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package parallelai.spyglass.jdbc.testing
import org.apache.log4j.Level
import org.apache.log4j.LogManager
import org.apache.log4j.Logger
import com.twitter.scalding.Args
import com.twitter.scalding.IterableSource
import com.twitter.scalding.Tsv
import cascading.pipe.Pipe
import cascading.tuple.Fields
import parallelai.spyglass.base.JobBase
import parallelai.spyglass.jdbc.JDBCSource
/**
* This integration-test expects some Jdbc table to exist
* with specific data - see GenerateTestingHTables.java
*/
// https://github.com/twitter/scalding/blob/develop/scalding-core/src/test/scala/com/twitter/scalding/BlockJoinTest.scala
class JdbcSourceShouldReadWrite (args: Args) extends JobBase(args) {
// Initiate logger
private val LOG: Logger = LogManager.getLogger(this.getClass)
// Set to Level.DEBUG if --debug is passed in
val isDebug:Boolean = args.getOrElse("debug", "false").toBoolean
if (isDebug) {
LOG.setLevel(Level.DEBUG)
LOG.info("Setting logging to Level.DEBUG")
}
val url = "mysql01.domain"
val dbName = "db"
val tableName = "table"
val jdbcSourceRead = new JDBCSource(
"TABLE_01",
"com.mysql.jdbc.Driver",
"jdbc:mysql://localhost:3306/db?zeroDateTimeBehavior=convertToNull",
"root",
"password",
List("ID", "TEST_COLUMN1", "TEST_COLUMN2", "TEST_COLUMN3"),
List("bigint(20)", "varchar(45)", "varchar(45)", "bigint(20)"),
List("id"),
new Fields("key", "column1", "column2", "column3"),
null, null, null
)
val jdbcSourceWrite = new JDBCSource(
"TABLE_01",
"com.mysql.jdbc.Driver",
"jdbc:mysql://localhost:3306/db?zeroDateTimeBehavior=convertToNull",
"root",
"password",
List("ID", "TEST_COLUMN1", "TEST_COLUMN2", "TEST_COLUMN3"),
List("bigint(20)", "varchar(45)", "varchar(45)", "bigint(20)"),
List("id"),
new Fields("key", "column1", "column2", "column3"),
null, null, null
)
// -----------------------------
// ----- Tests for TABLE_01 ----
// -----------------------------
val TABLE_01_SCHEMA = List('key,'column1, 'column2, 'column3)
val tableName1 = "TABLE_01"
// -------------------- Test 01 --------------------
var testName01 = "Select_Test_Read_Count"
println("---- Running : " + testName01)
// Get everything from HBase testing table into a Pipe
val jdbc01 = jdbcSourceRead
.read
.groupAll { group =>
group.toList[String]('key -> 'key)
group.toList[String]('column1 -> 'column1)
group.toList[String]('column2 -> 'column2)
group.toList[String]('column3 -> 'column3)
}
.mapTo(('key, 'column1, 'column2, 'column3) -> 'jdbcdata) { x:(String,String,String,String) =>
x._1 + " " + x._2 + " " + x._3 + " " + x._4
}
// Calculate expected result for Test 01
var list01 = List(("1", "A", "X", "123"), ("2", "B", "Y", "234"), ("3", "C", "Z", "345"))
// -------------------- Test 02 --------------------
val testName02 = "Select_Test_Read_Insert_Updated_Count"
println("---- Running : " + testName02)
// Get everything from JDBC testing table into a Pipe
val jdbcSourceReadUpdated = new JDBCSource(
"TABLE_02",
"com.mysql.jdbc.Driver",
"jdbc:mysql://localhost:3306/db?zeroDateTimeBehavior=convertToNull",
"root",
"password",
List("ID", "TEST_COLUMN1", "TEST_COLUMN2", "TEST_COLUMN3"),
List("bigint(20)", "varchar(45)", "varchar(45)", "bigint(20)"),
List("id"),
new Fields("key", "column1", "column2", "column3"),
null, null, null
)
val jdbc02 = jdbcSourceReadUpdated
.read
.groupAll { group =>
group.toList[String]('key -> 'key)
group.toList[String]('column1 -> 'column1)
group.toList[String]('column2 -> 'column2)
group.toList[String]('column3 -> 'column3)
}
.mapTo(('key, 'column1, 'column2, 'column3) -> 'jdbcdata) { x:(String,String,String,String) =>
x._1 + " " + x._2 + " " + x._3 + " " + x._4
}
// Calculate expected result for Test 02
var list02 = List(("1", "A", "X", "123"), ("2", "B", "Y", "234"), ("3", "C", "Z", "345"))
// Store results of Scan Test 01
(
getTestResultPipe(getExpectedPipe(list01), jdbc01, testName01) ++
getTestResultPipe(getExpectedPipe(list02), jdbc02, testName02)
).groupAll { group =>
group.sortBy('testName)
}
.write(Tsv("JdbcShouldRead"))
/**
* We assume the pipe is empty
*
* We concatenate with a header - if the resulting size is 1
* then the original size was 0 - then the pipe was empty :)
*
* The result is then returned in a Pipe
*/
def assertPipeIsEmpty ( jdbcPipe : Pipe , testName:String) : Pipe = {
val headerPipe = IterableSource(List(testName), 'jdbcdata)
val concatenation = ( jdbcPipe ++ headerPipe ).groupAll{ group =>
group.size('size)
}
.project('size)
val result =
concatenation
.mapTo('size -> ('testName, 'result, 'expecteddata, 'jdbcdata)) { x:String => {
if (x == "1") {
(testName, "Success", "", "")
} else {
(testName, "Test Failed", "", "")
}
}
}
result
}
/**
* Methods receives 2 pipes - and projects the results of testing
*
* expectedPipe should have a column 'expecteddata
* realJdbcPipe should have a column 'jdbcdata
*/
def getTestResultPipe ( expectedPipe:Pipe , realJdbcPipe:Pipe, testName: String ): Pipe = {
val results = expectedPipe.insert('testName , testName)
.joinWithTiny('testName -> 'testName, realJdbcPipe.insert('testName , testName))
.map(('expecteddata, 'jdbcdata)->'result) { x:(String,String) =>
//println(x._1 + " === " + x._2)
if (x._1.equals(x._2))
"Success"
else
"Test Failed"
}
.project('testName, 'result, 'expecteddata, 'jdbcdata)
results
}
/**
*
*/
def getExpectedPipe ( expectedList: List[(String,String,String,String)]) : Pipe = {
val expectedPipe =
IterableSource(expectedList, TABLE_01_SCHEMA)
.groupAll { group =>
group.toList[String]('key -> 'key)
group.toList[String]('column1 -> 'column1)
group.toList[String]('column2 -> 'column2)
group.toList[String]('column3 -> 'column3)
}
.mapTo(('*) -> 'expecteddata) { x:(String,String,String,String) =>
x._1 + " " + x._2 + " " + x._3 + " " + x._4
}
expectedPipe
}
}
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