ONOS-542 Defining application subsystem interfaces & public constructs.

Change-Id: Iba0d2cb69dace5beee8a68def9918059ce755b5c
diff --git a/core/store/trivial/src/test/java/org/onosproject/store/trivial/impl/SimpleApplicationStoreTest.java b/core/store/trivial/src/test/java/org/onosproject/store/trivial/impl/SimpleApplicationStoreTest.java
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+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.store.trivial.impl;
+
+import com.google.common.collect.ImmutableSet;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.app.ApplicationEvent;
+import org.onosproject.app.ApplicationStoreDelegate;
+import org.onosproject.common.app.ApplicationArchive;
+import org.onosproject.core.Application;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.ApplicationIdStoreAdapter;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.core.Permission;
+
+import static org.junit.Assert.assertEquals;
+import static org.onosproject.app.ApplicationEvent.Type.*;
+import static org.onosproject.app.ApplicationState.ACTIVE;
+import static org.onosproject.app.ApplicationState.INSTALLED;
+
+/**
+ * Test of the trivial application store implementation.
+ */
+public class SimpleApplicationStoreTest {
+
+    private SimpleApplicationStore store = new SimpleApplicationStore();
+    private TestDelegate delegate = new TestDelegate();
+
+    @Before
+    public void setUp() {
+        store.idStore = new TestIdStore();
+        store.setDelegate(delegate);
+        store.activate();
+    }
+
+    @After
+    public void tearDown() {
+        store.deactivate();
+    }
+
+    private Application createTestApp() {
+        return store.create(ApplicationArchive.class.getResourceAsStream("app.zip"));
+    }
+
+    @Test
+    public void create() {
+        Application app = createTestApp();
+        assertEquals("incorrect name", "org.foo.app", app.id().name());
+        assertEquals("incorrect app count", 1, store.getApplications().size());
+        assertEquals("incorrect app", app, store.getApplication(app.id()));
+        assertEquals("incorrect app state", INSTALLED, store.getState(app.id()));
+        assertEquals("incorrect event type", APP_INSTALLED, delegate.event.type());
+        assertEquals("incorrect event app", app, delegate.event.subject());
+    }
+
+    @Test
+    public void remove() {
+        Application app = createTestApp();
+        store.remove(app.id());
+        assertEquals("incorrect app count", 0, store.getApplications().size());
+        assertEquals("incorrect event type", APP_UNINSTALLED, delegate.event.type());
+        assertEquals("incorrect event app", app, delegate.event.subject());
+    }
+
+    @Test
+    public void activate() {
+        Application app = createTestApp();
+        store.activate(app.id());
+        assertEquals("incorrect app count", 1, store.getApplications().size());
+        assertEquals("incorrect app state", ACTIVE, store.getState(app.id()));
+        assertEquals("incorrect event type", APP_ACTIVATED, delegate.event.type());
+        assertEquals("incorrect event app", app, delegate.event.subject());
+    }
+
+    @Test
+    public void deactivate() {
+        Application app = createTestApp();
+        store.deactivate(app.id());
+        assertEquals("incorrect app count", 1, store.getApplications().size());
+        assertEquals("incorrect app state", INSTALLED, store.getState(app.id()));
+        assertEquals("incorrect event type", APP_DEACTIVATED, delegate.event.type());
+        assertEquals("incorrect event app", app, delegate.event.subject());
+    }
+
+    @Test
+    public void permissions() {
+        Application app = createTestApp();
+        ImmutableSet<Permission> permissions = ImmutableSet.of(new Permission() {
+        });
+        store.setPermissions(app.id(), permissions);
+        assertEquals("incorrect app perms", 1, store.getPermissions(app.id()).size());
+        assertEquals("incorrect app state", INSTALLED, store.getState(app.id()));
+        assertEquals("incorrect event type", APP_PERMISSIONS_CHANGED, delegate.event.type());
+        assertEquals("incorrect event app", app, delegate.event.subject());
+    }
+
+    private class TestIdStore extends ApplicationIdStoreAdapter {
+        @Override
+        public ApplicationId registerApplication(String name) {
+            return new DefaultApplicationId(1, name);
+        }
+
+        @Override
+        public ApplicationId getAppId(String name) {
+            return new DefaultApplicationId(1, name);
+        }
+    }
+
+    private class TestDelegate implements ApplicationStoreDelegate {
+        private ApplicationEvent event;
+
+        @Override
+        public void notify(ApplicationEvent event) {
+            this.event = event;
+        }
+    }
+}
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