Add debug adapter test fixture

Author: fwcd

adapter/src/test/kotlin/org/javacs/ktda/DebugAdapterTestFixture.kt

@@ -0,0 +1,22 @@
+package org.javacs.ktda
+
+import java.nio.file.Path
+import java.nio.file.Paths
+import org.eclipse.lsp4j.debug.DisconnectArguments
+import org.javacs.ktda.adapter.KotlinDebugAdapter
+import org.javacs.ktda.jdi.launch.JDILauncher
+import org.junit.AfterClass
+
+abstract class DebugAdapterTestFixture(relativeWorkspaceRoot: String) {
+    private val absoluteWorkspaceRoot: Path = Paths.get(DebugAdapterTestFixture::class.java.getResource("/$relativeWorkspaceRoot").toURI())
+    val debugAdapter: KotlinDebugAdapter = JDILauncher()
+        .let(::KotlinDebugAdapter)
+        .also { it.launch(mapOf(
+            "projectRoot" to absoluteWorkspaceRoot.toString(),
+            "mainClass" to "sample.workspace.AppKt"
+        )) }
+
+    @AfterClass private fun closeDebugAdapter() {
+        debugAdapter.disconnect(DisconnectArguments()).join()
+    }
+}