Differ proxy local request and forward request to 2 remote server and compare the response diff.
Make sure you are testing an api without any side-effect
- start the differ server
go install github.com/BouncyElf/differ@latest
differ <config_file>- curl the differ server and watch differ's log
The Config file is using yaml. You can check the demo config below.
# this is the proxy server setting
proxy_config:
# proxy server port
port: 8888
# enable proxy log
enable_proxy_log: false
# async or sync call, optional
async_call: false
# the main remote server you want to compare as base standard
origin_scheme_and_host: 'https://example.com'
# the second remote server you want to check the diff
remote_scheme_and_host: 'https://example.com'
# the response headers you want to ignore when comparing the diff
exclude_headers:
- Date