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Add UAT for TreeTransformerUtil #4037

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Jul 5, 2025
Merged

Add UAT for TreeTransformerUtil #4037

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72 changes: 72 additions & 0 deletions src/test/groovy/graphql/util/TreeTransformerUtilTest.groovy
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package graphql.util

import spock.lang.Specification

class TreeTransformerUtilTest extends Specification {

def "changeNode in parallel mode with already changed node"() {
given:
def context = Mock(TraverserContext)
def zippers = []
def adapter = Mock(NodeAdapter)
def originalNode = "original"
def newNode = "changed"

def mockZipper = Mock(NodeZipper)
mockZipper.getCurNode() >> originalNode
zippers << mockZipper

context.isParallel() >> true
context.isChanged() >> true
context.thisNode() >> originalNode
context.getVar(List) >> zippers
context.getVar(NodeAdapter) >> adapter

when:
def result = TreeTransformerUtil.changeNode(context, newNode)

then:
1 * context.changeNode(newNode)
result == TraversalControl.CONTINUE
}

def "deleteNode in sequential mode adds delete zipper to shared context"() {
given:
def context = Mock(TraverserContext)
def nodeZipper = Mock(NodeZipper)
def zipperQueue = Mock(Queue)

context.isParallel() >> false
context.getVar(NodeZipper) >> nodeZipper
context.getSharedContextData() >> zipperQueue
nodeZipper.deleteNode() >> nodeZipper

when:
def result = TreeTransformerUtil.deleteNode(context)

then:
1 * context.deleteNode()
1 * zipperQueue.add(nodeZipper)
result == TraversalControl.CONTINUE
}

def "insertBefore in sequential mode adds zipper to queue"() {
given:
def context = Mock(TraverserContext)
def zipper = Mock(NodeZipper)
def zipperQueue = Mock(Queue)
def toInsert = "insert-me"

context.isParallel() >> false
context.getVar(NodeZipper) >> zipper
zipper.insertBefore(toInsert) >> zipper
context.getSharedContextData() >> zipperQueue

when:
def result = TreeTransformerUtil.insertBefore(context, toInsert)

then:
1 * zipperQueue.add(zipper)
result == TraversalControl.CONTINUE
}
}