diff --git a/tests/unit-tests/util/class-wc-tests-user-functions.php b/tests/unit-tests/util/class-wc-tests-user-functions.php
new file mode 100644
index 00000000000..2f8975bb16a
--- /dev/null
+++ b/tests/unit-tests/util/class-wc-tests-user-functions.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * Unit tests for the user functions.
+ *
+ * @package WooCommerce\Tests\Util
+ * @since 3.4.6
+ */
+
+/**
+ * Core function unit tests.
+ */
+class WC_Tests_User_Functions extends WC_Unit_Test_Case {
+
+	/**
+	 * Test the logic of wc_modify_editable_roles.
+	 *
+	 * @since 3.4.6
+	 */
+	public function test_wc_modify_editable_roles() {
+		$password = wp_generate_password();
+
+		$admin_id = wp_insert_user( array(
+			'user_login' => 'test_admin',
+			'user_pass'  => $password,
+			'user_email' => 'admin@example.com',
+			'role'       => 'administrator',
+		) );
+
+		$editor_id = wp_insert_user( array(
+			'user_login' => 'test_editor',
+			'user_pass'  => $password,
+			'user_email' => 'editor@example.com',
+			'role'       => 'editor',
+		) );
+
+		$manager_id = wp_insert_user( array(
+			'user_login' => 'test_manager',
+			'user_pass'  => $password,
+			'user_email' => 'manager@example.com',
+			'role'       => 'shop_manager',
+		) );
+
+		// Admins should be able to edit anyone.
+		wp_set_current_user( $admin_id );
+		$admin_editable_roles = array_keys( get_editable_roles() );
+		$this->assertContains( 'administrator', $admin_editable_roles );
+		$this->assertContains( 'editor', $admin_editable_roles );
+		$this->assertContains( 'shop_manager', $admin_editable_roles );
+		$this->assertContains( 'customer', $admin_editable_roles );
+
+		// Editors should be able to edit non-admins.
+		wp_set_current_user( $editor_id );
+		$editor_editable_roles = array_keys( get_editable_roles() );
+		$this->assertNotContains( 'administrator', $editor_editable_roles );
+		$this->assertContains( 'editor', $editor_editable_roles );
+		$this->assertContains( 'shop_manager', $editor_editable_roles );
+		$this->assertContains( 'customer', $editor_editable_roles );
+
+		// Shop manager should only be able to edit customers.
+		wp_set_current_user( $manager_id );
+		$manager_editable_roles = array_keys( get_editable_roles() );
+		$this->assertEquals( array( 'customer' ), $manager_editable_roles );
+	}
+
+	/**
+	 * Test the logic of wc_modify_map_meta_cap.
+	 *
+	 * @since 3.4.6
+	 */
+	public function test_wc_modify_map_meta_cap() {
+		$password = wp_generate_password();
+
+		$admin_id = wp_insert_user( array(
+			'user_login' => 'test_admin',
+			'user_pass'  => $password,
+			'user_email' => 'admin@example.com',
+			'role'       => 'administrator',
+		) );
+
+		$editor_id = wp_insert_user( array(
+			'user_login' => 'test_editor',
+			'user_pass'  => $password,
+			'user_email' => 'editor@example.com',
+			'role'       => 'editor',
+		) );
+
+		$manager_id = wp_insert_user( array(
+			'user_login' => 'test_manager',
+			'user_pass'  => $password,
+			'user_email' => 'manager@example.com',
+			'role'       => 'shop_manager',
+		) );
+
+		$customer_id = wp_insert_user( array(
+			'user_login' => 'test_customer',
+			'user_pass'  => $password,
+			'user_email' => 'customer@example.com',
+			'role'       => 'customer',
+		) );
+
+		// Admins should be able to edit or promote anyone.
+		wp_set_current_user( $admin_id );
+		$caps = map_meta_cap( 'edit_user', $admin_id, $editor_id );
+		$this->assertEquals( array( 'edit_users' ), $caps );
+		$caps = map_meta_cap( 'promote_user', $admin_id, $manager_id );
+		$this->assertEquals( array( 'promote_users' ), $caps );
+
+		// Shop managers should only be able to edit themselves or customers.
+		wp_set_current_user( $manager_id );
+		$caps = map_meta_cap( 'edit_user', $manager_id, $admin_id );
+		$this->assertContains( 'do_not_allow', $caps );
+		$caps = map_meta_cap( 'edit_user', $manager_id, $editor_id );
+		$this->assertContains( 'do_not_allow', $caps );
+		$caps = map_meta_cap( 'edit_user', $manager_id, $customer_id );
+		$this->assertEquals( array( 'edit_users' ), $caps );
+
+		// Customers should not be able to edit or promote anyone.
+		wp_set_current_user( $customer_id );
+		$caps = map_meta_cap( 'edit_user', $customer_id, $admin_id );
+		$this->assertContains( 'do_not_allow', $caps );
+		$caps = map_meta_cap( 'edit_user', $customer_id, $editor_id );
+		$this->assertContains( 'do_not_allow', $caps );
+	}
+}