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From Tony Obermeit <yno...@yahoo.com>
Subject RE: Passing command line parameter to ant and reading them from within JUnit
Date Thu, 13 Feb 2003 00:31:44 GMT
I would like to reference the property values passed
on the command line to ant within Junit java code.  Is
this possible?

Tony

--- Doug Brown <dbrown@shadysoft.net> wrote:
>  
> If you invoke ant like this:
> 
>     ant -Dfoo=123
> 
> in your build.xml file you just dereference it as if
> it was already defined.
> 
>     <property name="bar" value="${foo}"/>
> 
> Here's a more complicated example that specifically
> tests to see whether
> something was defined before continuing:
> 
>   <target name="check.foo">
>     <condition property="foo.ok">
>       <isset property="foo"/>
>     </condition>
>     <fail message="The 'foo' property is not set"
> unless="foo.ok"/>
>   </target>
> 
> Then you just make your other targets depend on this
> first. If "foo" isn't
> defined, everything stops and the user gets a
> message. Of course, you can
> also do something like this:
> 
>   <target name="check.isset" if="foo">
>     <echo message="foo is set"/>
>   </target>
>   <target name="check.isnotset" unless="foo">
>     <echo message="foo is not set"/>
>   </target>
>   <target name="check"
> depends="check.isset,check.isnotset"/>
> 
> There's another thing with properties; once they are
> defined, they cannot be
> re-defined. Therefore, you cannot check to see if a
> property is defined and
> if not, define it. But you can get around this in
> two ways:
> 
> 1) Just go ahead and set a property within the
> build.xml file without
> checking whether it was already defined. If the
> property was defined on the
> ccommandline, the commandline value is the one that
> will be used. If it's
> not defined on the commandline, the build.xml
> property definition will win.
> 
> 2) Check to see whether the property was defined and
> use that property to
> set a different property altogether.
> 
> Doug
> 
> -----Original Message-----
> From: Steve [mailto:steven.hawkes@ascom.ch] 
> Sent: Wednesday, February 12, 2003 3:04 PM
> To: ant-user@jakarta.apache.org
> Subject: Passing command line parameter to ant and
> reading them from within
> JUnit
> 
> Hi,
> 
> I know how to pass command line parameters into ANT
> using the -D option.
> But how can I pick up these parameters from within a
> JUnit test script
> Started from within ANT.
> 
> Regards
> 
> Steve
> 
> 
>
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