The data driven test is failing due to “Unable to verify element property value (Root cause: java.lang.NullPointerException: Cannot invoke method getAt() on null object)”. Couldn’t identify where am I going wrong, any thoughts please ?
For reference, I was following the video below to create the data driven testing.
Here is my test case -
Test Case :
import static com.kms.katalon.core.checkpoint.CheckpointFactory.findCheckpoint
import static com.kms.katalon.core.testcase.TestCaseFactory.findTestCase
import static com.kms.katalon.core.testdata.TestDataFactory.findTestData
import static com.kms.katalon.core.testobject.ObjectRepository.findTestObject
import com.kms.katalon.core.checkpoint.Checkpoint as Checkpoint
import com.kms.katalon.core.cucumber.keyword.CucumberBuiltinKeywords as CucumberKW
import com.kms.katalon.core.mobile.keyword.MobileBuiltInKeywords as Mobile
import com.kms.katalon.core.model.FailureHandling as FailureHandling
import com.kms.katalon.core.testcase.TestCase as TestCase
import com.kms.katalon.core.testdata.TestData as TestData
import com.kms.katalon.core.testobject.TestObject as TestObject
import com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords as WS
import com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords as WebUI
import internal.GlobalVariable as GlobalVariable
verifyElementPropertyValue(response, “results[0].queries.getinfo.cats[0].catid”, category) FAILED.
Reason:
com.kms.katalon.core.exception.StepFailedException: Unable to verify element property value (Root cause: java.lang.NullPointerException: Cannot invoke method getAt() on null object)
at com.kms.katalon.core.keyword.internal.KeywordMain.stepFailed(KeywordMain.groovy:32)
at com.kms.katalon.core.keyword.internal.KeywordMain.stepFailed(KeywordMain.groovy)
at com.kms.katalon.core.keyword.internal.KeywordMain.runKeyword(KeywordMain.groovy:56)
at com.kms.katalon.core.webservice.keyword.builtin.VerifyElementPropertyValueKeyword.verifyElementPropertyValue(VerifyElementPropertyValueKeyword.groovy:48)
at com.kms.katalon.core.webservice.keyword.builtin.VerifyElementPropertyValueKeyword.execute(VerifyElementPropertyValueKeyword.groovy:43)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:53)
at com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords.verifyElementPropertyValue(WSBuiltInKeywords.groovy:123)
at com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords$verifyElementPropertyValue$0.call(Unknown Source)
at CCRefresh-UrlGetInfo.run(CCRefresh-UrlGetInfo:22)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:319)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:298)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:290)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:224)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestCaseMainPhase(TestSuiteExecutor.java:129)
at com.kms.katalon.core.main.TestSuiteExecutor.accessTestSuiteMainPhase(TestSuiteExecutor.java:112)
at com.kms.katalon.core.main.TestSuiteExecutor.execute(TestSuiteExecutor.java:81)
at com.kms.katalon.core.main.TestCaseMain.startTestSuite(TestCaseMain.java:149)
at com.kms.katalon.core.main.TestCaseMain$startTestSuite$0.call(Unknown Source)
at TempTestSuite1547248382454.run(TempTestSuite1547248382454.groovy:36)
Attached is the screen capture for the variables defined for the test case.
01-16-2019 11:04:33 AM verifyElementPropertyValue(response, “queries.getinfo.cats[0].catid”, category)
Elapsed time: 0.312s
Unable to verify element property value (Root cause: java.lang.NullPointerException: Cannot get property ‘getinfo’ on null object)
(Root cause: java.lang.NullPointerException: Cannot get property ‘getinfo’ on null object)
at com.kms.katalon.core.keyword.internal.KeywordMain.stepFailed(KeywordMain.groovy:32)
at com.kms.katalon.core.keyword.internal.KeywordMain.stepFailed(KeywordMain.groovy)
at com.kms.katalon.core.keyword.internal.KeywordMain.runKeyword(KeywordMain.groovy:56)
at com.kms.katalon.core.webservice.keyword.builtin.VerifyElementPropertyValueKeyword.verifyElementPropertyValue(VerifyElementPropertyValueKeyword.groovy:48)
at com.kms.katalon.core.webservice.keyword.builtin.VerifyElementPropertyValueKeyword.execute(VerifyElementPropertyValueKeyword.groovy:43)
at com.kms.katalon.core.keyword.internal.KeywordExecutor.executeKeywordForPlatform(KeywordExecutor.groovy:53)
at com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords.verifyElementPropertyValue(WSBuiltInKeywords.groovy:123)
at com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords$verifyElementPropertyValue$0.call(Unknown Source)
at ProofOfConcept.run(ProofOfConcept:19)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:319)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:298)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:290)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:224)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:106)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:97)
at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
at TempTestCase1547661861376.run(TempTestCase1547661861376.groovy:22)
println("getContentType: " + response.getContentType()) FAILED.
Reason:
groovy.lang.MissingPropertyException: No such property: response for class: Script1547660508279
at ProofOfConcept.run(ProofOfConcept:17)
at com.kms.katalon.core.main.ScriptEngine.run(ScriptEngine.java:194)
at com.kms.katalon.core.main.ScriptEngine.runScriptAsRawText(ScriptEngine.java:119)
at com.kms.katalon.core.main.TestCaseExecutor.runScript(TestCaseExecutor.java:328)
at com.kms.katalon.core.main.TestCaseExecutor.doExecute(TestCaseExecutor.java:319)
at com.kms.katalon.core.main.TestCaseExecutor.processExecutionPhase(TestCaseExecutor.java:298)
at com.kms.katalon.core.main.TestCaseExecutor.accessMainPhase(TestCaseExecutor.java:290)
at com.kms.katalon.core.main.TestCaseExecutor.execute(TestCaseExecutor.java:224)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:106)
at com.kms.katalon.core.main.TestCaseMain.runTestCase(TestCaseMain.java:97)
at com.kms.katalon.core.main.TestCaseMain$runTestCase$0.call(Unknown Source)
at TempTestCase1547691093050.run(TempTestCase1547691093050.groovy:22)
import static com.kms.katalon.core.checkpoint.CheckpointFactory.findCheckpoint
import static com.kms.katalon.core.testcase.TestCaseFactory.findTestCase
import static com.kms.katalon.core.testdata.TestDataFactory.findTestData
import static com.kms.katalon.core.testobject.ObjectRepository.findTestObject
import com.kms.katalon.core.checkpoint.Checkpoint as Checkpoint
import com.kms.katalon.core.cucumber.keyword.CucumberBuiltinKeywords as CucumberKW
import com.kms.katalon.core.mobile.keyword.MobileBuiltInKeywords as Mobile
import com.kms.katalon.core.model.FailureHandling as FailureHandling
import com.kms.katalon.core.testcase.TestCase as TestCase
import com.kms.katalon.core.testdata.TestData as TestData
import com.kms.katalon.core.testobject.TestObject as TestObject
import com.kms.katalon.core.webservice.keyword.WSBuiltInKeywords as WS
import com.kms.katalon.core.webui.keyword.WebUiBuiltInKeywords as WebUI
import internal.GlobalVariable as GlobalVariable
Here you are passing an instance of java.util.List as the 2nd param. This is wrong. As document describes, the 2nd and the 3rd argument to the verifyElementPropertyValue should be String.