Adding test cases for grails/grails-core#11056

app1/grails-app/services/functionaltests/ContextLoaderService.groovy

@@ -0,0 +1,18 @@
+package functionaltests
+
+import grails.util.Holders
+
+import org.springframework.context.support.GenericApplicationContext
+import org.springframework.context.support.GenericXmlApplicationContext
+import org.springframework.core.io.Resource
+
+class ContextLoaderService {
+
+ GenericApplicationContext loadContext(Resource appCtxResource) {
+ GenericApplicationContext context = new GenericXmlApplicationContext()
+ context.setParent(Holders.grailsApplication.mainContext)
+ context.load(appCtxResource)
+ context.refresh()
+ context
+ }
+}

app1/src/integration-test/groovy/functionaltests/ContextLoadingSpec.groovy

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+package functionaltests
+
+import grails.core.GrailsApplication
+import grails.gorm.transactions.Rollback
+import grails.test.mixin.integration.Integration
+import grails.util.Holders
+import groovy.util.logging.Slf4j
+
+import org.example.MyBean
+import org.springframework.context.support.GenericApplicationContext
+import org.springframework.core.io.ClassPathResource
+import spock.lang.Specification
+
+@Integration
+@Rollback
+@Slf4j
+class ContextLoadingSpec extends Specification {
+
+ ContextLoaderService contextLoaderService
+
+ void "test managing child app context"() {
+
+ given:
+ ClassPathResource myAppCtx = new ClassPathResource("AppCtx.xml")
+
+ when:
+ GrailsApplication application = Holders.getGrailsApplication()
+
+ then:
+ application != null
+
+ when:
+ GenericApplicationContext context = contextLoaderService.loadContext(myAppCtx)
+ MyBean bean = context.getBean("myBean", MyBean)
+
+ then:
+ bean != null
+ Holders.getGrailsApplication() == application
+
+ when:
+ context.close()
+
+ then:
+ Holders.getGrailsApplication() == application
+
+ }
+}

app1/src/integration-test/resources/AppCtx.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://www.springframework.org/schema/beans
+ http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+ <bean id="myBean" class="org.example.MyBean"/>
+
+</beans>