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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.application.container.jersey
import java.nio.file.{Files, Path, Paths}
import javax.ws.rs.core.UriBuilder
import com.yahoo.application.Networking
import com.yahoo.application.container.JDiscTest._
import com.yahoo.container.test.jars.jersey.resources.TestResourceBase
import com.yahoo.container.test.jars.jersey.{resources => jarResources}
import com.yahoo.osgi.maven.ProjectBundleClassPaths
import com.yahoo.osgi.maven.ProjectBundleClassPaths.BundleClasspathMapping
import org.apache.http.HttpResponse
import org.apache.http.client.methods.HttpGet
import org.apache.http.impl.client.HttpClientBuilder
import org.apache.http.util.EntityUtils
import org.hamcrest.CoreMatchers.is
import org.junit.Assert._
import org.junit.Test
import scala.collection.JavaConverters._
import scala.io.Source
/**
* @author tonytv
*/
class JerseyTest {
type TestResourceClass = Class[_ <: TestResourceBase]
val testJar = Paths.get("target/test-jars/jersey-resources.jar")
val testClassesDirectory = "target/test-classes"
val bundleSymbolicName = "myBundle"
val classPathResources = Set(
classOf[resources.TestResource],
classOf[resources.nestedpackage1.NestedTestResource1],
classOf[resources.nestedpackage2.NestedTestResource2])
val jarFileResources = Set(
classOf[jarResources.TestResource],
classOf[com.yahoo.container.test.jars.jersey.resources.nestedpackage1.NestedTestResource1],
classOf[com.yahoo.container.test.jars.jersey.resources.nestedpackage2.NestedTestResource2])
@Test
def jersey_resources_on_classpath_can_be_invoked_from_application(): Unit = {
saveMainBundleClassPathMappings(testClassesDirectory)
with_jersey_resources() { httpGetter =>
assertResourcesResponds(classPathResources, httpGetter)
}
}
@Test
def jersey_resources_in_provided_dependencies_can_be_invoked_from_application(): Unit = {
val providedDependency = new BundleClasspathMapping(bundleSymbolicName, List(testClassesDirectory).asJava)
save(new ProjectBundleClassPaths(
new BundleClasspathMapping("main", List().asJava),
List(providedDependency).asJava))
with_jersey_resources() { httpGetter =>
assertResourcesResponds(classPathResources, httpGetter)
}
}
@Test
def jersey_resource_on_classpath_can_be_filtered_using_packages(): Unit = {
saveMainBundleClassPathMappings(testClassesDirectory)
with_jersey_resources(
packagesToScan = List(
"com.yahoo.application.container.jersey.resources",
"com.yahoo.application.container.jersey.resources.nestedpackage1"))
{ httpGetter =>
val nestedResource2 = classOf[resources.nestedpackage2.NestedTestResource2]
assertDoesNotRespond(nestedResource2, httpGetter)
assertResourcesResponds(classPathResources - nestedResource2, httpGetter)
}
}
@Test
def jersey_resource_in_jar_can_be_invoked_from_application(): Unit = {
saveMainBundleJarClassPathMappings(testJar)
with_jersey_resources() { httpGetter =>
assertResourcesResponds(jarFileResources, httpGetter)
}
}
@Test
def jersey_resource_in_jar_can_be_filtered_using_packages(): Unit = {
saveMainBundleJarClassPathMappings(testJar)
with_jersey_resources(
packagesToScan = List(
"com.yahoo.container.test.jars.jersey.resources",
"com.yahoo.container.test.jars.jersey.resources.nestedpackage1"))
{ httpGetter =>
val nestedResource2 = classOf[com.yahoo.container.test.jars.jersey.resources.nestedpackage2.NestedTestResource2]
assertDoesNotRespond(nestedResource2, httpGetter)
assertResourcesResponds(jarFileResources - nestedResource2, httpGetter)
}
}
def with_jersey_resources(packagesToScan: List[String] = List())( f: HttpGetter => Unit): Unit = {
val packageElements = packagesToScan.map { p => <package>{p}</package>}
using(fromServicesXml(
<services>
<jdisc version="1.0" id="default" jetty="true">
<rest-api path="rest-api" jersey2="true">
<components bundle={bundleSymbolicName}>
{ packageElements }
</components>
</rest-api>
<http>
<server id="mainServer" port="0" />
</http>
</jdisc>
</services>,
Networking.enable)) { jdisc =>
def httpGetter(path: HttpPath) = {
val client = HttpClientBuilder.create().build()
client.execute(new HttpGet(s"http://localhost:$getListenPort/rest-api/${path.stripPrefix("/")}"))
}
f(httpGetter)
}
}
def assertResourcesResponds(resourceClasses: Traversable[TestResourceClass], httpGetter: HttpGetter): Unit = {
for (resource <- resourceClasses) {
val response = httpGetter(path(resource))
assertThat(s"Failed sending response to $resource", response.getStatusLine.getStatusCode, is(200))
val content = Source.fromInputStream(response.getEntity.getContent).mkString
assertThat(content, is(TestResourceBase.content(resource)))
}
}
def assertDoesNotRespond(resourceClass: TestResourceClass, httpGetter: HttpGetter): Unit = {
val response = httpGetter(path(resourceClass))
assertThat(response.getStatusLine.getStatusCode, is(404))
EntityUtils.consume(response.getEntity)
}
def saveMainBundleJarClassPathMappings(jarFile: Path): Unit = {
assertTrue(s"Couldn't find file $jarFile, please remember to run mvn process-test-resources first.", Files.isRegularFile(jarFile))
saveMainBundleClassPathMappings(jarFile.toAbsolutePath.toString)
}
def saveMainBundleClassPathMappings(classPathElement: String): Unit = {
val mainBundleClassPathMappings = new BundleClasspathMapping(bundleSymbolicName, List(classPathElement).asJava)
save(new ProjectBundleClassPaths(mainBundleClassPathMappings, List().asJava))
}
def save(projectBundleClassPaths: ProjectBundleClassPaths): Unit = {
val path = Paths.get(testClassesDirectory).resolve(ProjectBundleClassPaths.CLASSPATH_MAPPINGS_FILENAME)
ProjectBundleClassPaths.save(path, projectBundleClassPaths)
}
def path(resourceClass: TestResourceClass) = {
UriBuilder.fromResource(resourceClass).build().toString
}
type HttpPath = String
type HttpGetter = HttpPath => HttpResponse
}
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