groovy.mock.interceptor.StrictExpectation.groovy Maven / Gradle / Ivy
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package groovy.mock.interceptor
import junit.framework.AssertionFailedError
import org.codehaus.groovy.runtime.DefaultGroovyMethods
/**
* Expects demanded call cardinalities to match demanded ranges in the sequence of recording.
*
* @see LooseExpectation
*/
class StrictExpectation {
Demand fDemand = null
int fCallSpecIdx = 0
List fCalls = []
StrictExpectation(Demand demand) {
fDemand = demand
}
/**
* Match the requested method name against eligible demands.
* Fail early if no match possible.
* Return the demand's behavior closure on match.
* Also skips over names matching ignore filter, if any.
*/
Closure match(String name) {
def filter = fDemand.ignore.keySet().find{ DefaultGroovyMethods.grep([name], it) }
if (filter) return fDemand.ignore.get(filter)
if (!fCalls[fCallSpecIdx]) fCalls[fCallSpecIdx] = 0
if (fCallSpecIdx >= fDemand.recorded.size()) {
throw new AssertionFailedError("No more calls to '$name' expected at this point. End of demands.")
}
def call = fDemand.recorded[fCallSpecIdx]
if (name != call.name) { // if name does not match...
def open = call.range.from - fCalls[fCallSpecIdx]
if ( open > 0) { // ... if we haven't reached the minimum, yet -> Exception
throw new AssertionFailedError("No call to '$name' expected at this point. "+
"Still $open call(s) to '${call.name}' expected.")
} else { // ... proceed finding
fCallSpecIdx++
return match(name)
}
}
// register the call
fCalls[fCallSpecIdx] += 1
// store the behavior for returning
def result = call.behavior
// proceed to next callSpec if we need to
if (fCalls[fCallSpecIdx] >= call.range.to ) fCallSpecIdx++
return result
}
/** verify all calls are in expected range */
void verify() {
fDemand.verify(fCalls)
}
}