andreysaksonov/tcp-mocker

TCP Mocker is a tool which simplifies testing on a network level. It can mock a TCP server by mapping request patterns to pre-defined responses.

tcp-mocker

Build

Supported Java Versions:

• Java 11
• Java 12/13/14: google/error-prone#1106

Using Maven

./mvnw clean package

Using Docker

docker-compose up

Usage

Docker:

docker run -it --rm \
  -p 10001:10001 \
  -v $(pwd)/tcp-mappings:/var/lib/tcp-mocker/tcp-mappings \
  tcpmocker/tcp-mocker-app:LOCAL-SNAPSHOT

Tips & Tricks

TCP Mocker Ping-Pong Playground

$ docker run -it --rm \
    -p 10001:10001 \
    -v $(pwd)/tcp-mocker-app-test/tcp-mocker-app/tcp-mappings:/var/lib/tcp-mocker/tcp-mappings \
    tcpmocker/tcp-mocker-app:LOCAL-SNAPSHOT

$ echo -ne 'ping' | xxd -p
70696e67

$ echo -ne '\x70\x69\x6e\x67' | xxd -p
70696e67

$ echo -ne '\x70\x69\x6e\x67' | ncat localhost 10001
pong

$ echo -ne '\x70\x69\x6e\x67' | ncat localhost 10001 | xxd -p
706f6e67

Upgrade Maven Wrapper Version

mvn -N io.takari:maven:wrapper -Dmaven=3.6.3