strongduanmu commented on code in PR #18542: URL: https://github.com/apache/shardingsphere/pull/18542#discussion_r904849464
########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + federationDatabaseMetaData.getSchemaMetadata("foo_db_2"); + } + + @Test + public void assertPutTable() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", Collections.emptyMap()); + ShardingSphereTable fooTable = new ShardingSphereTable("foo_table", Collections.emptyList(), + Collections.emptyList(), Collections.emptyList()); + federationDatabaseMetaData.putTable("foo_db", fooTable); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").map(FederationSchemaMetaData::getTables).map(e -> e.get("foo_table")).orElse(null)); + } + + @Test + public void assertRemoveTableMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", Collections.emptyMap()); + ShardingSphereTable fooTable = new ShardingSphereTable("foo_table", Collections.emptyList(), + Collections.emptyList(), Collections.emptyList()); + federationDatabaseMetaData.putTable("foo_db", fooTable); + federationDatabaseMetaData.removeTableMetadata("foo_db", "foo_table"); + assertNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").map(s -> s.getTables().get("foo_table")).orElse(null)); + } + Review Comment: Please remove this useless black line. ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); Review Comment: Please replace `Maps.of()` with `new HashMap()`; ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + federationDatabaseMetaData.getSchemaMetadata("foo_db_2"); + } + + @Test + public void assertPutTable() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", Collections.emptyMap()); + ShardingSphereTable fooTable = new ShardingSphereTable("foo_table", Collections.emptyList(), + Collections.emptyList(), Collections.emptyList()); + federationDatabaseMetaData.putTable("foo_db", fooTable); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); Review Comment: Do you think use assertTrue is better? ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); Review Comment: Rename sphereSchema to schema may be better. ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( Review Comment: Please replace `Maps.of()` with `new HashMap()`; ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); Review Comment: Do you think use assertTrue is better? ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + federationDatabaseMetaData.getSchemaMetadata("foo_db_2"); Review Comment: Please add assert for this case. ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); Review Comment: Please replace `Maps.of()` with `new HashMap()`; ########## shardingsphere-infra/shardingsphere-infra-federation/shardingsphere-infra-federation-optimizer/src/test/java/org/apache/shardingsphere/infra/federation/optimizer/metadata/FederationDatabaseMetaDataTest.java: ########## @@ -0,0 +1,94 @@ +/* + * 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.shardingsphere.infra.federation.optimizer.metadata; + +import static org.hamcrest.CoreMatchers.is; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertNotNull; +import static org.junit.Assert.assertNull; +import static org.junit.Assert.assertThat; +import static org.junit.Assert.assertTrue; +import static org.mockito.Mockito.mock; + +import java.util.Collections; +import java.util.Map; +import org.apache.groovy.util.Maps; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema; +import org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereTable; +import org.junit.Test; + +public final class FederationDatabaseMetaDataTest { + + @Test + public void assertPutSchemaMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", + Collections.emptyMap()); + FederationSchemaMetaData schemaMetaData = mock(FederationSchemaMetaData.class); + federationDatabaseMetaData.putSchemaMetadata("foo_db", schemaMetaData); + assertThat(federationDatabaseMetaData.getSchemas().get("foo_db"), is(schemaMetaData)); + } + + @Test + public void assertRemoveSchemaMetadata() { + Map<String, ShardingSphereSchema> map = Maps.of( + "foo_db_1", mock(ShardingSphereSchema.class), + "foo_db_2", mock(ShardingSphereSchema.class)); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + federationDatabaseMetaData.removeSchemaMetadata("foo_db_1"); + assertFalse(federationDatabaseMetaData.getSchemas().containsKey("foo_db_1")); + assertTrue(federationDatabaseMetaData.getSchemas().containsKey("foo_db_2")); + } + + @Test + public void assertGetSchemaMetadata() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + } + + @Test + public void assertGetSchemaMetadataByNonexistentKey() { + ShardingSphereSchema sphereSchema = mock(ShardingSphereSchema.class); + Map<String, ShardingSphereSchema> map = Maps.of("foo_db", sphereSchema); + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", map); + federationDatabaseMetaData.getSchemaMetadata("foo_db_2"); + } + + @Test + public void assertPutTable() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", Collections.emptyMap()); + ShardingSphereTable fooTable = new ShardingSphereTable("foo_table", Collections.emptyList(), + Collections.emptyList(), Collections.emptyList()); + federationDatabaseMetaData.putTable("foo_db", fooTable); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").orElse(null)); + assertNotNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").map(FederationSchemaMetaData::getTables).map(e -> e.get("foo_table")).orElse(null)); + } + + @Test + public void assertRemoveTableMetadata() { + FederationDatabaseMetaData federationDatabaseMetaData = new FederationDatabaseMetaData("foo", Collections.emptyMap()); + ShardingSphereTable fooTable = new ShardingSphereTable("foo_table", Collections.emptyList(), + Collections.emptyList(), Collections.emptyList()); + federationDatabaseMetaData.putTable("foo_db", fooTable); + federationDatabaseMetaData.removeTableMetadata("foo_db", "foo_table"); + assertNull(federationDatabaseMetaData.getSchemaMetadata("foo_db").map(s -> s.getTables().get("foo_table")).orElse(null)); Review Comment: Do you think use assertTrue is better? -- This is an automated message from the Apache Git Service. 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