Fake SNS

Fake Amazon Simple Notification Service (SNS) for testing. Supports:

• Create/List/Delete topics
• Subscribe endpoint
• Publish message
• Subscription persistence
• Integrations with (Fake-)SQS, File, HTTP, RabbitMQ, Slack

Usage

Docker

Based on the official java:8-jre-alpine image. Run it with the command:

docker run -d -p 9911:9911 s12v/sns

If you would like to keep the topic/subscription database in the current host folder:

docker run -d -p 9911:9911 -v "$PWD":/etc/sns s12v/sns

Using aws-cli

The image has aws-cli preinstalled. For example, create a topic:

docker exec <CONTAINER_ID> sh -c 'aws sns --endpoint-url http://localhost:9911 create-topic --name test1'

Jar

Download the latest release from https://github.com/s12v/sns/releases and run:

DB_PATH=/tmp/db.json java -jar sns-0.2.0.jar

Requires Java8.

Configuration

Configuration can be set via environment variables:

• DB_PATH - path to subscription database file, default: db.json
• HTTP_INTERFACE - interface to bind to, default: 0.0.0.0
• HTTP_PORT - tcp port, default: 9911

Supported integrations

• Amazon SQS: aws-sqs://queueName?amazonSQSEndpoint=...&accessKey=&secretKey=
• RabbitMQ: rabbitmq://hostname[:port]/exchangeName[?options]
• HTTP: http:hostName[:port][/resourceUri][?options]
• File: file://tmp?fileName=sns1.txt
• Slack: slack:@username?webhookUrl=https://hooks.slack.com/services/aaa/bbb/ccc

See camel documentation for more details.

Note: Environment variables can be used to specify URIs via {{env:ENV_NAME}}.

Example: aws-sqs://{{env:QUEUE_NAME}}?amazonSQSEndpoint={{env:SQS_ENDPOINT}}&...

Example fake SQS integration:

Tested with elasticmq. See example/docker-compose.yml and example/config/db.json

docker run -d -p 9911:9911 -v "$PWD/example/config":/etc/sns s12v/sns

Development

Unit tests

sbt test

Integration tests

It's tested with AWS Ruby and PHP SDKs. Start elasticmq for SQS integration tests with

docker run -d -p 9324:9324 s12v/elasticmq

Ruby SDK tests:

bundle install
ENDPOINT=http://localhost:9911 bundle exec cucumber

PHP SDK tests:

composer install
./bin/behat