/*
 * 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.
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package org.apache.shardingsphere.proxy.frontend.postgresql.authentication.authenticator;

import org.apache.shardingsphere.authority.rule.AuthorityRule;
import org.apache.shardingsphere.infra.metadata.user.ShardingSphereUser;
import org.apache.shardingsphere.authentication.Authenticator;
import org.apache.shardingsphere.authentication.AuthenticatorFactory;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.ArgumentsProvider;
import org.junit.jupiter.params.provider.ArgumentsSource;

import java.util.stream.Stream;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

class PostgreSQLAuthenticatorTypeTest {
    
    private final AuthorityRule rule = mock(AuthorityRule.class);
    
    @ParameterizedTest(name = "{0}")
    @ArgumentsSource(TestCaseArgumentsProvider.class)
    void assertAuthenticator(final String name, final String authenticatorType, final String expectedAuthenticatorMethodName) {
        when(rule.getAuthenticatorType(any())).thenReturn(authenticatorType);
        Authenticator actual = new AuthenticatorFactory<>(PostgreSQLAuthenticatorType.class, rule).newInstance(mock(ShardingSphereUser.class));
        assertThat(actual.getAuthenticationMethodName(), is(expectedAuthenticatorMethodName));
    }
    
    private static class TestCaseArgumentsProvider implements ArgumentsProvider {
        
        @Override
        public Stream<? extends Arguments> provideArguments(final ExtensionContext extensionContext) {
            return Stream.of(
                    Arguments.of("default", "", "md5"),
                    Arguments.of("error", "error", "md5"),
                    Arguments.of("md5", "MD5", "md5"),
                    Arguments.of("password", "PASSWORD", "password"));
        }
    }
}
