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new fcde0350303 Add QueryHeaderBuilderEngineTest (#37482)
fcde0350303 is described below
commit fcde03503030f8f5e860c7124ba4904e287608d7
Author: Liang Zhang <[email protected]>
AuthorDate: Tue Dec 23 23:15:45 2025 +0800
Add QueryHeaderBuilderEngineTest (#37482)
---
.../header/query/QueryHeaderBuilderEngineTest.java | 84 ++++++++++++++++++++++
1 file changed, 84 insertions(+)
diff --git
a/proxy/backend/core/src/test/java/org/apache/shardingsphere/proxy/backend/response/header/query/QueryHeaderBuilderEngineTest.java
b/proxy/backend/core/src/test/java/org/apache/shardingsphere/proxy/backend/response/header/query/QueryHeaderBuilderEngineTest.java
new file mode 100644
index 00000000000..25a027f5eb1
--- /dev/null
+++
b/proxy/backend/core/src/test/java/org/apache/shardingsphere/proxy/backend/response/header/query/QueryHeaderBuilderEngineTest.java
@@ -0,0 +1,84 @@
+/*
+ * 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.proxy.backend.response.header.query;
+
+import
org.apache.shardingsphere.database.connector.core.spi.DatabaseTypedSPILoader;
+import org.apache.shardingsphere.database.connector.core.type.DatabaseType;
+import
org.apache.shardingsphere.infra.binder.context.segment.select.projection.Projection;
+import
org.apache.shardingsphere.infra.binder.context.segment.select.projection.ProjectionsContext;
+import
org.apache.shardingsphere.infra.exception.kernel.syntax.ColumnIndexOutOfRangeException;
+import
org.apache.shardingsphere.infra.executor.sql.execute.result.query.QueryResultMetaData;
+import
org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
+import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader;
+import org.junit.jupiter.api.Test;
+import org.mockito.MockedStatic;
+
+import java.sql.SQLException;
+import java.util.Collections;
+
+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.mock;
+import static org.mockito.Mockito.mockStatic;
+import static org.mockito.Mockito.when;
+
+class QueryHeaderBuilderEngineTest {
+
+ private final DatabaseType databaseType =
TypedSPILoader.getService(DatabaseType.class, "FIXTURE");
+
+ @Test
+ void assertBuildWithoutProjections() throws SQLException {
+ QueryResultMetaData queryResultMetaData =
mock(QueryResultMetaData.class);
+ when(queryResultMetaData.getColumnName(1)).thenReturn("col_name");
+ when(queryResultMetaData.getColumnLabel(1)).thenReturn("col_label");
+ ShardingSphereDatabase database = mock(ShardingSphereDatabase.class);
+ QueryHeader expectedQueryHeader = mock(QueryHeader.class);
+ try (MockedStatic<DatabaseTypedSPILoader> spiLoader =
mockStatic(DatabaseTypedSPILoader.class)) {
+ QueryHeaderBuilder queryHeaderBuilder =
mock(QueryHeaderBuilder.class);
+ when(queryHeaderBuilder.build(queryResultMetaData, database,
"col_name", "col_label", 1)).thenReturn(expectedQueryHeader);
+ spiLoader.when(() ->
DatabaseTypedSPILoader.getService(QueryHeaderBuilder.class,
databaseType)).thenReturn(queryHeaderBuilder);
+ QueryHeader actualQueryHeader = new
QueryHeaderBuilderEngine(databaseType).build(queryResultMetaData, database, 1);
+ assertThat(actualQueryHeader, is(expectedQueryHeader));
+ }
+ }
+
+ @Test
+ void assertBuildWithProjections() throws SQLException {
+ Projection projection = mock(Projection.class);
+ when(projection.getColumnName()).thenReturn("c1");
+ when(projection.getColumnLabel()).thenReturn("l1");
+ ProjectionsContext projectionsContext = new ProjectionsContext(0, 0,
false, Collections.singleton(projection));
+ QueryResultMetaData queryResultMetaData =
mock(QueryResultMetaData.class);
+ ShardingSphereDatabase database = mock(ShardingSphereDatabase.class);
+ QueryHeader expectedQueryHeader = mock(QueryHeader.class);
+ try (MockedStatic<DatabaseTypedSPILoader> spiLoader =
mockStatic(DatabaseTypedSPILoader.class)) {
+ QueryHeaderBuilder queryHeaderBuilder =
mock(QueryHeaderBuilder.class);
+ when(queryHeaderBuilder.build(queryResultMetaData, database, "c1",
"l1", 1)).thenReturn(expectedQueryHeader);
+ spiLoader.when(() ->
DatabaseTypedSPILoader.getService(QueryHeaderBuilder.class,
databaseType)).thenReturn(queryHeaderBuilder);
+ QueryHeader actualQueryHeader = new
QueryHeaderBuilderEngine(databaseType).build(projectionsContext,
queryResultMetaData, database, 1);
+ assertThat(actualQueryHeader, is(expectedQueryHeader));
+ }
+ }
+
+ @Test
+ void assertBuildWithProjectionsColumnIndexOutOfRange() {
+ ProjectionsContext projectionsContext = new ProjectionsContext(0, 0,
false, Collections.singleton(mock(Projection.class)));
+ assertThrows(ColumnIndexOutOfRangeException.class, () -> new
QueryHeaderBuilderEngine(databaseType).build(projectionsContext, mock(),
mock(), 2));
+ }
+}
