fix(WebServer): mock shutil.which in test_invalid_base64 for CI without icu

FASTSHIFT · FASTSHIFT · commit 3fe4204aedb3 · 2026-04-10T13:39:57.000+08:00
diff --git a/Tools/WebServer/tests/test_file_routes.py b/Tools/WebServer/tests/test_file_routes.py
@@ -322,7 +322,8 @@ def test_empty_data(self):
         data = res.get_json()
         self.assertFalse(data["success"])
 
-    def test_invalid_base64(self):
+    @patch("shutil.which", return_value="/usr/bin/icu")
+    def test_invalid_base64(self, mock_which):
         res = self.client.post(
             "/api/convert/lvgl-to-png", json={"data": "!!!invalid!!!"}
         )

Original file line number	Diff line number	Diff line change
`@@ -322,7 +322,8 @@ def test_empty_data(self):`
`322`	`322`	`data = res.get_json()`
`323`	`323`	`self.assertFalse(data["success"])`
`324`	`324`
`325`		`- def test_invalid_base64(self):`
	`325`	`+ @patch("shutil.which", return_value="/usr/bin/icu")`
	`326`	`+ def test_invalid_base64(self, mock_which):`
`326`	`327`	`res = self.client.post(`
`327`	`328`	`"/api/convert/lvgl-to-png", json={"data": "!!!invalid!!!"}`
`328`	`329`	`)`