Add springSnapshotTest

Fixes gh-419

build.gradle

@@ -22,6 +22,7 @@ ext.MAVEN_DEPLOYMENT_SCRIPT = "${GRADLE_SCRIPT_DIR}/maven-deployment.gradle"
 ext.JAVA_SCRIPT = "${GRADLE_SCRIPT_DIR}/java.gradle"
 ext.RELEASE_CHECKS_SCRIPT = "${GRADLE_SCRIPT_DIR}/release-checks.gradle"
 ext.SAMPLE_WAR_GRADLE = "${GRADLE_SCRIPT_DIR}/sample-war.gradle"
+ext.SPRING_SNAPSHOT_TEST_SCRIPT = "${GRADLE_SCRIPT_DIR}/spring-snapshot-test.gradle"
 
 ext.coreModules = subprojects.findAll { p-> (!p.name.contains("test") && !p.name.contains("sample") && !p.name.contains("sandbox")) || p.name == "spring-ldap-test" }
 

gradle/java-module.gradle

@@ -1,6 +1,7 @@
 apply from: JAVA_SCRIPT
 apply from: MAVEN_DEPLOYMENT_SCRIPT
 apply from: RELEASE_CHECKS_SCRIPT
+apply from: SPRING_SNAPSHOT_TEST_SCRIPT
 apply plugin: 'spring-io'
 
 ext.springIoVersion = project.hasProperty('platformVersion') ? platformVersion : 'Athens-BUILD-SNAPSHOT'

gradle/spring-snapshot-test.gradle

@@ -0,0 +1,24 @@
+configurations {
+	springSnapshotTestRuntime.extendsFrom testRuntime
+}
+
+
+configurations.springSnapshotTestRuntime {
+	resolutionStrategy.eachDependency { DependencyResolveDetails details ->
+		if (details.requested.group == 'org.springframework') {
+			details.useVersion project.hasProperty('springSnapshotVersion') ? springSnapshotVersion : 'latest.integration'
+		}
+	}
+}
+
+task springSnapshotTest(type: Test) {
+	jvmArgs = ['-ea', '-Xmx500m', '-XX:MaxPermSize=128M']
+	classpath = sourceSets.test.output + sourceSets.main.output + configurations.springSnapshotTestRuntime
+	reports {
+		html.destination = project.file("$buildDir/spring-snapshot-test-results/")
+		junitXml.destination = project.file("$buildDir/reports/spring-snapshot-tests/")
+	}
+	doFirst {
+		project.springSnapshotTest.excludes = project.test.excludes
+	}
+}