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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.
*/
package org.apache.spark.sql.catalyst.parser
import org.apache.spark.SparkFunSuite
/**
* Test various parser errors.
*/
class ErrorParserSuite extends SparkFunSuite {
def intercept(sql: String, line: Int, startPosition: Int, messages: String*): Unit = {
val e = intercept[ParseException](CatalystSqlParser.parsePlan(sql))
// Check position.
assert(e.line.isDefined)
assert(e.line.get === line)
assert(e.startPosition.isDefined)
assert(e.startPosition.get === startPosition)
// Check messages.
val error = e.getMessage
messages.foreach { message =>
assert(error.contains(message))
}
}
test("no viable input") {
intercept("select from tbl", 1, 7, "no viable alternative at input", "-------^^^")
intercept("select\nfrom tbl", 2, 0, "no viable alternative at input", "^^^")
intercept("select ((r + 1) ", 1, 16, "no viable alternative at input", "----------------^^^")
}
test("extraneous input") {
intercept("select 1 1", 1, 9, "extraneous input '1' expecting", "---------^^^")
intercept("select *\nfrom r as q t", 2, 12, "extraneous input", "------------^^^")
}
test("mismatched input") {
intercept("select * from r order by q from t", 1, 27,
"mismatched input",
"---------------------------^^^")
intercept("select *\nfrom r\norder by q\nfrom t", 4, 0, "mismatched input", "^^^")
}
test("semantic errors") {
intercept("select *\nfrom r\norder by q\ncluster by q", 3, 0,
"Combination of ORDER BY/SORT BY/DISTRIBUTE BY/CLUSTER BY is not supported",
"^^^")
intercept("select * from r where a in (select * from t)", 1, 24,
"IN with a Sub-query is currently not supported",
"------------------------^^^")
}
}
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