Implement debug handler

1 files changed, 35 insertions, 0 deletions

diff --git a/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/provider/DebugHandlerHelperTest.java b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/provider/DebugHandlerHelperTest.java
new file mode 100644
index 00000000000..723b9f0df8a
--- /dev/null
+++ b/node-admin/src/test/java/com/yahoo/vespa/hosted/node/admin/provider/DebugHandlerHelperTest.java
@@ -0,0 +1,35 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+
+package com.yahoo.vespa.hosted.node.admin.provider;
+
+import org.junit.Test;
+
+import java.util.Collections;
+import java.util.Map;
+
+import static org.junit.Assert.assertEquals;
+
+public class DebugHandlerHelperTest {
+    @Test
+    public void trivial() {
+        DebugHandlerHelper helper = new DebugHandlerHelper();
+        helper.addConstant("constant-key", "constant-value");
+
+        NodeAdminDebugHandler handler = new NodeAdminDebugHandler() {
+            @Override
+            public Map<String, Object> getDebugPage() {
+                return Collections.singletonMap("handler-value-key", "handler-value-value");
+            }
+        };
+        helper.addHandler("handler-key", handler);
+
+        helper.addThreadSafeSupplier("supplier-key", () -> "supplier-value");
+
+        assertEquals("{" +
+                "supplier-key=supplier-value, " +
+                "handler-key={handler-value-key=handler-value-value}, " +
+                "constant-key=constant-value" +
+                "}",
+                helper.getDebugPage().toString());
+    }
+}
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