kirktrue commented on a change in pull request #11284: URL: https://github.com/apache/kafka/pull/11284#discussion_r734905531
########## File path: clients/src/test/java/org/apache/kafka/common/security/oauthbearer/secured/OAuthBearerTest.java ########## @@ -0,0 +1,202 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.apache.kafka.common.security.oauthbearer.secured; + +import static org.junit.jupiter.api.Assertions.assertTrue; +import static org.junit.jupiter.api.Assertions.fail; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.File; +import java.io.FileWriter; +import java.io.IOException; +import java.net.HttpURLConnection; +import java.net.URL; +import java.util.Arrays; +import java.util.Base64; +import java.util.Collections; +import java.util.Iterator; +import java.util.Map; +import java.util.Random; +import java.util.function.Consumer; +import javax.security.auth.login.AppConfigurationEntry; +import org.apache.kafka.common.config.AbstractConfig; +import org.apache.kafka.common.config.ConfigDef; +import org.apache.kafka.common.security.auth.AuthenticateCallbackHandler; +import org.apache.kafka.common.security.authenticator.TestJaasConfig; +import org.apache.kafka.common.security.oauthbearer.OAuthBearerLoginModule; +import org.apache.kafka.common.utils.Utils; +import org.junit.jupiter.api.TestInstance; +import org.junit.jupiter.api.TestInstance.Lifecycle; +import org.junit.jupiter.api.function.Executable; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +@TestInstance(Lifecycle.PER_CLASS) +public abstract class OAuthBearerTest { + + protected final Logger log = LoggerFactory.getLogger(getClass()); + + protected ObjectMapper mapper = new ObjectMapper(); + + protected void assertThrowsWithMessage(Class<? extends Exception> clazz, + Executable executable, + String substring) { + boolean failed = false; + + try { + executable.execute(); + } catch (Throwable t) { + failed = true; + assertTrue(clazz.isInstance(t), String.format("Test failed by exception %s, but expected %s", t.getClass(), clazz)); + + assertErrorMessageContains(t.getMessage(), substring); + } + + if (!failed) + fail("Expected test to fail with " + clazz + " that contains the string " + substring); + } + + protected void assertErrorMessageContains(String actual, String expectedSubstring) { + assertTrue(actual.contains(expectedSubstring), + String.format("Expected exception message (\"%s\") to contain substring (\"%s\")", + actual, + expectedSubstring)); + } + + protected void configureHandler(AuthenticateCallbackHandler handler, + Map<String, ?> configs, + Map<String, Object> jaasConfig) { + TestJaasConfig config = new TestJaasConfig(); + config.createOrUpdateEntry("KafkaClient", OAuthBearerLoginModule.class.getName(), jaasConfig); + AppConfigurationEntry kafkaClient = config.getAppConfigurationEntry("KafkaClient")[0]; + + handler.configure(configs, + OAuthBearerLoginModule.OAUTHBEARER_MECHANISM, + Collections.singletonList(kafkaClient)); + } + + protected String createBase64JsonJwtSection(Consumer<ObjectNode> c) { + String json = createJsonJwtSection(c); + + try { + return Utils.utf8(Base64.getEncoder().encode(Utils.utf8(json))); + } catch (Throwable t) { + fail(t); + + // Shouldn't get to here... + return null; + } + } + + protected String createJsonJwtSection(Consumer<ObjectNode> c) { + ObjectNode node = mapper.createObjectNode(); + c.accept(node); + + try { + return mapper.writeValueAsString(node); + } catch (Throwable t) { + fail(t); + + // Shouldn't get to here... + return null; + } + } + + protected Retryable<String> createRetryable(Exception[] attempts) { + Iterator<Exception> i = Arrays.asList(attempts).iterator(); + + return () -> { + Exception e = i.hasNext() ? i.next() : null; + + if (e == null) { + return "success!"; + } else { + if (e instanceof IOException) + throw (IOException) e; + else if (e instanceof RuntimeException) + throw (RuntimeException) e; + else + throw new RuntimeException(e); + } + }; + } + + protected HttpURLConnection createHttpURLConnection(String response) throws IOException { + HttpURLConnection mockedCon = mock(HttpURLConnection.class); + when(mockedCon.getURL()).thenReturn(new URL("https://www.example.com";)); + when(mockedCon.getResponseCode()).thenReturn(200); + when(mockedCon.getOutputStream()).thenReturn(new ByteArrayOutputStream()); + when(mockedCon.getInputStream()).thenReturn(new ByteArrayInputStream(Utils.utf8(response))); + return mockedCon; + } + + protected File createTempPemDir() throws IOException { Review comment: It is, and it will be removed. -- This is an automated message from the Apache Git Service. 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