_integration-tests/

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Published: Dec 3, 2020 License: Apache-2.0

README

integration-tests

These tests run baron against definition files and tests if the generated code behaves. Each test imports and uses service code generated by baron, but that code doesn't exist by default and must be generated before each test runs.

./transport

The transport directory contains tests for ensuring the generated HTTP client libraries and the generated gRPC client libraries all correctly communicate over their particular transport. Additionally, there are tests using the standard standard Go net/http module to ensure that HTTP transport operates in a sane way, even for requests not made with the generated HTTP client.

The test harness works as follows:

  • Runs baron against transport/transport-test.proto, which generates transport/transportpermutations-service
  • Copy transport/handlers into transport/transportpermutations-service
  • Run go test -v
  • Runs baron again against transport/transport-test.proto (for regeneration tests)
  • Run go test -v

transport/handlers has implemented handlers for the server. These test handlers implement some very basic functionality for the purposes of testing. This functionality is to 'add' various things together; concatenating two strings and returning the concatenated string, or adding two numbers together and returning the addition.

transport/setup_test.go sets up HTTP and gRPC servers with the methods for the test. Then each transport/{TRANSPORT}_test.go imports the generated code, runs requests against the server, checking for errors and that the input values add to the expected output value(s).

./middlewares

middlewares is very similar to transport, having prewritten handlers and middlewares, it generates a baron service and copies these into that service. Then it runs tests against the endpoints (avoiding the transport logic) to see if middlewares were correctly applied and/or excluded from the endpoints.

./cli

The baron CLI integration runner does the following tasks:

  • Runs baron on each service definition in cli/test_service_definitions
  • Builds the server and CLI client for each service
  • Runs the generated server
  • Runs the generated CLI client against the generated server
  • Passes if the server and CLI client were able to communicate. Fails if there were errors of any kind.

Note also that any additional CLI integration tests must have a package name TEST, all letters uppercase.

Directories

Path Synopsis
middlewares
transport

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