Make grace-cache-core and grace-plugin-cache works

- Add grace-cache-core and grace-plugin-cache submodules
- Update Gradle build script
- Add grails-plugin.xml
- Add `@TagLib` to `grails-plugin.xml`
- Migrate some JUnit 4 tests to JUnit 5
- Remove demo tests

See gh-1209

Author: rainboyan

grace-cache-core/build.gradle

@@ -1,13 +1,9 @@
 dependencies {
-    api "org.graceframework:grace-datastore-core:$gormVersion"
-    api "org.graceframework:grace-datastore-gorm:$gormVersion", {
+    api project(":grace-core")
+    api libs.spring.aop
+    api libs.spring.context
+    api libs.grace.datastore.core
+    api libs.grace.datastore.gorm, {
         exclude group: 'org.graceframework', module: 'grace-datastore-gorm-validation'
     }
-    api "org.graceframework:grace-core"
-    api "org.graceframework:grace-web-gsp"
-    api "org.springframework.boot:spring-boot-autoconfigure"
-    annotationProcessor "org.springframework.boot:spring-boot-autoconfigure-processor"
-    annotationProcessor "org.springframework.boot:spring-boot-configuration-processor"
-    compileOnly "jakarta.servlet:jakarta.servlet-api"
-    compileOnly "org.graceframework:grace-boot"
 }

grace-plugin-cache/build.gradle

@@ -1,13 +1,15 @@
 dependencies {
-    api "org.graceframework:grace-datastore-core:$gormVersion"
-    api "org.graceframework:grace-datastore-gorm:$gormVersion", {
-        exclude group: 'org.graceframework', module: 'grace-datastore-gorm-validation'
-    }
-    api "org.graceframework:grace-core"
-    api "org.graceframework:grace-web-gsp"
-    api "org.springframework.boot:spring-boot-autoconfigure"
-    annotationProcessor "org.springframework.boot:spring-boot-autoconfigure-processor"
-    annotationProcessor "org.springframework.boot:spring-boot-configuration-processor"
-    compileOnly "jakarta.servlet:jakarta.servlet-api"
-    compileOnly "org.graceframework:grace-boot"
+    api project(":grace-api")
+    api project(":grace-cache-core")
+    api project(":grace-core")
+    implementation project(":grace-web-gsp")
+    implementation project(":grace-web-taglib")
+
+    api libs.spring.boot.autoconfigure
+    annotationProcessor libs.spring.boot.autoconfigureProcessor
+    annotationProcessor libs.spring.boot.configurationProcessor
+    testImplementation project(":grace-test")
+    testImplementation project(":grace-test-support")
+    testImplementation libs.assertj.core
+    testImplementation libs.gpars
 }

grace-plugin-cache/src/main/groovy/grails/plugin/cache/CacheGrailsPlugin.groovy

@@ -15,28 +15,19 @@
  */
 package grails.plugin.cache
 
-import grails.plugins.Plugin
 import groovy.transform.CompileStatic
 
+import grails.plugins.Plugin
+import grails.util.GrailsUtil
+
 @CompileStatic
 class CacheGrailsPlugin extends Plugin {
 
-    def grailsVersion = "2023.0.0 > *"
+    def version = GrailsUtil.getGrailsVersion()
+    def grailsVersion = '2023.0.0 > *'
     def observe = ['controllers', 'services']
     def loadAfter = ['controllers', 'services']
-    def authorEmail = '[email protected]'
     def title = 'Grace Cache Plugin'
     def description = 'Provides AST transformations for caching method calls'
-    def documentation = 'https://github.com/graceframework/grace-cache'
-    def license = 'APACHE'
-    def issueManagement = [system: 'Github', url: 'https://github.com/graceframework/grace-cache/issues']
-    def scm = [url: 'https://github.com/graceframework/grace-cache']
-
-    def pluginExcludes = [
-            'cache/Application',
-            '**/com/demo/**',
-            'grails-app/views/**',
-            '**/*.gsp'
-    ]
 
 }

grace-plugin-cache/src/main/groovy/grails/plugin/cache/CacheTagLib.groovy

@@ -14,6 +14,7 @@
  */
 package grails.plugin.cache
 
+import grails.gsp.TagLib
 import grails.plugin.cache.util.ClassUtils
 import groovy.transform.Memoized
 import groovy.util.logging.Slf4j
@@ -25,6 +26,7 @@ import org.grails.web.servlet.mvc.GrailsWebRequest
 import org.springframework.web.context.request.RequestContextHolder
 
 @Slf4j
+@TagLib
 class CacheTagLib {
 
 

grace-plugin-cache/src/main/resources/META-INF/grails-plugin.xml

@@ -0,0 +1,3 @@
+<plugin name='cache'>
+  <type>grails.plugin.cache.CacheGrailsPlugin</type>
+</plugin>

grace-plugin-cache/src/test/groovy/com/demo/BasicCachingServiceNoCacheManagerSpec.groovy

@@ -15,7 +15,7 @@
 package grails.plugin.cache
 
 import groovyx.gpars.GParsPool
-import org.junit.Test
+import org.junit.jupiter.api.Test
 
 /**
  * @author Jakob Drangmeister

grace-plugin-cache/src/test/groovy/com/demo/BasicCachingServiceSpec.groovy

@@ -16,7 +16,7 @@ package grails.plugin.cache
 
 import org.springframework.cache.support.SimpleValueWrapper
 import org.apache.groovy.util.concurrent.concurrentlinkedhashmap.ConcurrentLinkedHashMap
-import org.junit.Test
+import org.junit.jupiter.api.Test
 
 /**
  * @author Jakob Drangmeister