Set which encoding your test JVM will start with

package.json

@@ -55,18 +55,18 @@
  "main": "./main.js",
  "contributes": {
  "javaExtensions": [
- "./server/junit-jupiter-api_5.10.3.jar",
- "./server/junit-jupiter-engine_5.10.3.jar",
- "./server/junit-jupiter-migrationsupport_5.10.3.jar",
- "./server/junit-jupiter-params_5.10.3.jar",
- "./server/junit-platform-commons_1.10.3.jar",
- "./server/junit-platform-engine_1.10.3.jar",
- "./server/junit-platform-launcher_1.10.3.jar",
- "./server/junit-platform-runner_1.10.3.jar",
- "./server/junit-platform-suite-api_1.10.3.jar",
- "./server/junit-platform-suite-commons_1.10.3.jar",
- "./server/junit-platform-suite-engine_1.10.3.jar",
- "./server/junit-vintage-engine_5.10.3.jar",
+ "./server/junit-jupiter-api_5.11.0.jar",
+ "./server/junit-jupiter-engine_5.11.0.jar",
+ "./server/junit-jupiter-migrationsupport_5.11.0.jar",
+ "./server/junit-jupiter-params_5.11.0.jar",
+ "./server/junit-platform-commons_1.11.0.jar",
+ "./server/junit-platform-engine_1.11.0.jar",
+ "./server/junit-platform-launcher_1.11.0.jar",
+ "./server/junit-platform-runner_1.11.0.jar",
+ "./server/junit-platform-suite-api_1.11.0.jar",
+ "./server/junit-platform-suite-commons_1.11.0.jar",
+ "./server/junit-platform-suite-engine_1.11.0.jar",
+ "./server/junit-vintage-engine_5.11.0.jar",
  "./server/org.apiguardian.api_1.1.2.jar",
  "./server/org.eclipse.jdt.junit4.runtime_1.3.100.v20231214-1952.jar",
  "./server/org.eclipse.jdt.junit5.runtime_1.1.300.v20231214-1952.jar",
@@ -254,6 +254,11 @@
  "markdownDescription": "%configuration.java.test.config.javaExec.description%",
  "default": ""
  },
+ "encoding": {
+ "type": "string",
+ "description": "%configuration.java.test.config.encoding.description%",
+ "default": ""
+ },
  "vmArgs": {
  "type": "array",
  "items": {

package.nls.json

@@ -21,6 +21,7 @@
  "configuration.java.test.config.modulePaths.runtime.description": "The modulepaths within 'runtime' scope of current project.",
  "configuration.java.test.config.modulePaths.test.description": "The modulepaths within 'test' scope of current project.",
  "configuration.java.test.config.modulePaths.exclude.description": "The path after '!' will be excluded from the modulePaths.",
+ "configuration.java.test.config.encoding.description": "The 'file.encoding' setting for the test JVM. Only set this if you have to test code that relies on the default encoding being something other than UTF-8.",
  "configuration.java.test.config.vmArgs.description": "Specify the extra options and system properties for the JVM.",
  "configuration.java.test.config.args.description": "Specify the command line arguments which will be passed to the test runner.",
  "configuration.java.test.config.env.description": "Specify the extra environment variables when running the tests.",

src/java-test-runner.api.ts

@@ -279,6 +279,12 @@ export interface IExecutionConfig {
  */
  javaExec?: string;
 
+ /**
+ * the default encoding the JVM will start with. If undefined, this will be UTF-8.
+ * @since 0.43.0
+ */
+ encoding?: string;
+
  /**
  * the extra options and system properties for the JVM.
  * @since 0.14.0
@@ -353,4 +359,4 @@ export interface IExecutionConfig {
  * @since 0.41.0
  */
  when?: string
-}
+}

src/utils/launchUtils.ts

@@ -23,63 +23,49 @@ export async function resolveLaunchConfigurationForRunner(runner: BaseRunner, te
  sendInfo('', {'deprecatedPropertyUsed': 'vmargs'});
  }
 
- let debugConfiguration: DebugConfiguration;
+ let debugConfiguration: DebugConfiguration = {
+ name: `Launch Java Tests - ${testContext.testItems[0].label}`,
+ type: 'java',
+ request: 'launch',
+ projectName: launchArguments.projectName,
+ cwd: config && config.workingDirectory ? config.workingDirectory : launchArguments.workingDirectory,
+ modulePaths: [
+ ...config?.modulePaths || [],
+ ...launchArguments.modulepath || [],
+ ],
+ encoding: config?.encoding,
+ vmArgs: launchArguments.vmArguments,
+ env: config?.env,
+ envFile: config?.envFile,
+ noDebug: !testContext.isDebug,
+ sourcePaths: config?.sourcePaths,
+ preLaunchTask: config?.preLaunchTask,
+ postDebugTask: config?.postDebugTask,
+ javaExec: config?.javaExec,
+ };
+
  if (testContext.kind === TestKind.TestNG) {
- debugConfiguration = {
- name: `Launch Java Tests - ${testContext.testItems[0].label}`,
- type: 'java',
- request: 'launch',
+ debugConfiguration = Object.assign(debugConfiguration, {
  mainClass: 'com.microsoft.java.test.runner.Launcher',
- projectName: launchArguments.projectName,
- cwd: config && config.workingDirectory ? config.workingDirectory : launchArguments.workingDirectory,
  classPaths: [
  ...config?.classPaths || [],
  ...launchArguments.classpath || [],
  path.join(extensionContext.extensionPath, 'server', 'com.microsoft.java.test.runner-jar-with-dependencies.jar'),
  ],
- modulePaths: [
- ...config?.modulePaths || [],
- ...launchArguments.modulepath || [],
- ],
  args: runner.getApplicationArgs(config),
- vmArgs: launchArguments.vmArguments,
- env: config?.env,
- envFile: config?.envFile,
- noDebug: !testContext.isDebug,
- sourcePaths: config?.sourcePaths,
- preLaunchTask: config?.preLaunchTask,
- postDebugTask: config?.postDebugTask,
- javaExec: config?.javaExec,
- };
+ });
  } else {
- debugConfiguration = {
- name: `Launch Java Tests - ${testContext.testItems[0].label}`,
- type: 'java',
- request: 'launch',
+ debugConfiguration = Object.assign(debugConfiguration, {
  mainClass: launchArguments.mainClass,
- projectName: launchArguments.projectName,
- cwd: config && config.workingDirectory ? config.workingDirectory : launchArguments.workingDirectory,
  classPaths: [
  ...config?.classPaths || [],
  ...launchArguments.classpath || [],
  ],
- modulePaths: [
- ...config?.modulePaths || [],
- ...launchArguments.modulepath || [],
- ],
  args: [
  ...launchArguments.programArguments,
  ...(testContext.kind === TestKind.JUnit5 ? parseTags(config) : [])
  ],
- vmArgs: launchArguments.vmArguments,
- env: config?.env,
- envFile: config?.envFile,
- noDebug: !testContext.isDebug,
- sourcePaths: config?.sourcePaths,
- preLaunchTask: config?.preLaunchTask,
- postDebugTask: config?.postDebugTask,
- javaExec: config?.javaExec,
- };
+ });
  }
 
  if (testContext.profile?.kind === TestRunProfileKind.Coverage) {

test/suite/config.test.ts

@@ -4,6 +4,7 @@
 'use strict';
 
 import * as assert from 'assert';
+
 import { TestController, TestRunRequest, tests, workspace } from 'vscode';
 import { JUnitRunner } from '../../src/runners/junitRunner/JunitRunner';
 import { resolveLaunchConfigurationForRunner } from '../../src/utils/launchUtils';
@@ -70,4 +71,40 @@ suite('JUnit Runner Analyzer Tests', () => {
  assert.strictEqual(configuration.classPaths[1], "/foo/bar.jar");
  assert.strictEqual(configuration.javaExec, "/usr/bin/java");
  });
+
+ test("test launch encoding", async() => {
+ const testItem = generateTestItem(testController, '[email protected]#latin1IsSet', TestKind.JUnit, undefined, '=junit/src\\/test\\/java=/optional=/true=/=/maven.pomderived=/true=/=/test=/true=/<junit4{TestAnnotation.java[TestEncoding~latin1IsSet');
+ const testRunRequest = new TestRunRequest([testItem], []);
+ const testRun = testController.createTestRun(testRunRequest);
+ const runnerContext: IRunTestContext = {
+ isDebug: false,
+ kind: TestKind.JUnit,
+ projectName: 'junit',
+ testItems: [testItem],
+ testRun: testRun,
+ workspaceFolder: workspace.workspaceFolders?.[0]!,
+ };
+ const junitRunner = new JUnitRunner(runnerContext);
+ const configuration = await resolveLaunchConfigurationForRunner(junitRunner, runnerContext, {
+ classPaths: [
+ "/a/b/c.jar",
+ "/foo/bar.jar"
+ ],
+ env: {
+ test: "test",
+ },
+ envFile: "${workspaceFolder}/.env",
+ encoding: "ISO-8859-1",
+ javaExec: "/usr/bin/java",
+ modulePaths: [
+ "/test/module.jar",
+ ],
+ postDebugTask: "test",
+ preLaunchTask: "test",
+ sourcePaths: [
+ "/a/b/c.jar"
+ ]
+ });
+ assert.strictEqual(configuration.encoding, "ISO-8859-1");
+ });
 });

test/test-projects/junit/src/test/java/junit4/TestEncoding.java

@@ -0,0 +1,20 @@
+package junit4;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+import java.nio.charset.Charset;
+
+/**
+ * The test case in this class will fail unless you set `java.test.config : encoding` to ISO-8859-1
+ */
+public class TestEncoding {
+ @Test
+ public void latin1IsSet() {
+ assertEquals(
+ "ISO-8859-1",
+ Charset.defaultCharset().name()
+ );
+ }
+}