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For apache#26717, fix load single table and add test (apache#26718)
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...che/shardingsphere/single/distsql/handler/update/LoadSingleTableStatementUpdaterTest.java
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| /* | ||
| * 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.single.distsql.handler.update; | ||
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| import org.apache.shardingsphere.dialect.exception.syntax.table.TableExistsException; | ||
| import org.apache.shardingsphere.distsql.handler.exception.storageunit.MissingRequiredStorageUnitsException; | ||
| import org.apache.shardingsphere.infra.database.type.dialect.MySQLDatabaseType; | ||
| import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase; | ||
| import org.apache.shardingsphere.infra.metadata.database.schema.model.ShardingSphereSchema; | ||
| import org.apache.shardingsphere.infra.rule.identifier.type.DataSourceContainedRule; | ||
| import org.apache.shardingsphere.single.api.config.SingleRuleConfiguration; | ||
| import org.apache.shardingsphere.single.distsql.segment.SingleTableSegment; | ||
| import org.apache.shardingsphere.single.distsql.statement.rdl.LoadSingleTableStatement; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.ExtendWith; | ||
| import org.mockito.junit.jupiter.MockitoExtension; | ||
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| import java.util.Collection; | ||
| import java.util.Collections; | ||
| import java.util.Iterator; | ||
| import java.util.LinkedList; | ||
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| import static org.hamcrest.CoreMatchers.is; | ||
| import static org.hamcrest.MatcherAssert.assertThat; | ||
| import static org.junit.jupiter.api.Assertions.assertThrows; | ||
| import static org.mockito.Mockito.RETURNS_DEEP_STUBS; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.when; | ||
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| @ExtendWith(MockitoExtension.class) | ||
| class LoadSingleTableStatementUpdaterTest { | ||
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| private ShardingSphereDatabase database; | ||
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| private ShardingSphereSchema schema; | ||
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| private final LoadSingleTableStatementUpdater updater = new LoadSingleTableStatementUpdater(); | ||
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| @BeforeEach | ||
| void setUp() { | ||
| database = mock(ShardingSphereDatabase.class, RETURNS_DEEP_STUBS); | ||
| when(database.getRuleMetaData().findRules(DataSourceContainedRule.class)).thenReturn(Collections.emptyList()); | ||
| when(database.getProtocolType()).thenReturn(mock(MySQLDatabaseType.class)); | ||
| schema = mock(ShardingSphereSchema.class); | ||
| when(database.getSchema("foo_db")).thenReturn(schema); | ||
| } | ||
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| @Test | ||
| void assertCheckWithDuplicatedTables() { | ||
| when(database.getName()).thenReturn("foo_db"); | ||
| when(schema.containsTable("foo")).thenReturn(true); | ||
| LoadSingleTableStatement sqlStatement = new LoadSingleTableStatement(Collections.singletonList(new SingleTableSegment("ds_0", null, "foo"))); | ||
| assertThrows(TableExistsException.class, () -> updater.checkSQLStatement(database, sqlStatement, mock(SingleRuleConfiguration.class))); | ||
| } | ||
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| @Test | ||
| void assertCheckWithInvalidStorageUnit() { | ||
| when(database.getName()).thenReturn("foo_db"); | ||
| LoadSingleTableStatement sqlStatement = new LoadSingleTableStatement(Collections.singletonList(new SingleTableSegment("ds_0", null, "foo"))); | ||
| assertThrows(MissingRequiredStorageUnitsException.class, () -> updater.checkSQLStatement(database, sqlStatement, mock(SingleRuleConfiguration.class))); | ||
| } | ||
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| @Test | ||
| void assertBuild() { | ||
| LoadSingleTableStatement sqlStatement = new LoadSingleTableStatement(Collections.singletonList(new SingleTableSegment("ds_0", null, "foo"))); | ||
| SingleRuleConfiguration actual = updater.buildToBeCreatedRuleConfiguration(mock(SingleRuleConfiguration.class), sqlStatement); | ||
| assertThat(actual.getTables().iterator().next(), is("ds_0.foo")); | ||
| } | ||
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| @Test | ||
| void assertUpdate() { | ||
| Collection<String> currentTables = new LinkedList<>(Collections.singletonList("ds_0.foo")); | ||
| SingleRuleConfiguration currentConfig = new SingleRuleConfiguration(currentTables, null); | ||
| SingleRuleConfiguration toBeCreatedRuleConfig = new SingleRuleConfiguration(Collections.singletonList("ds_0.bar"), null); | ||
| updater.updateCurrentRuleConfiguration(currentConfig, toBeCreatedRuleConfig); | ||
| Iterator<String> iterator = currentConfig.getTables().iterator(); | ||
| assertThat(iterator.next(), is("ds_0.foo")); | ||
| assertThat(iterator.next(), is("ds_0.bar")); | ||
| } | ||
| } |