Move all REST test related files into org.onosproject.rest.resources

Move all REST test case classes under org.onosproject.rest.resources
package in a way to improve naming consistency.

Change-Id: I0a154fe492b90aa426e6af38a3c08d7c1ee8d031
diff --git a/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java b/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java
new file mode 100644
index 0000000..16abe70
--- /dev/null
+++ b/web/api/src/test/java/org/onosproject/rest/resources/IntentsResourceTest.java
@@ -0,0 +1,492 @@
+/*
+ * Copyright 2014-2015 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.rest.resources;
+
+import com.eclipsesource.json.Json;
+import com.eclipsesource.json.JsonArray;
+import com.eclipsesource.json.JsonObject;
+import com.eclipsesource.json.JsonValue;
+import org.hamcrest.Description;
+import org.hamcrest.Matchers;
+import org.hamcrest.TypeSafeMatcher;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.osgi.ServiceDirectory;
+import org.onlab.osgi.TestServiceDirectory;
+import org.onlab.rest.BaseResource;
+import org.onosproject.codec.CodecService;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.core.IdGenerator;
+import org.onosproject.net.NetworkResource;
+import org.onosproject.net.intent.FakeIntentManager;
+import org.onosproject.net.intent.Intent;
+import org.onosproject.net.intent.IntentService;
+import org.onosproject.net.intent.IntentState;
+import org.onosproject.net.intent.Key;
+import org.onosproject.net.intent.MockIdGenerator;
+
+import javax.ws.rs.NotFoundException;
+import javax.ws.rs.client.Entity;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.util.Collections;
+import java.util.HashSet;
+
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.hamcrest.Matchers.containsString;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.assertThat;
+import static org.junit.Assert.fail;
+import static org.onosproject.net.intent.IntentTestsMocks.MockIntent;
+
+/**
+ * Unit tests for Intents REST APIs.
+ */
+public class IntentsResourceTest extends ResourceTest {
+    final IntentService mockIntentService = createMock(IntentService.class);
+    final CoreService mockCoreService = createMock(CoreService.class);
+    final HashSet<Intent> intents = new HashSet<>();
+    private static final ApplicationId APP_ID = new DefaultApplicationId(1, "test");
+    private IdGenerator mockGenerator;
+
+    private class MockResource implements NetworkResource {
+        int id;
+
+        MockResource(int id) {
+            this.id = id;
+        }
+
+        @Override
+        public String toString() {
+            return "Resource " + Integer.toString(id);
+        }
+    }
+
+    /**
+     * Hamcrest matcher to check that an intent representation in JSON matches
+     * the actual intent.
+     */
+    public static class IntentJsonMatcher extends TypeSafeMatcher<JsonObject> {
+        private final Intent intent;
+        private String reason = "";
+
+        public IntentJsonMatcher(Intent intentValue) {
+            intent = intentValue;
+        }
+
+        @Override
+        public boolean matchesSafely(JsonObject jsonIntent) {
+            // check id
+            final String jsonId = jsonIntent.get("id").asString();
+            if (!jsonId.equals(intent.id().toString())) {
+                reason = "id " + intent.id().toString();
+                return false;
+            }
+
+            // check application id
+
+            final String jsonAppId = jsonIntent.get("appId").asString();
+            final String appId = intent.appId().name();
+            if (!jsonAppId.equals(appId)) {
+                reason = "appId was " + jsonAppId;
+                return false;
+            }
+
+            // check intent type
+            final String jsonType = jsonIntent.get("type").asString();
+            if (!jsonType.equals("MockIntent")) {
+                reason = "type MockIntent";
+                return false;
+            }
+
+            // check state field
+            final String jsonState = jsonIntent.get("state").asString();
+            if (!jsonState.equals("INSTALLED")) {
+                reason = "state INSTALLED";
+                return false;
+            }
+
+            // check resources array
+            final JsonArray jsonResources = jsonIntent.get("resources").asArray();
+            if (intent.resources() != null) {
+                if (intent.resources().size() != jsonResources.size()) {
+                    reason = "resources array size of " + Integer.toString(intent.resources().size());
+                    return false;
+                }
+                for (final NetworkResource resource : intent.resources()) {
+                    boolean resourceFound = false;
+                    final String resourceString = resource.toString();
+                    for (int resourceIndex = 0; resourceIndex < jsonResources.size(); resourceIndex++) {
+                        final JsonValue value = jsonResources.get(resourceIndex);
+                        if (value.asString().equals(resourceString)) {
+                            resourceFound = true;
+                        }
+                    }
+                    if (!resourceFound) {
+                        reason = "resource " + resourceString;
+                        return false;
+                    }
+                }
+            } else if (jsonResources.size() != 0) {
+                reason = "resources array empty";
+                return false;
+            }
+            return true;
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText(reason);
+        }
+    }
+
+    /**
+     * Factory to allocate an intent matcher.
+     *
+     * @param intent intent object we are looking for
+     * @return matcher
+     */
+    private static IntentJsonMatcher matchesIntent(Intent intent) {
+        return new IntentJsonMatcher(intent);
+    }
+
+    /**
+     * Hamcrest matcher to check that an intent is represented properly in a JSON
+     * array of intents.
+     */
+    public static class IntentJsonArrayMatcher extends TypeSafeMatcher<JsonArray> {
+        private final Intent intent;
+        private String reason = "";
+
+        public IntentJsonArrayMatcher(Intent intentValue) {
+            intent = intentValue;
+        }
+
+        @Override
+        public boolean matchesSafely(JsonArray json) {
+            boolean intentFound = false;
+            final int expectedAttributes = 5;
+            for (int jsonIntentIndex = 0; jsonIntentIndex < json.size();
+                 jsonIntentIndex++) {
+
+                final JsonObject jsonIntent = json.get(jsonIntentIndex).asObject();
+
+                if (jsonIntent.names().size() != expectedAttributes) {
+                    reason = "Found an intent with the wrong number of attributes";
+                    return false;
+                }
+
+                final String jsonIntentId = jsonIntent.get("id").asString();
+                if (jsonIntentId.equals(intent.id().toString())) {
+                    intentFound = true;
+
+                    //  We found the correct intent, check attribute values
+                    assertThat(jsonIntent, matchesIntent(intent));
+                }
+            }
+            if (!intentFound) {
+                reason = "Intent with id " + intent.id().toString() + " not found";
+                return false;
+            } else {
+                return true;
+            }
+        }
+
+        @Override
+        public void describeTo(Description description) {
+            description.appendText(reason);
+        }
+    }
+
+    /**
+     * Factory to allocate an intent array matcher.
+     *
+     * @param intent intent object we are looking for
+     * @return matcher
+     */
+    private static IntentJsonArrayMatcher hasIntent(Intent intent) {
+        return new IntentJsonArrayMatcher(intent);
+    }
+
+    /**
+     * Initializes test mocks and environment.
+     */
+    @Before
+    public void setUpTest() {
+        expect(mockIntentService.getIntents()).andReturn(intents).anyTimes();
+        expect(mockIntentService.getIntentState(anyObject()))
+                .andReturn(IntentState.INSTALLED)
+                .anyTimes();
+        // Register the services needed for the test
+        final CodecManager codecService =  new CodecManager();
+        codecService.activate();
+        ServiceDirectory testDirectory =
+                new TestServiceDirectory()
+                        .add(IntentService.class, mockIntentService)
+                        .add(CodecService.class, codecService)
+                        .add(CoreService.class, mockCoreService);
+
+        BaseResource.setServiceDirectory(testDirectory);
+
+        mockGenerator = new MockIdGenerator();
+        Intent.bindIdGenerator(mockGenerator);
+    }
+
+    /**
+     * Tears down and verifies test mocks and environment.
+     */
+    @After
+    public void tearDownTest() {
+        verify(mockIntentService);
+        Intent.unbindIdGenerator(mockGenerator);
+    }
+
+    /**
+     * Tests the result of the rest api GET when there are no intents.
+     */
+    @Test
+    public void testIntentsEmptyArray() {
+        replay(mockIntentService);
+        final WebTarget wt = target();
+        final String response = wt.path("intents").request().get(String.class);
+        assertThat(response, is("{\"intents\":[]}"));
+    }
+
+    /**
+     * Tests the result of the rest api GET when intents are defined.
+     */
+    @Test
+    public void testIntentsArray() {
+        replay(mockIntentService);
+
+        final Intent intent1 = new MockIntent(1L, Collections.emptyList());
+        final HashSet<NetworkResource> resources = new HashSet<>();
+        resources.add(new MockResource(1));
+        resources.add(new MockResource(2));
+        resources.add(new MockResource(3));
+        final Intent intent2 = new MockIntent(2L, resources);
+
+        intents.add(intent1);
+        intents.add(intent2);
+        final WebTarget wt = target();
+        final String response = wt.path("intents").request().get(String.class);
+        assertThat(response, containsString("{\"intents\":["));
+
+        final JsonObject result = Json.parse(response).asObject();
+        assertThat(result, notNullValue());
+
+        assertThat(result.names(), hasSize(1));
+        assertThat(result.names().get(0), is("intents"));
+
+        final JsonArray jsonIntents = result.get("intents").asArray();
+        assertThat(jsonIntents, notNullValue());
+
+        assertThat(jsonIntents, hasIntent(intent1));
+        assertThat(jsonIntents, hasIntent(intent2));
+    }
+
+    /**
+     * Tests the result of a rest api GET for a single intent.
+     */
+    @Test
+    public void testIntentsSingle() {
+        final HashSet<NetworkResource> resources = new HashSet<>();
+        resources.add(new MockResource(1));
+        resources.add(new MockResource(2));
+        resources.add(new MockResource(3));
+        final Intent intent = new MockIntent(3L, resources);
+
+        intents.add(intent);
+
+        expect(mockIntentService.getIntent(Key.of(0, APP_ID)))
+                .andReturn(intent)
+                .anyTimes();
+        expect(mockIntentService.getIntent(Key.of("0", APP_ID)))
+                .andReturn(intent)
+                .anyTimes();
+        expect(mockIntentService.getIntent(Key.of(0, APP_ID)))
+                .andReturn(intent)
+                .anyTimes();
+        expect(mockIntentService.getIntent(Key.of("0x0", APP_ID)))
+                .andReturn(null)
+                .anyTimes();
+        replay(mockIntentService);
+        expect(mockCoreService.getAppId(APP_ID.name()))
+                .andReturn(APP_ID).anyTimes();
+        replay(mockCoreService);
+        final WebTarget wt = target();
+
+        // Test get using key string
+        final String response = wt.path("intents/" + APP_ID.name()
+                + "/0").request().get(String.class);
+        final JsonObject result = Json.parse(response).asObject();
+        assertThat(result, matchesIntent(intent));
+
+        // Test get using numeric value
+        final String responseNumeric = wt.path("intents/" + APP_ID.name()
+                + "/0x0").request().get(String.class);
+        final JsonObject resultNumeric = Json.parse(responseNumeric).asObject();
+        assertThat(resultNumeric, matchesIntent(intent));
+    }
+
+    /**
+     * Tests that a fetch of a non-existent intent object throws an exception.
+     */
+    @Test
+    public void testBadGet() {
+
+        expect(mockIntentService.getIntent(Key.of(0, APP_ID)))
+                .andReturn(null)
+                .anyTimes();
+        replay(mockIntentService);
+
+        WebTarget wt = target();
+        try {
+            wt.path("intents/0").request().get(String.class);
+            fail("Fetch of non-existent intent did not throw an exception");
+        } catch (NotFoundException ex) {
+            assertThat(ex.getMessage(),
+                    containsString("HTTP 404 Not Found"));
+        }
+    }
+
+    /**
+     * Tests creating an intent with POST.
+     */
+    @Test
+    public void testPost() {
+        ApplicationId testId = new DefaultApplicationId(2, "myApp");
+        expect(mockCoreService.getAppId("myApp"))
+                .andReturn(testId);
+        replay(mockCoreService);
+
+        mockIntentService.submit(anyObject());
+        expectLastCall();
+        replay(mockIntentService);
+
+        InputStream jsonStream = IntentsResourceTest.class
+                .getResourceAsStream("post-intent.json");
+        WebTarget wt = target();
+
+        Response response = wt.path("intents")
+                .request(MediaType.APPLICATION_JSON_TYPE)
+                .post(Entity.json(jsonStream));
+        assertThat(response.getStatus(), is(HttpURLConnection.HTTP_CREATED));
+        String location = response.getLocation().getPath();
+        assertThat(location, Matchers.startsWith("/intents/myApp/"));
+    }
+
+    /**
+     * Tests creating an intent with POST and illegal JSON.
+     */
+    @Test
+    public void testBadPost() {
+        replay(mockCoreService);
+        replay(mockIntentService);
+
+        String json = "this is invalid!";
+        WebTarget wt = target();
+
+        Response response = wt.path("intents")
+                .request(MediaType.APPLICATION_JSON_TYPE)
+                .post(Entity.json(json));
+        assertThat(response.getStatus(), is(HttpURLConnection.HTTP_BAD_REQUEST));
+    }
+
+    /**
+     * Tests removing an intent with DELETE.
+     */
+    @Test
+    public void testRemove() {
+        final HashSet<NetworkResource> resources = new HashSet<>();
+        resources.add(new MockResource(1));
+        resources.add(new MockResource(2));
+        resources.add(new MockResource(3));
+        final Intent intent = new MockIntent(3L, resources);
+        final ApplicationId appId = new DefaultApplicationId(2, "app");
+        IntentService fakeManager = new FakeIntentManager();
+
+        expect(mockCoreService.getAppId("app"))
+                .andReturn(appId).once();
+        replay(mockCoreService);
+
+        mockIntentService.withdraw(anyObject());
+        expectLastCall().andDelegateTo(fakeManager).once();
+        expect(mockIntentService.getIntent(Key.of(2, appId)))
+                .andReturn(intent)
+                .once();
+        expect(mockIntentService.getIntent(Key.of("0x2", appId)))
+                .andReturn(null)
+                .once();
+
+        mockIntentService.addListener(anyObject());
+        expectLastCall().andDelegateTo(fakeManager).once();
+        mockIntentService.removeListener(anyObject());
+        expectLastCall().andDelegateTo(fakeManager).once();
+
+        replay(mockIntentService);
+
+        WebTarget wt = target();
+
+        Response response = wt.path("intents/app/0x2")
+                .request(MediaType.APPLICATION_JSON_TYPE)
+                .delete();
+        assertThat(response.getStatus(), is(HttpURLConnection.HTTP_NO_CONTENT));
+    }
+
+    /**
+     * Tests removal of a non existent intent with DELETE.
+     */
+    @Test
+    public void testBadRemove() {
+        final ApplicationId appId = new DefaultApplicationId(2, "app");
+
+        expect(mockCoreService.getAppId("app"))
+                .andReturn(appId).once();
+        replay(mockCoreService);
+
+        expect(mockIntentService.getIntent(Key.of(2, appId)))
+                .andReturn(null)
+                .once();
+        expect(mockIntentService.getIntent(Key.of("0x2", appId)))
+                .andReturn(null)
+                .once();
+
+        replay(mockIntentService);
+
+        WebTarget wt = target();
+
+        Response response = wt.path("intents/app/0x2")
+                .request(MediaType.APPLICATION_JSON_TYPE)
+                .delete();
+        assertThat(response.getStatus(), is(HttpURLConnection.HTTP_NO_CONTENT));
+    }
+
+}