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httpunit: WebForm submitting not working

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posted 12 years ago

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myForm.html

In firefox, I can exectue "http://XXXXXXXXXXXXXX:8080/myapp/INTEGRATIONSERVLETTEST/INTEGRATIONSERVLETTEST?foo=hello&bar=world&action=TESTACTION" All looks ok, I get the response back that I expect.
output from hitting action

my unit test:

stack trace

<testcase classname="com.foo.apps.test.integration.IntegrationServletTest" name="testRunConfigurationScript" time="138.083">
    <error type="java.lang.NullPointerException">java.lang.NullPointerException
	at com.meterware.httpunit.protocol.MimeEncodedMessageBody$MimeEncoding.fixLineEndings(MimeEncodedMessageBody.java:113)
	at com.meterware.httpunit.protocol.MimeEncodedMessageBody$MimeEncoding.addParameter(MimeEncodedMessageBody.java:104)
	at com.meterware.httpunit.TextFormControl.addValues(FormControl.java:745)
	at com.meterware.httpunit.WebForm.recordParameters(WebForm.java:604)
	at com.meterware.httpunit.protocol.MimeEncodedMessageBody.writeTo(MimeEncodedMessageBody.java:51)
	at com.meterware.httpunit.MessageBodyWebRequest.writeMessageBody(MessageBodyWebRequest.java:107)
	at com.meterware.httpunit.MessageBodyWebRequest.completeRequest(MessageBodyWebRequest.java:120)
	at com.meterware.httpunit.WebConversation.newResponse(WebConversation.java:82)
	at com.meterware.httpunit.WebClient.createResponse(WebClient.java:647)
	at com.meterware.httpunit.WebWindow.getResource(WebWindow.java:220)
	at com.meterware.httpunit.WebWindow.getSubframeResponse(WebWindow.java:181)
	at com.meterware.httpunit.WebWindow.getResponse(WebWindow.java:158)
	at com.meterware.httpunit.WebWindow.sendRequest(WebWindow.java:134)
	at com.meterware.httpunit.WebRequestSource.submitRequest(WebRequestSource.java:297)
	at com.meterware.httpunit.WebRequestSource.submitRequest(WebRequestSource.java:253)
	at com.meterware.httpunit.WebForm.submitRequest(WebForm.java:127)
	at com.meterware.httpunit.WebForm.doFormSubmit(WebForm.java:143)
	at com.meterware.httpunit.SubmitButton.doButtonAction(SubmitButton.java:69)
	at com.meterware.httpunit.Button.doOnClickSequence(Button.java:91)
	at com.meterware.httpunit.WebForm.submit(WebForm.java:107)
	at com.meterware.httpunit.WebForm.submit(WebForm.java:93)
	at com.meterware.httpunit.WebForm.submit(WebForm.java:82)
	at com.foo.apps.test.integration.IntegrationServletTest.testRunConfigurationScript(IntegrationServletTest.java:699)
	at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
	at junit.extensions.TestSetup$1.protect(TestSetup.java:23)
	at junit.extensions.TestSetup.run(TestSetup.java:27)

my tcpip monitor is showing that I am pulling myForm.html When I run the unitest.

When I add debug statements for any param they show up correctly.

my ethernet sniffer shows no request to myapp/INTEGRATIONSERVLETTEST/INTEGRATIONSERVLETTEST

I get a null pointer exception at the testform.submit().

My reading of the WebForm api is that WebForm.submit() will submit the form to the server at the address in the form action attribute. Any idea what I am doing wrong???

CIAO Peter M. Cooke

peter cooke

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posted 12 years ago

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The test started working when I put in values for all html inputs.
So if I have a html form and it does not require all inputs to have data. Why does httpunit?
Is there somehting wrong with the form or my testcode that says "yes I know the form does not have values for all input. submit it anyways"

CIAO Peter M. Cooke

Siitesh Hind

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posted 12 years ago

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Can you assign some default values for some_param and another_param in the html and test?

peter cooke

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posted 12 years ago

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the business requirements say that some_param and another_param are completely optional. If user does not put anything in then ... put null in db.

CIAO Peter M. Cooke

Ulf Dittmer

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posted 12 years ago

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Even if the user doesn't enter anything into those fields, they are still being transmitted.

peter cooke

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posted 12 years ago

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HMMMM my ethernet sniffer confirms that unless my form has all of it's input elements populated it will not go accross the wire.

If I have assignments for both everything works and I see the request/response in my ethernet sniffer.

I remove the assignment of the value from either "some_param" or "another_param" my ethernet sniffer does NOT detect the request from the submit, and submit fails with a null pointer exeception in
com.meterware.httpunit.protocol.MimeEncodedMessageBody$MimeEncoding.fixLineEndings(MimeEncodedMessageBody.java:113)

CIAO Peter M. Cooke

Siitesh Hind

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posted 12 years ago

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Agree with Ulf that you are passing Null values in these 2 fields which may be the source of the exception.

I dont see any other reason for throwing this NullPointerException

Don't get me started about those stupid light bulbs.