pytest_httpx
gomega
pytest_httpx | gomega | |
---|---|---|
1 | 6 | |
308 | 2,079 | |
- | - | |
7.8 | 8.1 | |
6 days ago | 2 days ago | |
Python | Go | |
MIT License | MIT License |
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pytest_httpx
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Tips to prevent adoption of your API
I avoid writing automated tests that hit an external API - especially one out of my control - because I don't want my CI runs to ever fail because someone else's service wasn't responding. I want CI to be a completely closed box, such that any failures mean there's a bug in my code.
If I want to test external APIs I'll do that in a separate set of integration tests which are run as part of a separate system, not as part of my CI for every code commit to my repo.
I mostly use Python, and the APIs I talk to are mostly accessed via the requests or httpx libraries - both of which have excellent libraries for productive mocking:
- https://requests-mock.readthedocs.io/en/latest/pytest.html
- https://github.com/Colin-b/pytest_httpx
gomega
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Writing tests for a Kubernetes Operator
Gomega: is a test assertion library, a vital dependency on Ginkgo.
- Quick tip: Easy test assertions with Go generics
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Learning Go by examples: part 6 - Create a gRPC app in Go
Gomega is a Go library that allows you to make assertions. In our example, we check if what we got is null, not null, or equal to an exact value, but the gomega library is much richer than that.
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Tips to prevent adoption of your API
Depends on the API and how much testing you need. You want to test your code, not the API's availability or correctness.
But it can be as easy as using a fake http library and mocking the responses, or using a httptest server: https://onsi.github.io/gomega/#ghttp-testing-http-clients
If the API is complicated and you have to write your own fake server, that might not make sense for small projects.
- fluentassert - a prototype of yet another assertion library
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Go generics beyond the playground
If we do the count, we gather that subtest appear to solve five out of the six problems we identified with the assert library. At this point though, it's important to note that at the time when the assert package was designed, the sub-test feature in Go did not yet exist. Therefore it would have been impossible for that library to embed it into it's design. This is also true for when Gomega and Ginko where designed. If these test frameworks where created now, then most likely some parts of their design would have been done differently. What I am trying to say is that with even the slightest change in the Go language and standard library, completely new ways of designing programs become possible. Especially for new packages without any legacy use-cases to consider. And this brings us to generics.
What are some alternatives?
respx - Mock HTTPX with awesome request patterns and response side effects 🦋
Testify - A toolkit with common assertions and mocks that plays nicely with the standard library
hook-slinger - A generic service to send, retry, and manage webhooks
GoConvey - Go testing in the browser. Integrates with `go test`. Write behavioral tests in Go.
httpx-cache - Simple caching transport for httpx
godog - Cucumber for golang
pytest-sugar - a plugin for py.test that changes the default look and feel of py.test (e.g. progressbar, show tests that fail instantly)
assert - :exclamation:Basic Assertion Library used along side native go testing, with building blocks for custom assertions
goblin - Minimal and Beautiful Go testing framework
gocheck - Rich testing for the Go language
ginkgo - A Modern Testing Framework for Go
go-vcr - Record and replay your HTTP interactions for fast, deterministic and accurate tests