Added tests for exclude by filepath

Author: sksamuel

build.sbt

@@ -12,9 +12,9 @@ resolvers := ("releases" at "https://oss.sonatype.org/service/local/staging/depl
 
 javacOptions ++= Seq("-source", "1.6", "-target", "1.6")
 
-scalaVersion := "2.11.2"
+scalaVersion := "2.11.1"
 
-crossScalaVersions := Seq("2.10.4", "2.11.2")
+crossScalaVersions := Seq("2.10.4", "2.11.1")
 
 libraryDependencies ++= Seq(
   "org.scala-lang"                 %     "scala-compiler"        % scalaVersion.value    % "provided",

src/main/scala/scoverage/CoverageFilter.scala

@@ -48,7 +48,7 @@ class RegexCoverageFilter(excludedPackages: Seq[String],
   }
 
   override def isFileIncluded(file: SourceFile): Boolean = {
-    def isFileMatch(file:SourceFile) = excludedFilePatterns.exists(_.matcher(file.path).matches)
+    def isFileMatch(file: SourceFile) = excludedFilePatterns.exists(_.matcher(file.path.replace(".scala", "")).matches)
     excludedFilePatterns.isEmpty || !isFileMatch(file)
   }
 

src/test/scala/scoverage/RegexCoverageFilterTest.scala

@@ -1,10 +1,15 @@
 package scoverage
 
-import org.scalatest.FreeSpec
+import java.io.{InputStream, File, OutputStream}
 
-import scala.reflect.internal.util.{BatchSourceFile, NoFile, SourceFile}
+import org.mockito.Mockito
+import org.scalatest.mock.MockitoSugar
+import org.scalatest.{Matchers, FreeSpec}
 
-class RegexCoverageFilterTest extends FreeSpec {
+import scala.reflect.internal.util._
+import scala.reflect.io.{Path, AbstractFile}
+
+class RegexCoverageFilterTest extends FreeSpec with Matchers with MockitoSugar {
 
   "isClassIncluded" - {
 
@@ -36,6 +41,26 @@ class RegexCoverageFilterTest extends FreeSpec {
       assert(!new RegexCoverageFilter(Seq(".*eee"), Nil).isClassIncluded("scoverageeee"))
     }
   }
+  "isFileIncluded" - {
+    val abstractFile = mock[AbstractFile]
+    Mockito.when(abstractFile.path).thenReturn("sammy.scala")
+    "should return true for empty excludes" in {
+      val file = new BatchSourceFile(abstractFile, Array.emptyCharArray)
+      new RegexCoverageFilter(Nil, Nil).isFileIncluded(file) shouldBe true
+    }
+    "should exclude by filename" in {
+      val file = new BatchSourceFile(abstractFile, Array.emptyCharArray)
+      new RegexCoverageFilter(Nil, Seq("sammy")).isFileIncluded(file) shouldBe false
+    }
+    "should exclude by regex wildcard" in {
+      val file = new BatchSourceFile(abstractFile, Array.emptyCharArray)
+      new RegexCoverageFilter(Nil, Seq("sam.*")).isFileIncluded(file) shouldBe false
+    }
+    "should not exclude non matching regex" in {
+      val file = new BatchSourceFile(abstractFile, Array.emptyCharArray)
+      new RegexCoverageFilter(Nil, Seq("qweqeqwe")).isFileIncluded(file) shouldBe true
+    }
+  }
   "getExcludedLineNumbers" - {
     "should exclude no lines if no magic comments are found" in {
       val file =