Grails 3 Integration测试中没有transactionManager错误

我创建了一个新的Grails 3.1.4角度项目以及一些扩展了RestfulController域对象和控制器。 我已经在下面创建了集成测试。 当我运行grails test-app -integration ，出现错误

java.lang.IllegalStateException: No transactionManager was specified. Using @Transactional or @Rollback requires a valid configured transaction manager. If you are running in a unit test ensure the test has been properly configured and that you run the test suite not an individual test method.
    at grails.transaction.GrailsTransactionTemplate.<init>(GrailsTransactionTemplate.groovy:60)
    at com.waldoware.invoicer.BillingEntityRestControllerIntegrationSpec.$tt__$spock_feature_0_0(BillingEntityRestControllerIntegrationSpec.groovy:29)
    at com.waldoware.invoicer.BillingEntityRestControllerIntegrationSpec.test all entities_closure2(BillingEntityRestControllerIntegrationSpec.groovy)
    at groovy.lang.Closure.call(Closure.java:426)
    at groovy.lang.Closure.call(Closure.java:442)
    at grails.transaction.GrailsTransactionTemplate$1.doInTransaction(GrailsTransactionTemplate.groovy:70)
    at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)
    at grails.transaction.GrailsTransactionTemplate.executeAndRollback(GrailsTransactionTemplate.groovy:67)
    at com.waldoware.invoicer.BillingEntityRestControllerIntegrationSpec.test all entities(BillingEntityRestControllerIntegrationSpec.groovy)

测试课程：

package com.waldoware.invoicer

import grails.test.mixin.integration.Integration
import grails.transaction.*
import spock.lang.*

@Integration
@Rollback
class BillingEntityRestControllerIntegrationSpec extends Specification {

    def setupData() {
        def biller = new BillingEntity()
        biller.with {
            companyName = "Acme, Inc."
        }
        def ledger = new Ledger(name: "My Ledger", billingEntity: biller).save(failOnError: true, flush: true)
    }

    void 'test all entities'() {
        when:
        setupData()
        new BillingEntityRestController().index()

        then:
        response.contentType == 'application/json;charset=UTF-8'
        response.status == HttpServletResponse.SC_OK
        response.text == "[{}]"
    }
}

我有一个在application.yml设置的数据源：

environments:
    development:
        dataSource:
            dbCreate: none
            url: jdbc:h2:./devDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
    test:
        dataSource:
            dbCreate: update
            url: jdbc:h2:mem:testDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
    production:
        dataSource:
            dbCreate: update
            url: jdbc:h2:./prodDb;MVCC=TRUE;LOCK_TIMEOUT=10000;DB_CLOSE_ON_EXIT=FALSE
            properties:
                jmxEnabled: true
                initialSize: 5
                maxActive: 50
                minIdle: 5
                maxIdle: 25
                maxWait: 10000
                maxAge: 600000
                timeBetweenEvictionRunsMillis: 5000
                minEvictableIdleTimeMillis: 60000
                validationQuery: SELECT 1
                validationQueryTimeout: 3
                validationInterval: 15000
                testOnBorrow: true
                testWhileIdle: true
                testOnReturn: false
                jdbcInterceptors: ConnectionState
                defaultTransactionIsolation: 2 # TRANSACTION_READ_COMMITTED

---

这可以帮助，如果你没有在你的持久性插件中配置build.gradle ，设置了一个事务管理器（例子包括hibernate4 ， mongodb ， neo4j等，或你没有一个dataSource中配置grails-app/conf/application.yml 。

如果是这种情况，只需删除@Rollback注释并解决问题。

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