diff --git a/src/test/kotlin/com/beust/kobalt/BaseTest.kt b/src/test/kotlin/com/beust/kobalt/BaseTest.kt
index 6340d36c..a7b4d82c 100644
--- a/src/test/kotlin/com/beust/kobalt/BaseTest.kt
+++ b/src/test/kotlin/com/beust/kobalt/BaseTest.kt
@@ -1,15 +1,25 @@
 package com.beust.kobalt
 
 import com.beust.kobalt.api.Kobalt
+import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.app.BuildFileCompiler
 import com.beust.kobalt.internal.JvmCompilerPlugin
 import com.beust.kobalt.internal.KobaltPluginXml
 import com.beust.kobalt.internal.PluginInfo
 import com.beust.kobalt.internal.build.BuildFile
+import com.beust.kobalt.maven.aether.KobaltAether
+import org.testng.annotations.BeforeSuite
 import java.io.File
 import java.nio.file.Paths
 
-interface BaseTest {
+open class BaseTest(open val aether: KobaltAether) {
+    val context = KobaltContext(Args())
+
+    @BeforeSuite
+    fun bs() {
+        context.aether = aether
+    }
+
     fun compileBuildFile(buildFileText: String, args: Args, compilerFactory: BuildFileCompiler.IFactory)
             : BuildFileCompiler.FindProjectResult {
         val tmpBuildFile = File.createTempFile("kobaltTest", "").apply {
diff --git a/src/test/kotlin/com/beust/kobalt/ContextTest.kt b/src/test/kotlin/com/beust/kobalt/ContextTest.kt
new file mode 100644
index 00000000..108872fc
--- /dev/null
+++ b/src/test/kotlin/com/beust/kobalt/ContextTest.kt
@@ -0,0 +1,49 @@
+package com.beust.kobalt
+
+import com.beust.kobalt.api.KobaltContext
+import com.beust.kobalt.maven.aether.KobaltAether
+import com.google.inject.Inject
+import org.assertj.core.api.Assertions.assertThat
+import org.testng.annotations.DataProvider
+import org.testng.annotations.Guice
+import org.testng.annotations.Test
+import java.io.File
+
+@Guice(modules = arrayOf(TestModule::class))
+class ContextTest @Inject constructor(override val aether: KobaltAether): BaseTest(aether) {
+
+    val GROUP = "org.testng"
+    val ARTIFACT = "testng"
+    val VERSION = "6.9.11"
+    val REPO_PATH = TEST_KOBALT_SETTINGS.localCache
+    val id = "$GROUP:$ARTIFACT:$VERSION"
+
+    @DataProvider
+    fun dp() : Array<Array<out Any?>> {
+        return arrayOf(
+                arrayOf(KobaltContext.FileType.JAR, ARTIFACT + "-" + VERSION + ".jar"),
+                arrayOf(KobaltContext.FileType.POM, ARTIFACT + "-" + VERSION + ".pom"),
+                arrayOf(KobaltContext.FileType.JAVADOC, ARTIFACT + "-" + VERSION + "-javadoc.jar"),
+                arrayOf(KobaltContext.FileType.SOURCES, ARTIFACT + "-" + VERSION + "-sources.jar")
+        )
+    }
+
+    fun normalize(path: String) = path.replace('.', File.separatorChar)
+
+    @Test(dataProvider = "dp")
+    fun fileForIdShouldWork(fileType: KobaltContext.FileType, expectedFileName: String) {
+        val expected = listOf(REPO_PATH, normalize(GROUP), ARTIFACT, VERSION,
+                ARTIFACT + "-" + VERSION + ".jar").joinToString(File.separator)
+        val file = context.fileFor(id, KobaltContext.FileType.JAR)
+        assertThat(file.absolutePath).isEqualTo(expected)
+    }
+
+    @Test
+    fun fileForIdOther() {
+        val expected = listOf(REPO_PATH, "io/reactivex/rxandroid/1.0.1/rxandroid-1.0.1.aar")
+                .joinToString(File.separator)
+        val file = context.fileFor("io.reactivex:rxandroid:aar:1.0.1", KobaltContext.FileType.OTHER)
+        assertThat(file.absolutePath).isEqualTo(expected)
+
+    }
+}
diff --git a/src/test/kotlin/com/beust/kobalt/internal/ProfileTest.kt b/src/test/kotlin/com/beust/kobalt/internal/ProfileTest.kt
index 4bb722d7..2ea7d714 100644
--- a/src/test/kotlin/com/beust/kobalt/internal/ProfileTest.kt
+++ b/src/test/kotlin/com/beust/kobalt/internal/ProfileTest.kt
@@ -6,16 +6,15 @@ import com.beust.kobalt.TestModule
 import com.beust.kobalt.api.Kobalt
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.app.BuildFileCompiler
+import com.beust.kobalt.maven.aether.KobaltAether
 import com.google.inject.Inject
 import org.assertj.core.api.Assertions.assertThat
 import org.testng.annotations.Guice
 import org.testng.annotations.Test
 
 @Guice(modules = arrayOf(TestModule::class))
-class ProfileTest @Inject constructor(val compilerFactory: BuildFileCompiler.IFactory
-//        val jvmCompilerPlugin: JvmCompilerPlugin
-//        val buildScriptUtil: BuildScriptUtil
-) : BaseTest {
+class ProfileTest @Inject constructor(val compilerFactory: BuildFileCompiler.IFactory,
+        override val aether: KobaltAether): BaseTest(aether) {
     private fun runTestWithProfile(enabled: Boolean) : Project {
         val buildFileString = """
             | import com.beust.kobalt.*