test: add test case

Author: wenytang-ms

test-plans/java-extension-pack.yaml

@@ -1,10 +1,8 @@
 # Test Plan: Java Extension Pack — Classpath Configuration (from vscode-java-pack.wiki)
 #
 # Source: wiki Test-Plan.md "Java Extension Pack" scenario
-# Verify: Trigger Java: Configure Classpath command → configuration page appears
-#
-# Note: Classpath configuration uses a webview; the current framework has limited support
-#       for webview internal interactions — only verifies the command can be triggered and the page appears.
+# Verify: Trigger Java: Configure Classpath command → configuration page appears;
+#         add a project-local JAR to a non-unmanaged project and apply it.
 #
 # Prerequisites:
 #   - vscode-java repo is cloned locally
@@ -15,14 +13,15 @@
 name: "Java Extension Pack — Classpath Configuration"
 description: |
   Corresponds to the Java Extension Pack scenario in the wiki Test Plan:
-  Trigger the Java: Configure Classpath command and verify the configuration page appears.
+  Trigger the Java: Configure Classpath command, verify the configuration page
+  appears, and cover the non-unmanaged-project Add Library flow.
 
 setup:
   extension: "redhat.java"
   extensions:
     - "vscjava.vscode-java-pack"
   vscodeVersion: "stable"
-  workspace: "../../vscode-java/test/resources/projects/maven/salut"
+  workspace: "../../vscode-java/test/resources/projects/eclipse/simple-app"
   timeout: 90
 
 steps:
@@ -35,6 +34,14 @@ steps:
     skipLlmVerify: true
     timeout: 120
 
+  - id: "create-project-local-jar"
+    action: "insertLineInFile lib/autotest-lib.jar 1 autotest placeholder jar"
+    verify: "A project-local JAR placeholder exists for the mocked Add Library file picker"
+    verifyFile:
+      path: "~/lib/autotest-lib.jar"
+      exists: true
+    skipLlmVerify: true
+
   # ── Trigger Classpath configuration command ──────────────
   # wiki: "Trigger the command 'Java: Configure Classpath'"
   # The classpath webview lazy-loads. Use a lenient verify on the command
@@ -47,3 +54,35 @@ steps:
   - id: "verify-page"
     action: "wait 5 seconds"
     verify: "Project Settings webview displays the Classpath Configuration UI (sections such as JDK, libraries, sources)"
+    verifyWebview:
+      contains:
+        - "Classpath"
+        - "Libraries"
+
+  - id: "open-libraries-tab"
+    action: "clickInWebview text=Libraries"
+    verify: "The Libraries tab is selected and shows library management actions"
+    verifyWebview:
+      contains: "Add Library..."
+
+  - id: "add-project-local-library"
+    action: "clickInWebview text=Add Library..."
+    verify: "The file picker opens for selecting a JAR"
+
+  - id: "select-project-local-library"
+    action: "fillQuickInput ${workspaceFolder}/lib/autotest-lib.jar"
+    verify: "The project-local JAR is selected and added to the Libraries list"
+    verifyWebview:
+      contains: "autotest-lib.jar"
+
+  - id: "apply-library-change"
+    action: "clickInWebview text=Apply Settings"
+    verify: "Applying the classpath change succeeds and writes the selected JAR into .classpath"
+
+  - id: "verify-library-applied"
+    action: "wait 5 seconds"
+    verify: "The Eclipse .classpath contains the added library entry, proving the Project Settings UI sent a valid absolute library path to JDT LS instead of failing with a relative-path classpath error"
+    verifyFile:
+      path: "~/.classpath"
+      contains: "autotest-lib.jar"
+    skipLlmVerify: true