I'd like to test a "withCriteria" closure and am not sure how to go about it. I see how to mock out the withCriteria call, but not test the code within the closure. When running the test that executes the "withCriteria", I keep getting a MissingMethodException, even though the code runs fine under the normal flow of execution. Any ideas? Thanks! Steve
I wouldn't go that route. Instead I'd move the query into the domain class as a static finder method and test it directly in an integration test with real data. Then you can easily mock the helper method when it's called in a controller or service test.
class YourDomainClass {
...
static List<YourDomainClass> findFooBar() {
YourDomainClass.withCriteria {
...
}
}
}
Then in a unit test:
def results = [instance1, instance2, instance3]
YourDomainClass.metaClass.static.findFooBar = { -> results }
This way you test that the query works against the in-memory database in an integration test but it's easy to mock it in unit tests.
Further to Burt's answer, check out named queries as described here:
http://blog.springsource.com/2010/05/24/more-grails-1-3-features/
You can then mock the property/method access in your unit tests as described by Burt.
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