package com.openisle.service; import com.qcloud.cos.COSClient; import com.qcloud.cos.model.PutObjectRequest; import org.junit.jupiter.api.Test; import static org.junit.jupiter.api.Assertions.*; import static org.mockito.Mockito.*; class CosImageUploaderTest { @Test void uploadReturnsUrl() { COSClient client = mock(COSClient.class); CosImageUploader uploader = new CosImageUploader(client, "bucket", "http://cos.example.com"); String url = uploader.upload("data".getBytes(), "img.png").join(); verify(client).putObject(any(PutObjectRequest.class)); assertTrue(url.matches("http://cos.example.com/[a-f0-9]{32}\\.png")); } }