add test for CredentialsProviderFactory

paimon-core/src/main/java/org/apache/paimon/rest/auth/BearTokenCredentialsProviderFactory.java

@@ -19,6 +19,7 @@
 package org.apache.paimon.rest.auth;
 
 import org.apache.paimon.options.Options;
+import org.apache.paimon.utils.StringUtils;
 
 /** factory for create {@link BearTokenCredentialsProvider}. */
 public class BearTokenCredentialsProviderFactory implements CredentialsProviderFactory {
@@ -29,6 +30,12 @@ public String identifier() {
 
     @Override
     public CredentialsProvider create(Options options) {
+        if (options.getOptional(AuthOptions.TOKEN)
+                .map(StringUtils::isNullOrWhitespaceOnly)
+                .orElse(true)) {
+            throw new IllegalArgumentException(
+                    AuthOptions.TOKEN.key() + " is required and not empty");
+        }
         return new BearTokenCredentialsProvider(options.get(AuthOptions.TOKEN));
     }
 }

paimon-core/src/test/java/org/apache/paimon/rest/auth/CredentialsProviderFactoryTest.java

@@ -0,0 +1,131 @@
+/*
+ * 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.paimon.rest.auth;
+
+import org.apache.paimon.options.Options;
+
+import org.apache.commons.io.FileUtils;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import java.io.File;
+import java.time.Duration;
+import java.util.UUID;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertThrows;
+
+/** Test for {@link CredentialsProviderFactory}. */
+public class CredentialsProviderFactoryTest {
+
+    @Rule public TemporaryFolder folder = new TemporaryFolder();
+
+    @Test
+    public void testCreateBearTokenCredentialsProviderSuccess() {
+        Options options = new Options();
+        String token = UUID.randomUUID().toString();
+        options.set(AuthOptions.TOKEN, token);
+        options.set(AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN.name());
+        BearTokenCredentialsProvider credentialsProvider =
+                (BearTokenCredentialsProvider)
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader());
+        assertEquals(token, credentialsProvider.token());
+    }
+
+    @Test
+    public void testCreateBearTokenCredentialsProviderFail() {
+        Options options = new Options();
+        options.set(AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN.name());
+        assertThrows(
+                IllegalArgumentException.class,
+                () ->
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader()));
+    }
+
+    @Test
+    public void testCreateBearTokenFileCredentialsProviderSuccess() throws Exception {
+        Options options = new Options();
+        String fileName = "token";
+        File tokenFile = folder.newFile(fileName);
+        String token = UUID.randomUUID().toString();
+        FileUtils.writeStringToFile(tokenFile, token);
+        options.set(AuthOptions.TOKEN_FILE_PATH, tokenFile.getPath());
+        options.set(
+                AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN_FILE.name());
+        BearTokenFileCredentialsProvider credentialsProvider =
+                (BearTokenFileCredentialsProvider)
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader());
+        assertEquals(token, credentialsProvider.token());
+    }
+
+    @Test
+    public void testCreateBearTokenFileCredentialsProviderFail() throws Exception {
+        Options options = new Options();
+        options.set(
+                AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN_FILE.name());
+        assertThrows(
+                IllegalArgumentException.class,
+                () ->
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader()));
+    }
+
+    @Test
+    public void testCreateRefreshBearTokenFileCredentialsProviderSuccess() throws Exception {
+        Options options = new Options();
+        String fileName = "token";
+        File tokenFile = folder.newFile(fileName);
+        String token = UUID.randomUUID().toString();
+        FileUtils.writeStringToFile(tokenFile, token);
+        options.set(
+                AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN_FILE.name());
+        options.set(AuthOptions.TOKEN_FILE_PATH, tokenFile.getPath());
+        options.set(AuthOptions.TOKEN_REFRESH_ENABLED, true);
+        options.set(AuthOptions.TOKEN_EXPIRES_IN, Duration.ofSeconds(10L));
+        BearTokenFileCredentialsProvider credentialsProvider =
+                (BearTokenFileCredentialsProvider)
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader());
+        assertEquals(token, credentialsProvider.token());
+    }
+
+    @Test
+    public void testCreateRefreshBearTokenFileCredentialsProviderFail() throws Exception {
+        Options options = new Options();
+        String fileName = "token";
+        File tokenFile = folder.newFile(fileName);
+        String token = UUID.randomUUID().toString();
+        FileUtils.writeStringToFile(tokenFile, token);
+        options.set(
+                AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN_FILE.name());
+        options.set(AuthOptions.TOKEN_FILE_PATH, tokenFile.getPath());
+        options.set(AuthOptions.TOKEN_REFRESH_ENABLED, true);
+        options.set(
+                AuthOptions.CREDENTIALS_PROVIDER, CredentialsProviderType.BEAR_TOKEN_FILE.name());
+        assertThrows(
+                IllegalArgumentException.class,
+                () ->
+                        CredentialsProviderFactory.createCredentialsProvider(
+                                options, this.getClass().getClassLoader()));
+    }
+}