clients/src/test/java/org/apache/kafka/common/requests/DescribeAclsRequestTest.java

/*
 * 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
 *
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * See the License for the specific language governing permissions and
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package org.apache.kafka.common.requests;

import org.apache.kafka.common.acl.AccessControlEntryFilter;
import org.apache.kafka.common.acl.AclBindingFilter;
import org.apache.kafka.common.acl.AclOperation;
import org.apache.kafka.common.acl.AclPermissionType;
import org.apache.kafka.common.resource.PatternType;
import org.apache.kafka.common.resource.ResourcePatternFilter;
import org.apache.kafka.common.resource.ResourceType;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

public class DescribeAclsRequestTest {
    private static final short V1 = 1;

    private static final AclBindingFilter PREFIXED_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.GROUP, "prefix", PatternType.PREFIXED),
        new AccessControlEntryFilter("User:*", "127.0.0.1", AclOperation.CREATE, AclPermissionType.ALLOW));

    private static final AclBindingFilter ANY_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.GROUP, "bar", PatternType.ANY),
        new AccessControlEntryFilter("User:*", "127.0.0.1", AclOperation.CREATE, AclPermissionType.ALLOW));

    private static final AclBindingFilter UNKNOWN_FILTER = new AclBindingFilter(new ResourcePatternFilter(ResourceType.UNKNOWN, "foo", PatternType.LITERAL),
        new AccessControlEntryFilter("User:ANONYMOUS", "127.0.0.1", AclOperation.READ, AclPermissionType.DENY));

    @Test
    public void shouldThrowIfUnknown() {
        assertThrows(IllegalArgumentException.class, () -> new DescribeAclsRequest.Builder(UNKNOWN_FILTER).build(V1));
    }

    @Test
    public void shouldRoundTripPrefixedV1() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(PREFIXED_FILTER).build(V1);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V1);
        assertRequestEquals(original, result);
    }

    @Test
    public void shouldRoundTripAnyV1() {
        final DescribeAclsRequest original = new DescribeAclsRequest.Builder(ANY_FILTER).build(V1);
        final DescribeAclsRequest result = DescribeAclsRequest.parse(original.serialize(), V1);
        assertRequestEquals(original, result);
    }

    private static void assertRequestEquals(final DescribeAclsRequest original, final DescribeAclsRequest actual) {
        final AclBindingFilter originalFilter = original.filter();
        final AclBindingFilter actualFilter = actual.filter();
        assertEquals(originalFilter, actualFilter);
    }
}