diff --git a/test/esm/unit/parsers/big-numbers-strings-binary-sanitization.test.mjs b/test/esm/unit/parsers/big-numbers-strings-binary-sanitization.test.mjs
new file mode 100644
index 0000000000..5f1b990e7f
--- /dev/null
+++ b/test/esm/unit/parsers/big-numbers-strings-binary-sanitization.test.mjs
@@ -0,0 +1,66 @@
+import { describe, test, assert } from 'poku';
+import { createConnection, describeOptions } from '../../../common.test.cjs';
+
+const connection = createConnection().promise();
+
+const sql = 'SELECT 9007199254740991+100 AS `total`';
+
+describe('Binary Parser: bigNumberStrings Sanitization', describeOptions);
+
+Promise.all([
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: true,
+      bigNumberStrings: true,
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'string',
+      'Valid bigNumberStrings enabled',
+    );
+  }),
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: false,
+      bigNumberStrings: false,
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'number',
+      'Valid bigNumberStrings disabled',
+    );
+  }),
+
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: 'text',
+      bigNumberStrings: 'text',
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'string',
+      'bigNumberStrings as a random string should be enabled',
+    );
+  }),
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: '',
+      bigNumberStrings: '',
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'number',
+      'bigNumberStrings as an empty string should be disabled',
+    );
+  }),
+]).then(async () => {
+  await connection.end();
+});
diff --git a/test/esm/unit/parsers/big-numbers-strings-sanitization.test.mjs b/test/esm/unit/parsers/big-numbers-strings-text-sanitization.test.mjs
similarity index 95%
rename from test/esm/unit/parsers/big-numbers-strings-sanitization.test.mjs
rename to test/esm/unit/parsers/big-numbers-strings-text-sanitization.test.mjs
index 09cc6a2d81..3d8a842da3 100644
--- a/test/esm/unit/parsers/big-numbers-strings-sanitization.test.mjs
+++ b/test/esm/unit/parsers/big-numbers-strings-text-sanitization.test.mjs
@@ -5,7 +5,7 @@ const connection = createConnection().promise();
 
 const sql = 'SELECT 9007199254740991+100 AS `total`';
 
-describe('bigNumberStrings Sanitization', describeOptions);
+describe('Text Parser: bigNumberStrings Sanitization', describeOptions);
 
 Promise.all([
   test(async () => {
diff --git a/test/unit/parsers/cache-key-serialization.test.cjs b/test/esm/unit/parsers/cache-key-serialization.test.mjs
similarity index 98%
rename from test/unit/parsers/cache-key-serialization.test.cjs
rename to test/esm/unit/parsers/cache-key-serialization.test.mjs
index 841850e933..3744110b18 100644
--- a/test/unit/parsers/cache-key-serialization.test.cjs
+++ b/test/esm/unit/parsers/cache-key-serialization.test.mjs
@@ -1,8 +1,5 @@
-'use strict';
-
-const { assert } = require('poku');
-const _keyFromFields =
-  require('../../../lib/parsers/parser_cache.js')._keyFromFields;
+import { assert } from 'poku';
+import { _keyFromFields } from '../../../../lib/parsers/parser_cache.js';
 
 // Invalid
 const test1 = {
diff --git a/test/esm/unit/parsers/support-big-numbers-binary-sanitization.test.mjs b/test/esm/unit/parsers/support-big-numbers-binary-sanitization.test.mjs
new file mode 100644
index 0000000000..156cbfd1b1
--- /dev/null
+++ b/test/esm/unit/parsers/support-big-numbers-binary-sanitization.test.mjs
@@ -0,0 +1,62 @@
+import { describe, test, assert } from 'poku';
+import { createConnection, describeOptions } from '../../../common.test.cjs';
+
+const connection = createConnection().promise();
+
+const sql = 'SELECT 9007199254740991+100 AS `total`';
+
+describe('Binary Parser: supportBigNumbers Sanitization', describeOptions);
+
+Promise.all([
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: true,
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'string',
+      'Valid supportBigNumbers enabled',
+    );
+  }),
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: false,
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'number',
+      'Valid supportBigNumbers disabled',
+    );
+  }),
+
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: 'text',
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'string',
+      'supportBigNumbers as a random string should be enabled',
+    );
+  }),
+  test(async () => {
+    const [results] = await connection.execute({
+      sql,
+      supportBigNumbers: '',
+    });
+
+    assert.strictEqual(
+      typeof results[0].total,
+      'number',
+      'supportBigNumbers as an empty string should be disabled',
+    );
+  }),
+]).then(async () => {
+  await connection.end();
+});
diff --git a/test/esm/unit/parsers/support-big-numbers-sanitization.test.mjs b/test/esm/unit/parsers/support-big-numbers-text-sanitization.test.mjs
similarity index 94%
rename from test/esm/unit/parsers/support-big-numbers-sanitization.test.mjs
rename to test/esm/unit/parsers/support-big-numbers-text-sanitization.test.mjs
index 174ed76ffa..da5b6a6203 100644
--- a/test/esm/unit/parsers/support-big-numbers-sanitization.test.mjs
+++ b/test/esm/unit/parsers/support-big-numbers-text-sanitization.test.mjs
@@ -5,7 +5,7 @@ const connection = createConnection().promise();
 
 const sql = 'SELECT 9007199254740991+100 AS `total`';
 
-describe('supportBigNumbers Sanitization', describeOptions);
+describe('Text Parser: supportBigNumbers Sanitization', describeOptions);
 
 Promise.all([
   test(async () => {