Add scripted tests for resources

In sbt 1.3.0-RC1, when the dependency layers are used, the dependencies
cannot see the project resources. This can be problematic when the
library requires certain files like logback.xml to work. This introduces
a scripted test for this case.

The next commit should fix this test.

sbt/src/sbt-test/classloader-cache/resources/build.sbt

@@ -0,0 +1,5 @@
+resolvers += "Local Maven" at (baseDirectory.value / "libraries" / "foo" / "ivy").toURI.toURL.toString
+
+libraryDependencies += "sbt" %% "foo-lib" % "0.1.0"
+
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.5" % "test"

sbt/src/sbt-test/classloader-cache/resources/changes/UpdatedResourceTest.scala

@@ -0,0 +1,9 @@
+package scripted
+
+import org.scalatest.FlatSpec
+
+class ResourceTest extends FlatSpec {
+  "test resources" should "load" in {
+    Main.main(Array("bar.txt", "updated-test"))
+  }
+}

sbt/src/sbt-test/classloader-cache/resources/changes/updated-main.txt

@@ -0,0 +1 @@
+updated-main

sbt/src/sbt-test/classloader-cache/resources/changes/updated-test.txt

@@ -0,0 +1 @@
+updated-test

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/build.sbt

@@ -0,0 +1,11 @@
+name := "foo-lib"
+
+organization := "sbt"
+
+publishTo := Some(Resolver.file("test-resolver", file("").getCanonicalFile / "ivy"))
+
+version := "0.1.0"
+
+classLoaderLayeringStrategy := ClassLoaderLayeringStrategy.Dependencies
+
+Test / classLoaderLayeringStrategy := ClassLoaderLayeringStrategy.Dependencies

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.md5

@@ -0,0 +1 @@
+9bab3dca3e061fdbbff2419ef0eee90d

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-javadoc.jar.sha1

@@ -0,0 +1 @@
+11081018ca6824226893b153fe439d3a94e23286

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.md5

@@ -0,0 +1 @@
+afba811024a110dc47734c6d9ec0eb5b

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0-sources.jar.sha1

@@ -0,0 +1 @@
+e4e1b37d77060a77ab20c508df90cdae6125f3bc

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.md5

@@ -0,0 +1 @@
+6de1cfe8548a007ac08763ab5f051e08

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.jar.sha1

@@ -0,0 +1 @@
+f25267dfe760e734ea4f8a00b8dc6ace477589d6

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.pom

@@ -0,0 +1,20 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>sbt</groupId>
+    <artifactId>foo-lib_2.12</artifactId>
+    <packaging>jar</packaging>
+    <description>foo-lib</description>
+    <version>0.1.0</version>
+    <name>foo-lib</name>
+    <organization>
+        <name>sbt</name>
+    </organization>
+    <dependencies>
+        <dependency>
+            <groupId>org.scala-lang</groupId>
+            <artifactId>scala-library</artifactId>
+            <version>2.12.8</version>
+        </dependency>
+    </dependencies>
+</project>

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.pom.md5

@@ -0,0 +1 @@
+b83994a1d5ecfc3d6ff71021649e342d

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/ivy/sbt/foo-lib_2.12/0.1.0/foo-lib_2.12-0.1.0.pom.sha1

@@ -0,0 +1 @@
+6b2c0b4d69ed8e10e0221db841e0f1fdeef12780

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/project/build.properties

@@ -0,0 +1 @@
+sbt.version=1.3.0-RC1

sbt/src/sbt-test/classloader-cache/resources/libraries/foo/src/main/scala/resource/Resource.scala

@@ -0,0 +1,19 @@
+package resource
+
+import java.net.URL
+import java.nio.file._
+import java.util.Collections
+
+object Resource {
+  def readFile(url: URL): String = {
+      val uri = url.toURI
+      val fileSystem =
+        if (uri.getScheme != "jar") None
+        else Some(FileSystems.newFileSystem(uri, Collections.emptyMap[String, Object]))
+      try new String(Files.readAllBytes(Paths.get(uri)))
+      finally fileSystem.foreach(_.close())
+  }
+  def getStringResource(name: String): String = {
+    readFile(Resource.getClass.getClassLoader.getResource(name))
+  }
+}

sbt/src/sbt-test/classloader-cache/resources/src/main/resources/foo.txt

@@ -0,0 +1 @@
+main

sbt/src/sbt-test/classloader-cache/resources/src/main/scala/scripted/Main.scala

@@ -0,0 +1,10 @@
+package scripted
+
+import resource.Resource
+
+object Main {
+  def main(args: Array[String]): Unit = {
+    val Array(resource, expected) = args
+    assert(Resource.getStringResource(resource) == expected)
+  }
+}

sbt/src/sbt-test/classloader-cache/resources/src/test/resources/bar.txt

@@ -0,0 +1 @@
+test

sbt/src/sbt-test/classloader-cache/resources/src/test/scala/scripted/ResourceTest.scala

@@ -0,0 +1,9 @@
+package scripted
+
+import org.scalatest.FlatSpec
+
+class ResourceTest extends FlatSpec {
+  "test resources" should "load" in {
+    Main.main(Array("bar.txt", "test"))
+  }
+}

sbt/src/sbt-test/classloader-cache/resources/test

@@ -0,0 +1,15 @@
+> run foo.txt main
+
+$ copy-file changes/updated-main.txt src/main/resources/foo.txt
+
+> run foo.txt updated-main
+
+> test
+
+$ copy-file changes/updated-test.txt src/test/resources/bar.txt
+
+-> test
+
+$ copy-file changes/UpdatedResourceTest.scala src/test/scala/scripted/ResourceTest.scala
+
+> test