}