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Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2021/04/26 07:15:15 UTC
[GitHub] [druid] abhishekagarwal87 commented on a change in pull request #11152: Unit test for DefaultOperandTypeChecker
abhishekagarwal87 commented on a change in pull request #11152:
URL: https://github.com/apache/druid/pull/11152#discussion_r620017497
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File path: sql/src/test/java/org/apache/druid/sql/calcite/expression/OperatorConversionsTest.java
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@@ -0,0 +1,405 @@
+/*
+ * 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.druid.sql.calcite.expression;
+
+import com.google.common.collect.ImmutableList;
+import it.unimi.dsi.fastutil.ints.IntSets;
+import org.apache.calcite.rel.type.RelDataType;
+import org.apache.calcite.runtime.CalciteContextException;
+import org.apache.calcite.runtime.Resources.ExInst;
+import org.apache.calcite.sql.SqlCallBinding;
+import org.apache.calcite.sql.SqlFunction;
+import org.apache.calcite.sql.SqlLiteral;
+import org.apache.calcite.sql.SqlNode;
+import org.apache.calcite.sql.SqlOperandCountRange;
+import org.apache.calcite.sql.parser.SqlParserPos;
+import org.apache.calcite.sql.type.SqlOperandTypeChecker;
+import org.apache.calcite.sql.type.SqlTypeFamily;
+import org.apache.calcite.sql.type.SqlTypeName;
+import org.apache.calcite.sql.validate.SqlValidator;
+import org.apache.calcite.sql.validate.SqlValidatorScope;
+import org.apache.druid.java.util.common.StringUtils;
+import org.apache.druid.sql.calcite.expression.OperatorConversions.DefaultOperandTypeChecker;
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.experimental.runners.Enclosed;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentMatchers;
+import org.mockito.Mockito;
+import org.mockito.stubbing.Answer;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+@RunWith(Enclosed.class)
+public class OperatorConversionsTest
+{
+ public static class DefaultOperandTypeCheckerTest
+ {
+ @Rule
+ public ExpectedException expectedException = ExpectedException.none();
+
+ @Test
+ public void testGetOperandCountRange()
+ {
+ SqlOperandTypeChecker typeChecker = new DefaultOperandTypeChecker(
+ ImmutableList.of(SqlTypeFamily.INTEGER, SqlTypeFamily.INTEGER, SqlTypeFamily.INTEGER),
+ 2,
+ IntSets.EMPTY_SET,
+ null
+ );
+ SqlOperandCountRange countRange = typeChecker.getOperandCountRange();
+ Assert.assertEquals(2, countRange.getMin());
+ Assert.assertEquals(3, countRange.getMax());
+ }
+
+ @Test
+ public void testIsOptional()
+ {
+ SqlOperandTypeChecker typeChecker = new DefaultOperandTypeChecker(
+ ImmutableList.of(SqlTypeFamily.INTEGER, SqlTypeFamily.INTEGER, SqlTypeFamily.INTEGER),
+ 2,
+ IntSets.EMPTY_SET,
+ null
+ );
+ Assert.assertFalse(typeChecker.isOptional(0));
+ Assert.assertFalse(typeChecker.isOptional(1));
+ Assert.assertTrue(typeChecker.isOptional(2));
+ }
+
+ @Test
+ public void testAllowFullOperands()
+ {
+ SqlFunction function = OperatorConversions
+ .operatorBuilder("testAllowFullOperands")
+ .operandTypes(SqlTypeFamily.INTEGER, SqlTypeFamily.DATE)
+ .requiredOperands(1)
+ .returnTypeNonNull(SqlTypeName.CHAR)
+ .build();
+ SqlOperandTypeChecker typeChecker = function.getOperandTypeChecker();
+ Assert.assertTrue(
+ typeChecker.checkOperandTypes(
+ mockCallBinding(
+ function,
+ ImmutableList.of(
+ new OperandSpec(SqlTypeName.INTEGER, false),
+ new OperandSpec(SqlTypeName.DATE, false)
+ )
+ ),
+ true
+ )
+ );
+ }
+
+ @Test
+ public void testRequiredOperandsOnly()
+ {
+ SqlFunction function = OperatorConversions
+ .operatorBuilder("testRequiredOperandsOnly")
+ .operandTypes(SqlTypeFamily.INTEGER, SqlTypeFamily.DATE)
+ .requiredOperands(1)
+ .returnTypeNonNull(SqlTypeName.CHAR)
+ .build();
+ SqlOperandTypeChecker typeChecker = function.getOperandTypeChecker();
+ Assert.assertTrue(
+ typeChecker.checkOperandTypes(
+ mockCallBinding(
+ function,
+ ImmutableList.of(new OperandSpec(SqlTypeName.INTEGER, false))
+ ),
+ true
+ )
+ );
+ }
+
+ @Test
+ public void testLiteralOperandCheckLiteral()
+ {
+ SqlFunction function = OperatorConversions
+ .operatorBuilder("testLiteralOperandCheckLiteral")
+ .operandTypes(SqlTypeFamily.INTEGER)
+ .requiredOperands(1)
+ .literalOperands(0)
+ .returnTypeNonNull(SqlTypeName.CHAR)
+ .build();
+ SqlOperandTypeChecker typeChecker = function.getOperandTypeChecker();
+ Assert.assertFalse(
+ typeChecker.checkOperandTypes(
+ mockCallBinding(
+ function,
+ ImmutableList.of(new OperandSpec(SqlTypeName.INTEGER, false))
+ ),
+ false
+ )
+ );
+ }
+
+ @Test
+ public void testLiteralOperandCheckLiteralThrow()
+ {
+ SqlFunction function = OperatorConversions
+ .operatorBuilder("testLiteralOperandCheckLiteralThrow")
+ .operandTypes(SqlTypeFamily.INTEGER)
+ .requiredOperands(1)
+ .literalOperands(0)
+ .returnTypeNonNull(SqlTypeName.CHAR)
+ .build();
+ SqlOperandTypeChecker typeChecker = function.getOperandTypeChecker();
+ expectedException.expect(CalciteContextException.class);
+ expectedException.expectMessage("Argument to function 'testLiteralOperandCheckLiteralThrow' must be a literal");
+ typeChecker.checkOperandTypes(
+ mockCallBinding(
+ function,
+ ImmutableList.of(new OperandSpec(SqlTypeName.INTEGER, false))
+ ),
+ true
+ );
+ }
+
+ @Test
+ public void testAnyTypeOperand()
+ {
+ SqlFunction function = OperatorConversions
+ .operatorBuilder("testAnyTypeOperand")
+ .operandTypes(SqlTypeFamily.ANY)
+ .requiredOperands(1)
+ .returnTypeNonNull(SqlTypeName.CHAR)
+ .build();
+ SqlOperandTypeChecker typeChecker = function.getOperandTypeChecker();
+ Assert.assertTrue(
+ typeChecker.checkOperandTypes(
+ mockCallBinding(
+ function,
+ ImmutableList.of(new OperandSpec(SqlTypeName.DISTINCT, false))
+ ),
+ true
+ )
+ );
+ }
+
+ @Test
+ public void testCastableFromDateTimestampToDatetimeFamily()
Review comment:
Nice. wasn't expecting that it will pass as well.
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