e2e integration tests with docker and testcontainers #753
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I would like to introduce first step end-to-end integration tests. We do already have good basic unit test coverage, but I think we should also test more complex scenarios with real running system and external dependencies.
Basic idea:
I created a project DNS MOKKA which can be used as external upstream DNS server. This tool returns predefined answers (DNS responses, DNS errors or answers with delay), so it is easy to assert results.
This PR adds basic tests with all external services (mostly only happy path).
Tests can be execution with
make e2e-test
GitHub action executes all e2e-tests on each push and PR
Opinions, ideas and suggestions are welcome 🤝