From e91a85d73186a3ae9a485e11f275d9a3ba076d23 Mon Sep 17 00:00:00 2001
From: Tim Nieradzik <tim@sparse.tech>
Date: Sun, 27 Jan 2019 14:01:53 +0100
Subject: [PATCH] ArtefactResolution: Inherit target platforms from parent

Pull request #6 uncovered a problem in `ArtefactResolution`: When a
test module does not set any target platforms, its dependencies would
not be resolved.
---
 .../seed/artefact/ArtefactResolution.scala    |  6 +++--
 src/main/scala/seed/artefact/Coursier.scala   |  5 +++--
 .../artefact/ArtefactResolutionSpec.scala     | 22 +++++++++++++++++++
 3 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/src/main/scala/seed/artefact/ArtefactResolution.scala b/src/main/scala/seed/artefact/ArtefactResolution.scala
index fe8110e..19194db 100644
--- a/src/main/scala/seed/artefact/ArtefactResolution.scala
+++ b/src/main/scala/seed/artefact/ArtefactResolution.scala
@@ -169,8 +169,9 @@ object ArtefactResolution {
                   module: Module,
                   platforms: Set[Platform],
                   parent: Module = Module()
-                 ): Set[Dep] =
-    module.targets.toSet[Platform].intersect(platforms).flatMap { target =>
+                 ): Set[Dep] = {
+    val targets = if (module.targets.isEmpty) parent.targets else module.targets
+    targets.toSet[Platform].intersect(platforms).flatMap { target =>
       // Shared libraries
       if (target == JVM)
         jvmDeps(build,
@@ -194,6 +195,7 @@ object ArtefactResolution {
        List(native, parent.native.getOrElse(Module()), module)))
     ) ++
     module.test.toSet.flatMap(libraryDeps(build, _, platforms, module))
+  }
 
   def libraryArtefacts(build: Build,
                        module: Module,
diff --git a/src/main/scala/seed/artefact/Coursier.scala b/src/main/scala/seed/artefact/Coursier.scala
index 684037c..c1ca21d 100644
--- a/src/main/scala/seed/artefact/Coursier.scala
+++ b/src/main/scala/seed/artefact/Coursier.scala
@@ -136,9 +136,10 @@ object Coursier {
               sources = optionalArtefacts,
               javaDoc = optionalArtefacts)))
 
-    require(deps.forall(d => result.map(_._1.module).exists(m =>
+    val missing = deps.filter(d => !result.map(_._1.module).exists(m =>
       m.organization.value == d.organisation &&
-      m.name.value == d.artefact)), "Missing dependencies in artefact resolution")
+      m.name.value == d.artefact))
+    require(missing.isEmpty, s"Missing dependencies in artefact resolution: $missing")
 
     result.map(a => (a._2.classifier, a._3)).toList
   }
diff --git a/src/test/scala/seed/artefact/ArtefactResolutionSpec.scala b/src/test/scala/seed/artefact/ArtefactResolutionSpec.scala
index 2d1aa3e..465f759 100644
--- a/src/test/scala/seed/artefact/ArtefactResolutionSpec.scala
+++ b/src/test/scala/seed/artefact/ArtefactResolutionSpec.scala
@@ -1,8 +1,13 @@
 package seed.artefact
 
+import java.nio.file.Paths
+
 import minitest.SimpleTestSuite
 import seed.model.Build.Dep
 import seed.model.Platform.JavaScript
+import seed.model.Build.{Module, Project}
+import seed.model.Platform.JVM
+import seed.model.Build
 
 object ArtefactResolutionSpec extends SimpleTestSuite {
   test("dependencyFromDep()") {
@@ -12,4 +17,21 @@ object ArtefactResolutionSpec extends SimpleTestSuite {
     assertEquals(javaDep,
       Dep("org.scala-js", "scalajs-dom_sjs0.6_2.12", "0.9.6"))
   }
+
+  test("Extract platform dependencies of test module in libraryDeps()") {
+    val build =
+      Build(
+        project = Project("2.12.8", scalaJsVersion = Some("0.6.26")),
+        module = Map(
+          "a" -> Module(
+            targets = List(JVM, JavaScript),
+            test = Some(Module(
+              sources = List(Paths.get("a/test")),
+              scalaDeps = List(Dep("io.monix", "minitest", "2.3.2")))))))
+
+    val libraryDeps = ArtefactResolution.allLibraryDeps(build)
+    assertEquals(libraryDeps, Set(
+      Dep("io.monix", "minitest_2.12", "2.3.2"),
+      Dep("io.monix", "minitest_sjs0.6_2.12", "2.3.2")))
+  }
 }