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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.streaming
import scala.collection.mutable.Queue
import org.openqa.selenium.WebDriver
import org.openqa.selenium.htmlunit.HtmlUnitDriver
import org.scalatest._
import org.scalatest.concurrent.Eventually._
import org.scalatest.selenium.WebBrowser
import org.scalatest.time.SpanSugar._
import org.apache.spark._
import org.apache.spark.ui.SparkUICssErrorHandler
/**
* Selenium tests for the Spark Streaming Web UI.
*/
class UISeleniumSuite
extends SparkFunSuite with WebBrowser with Matchers with BeforeAndAfterAll with TestSuiteBase {
implicit var webDriver: WebDriver = _
override def beforeAll(): Unit = {
super.beforeAll()
webDriver = new HtmlUnitDriver {
getWebClient.setCssErrorHandler(new SparkUICssErrorHandler)
}
}
override def afterAll(): Unit = {
try {
if (webDriver != null) {
webDriver.quit()
}
} finally {
super.afterAll()
}
}
/**
* Create a test SparkStreamingContext with the SparkUI enabled.
*/
private def newSparkStreamingContext(): StreamingContext = {
val conf = new SparkConf()
.setMaster("local")
.setAppName("test")
.set("spark.ui.enabled", "true")
val ssc = new StreamingContext(conf, Seconds(1))
assert(ssc.sc.ui.isDefined, "Spark UI is not started!")
ssc
}
private def setupStreams(ssc: StreamingContext): Unit = {
val rdds = Queue(ssc.sc.parallelize(1 to 4, 4))
val inputStream = ssc.queueStream(rdds)
inputStream.foreachRDD { rdd =>
rdd.foreach(_ => {})
rdd.foreach(_ => {})
}
inputStream.foreachRDD { rdd =>
rdd.foreach(_ => {})
try {
rdd.foreach(_ => throw new RuntimeException("Oops"))
} catch {
case e: SparkException if e.getMessage.contains("Oops") =>
}
}
}
test("attaching and detaching a Streaming tab") {
withStreamingContext(newSparkStreamingContext()) { ssc =>
setupStreams(ssc)
ssc.start()
val sparkUI = ssc.sparkContext.ui.get
eventually(timeout(10 seconds), interval(50 milliseconds)) {
go to (sparkUI.appUIAddress.stripSuffix("/"))
find(cssSelector( """ul li a[href*="streaming"]""")) should not be (None)
}
eventually(timeout(10 seconds), interval(50 milliseconds)) {
// check whether streaming page exists
go to (sparkUI.appUIAddress.stripSuffix("/") + "/streaming")
val h3Text = findAll(cssSelector("h3")).map(_.text).toSeq
h3Text should contain("Streaming Statistics")
// Check stat table
val statTableHeaders = findAll(cssSelector("#stat-table th")).map(_.text).toSeq
statTableHeaders.exists(
_.matches("Timelines \\(Last \\d+ batches, \\d+ active, \\d+ completed\\)")
) should be (true)
statTableHeaders should contain ("Histograms")
val statTableCells = findAll(cssSelector("#stat-table td")).map(_.text).toSeq
statTableCells.exists(_.contains("Input Rate")) should be (true)
statTableCells.exists(_.contains("Scheduling Delay")) should be (true)
statTableCells.exists(_.contains("Processing Time")) should be (true)
statTableCells.exists(_.contains("Total Delay")) should be (true)
// Check batch tables
val h4Text = findAll(cssSelector("h4")).map(_.text).toSeq
h4Text.exists(_.matches("Active Batches \\(\\d+\\)")) should be (true)
h4Text.exists(_.matches("Completed Batches \\(last \\d+ out of \\d+\\)")) should be (true)
findAll(cssSelector("""#active-batches-table th""")).map(_.text).toSeq should be {
List("Batch Time", "Input Size", "Scheduling Delay (?)", "Processing Time (?)",
"Output Ops: Succeeded/Total", "Status")
}
findAll(cssSelector("""#completed-batches-table th""")).map(_.text).toSeq should be {
List("Batch Time", "Input Size", "Scheduling Delay (?)", "Processing Time (?)",
"Total Delay (?)", "Output Ops: Succeeded/Total")
}
val batchLinks =
findAll(cssSelector("""#completed-batches-table a""")).flatMap(_.attribute("href")).toSeq
batchLinks.size should be >= 1
// Check a normal batch page
go to (batchLinks.last) // Last should be the first batch, so it will have some jobs
val summaryText = findAll(cssSelector("li strong")).map(_.text).toSeq
summaryText should contain ("Batch Duration:")
summaryText should contain ("Input data size:")
summaryText should contain ("Scheduling delay:")
summaryText should contain ("Processing time:")
summaryText should contain ("Total delay:")
findAll(cssSelector("""#batch-job-table th""")).map(_.text).toSeq should be {
List("Output Op Id", "Description", "Output Op Duration", "Status", "Job Id",
"Job Duration", "Stages: Succeeded/Total", "Tasks (for all stages): Succeeded/Total",
"Error")
}
// Check we have 2 output op ids
val outputOpIds = findAll(cssSelector(".output-op-id-cell")).toSeq
outputOpIds.map(_.attribute("rowspan")) should be (List(Some("2"), Some("2")))
outputOpIds.map(_.text) should be (List("0", "1"))
// Check job ids
val jobIdCells = findAll(cssSelector( """#batch-job-table a""")).toSeq
jobIdCells.map(_.text) should be (List("0", "1", "2", "3"))
val jobLinks = jobIdCells.flatMap(_.attribute("href"))
jobLinks.size should be (4)
// Check stage progress
findAll(cssSelector(""".stage-progress-cell""")).map(_.text).toList should be (
List("1/1", "1/1", "1/1", "0/1 (1 failed)"))
// Check job progress
findAll(cssSelector(""".progress-cell""")).map(_.text).toList should be (
List("4/4", "4/4", "4/4", "0/4 (1 failed)"))
// Check stacktrace
val errorCells = findAll(cssSelector(""".stacktrace-details""")).map(_.underlying).toSeq
errorCells should have size 1
// Can't get the inner (invisible) text without running JS
// Check the job link in the batch page is right
go to (jobLinks(0))
val jobDetails = findAll(cssSelector("li strong")).map(_.text).toSeq
jobDetails should contain("Status:")
jobDetails should contain("Completed Stages:")
// Check a batch page without id
go to (sparkUI.appUIAddress.stripSuffix("/") + "/streaming/batch/")
webDriver.getPageSource should include ("Missing id parameter")
// Check a non-exist batch
go to (sparkUI.appUIAddress.stripSuffix("/") + "/streaming/batch/?id=12345")
webDriver.getPageSource should include ("does not exist")
}
ssc.stop(false)
eventually(timeout(10 seconds), interval(50 milliseconds)) {
go to (sparkUI.appUIAddress.stripSuffix("/"))
find(cssSelector( """ul li a[href*="streaming"]""")) should be(None)
}
eventually(timeout(10 seconds), interval(50 milliseconds)) {
go to (sparkUI.appUIAddress.stripSuffix("/") + "/streaming")
val h3Text = findAll(cssSelector("h3")).map(_.text).toSeq
h3Text should not contain("Streaming Statistics")
}
}
}
}
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