Merge "Added STD sim 2.0.0 tests"
[nonrtric.git] / policy-agent / src / test / java / org / oransc / policyagent / tasks / RefreshConfigTaskTest.java
index 788ac41..673ed68 100644 (file)
 
 package org.oransc.policyagent.tasks;
 
+import static ch.qos.logback.classic.Level.ERROR;
+import static ch.qos.logback.classic.Level.WARN;
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.awaitility.Awaitility.await;
 import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.doNothing;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 import ch.qos.logback.classic.spi.ILoggingEvent;
 import ch.qos.logback.core.read.ListAppender;
@@ -44,26 +48,37 @@ import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.nio.charset.StandardCharsets;
+import java.time.Duration;
 import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
 import java.util.Properties;
 import java.util.Vector;
 
-import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.Spy;
-import org.mockito.junit.MockitoJUnitRunner;
 import org.mockito.junit.jupiter.MockitoExtension;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.EnvProperties;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.ImmutableEnvProperties;
+import org.oransc.policyagent.clients.A1ClientFactory;
 import org.oransc.policyagent.configuration.ApplicationConfig;
+import org.oransc.policyagent.configuration.ApplicationConfig.RicConfigUpdate.Type;
 import org.oransc.policyagent.configuration.ApplicationConfigParser;
+import org.oransc.policyagent.configuration.ApplicationConfigParser.ConfigParserResult;
+import org.oransc.policyagent.configuration.ImmutableConfigParserResult;
 import org.oransc.policyagent.configuration.ImmutableRicConfig;
 import org.oransc.policyagent.configuration.RicConfig;
-import org.oransc.policyagent.exceptions.ServiceException;
+import org.oransc.policyagent.repository.ImmutablePolicy;
+import org.oransc.policyagent.repository.ImmutablePolicyType;
+import org.oransc.policyagent.repository.Policies;
+import org.oransc.policyagent.repository.Policy;
+import org.oransc.policyagent.repository.PolicyTypes;
+import org.oransc.policyagent.repository.Ric;
+import org.oransc.policyagent.repository.Rics;
+import org.oransc.policyagent.repository.Services;
 import org.oransc.policyagent.utils.LoggingUtils;
 
 import reactor.core.publisher.Flux;
@@ -71,8 +86,10 @@ import reactor.core.publisher.Mono;
 import reactor.test.StepVerifier;
 
 @ExtendWith(MockitoExtension.class)
-@RunWith(MockitoJUnitRunner.class)
-public class RefreshConfigTaskTest {
+class RefreshConfigTaskTest {
+
+    private static final boolean CONFIG_FILE_EXISTS = true;
+    private static final boolean CONFIG_FILE_DOES_NOT_EXIST = false;
 
     private RefreshConfigTask refreshTaskUnderTest;
 
@@ -82,10 +99,12 @@ public class RefreshConfigTaskTest {
     @Mock
     CbsClient cbsClient;
 
-    public static final ImmutableRicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
-        .name("ric1") //
+    private static final String RIC_1_NAME = "ric1";
+    private static final ImmutableRicConfig CORRECT_RIC_CONIFG = ImmutableRicConfig.builder() //
+        .name(RIC_1_NAME) //
         .baseUrl("http://localhost:8080/") //
         .managedElementIds(new Vector<String>(Arrays.asList("kista_1", "kista_2"))) //
+        .controllerName("") //
         .build();
 
     private static EnvProperties properties() {
@@ -97,17 +116,78 @@ public class RefreshConfigTaskTest {
             .build();
     }
 
+    private RefreshConfigTask createTestObject(boolean configFileExists) {
+        return createTestObject(configFileExists, new Rics(), new Policies(), true);
+    }
+
+    private RefreshConfigTask createTestObject(boolean configFileExists, Rics rics, Policies policies,
+        boolean stubConfigFileExists) {
+        RefreshConfigTask obj = spy(new RefreshConfigTask(appConfig, rics, policies, new Services(), new PolicyTypes(),
+            new A1ClientFactory(appConfig)));
+        if (stubConfigFileExists) {
+            doReturn(configFileExists).when(obj).fileExists(any());
+        }
+        return obj;
+    }
+
+    @Test
+    void startWithStubbedRefresh_thenTerminationLogged() {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, null, null, false);
+        doReturn(Flux.empty()).when(refreshTaskUnderTest).createRefreshTask();
+
+        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
+
+        refreshTaskUnderTest.start();
+
+        assertThat(logAppender.list.get(0).getFormattedMessage()).isEqualTo("Configuration refresh terminated");
+    }
+
+    @Test
+    void startWithStubbedRefreshReturnError_thenErrorAndTerminationLogged() {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, null, null, false);
+        String errorMessage = "Error";
+        doReturn(Flux.error(new Exception(errorMessage))).when(refreshTaskUnderTest).createRefreshTask();
+
+        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
+
+        refreshTaskUnderTest.start();
+
+        ILoggingEvent event = logAppender.list.get(0);
+        assertThat(event.getFormattedMessage())
+            .isEqualTo("Configuration refresh terminated due to exception java.lang.Exception: " + errorMessage);
+    }
+
     @Test
-    public void whenTheConfigurationFits() throws IOException, ServiceException {
-        refreshTaskUnderTest = spy(new RefreshConfigTask(appConfig));
+    void stop_thenTaskIsDisposed() throws Exception {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, null, null, false);
+        refreshTaskUnderTest.systemEnvironment = new Properties();
+
+        refreshTaskUnderTest.start();
+        refreshTaskUnderTest.stop();
+
+        assertThat(refreshTaskUnderTest.getRefreshTask().isDisposed()).as("Refresh task is disposed").isTrue();
+    }
+
+    @Test
+    void whenTheConfigurationFits_thenConfiguredRicsArePutInRepository() throws Exception {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
         refreshTaskUnderTest.systemEnvironment = new Properties();
         // When
         doReturn(getCorrectJson()).when(refreshTaskUnderTest).createInputStream(any());
         doReturn("fileName").when(appConfig).getLocalConfigurationFilePath();
-        refreshTaskUnderTest.start();
+
+        StepVerifier //
+            .create(refreshTaskUnderTest.createRefreshTask()) //
+            .expectSubscription() //
+            .expectNext(Type.ADDED) //
+            .expectNext(Type.ADDED) //
+            .thenCancel() //
+            .verify();
 
         // Then
-        verify(refreshTaskUnderTest, times(1)).loadConfigurationFromFile();
+        verify(refreshTaskUnderTest).loadConfigurationFromFile();
+
+        verify(refreshTaskUnderTest, times(2)).runRicSynchronization(any(Ric.class));
 
         Iterable<RicConfig> ricConfigs = appConfig.getRicConfigs();
         RicConfig ricConfig = ricConfigs.iterator().next();
@@ -116,82 +196,180 @@ public class RefreshConfigTaskTest {
     }
 
     @Test
-    public void whenFileIsExistsButJsonIsIncorrect() throws IOException, ServiceException {
-        refreshTaskUnderTest = spy(new RefreshConfigTask(appConfig));
+    void whenFileExistsButJsonIsIncorrect_thenNoRicsArePutInRepositoryAndErrorIsLogged() throws Exception {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_EXISTS);
         refreshTaskUnderTest.systemEnvironment = new Properties();
 
         // When
         doReturn(getIncorrectJson()).when(refreshTaskUnderTest).createInputStream(any());
         doReturn("fileName").when(appConfig).getLocalConfigurationFilePath();
-        refreshTaskUnderTest.loadConfigurationFromFile();
+
+        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
+
+        StepVerifier //
+            .create(refreshTaskUnderTest.createRefreshTask()) //
+            .expectSubscription() //
+            .expectNoEvent(Duration.ofMillis(100)) //
+            .thenCancel() //
+            .verify();
 
         // Then
-        verify(refreshTaskUnderTest, times(1)).loadConfigurationFromFile();
-        Assertions.assertEquals(0, appConfig.getRicConfigs().size());
+        verify(refreshTaskUnderTest).loadConfigurationFromFile();
+        assertThat(appConfig.getRicConfigs()).isEmpty();
+
+        await().until(() -> logAppender.list.size() > 0);
+        assertThat(logAppender.list.get(0).getFormattedMessage())
+            .startsWith("Local configuration file not loaded: fileName, ");
     }
 
     @Test
-    public void whenPeriodicConfigRefreshNoEnvironmentVariables() {
-        refreshTaskUnderTest = spy(new RefreshConfigTask(appConfig));
+    void whenPeriodicConfigRefreshNoConsul_thenErrorIsLogged() {
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST);
         refreshTaskUnderTest.systemEnvironment = new Properties();
 
-        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class);
-        Flux<ApplicationConfig> task = refreshTaskUnderTest.createRefreshTask();
+        EnvProperties props = properties();
+        doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
 
-        StepVerifier.create(task).expectSubscription().verifyComplete();
+        doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
+        when(cbsClient.get(any())).thenReturn(Mono.error(new IOException()));
+
+        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, WARN);
 
-        assertTrue(logAppender.list.toString().contains("$CONSUL_HOST environment has not been defined"));
+        StepVerifier //
+            .create(refreshTaskUnderTest.createRefreshTask()) //
+            .expectSubscription() //
+            .expectNoEvent(Duration.ofMillis(1000)) //
+            .thenCancel() //
+            .verify();
+
+        await().until(() -> logAppender.list.size() > 0);
+        assertThat(logAppender.list.get(0).getFormattedMessage())
+            .isEqualTo("Could not refresh application configuration. java.io.IOException");
     }
 
     @Test
-    public void whenPeriodicConfigRefreshNoConsul() {
-        refreshTaskUnderTest = spy(new RefreshConfigTask(appConfig));
+    void whenPeriodicConfigRefreshSuccess_thenNewConfigIsCreatedAndRepositoryUpdated() throws Exception {
+        Rics rics = new Rics();
+        Policies policies = new Policies();
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, rics, policies, false);
         refreshTaskUnderTest.systemEnvironment = new Properties();
 
+        RicConfig changedRicConfig = getRicConfig(RIC_1_NAME);
+        rics.put(new Ric(changedRicConfig));
+        RicConfig removedRicConfig = getRicConfig("removed");
+        Ric removedRic = new Ric(removedRicConfig);
+        rics.put(removedRic);
+        appConfig.setConfiguration(configParserResult(changedRicConfig, removedRicConfig));
+
+        Policy policy = getPolicy(removedRic);
+        policies.put(policy);
+
         EnvProperties props = properties();
         doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
-
         doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
-        Flux<JsonObject> err = Flux.error(new IOException());
-        doReturn(err).when(cbsClient).updates(any(), any(), any());
 
-        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class);
-        Flux<ApplicationConfig> task = refreshTaskUnderTest.createRefreshTask();
+        JsonObject configAsJson = getJsonRootObject(true);
+        String newBaseUrl = "newBaseUrl";
+        modifyTheRicConfiguration(configAsJson, newBaseUrl);
+        when(cbsClient.get(any())).thenReturn(Mono.just(configAsJson));
+        doNothing().when(refreshTaskUnderTest).runRicSynchronization(any(Ric.class));
 
         StepVerifier //
-            .create(task) //
+            .create(refreshTaskUnderTest.createRefreshTask()) //
             .expectSubscription() //
-            .verifyComplete();
-
-        assertTrue(
-            logAppender.list.toString().contains("Could not refresh application configuration java.io.IOException"));
+            .expectNext(Type.CHANGED) //
+            .expectNext(Type.ADDED) //
+            .expectNext(Type.REMOVED) //
+            .thenCancel() //
+            .verify();
+
+        assertThat(appConfig.getRicConfigs()).hasSize(2);
+        assertThat(appConfig.getRic(RIC_1_NAME).baseUrl()).isEqualTo(newBaseUrl);
+        String ric2Name = "ric2";
+        assertThat(appConfig.getRic(ric2Name)).isNotNull();
+
+        assertThat(rics.size()).isEqualTo(2);
+        assertThat(rics.get(RIC_1_NAME).getConfig().baseUrl()).isEqualTo(newBaseUrl);
+        assertThat(rics.get(ric2Name)).isNotNull();
+
+        assertThat(policies.size()).isZero();
     }
 
     @Test
-    public void whenPeriodicConfigRefreshSuccess() throws JsonIOException, JsonSyntaxException, IOException {
-        refreshTaskUnderTest = spy(new RefreshConfigTask(appConfig));
+    void whenPeriodicConfigRefreshInvalidJson_thenErrorIsLogged() throws Exception {
+        Rics rics = new Rics();
+        Policies policies = new Policies();
+        refreshTaskUnderTest = this.createTestObject(CONFIG_FILE_DOES_NOT_EXIST, rics, policies, false);
         refreshTaskUnderTest.systemEnvironment = new Properties();
 
+        appConfig.setConfiguration(configParserResult());
+
         EnvProperties props = properties();
         doReturn(Mono.just(props)).when(refreshTaskUnderTest).getEnvironment(any());
         doReturn(Mono.just(cbsClient)).when(refreshTaskUnderTest).createCbsClient(props);
 
-        Flux<JsonObject> json = Flux.just(getJsonRootObject());
-        doReturn(json).when(cbsClient).updates(any(), any(), any());
+        JsonObject configAsJson = getJsonRootObject(false);
+        when(cbsClient.get(any())).thenReturn(Mono.just(configAsJson));
 
-        Flux<ApplicationConfig> task = refreshTaskUnderTest.createRefreshTask();
+        final ListAppender<ILoggingEvent> logAppender = LoggingUtils.getLogListAppender(RefreshConfigTask.class, ERROR);
 
         StepVerifier //
-            .create(task) //
+            .create(refreshTaskUnderTest.createRefreshTask()) //
             .expectSubscription() //
-            .expectNext(appConfig) //
-            .verifyComplete();
+            .expectNoEvent(Duration.ofMillis(1000)) //
+            .thenCancel() //
+            .verify();
+
+        await().until(() -> logAppender.list.size() > 0);
+        assertThat(logAppender.list.get(0).getFormattedMessage())
+            .startsWith("Could not parse configuration org.oransc.policyagent.exceptions.ServiceException: ");
+    }
+
+    private RicConfig getRicConfig(String name) {
+        RicConfig ricConfig = ImmutableRicConfig.builder() //
+            .name(name) //
+            .baseUrl("url") //
+            .managedElementIds(Collections.emptyList()) //
+            .controllerName("controllerName") //
+            .build();
+        return ricConfig;
+    }
+
+    private Policy getPolicy(Ric ric) {
+        ImmutablePolicyType type = ImmutablePolicyType.builder() //
+            .name("type") //
+            .schema("{}") //
+            .build();
+        Policy policy = ImmutablePolicy.builder() //
+            .id("id") //
+            .type(type) //
+            .lastModified("lastModified") //
+            .ric(ric) //
+            .json("{}") //
+            .ownerServiceName("ownerServiceName") //
+            .isTransient(false) //
+            .build();
+        return policy;
+    }
+
+    ConfigParserResult configParserResult(RicConfig... rics) {
+        return ImmutableConfigParserResult.builder() //
+            .ricConfigs(Arrays.asList(rics)) //
+            .dmaapConsumerTopicUrl("") //
+            .dmaapProducerTopicUrl("") //
+            .controllerConfigs(new HashMap<>()) //
+            .build();
+    }
 
-        Assertions.assertNotNull(appConfig.getRicConfigs());
+    private void modifyTheRicConfiguration(JsonObject configAsJson, String newBaseUrl) {
+        ((JsonObject) configAsJson.getAsJsonObject("config") //
+            .getAsJsonArray("ric").get(0)) //
+                .addProperty("baseUrl", newBaseUrl);
     }
 
-    private JsonObject getJsonRootObject() throws JsonIOException, JsonSyntaxException, IOException {
-        JsonObject rootObject = (new JsonParser()).parse(new InputStreamReader(getCorrectJson())).getAsJsonObject();
+    private JsonObject getJsonRootObject(boolean valid) throws JsonIOException, JsonSyntaxException, IOException {
+        JsonObject rootObject = JsonParser
+            .parseReader(new InputStreamReader(valid ? getCorrectJson() : getIncorrectJson())).getAsJsonObject();
         return rootObject;
     }
 
@@ -202,9 +380,7 @@ public class RefreshConfigTaskTest {
     }
 
     private static InputStream getIncorrectJson() {
-        String string = "{" + //
-            "    \"config\": {" + //
-            "        \"ric\": {"; //
+        String string = "{}"; //
         return new ByteArrayInputStream((string.getBytes(StandardCharsets.UTF_8)));
     }
 }