Print outputs in test fixture and implement client interface

Author: fwcd

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

@@ -3,14 +3,17 @@ package org.javacs.ktda
 import java.nio.file.Path
 import java.nio.file.Paths
 import org.eclipse.lsp4j.debug.DisconnectArguments
+import org.eclipse.lsp4j.debug.OutputEventArguments
+import org.eclipse.lsp4j.debug.services.IDebugProtocolClient
 import org.javacs.ktda.adapter.KotlinDebugAdapter
 import org.javacs.ktda.jdi.launch.JDILauncher
 import org.junit.After
 
-abstract class DebugAdapterTestFixture(relativeWorkspaceRoot: String, mainClass: String) {
+abstract class DebugAdapterTestFixture(relativeWorkspaceRoot: String, mainClass: String) : IDebugProtocolClient {
     val absoluteWorkspaceRoot: Path = Paths.get(DebugAdapterTestFixture::class.java.getResource("/").toURI()).resolve(relativeWorkspaceRoot)
     val debugAdapter: KotlinDebugAdapter = JDILauncher()
         .let(::KotlinDebugAdapter)
+        .also { it.connect(this) }
 
     fun launch() {
         debugAdapter.launch(mapOf(
@@ -22,4 +25,8 @@ abstract class DebugAdapterTestFixture(relativeWorkspaceRoot: String, mainClass:
     @After fun closeDebugAdapter() {
         debugAdapter.disconnect(DisconnectArguments()).join()
     }
+
+    override fun output(args: OutputEventArguments) {
+        println(args.output)
+    }
 }

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

@@ -8,7 +8,6 @@ import org.eclipse.lsp4j.debug.StackFrame
 import org.eclipse.lsp4j.debug.StackTraceArguments
 import org.eclipse.lsp4j.debug.StoppedEventArguments
 import org.eclipse.lsp4j.debug.VariablesArguments
-import org.eclipse.lsp4j.debug.services.IDebugProtocolClient
 import org.junit.Assert.assertThat
 import org.junit.Test
 import org.hamcrest.Matchers.contains
@@ -20,33 +19,9 @@ import java.util.concurrent.Semaphore
  * using a sample application.
  */
 class SampleWorkspaceTest : DebugAdapterTestFixture("sample-workspace", "sample.workspace.AppKt") {
-    @Test fun testBreakpointsAndVariables() {
-        val semaphore = Semaphore(0)
-
-        debugAdapter.connect(object : IDebugProtocolClient {
-            override fun stopped(args: StoppedEventArguments) {
-                assertThat(args.reason, equalTo("breakpoint"))
+    private val semaphore = Semaphore(0)
 
-                // Query information about the debuggee's current state
-                val stackTrace = debugAdapter.stackTrace(StackTraceArguments().apply {
-                    threadId = args.threadId
-                }).join()
-                val topFrame = stackTrace.stackFrames.first()
-                val scopes = debugAdapter.scopes(ScopesArguments().apply {
-                    frameId = topFrame.id
-                }).join()
-                val scope = scopes.scopes.first()
-                val variables = debugAdapter.variables(VariablesArguments().apply {
-                    variablesReference = scope.variablesReference
-                }).join()
-                
-                assertThat(variables.variables.map { Pair(it.name, it.value) }, contains(
-                    Pair("member", "\"test\""),
-                    Pair("local", "123")
-                ))
-                semaphore.release()
-            }
-        })
+    @Test fun testBreakpointsAndVariables() {
         debugAdapter.setBreakpoints(SetBreakpointsArguments().apply {
             source = Source().apply {
                 path = absoluteWorkspaceRoot
@@ -65,4 +40,27 @@ class SampleWorkspaceTest : DebugAdapterTestFixture("sample-workspace", "sample.
         launch()
         semaphore.acquire() // Wait for the end
     }
+
+    override fun stopped(args: StoppedEventArguments) {
+        assertThat(args.reason, equalTo("breakpoint"))
+
+        // Query information about the debuggee's current state
+        val stackTrace = debugAdapter.stackTrace(StackTraceArguments().apply {
+            threadId = args.threadId
+        }).join()
+        val topFrame = stackTrace.stackFrames.first()
+        val scopes = debugAdapter.scopes(ScopesArguments().apply {
+            frameId = topFrame.id
+        }).join()
+        val scope = scopes.scopes.first()
+        val variables = debugAdapter.variables(VariablesArguments().apply {
+            variablesReference = scope.variablesReference
+        }).join()
+        
+        assertThat(variables.variables.map { Pair(it.name, it.value) }, contains(
+            Pair("member", "\"test\""),
+            Pair("local", "123")
+        ))
+        semaphore.release()
+    }
 }