From 42eb04e266afaad1bdba9975539b1bba82eb9b4c Mon Sep 17 00:00:00 2001
From: Lam Wei Li <peteriman@mail.com>
Date: Fri, 4 Feb 2022 17:07:36 +0800
Subject: [PATCH] chore(test): improve test coverage for adapters

appenders/adapters.js - Line 16 - throw Error(`maxLogSize: "${maxLogSize}" is invalid`);
---
 test/tap/fileAppender-test.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/test/tap/fileAppender-test.js b/test/tap/fileAppender-test.js
index f325a50..8a11f2e 100644
--- a/test/tap/fileAppender-test.js
+++ b/test/tap/fileAppender-test.js
@@ -117,6 +117,27 @@ test("log4js fileAppender", batch => {
     t.end();
   });
 
+  batch.test("with a max file size in wrong unit mode", async t => {
+    const invalidUnit = "1Z";
+    const expectedError = new Error(`maxLogSize: "${invalidUnit}" is invalid`);
+    t.throws(
+      () => 
+        log4js.configure({
+          appenders: {
+            file: {
+              type: "file",
+              maxLogSize: invalidUnit
+            }
+          },
+          categories: {
+            default: { appenders: ["file"], level: "debug" }
+          }
+        }),
+      expectedError
+    );
+    t.end();
+  });
+
   batch.test("with a max file size in unit mode and no backups", async t => {
     const testFile = path.join(__dirname, "fa-maxFileSize-unit-test.log");
     const logger = log4js.getLogger("max-file-size-unit");