diff --git a/tools/tests/tester/ResultLogger.test.ts b/tools/tests/tester/ResultLogger.test.ts
new file mode 100644
index 000000000..070f67a1e
--- /dev/null
+++ b/tools/tests/tester/ResultLogger.test.ts
@@ -0,0 +1,82 @@
+/*
+* Copyright OpenSearch Contributors
+* SPDX-License-Identifier: Apache-2.0
+*
+* The OpenSearch Contributors require contributions made to
+* this file be licensed under the Apache-2.0 license or a
+* compatible open source license.
+*/
+
+import { ConsoleResultLogger } from "tester/ResultLogger"
+import { Result } from "tester/types/eval.types"
+import * as ansi from 'tester/Ansi'
+
+describe('ConsoleResultLogger', () => {
+  let log: jest.Mock
+
+  beforeEach(() => {
+    log = console.log = jest.fn()
+  })
+
+  afterEach(() => {
+    log.mockClear()
+  })
+
+  const tab_width = 3
+
+  describe('verbose=true', () => {
+    const logger = new ConsoleResultLogger(tab_width, true)
+
+    test('log', () => {
+      logger.log({
+        result: Result.PASSED,
+        display_path: 'path',
+        full_path: 'full_path',
+        description: 'description',
+        message: 'message',
+        chapters: [{
+          title: 'title',
+          overall: {
+            result: Result.PASSED
+          }
+        }],
+        epilogues: [],
+        prologues: []
+      })
+
+      expect(log.mock.calls).toEqual([
+        [`${ansi.green('PASSED ')} ${ansi.cyan(ansi.b('description'))} ${ansi.gray('(message)')}`],
+        [`   ${ansi.green('PASSED ')} CHAPTERS `],
+        [`      ${ansi.green('PASSED ')} ${ansi.i('title')} `],
+        ["\n"]
+      ])
+    })
+  })
+
+  describe('verbose=false', () => {
+    const logger = new ConsoleResultLogger(tab_width, false)
+
+    test('log', () => {
+      logger.log({
+        result: Result.PASSED,
+        display_path: 'path',
+        full_path: 'full_path',
+        description: 'description',
+        message: 'message',
+        chapters: [{
+          title: 'title',
+          overall: {
+            result: Result.PASSED
+          }
+        }],
+        epilogues: [],
+        prologues: []
+      })
+
+      expect(log.mock.calls).toEqual([
+        [`${ansi.green('PASSED ')} ${ansi.cyan(ansi.b('description'))} ${ansi.gray('(message)')}`],
+        ["\n"]
+      ])
+    })
+  })
+})