Spring Boot API simulator.
A REST API which can be configured, as an API, with any given request/response behaviour.
To Build
mvn clean installl
or
./gradlew build
To run without Kafka integration
java -Dspring.profiles.active=noKafka -jar target/api-simulator-1.0.jar
or
java -Dspring.profiles.active=noKafka -jar build/libs/api-simulator-1.0.jarTo get the default simulator set-up - GET:http://localhost:8080/simulator
[
{
"httpStatus": "OK",
"requestBody": "{\"id\":3,\"name\":\"name\",\"description\":\"description\"}",
"responseBody": "{\"id\":3,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "POST",
"url": "/my-api/resource/3",
"kafkaMessage": {
"schema": "payments",
"topic": "payments",
"message": "{\"id\": \"6c5fb721-1616-47bf-a533-96f5f80d1299\", \"amount\": \"102\"}"
}
},
{
"httpStatus": "OK",
"responseBody": "{\"id\":2,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "GET",
"url": "/my-api/resource/2",
"kafkaMessage": {
"schema": "payments",
"topic": "payments",
"message": "{\"id\": \"3210722b-e782-4c81-9e5a-ff8d2e96940e\", \"amount\": \"102\"}"
},
"tryIt": "http://localhost:8080/my-api/resource/2"
},
{
"httpStatus": "OK",
"responseBody": "{\"id\":1,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "GET",
"url": "/my-api/resource/1",
"tryIt": "http://localhost:8080/my-api/resource/1"
}
]Try your API - GET:http://localhost:8080/my-api/resource/1
{
"id": 1,
"name": "name",
"description": "description"
}To update simulator set-up - POST:http://localhost:8080/simulator
[
{
"httpStatus": "OK",
"responseBody": "{\"id\":3,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "GET",
"url": "/my-api/resource/3"
},
{
"httpStatus": "OK",
"responseBody": "{\"id\":4,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "GET",
"url": "/my-api/resource/4",
"kafkaMessage": {
"schema": "payments",
"topic": "payments",
"message": "{\"id\": \"c0fe74ee-a948-49a5-b901-f189f66c659e\", \"amount\": \"102\"}"
}
},
{
"httpStatus": "OK",
"requestBody": "{\"id\":5,\"name\":\"name\",\"description\":\"description\"}",
"responseBody": "{\"id\":5,\"name\":\"name\",\"description\":\"description\"}",
"httpMethod": "POST",
"url": "/my-api/resource/5",
"kafkaMessage": {
"schema": "payments",
"topic": "payments",
"message": "{\"id\": \"4a7ac8c7-9c30-45a2-8277-b026fc99bf44\", \"amount\": \"102\"}"
}
}
]To run a specified definition The default simulator definition is taken from the file src/main/resources/simulatorDef.json to specify your own file:
java -DDEFINITION_FILE=simulatorDef2.json -jar target/api-simulator-1.0.jarTo run with Kafka and an AVRO Schema
The schema will be ignored if it already exists in the registry.
java -DAVRO_SCHEMA_FILE=target/test-classes/payment.avsc -jar target/api-simulator-1.0.jarDefault config for Kafka is set in the Spring Boot application.properties
kafka.bootstrapServers=localhost:9092
kafka.schemaRegistryUrl=http://localhost:8081
A quick way to get a complete Kafka & Schema Registry up and running is to run Confluent locally or run Confluent with Docker. This also gives you a nice front end that you can use to see Kafka messages.
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