On Thu, 14 Apr 2005, Paul King <[EMAIL PROTECTED]> wrote:
> It would seem reasonable to be able to write tests productively use
> ant build files.
Its main purpose should be to test Ant or Ant tasks. It would be easy
to rewrite larger parts of Ant's own JUnit tests that way - almost
every Unit test that extends BuildFileTest, at least that's the idea.
Looking into the test for the available task, there are things like
// file doesn't exist -> property 'test' == null
public void test4() {
executeTarget("test4");
assertTrue(project.getProperty("test") == null);
}
// file does exist -> property 'test' == 'true'
public void test5() {
executeTarget("test5");
assertEquals("true", project.getProperty("test"));
}
with
<target name="test4">
<available property="test"
file="src/etc/testcases/taskdefs/this_file_does_not_exist"/>
</target>
<target name="test5">
<available property="test"
file="available.xml"/>
</target>
This would then simply become a build file looking like
<target name="test4">
<available property="test"
file="src/etc/testcases/taskdefs/this_file_does_not_exist"/>
<au:assertPropertyNotSet name="test"/>
</target>
<target name="test5">
<available property="test"
file="available.xml"/>
<au:assertPropertyEquals name="test" value="true"/>
</target>
and no Java code at all.
> I am not sure how directly tied to ant (vs testing any java program)
> you would need to make it to be worthwhile. I would hope that it
> could be more generic.
Quite possibly so, even though I don't see any direct impact. Things
like testing the external results of a java application would be
trivial:
<java classname="...">
<au:assertFileExists ...>
if you want to assert that a certain appliaction creates a file, but
Ant probably is a bit limited here, since it couldn't test at the
method level.
It may be useful as a functional test environment rather than unit
tests, which may lead us to pick a different name.
> You might want to have a look at webtest (webtest.canoo.com).
I know it (I even provided a patch to make it work with Ant 1.6 ;-).
> It is designed for testing web applications but might be
> a fruitful source of ideas.
True, I'll have a second look at it.
Stefan
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