added sub-project that tests coverageAggregate command

src/sbt-test/scoverage/aggregate/build.sbt

@@ -0,0 +1,40 @@
+/*
+  The projects test aggregation of coverage reports from two sub-projects.
+  The sub-projects are in the irectories partA and partB.
+  The tests are against the sources of ScoverageSbtPlugin in the parent directory.
+  It might be possible to test other versions of ScoverageSbtPlugin.
+*/
+
+lazy val commonSettings = Seq(
+  organization := "org.scoverage",
+  version := "0.1.0",
+  scalaVersion := "2.10.4"
+)
+
+lazy val specs2Lib = "org.specs2" %% "specs2" % "2.3.13" % "test"
+
+def module(name: String) = {
+  val id = s"part$name"
+  Project(id = id, base = file(id))
+    .settings(commonSettings: _*)
+    .settings(
+      Keys.name := name,
+      libraryDependencies += specs2Lib
+    )
+}
+
+lazy val partA = module("A")
+lazy val partB = module("B")
+
+lazy val root = (project in file("."))
+  .settings(commonSettings:_*)
+  .settings(
+    name := "root",
+    test := { }
+  ).aggregate(
+    partA,
+    partB
+  )
+
+
+

src/sbt-test/scoverage/aggregate/partA/src/main/scala/org/scoverage/issue53/part/a/AdderScala.scala

@@ -0,0 +1,10 @@
+package org.scoverage.issue53.part.a
+
+/**
+ * Created by Mikhail Kokho on 7/10/2015.
+ */
+object AdderScala {
+
+  def add(x: Int, y: Int) = x + y
+
+}

src/sbt-test/scoverage/aggregate/partA/src/test/scala/AdderTestSuite.scala

@@ -0,0 +1,13 @@
+import org.specs2.mutable._
+import org.scoverage.issue53.part.a.AdderScala
+
+/**
+ * Created by Mikhail Kokho on 7/10/2015.
+ */
+class AdderTestSuite extends Specification {
+  "Adder" should {
+    "sum two numbers" in {
+      AdderScala.add(1, 2) mustEqual 3
+    }
+  }
+}

src/sbt-test/scoverage/aggregate/partB/src/main/scala/org/scoverage/issue53/part/b/SubtractorScala.scala

@@ -0,0 +1,11 @@
+
+package org.scoverage.issue53.part.b
+
+/**
+ * Created by Mikhail Kokho on 7/10/2015.
+ */
+object SubtractorScala {
+
+  def minus(x: Int, y: Int) = x - y
+
+}

src/sbt-test/scoverage/aggregate/partB/src/test/scala/SubtractorTestSuite.scala

@@ -0,0 +1,14 @@
+import org.specs2.mutable._
+import org.scoverage.issue53.part.b.SubtractorScala
+
+/**
+ * Created by Mikhail Kokho on 7/10/2015.
+ */
+class SubtractorTestSuite extends Specification {
+  "Subtractor" should {
+    "subtract two numbers" in {
+      SubtractorScala.minus(2, 1) mustEqual 1
+    }
+  }
+}
+

src/sbt-test/scoverage/aggregate/project/plugins.sbt

@@ -0,0 +1,6 @@
+/*
+ * ScoveragePlugin is constructed from the sources in the parent directory
+ */
+lazy val root = (project in file(".")).dependsOn(scoveragePlugin)
+
+lazy val scoveragePlugin = file("../../../..").getAbsoluteFile.toURI

src/sbt-test/scoverage/aggregate/test

@@ -0,0 +1,2 @@
+#this file is necessary for scripted plugin. See http://eed3si9n.com/testing-sbt-plugins
+#it is empty for now