diff options
Diffstat (limited to 'sql/core')
5 files changed, 266 insertions, 36 deletions
diff --git a/sql/core/src/test/resources/sql-tests/inputs/blacklist.sql b/sql/core/src/test/resources/sql-tests/inputs/blacklist.sql new file mode 100644 index 0000000000..d69f8147a5 --- /dev/null +++ b/sql/core/src/test/resources/sql-tests/inputs/blacklist.sql @@ -0,0 +1,4 @@ +-- This is a query file that has been blacklisted. +-- It includes a query that should crash Spark. +-- If the test case is run, the whole suite would fail. +some random not working query that should crash Spark. diff --git a/sql/core/src/test/resources/sql-tests/inputs/number-format.sql b/sql/core/src/test/resources/sql-tests/inputs/number-format.sql new file mode 100644 index 0000000000..60076a8431 --- /dev/null +++ b/sql/core/src/test/resources/sql-tests/inputs/number-format.sql @@ -0,0 +1,13 @@ +-- Verifies how we parse numbers + +-- parse as ints +select 1, -1; + +-- parse as longs +select 2147483648, -2147483649; + +-- parse as decimals +select 9223372036854775808, -9223372036854775809; + +-- various floating point (decimal) formats +select 0.3, -0.8, .5, -.18, 0.1111; diff --git a/sql/core/src/test/resources/sql-tests/results/number-format.sql.out b/sql/core/src/test/resources/sql-tests/results/number-format.sql.out new file mode 100644 index 0000000000..4b800b7d92 --- /dev/null +++ b/sql/core/src/test/resources/sql-tests/results/number-format.sql.out @@ -0,0 +1,34 @@ +-- Automatically generated by org.apache.spark.sql.SQLQueryTestSuite +-- Number of queries: 4 + + +-- !query 0 +select 1, -1 +-- !query 0 schema +struct<1:int,(-1):int> +-- !query 0 output +1 -1 + + +-- !query 1 +select 2147483648, -2147483649 +-- !query 1 schema +struct<2147483648:bigint,(-2147483649):bigint> +-- !query 1 output +2147483648 -2147483649 + + +-- !query 2 +select 9223372036854775808, -9223372036854775809 +-- !query 2 schema +struct<9223372036854775808:decimal(19,0),(-9223372036854775809):decimal(19,0)> +-- !query 2 output +9223372036854775808 -9223372036854775809 + + +-- !query 3 +select 0.3, -0.8, .5, -.18, 0.1111 +-- !query 3 schema +struct<0.3:decimal(1,1),(-0.8):decimal(1,1),0.5:decimal(1,1),(-0.18):decimal(2,2),0.1111:decimal(4,4)> +-- !query 3 output +0.3 -0.8 0.5 -0.18 0.1111 diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala index 4ba324aa8c..a0130dd48c 100644 --- a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala +++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala @@ -1368,42 +1368,6 @@ class SQLQuerySuite extends QueryTest with SharedSQLContext { ) } - test("Floating point number format") { - checkAnswer( - sql("SELECT 0.3"), Row(BigDecimal(0.3)) - ) - - checkAnswer( - sql("SELECT -0.8"), Row(BigDecimal(-0.8)) - ) - - checkAnswer( - sql("SELECT .5"), Row(BigDecimal(0.5)) - ) - - checkAnswer( - sql("SELECT -.18"), Row(BigDecimal(-0.18)) - ) - } - - test("Auto cast integer type") { - checkAnswer( - sql(s"SELECT ${Int.MaxValue + 1L}"), Row(Int.MaxValue + 1L) - ) - - checkAnswer( - sql(s"SELECT ${Int.MinValue - 1L}"), Row(Int.MinValue - 1L) - ) - - checkAnswer( - sql("SELECT 9223372036854775808"), Row(new java.math.BigDecimal("9223372036854775808")) - ) - - checkAnswer( - sql("SELECT -9223372036854775809"), Row(new java.math.BigDecimal("-9223372036854775809")) - ) - } - test("Test to check we can apply sign to expression") { checkAnswer( diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQueryTestSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQueryTestSuite.scala new file mode 100644 index 0000000000..08b8432d68 --- /dev/null +++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQueryTestSuite.scala @@ -0,0 +1,215 @@ +/* + * 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 + +import java.io.File +import java.util.{Locale, TimeZone} + +import org.apache.spark.sql.catalyst.rules.RuleExecutor +import org.apache.spark.sql.catalyst.util.{fileToString, stringToFile} +import org.apache.spark.sql.test.SharedSQLContext + +/** + * End-to-end test cases for SQL queries. + * + * Each case is loaded from a file in "spark/sql/core/src/test/resources/sql-tests/inputs". + * Each case has a golden result file in "spark/sql/core/src/test/resources/sql-tests/results". + * + * To re-generate golden files, run: + * {{{ + * SPARK_GENERATE_GOLDEN_FILES=1 build/sbt "sql/test-only *SQLQueryTestSuite" + * }}} + * + * The format for input files is simple: + * 1. A list of SQL queries separated by semicolon. + * 2. Lines starting with -- are treated as comments and ignored. + * + * For example: + * {{{ + * -- this is a comment + * select 1, -1; + * select current_date; + * }}} + * + * The format for golden result files look roughly like: + * {{{ + * -- some header information + * + * -- !query 0 + * select 1, -1 + * -- !query 0 schema + * struct<...schema...> + * -- !query 0 output + * ... data row 1 ... + * ... data row 2 ... + * ... + * + * -- !query 1 + * ... + * }}} + */ +class SQLQueryTestSuite extends QueryTest with SharedSQLContext { + + private val regenerateGoldenFiles: Boolean = System.getenv("SPARK_GENERATE_GOLDEN_FILES") == "1" + + private val baseResourcePath = { + // If regenerateGoldenFiles is true, we must be running this in SBT and we use hard-coded + // relative path. Otherwise, we use classloader's getResource to find the location. + if (regenerateGoldenFiles) { + java.nio.file.Paths.get("src", "test", "resources", "sql-tests").toFile + } else { + val res = getClass.getClassLoader.getResource("sql-tests") + new File(res.getFile) + } + } + + private val inputFilePath = new File(baseResourcePath, "inputs").getAbsolutePath + private val goldenFilePath = new File(baseResourcePath, "results").getAbsolutePath + + /** List of test cases to ignore, in lower cases. */ + private val blackList = Set( + "blacklist.sql" // Do NOT remove this one. It is here to test the blacklist functionality. + ) + + // Create all the test cases. + listTestCases().foreach(createScalaTestCase) + + /** A test case. */ + private case class TestCase(name: String, inputFile: String, resultFile: String) + + /** A single SQL query's output. */ + private case class QueryOutput(sql: String, schema: String, output: String) { + def toString(queryIndex: Int): String = { + // We are explicitly not using multi-line string due to stripMargin removing "|" in output. + s"-- !query $queryIndex\n" + + sql + "\n" + + s"-- !query $queryIndex schema\n" + + schema + "\n" + + s"-- !query $queryIndex output\n" + + output + } + } + + private def createScalaTestCase(testCase: TestCase): Unit = { + if (blackList.contains(testCase.name.toLowerCase)) { + // Create a test case to ignore this case. + ignore(testCase.name) { /* Do nothing */ } + } else { + // Create a test case to run this case. + test(testCase.name) { runTest(testCase) } + } + } + + /** Run a test case. */ + private def runTest(testCase: TestCase): Unit = { + val input = fileToString(new File(testCase.inputFile)) + + // List of SQL queries to run + val queries: Seq[String] = { + val cleaned = input.split("\n").filterNot(_.startsWith("--")).mkString("\n") + // note: this is not a robust way to split queries using semicolon, but works for now. + cleaned.split("(?<=[^\\\\]);").map(_.trim).filter(_ != "").toSeq + } + + // Run the SQL queries preparing them for comparison. + val outputs: Seq[QueryOutput] = queries.map { sql => + val df = spark.sql(sql) + // We might need to do some query canonicalization in the future. + QueryOutput( + sql = sql, + schema = df.schema.catalogString, + output = df.queryExecution.hiveResultString().mkString("\n")) + } + + if (regenerateGoldenFiles) { + // Again, we are explicitly not using multi-line string due to stripMargin removing "|". + val goldenOutput = { + s"-- Automatically generated by ${getClass.getName}\n" + + s"-- Number of queries: ${outputs.size}\n\n\n" + + outputs.zipWithIndex.map{case (qr, i) => qr.toString(i)}.mkString("\n\n\n") + "\n" + } + stringToFile(new File(testCase.resultFile), goldenOutput) + } + + // Read back the golden file. + val expectedOutputs: Seq[QueryOutput] = { + val goldenOutput = fileToString(new File(testCase.resultFile)) + val segments = goldenOutput.split("-- !query.+\n") + + // each query has 3 segments, plus the header + assert(segments.size == outputs.size * 3 + 1, + s"Expected ${outputs.size * 3 + 1} blocks in result file but got ${segments.size}. " + + s"Try regenerate the result files.") + Seq.tabulate(outputs.size) { i => + QueryOutput( + sql = segments(i * 3 + 1).trim, + schema = segments(i * 3 + 2).trim, + output = segments(i * 3 + 3).trim + ) + } + } + + // Compare results. + assertResult(expectedOutputs.size, s"Number of queries should be ${expectedOutputs.size}") { + outputs.size + } + + outputs.zip(expectedOutputs).zipWithIndex.foreach { case ((output, expected), i) => + assertResult(expected.sql, s"SQL query should match for query #$i") { output.sql } + assertResult(expected.schema, s"Schema should match for query #$i") { output.schema } + assertResult(expected.output, s"Result should match for query #$i") { output.output } + } + } + + private def listTestCases(): Seq[TestCase] = { + listFilesRecursively(new File(inputFilePath)).map { file => + val resultFile = file.getAbsolutePath.replace(inputFilePath, goldenFilePath) + ".out" + TestCase(file.getName, file.getAbsolutePath, resultFile) + } + } + + /** Returns all the files (not directories) in a directory, recursively. */ + private def listFilesRecursively(path: File): Seq[File] = { + val (dirs, files) = path.listFiles().partition(_.isDirectory) + files ++ dirs.flatMap(listFilesRecursively) + } + + private val originalTimeZone = TimeZone.getDefault + private val originalLocale = Locale.getDefault + + override def beforeAll(): Unit = { + super.beforeAll() + // Timezone is fixed to America/Los_Angeles for those timezone sensitive tests (timestamp_*) + TimeZone.setDefault(TimeZone.getTimeZone("America/Los_Angeles")) + // Add Locale setting + Locale.setDefault(Locale.US) + RuleExecutor.resetTime() + } + + override def afterAll(): Unit = { + try { + TimeZone.setDefault(originalTimeZone) + Locale.setDefault(originalLocale) + + // For debugging dump some statistics about how much time was spent in various optimizer rules + logWarning(RuleExecutor.dumpTimeSpent()) + } finally { + super.afterAll() + } + } +} |