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tests(clustering/rpc): rpc mock/hook #14030

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tests(clustering/rpc): rpc mock/hook #14030

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StarlightIbuki
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Summary

RPC needs mock tests

Checklist

  • The Pull Request has tests
  • A changelog file has been created under changelog/unreleased/kong or skip-changelog label added on PR if changelog is unnecessary. README.md

Issue reference

Fix KAG-5551

@github-actions github-actions bot added the cherry-pick kong-ee schedule this PR for cherry-picking to kong/kong-ee label Dec 17, 2024
@chronolaw chronolaw self-requested a review December 18, 2024 07:30
@chronolaw chronolaw changed the title tests(rpc): rpc mock/hook tests(clustering/rpc): rpc mock/hook Dec 18, 2024
@StarlightIbuki StarlightIbuki force-pushed the rpc-mock branch 2 times, most recently from c79e2be to 5438bcc Compare December 18, 2024 07:57
config = {},
})

assert(helpers.start_kong(self))
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@chobits chobits Dec 18, 2024

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start a mock cp to proxy client's rpc request to DP


assert(helpers.start_kong(self))

self.proxy_client = client.new({
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client -> mock cp --> tested DP

self:enable_inception()
end

self.proxy_client.callbacks:register("kong.rpc.proxy.mock", function(proxy_id, proxy_payload)
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mock cp will rpc call this callback to forward [the RPC call request from tested DP] to [client]

server_mock = server.new()
assert(server_mock:start())

assert(helpers.start_kong({
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@chobits chobits Dec 18, 2024

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TODO: add a comment to explain this is.a tested DP

spec/02-integration/01-helpers/05-rpc-mock_spec.lua Outdated Show resolved Hide resolved
spec/01-unit/19-hybrid/04-rpc_spec.lua Outdated Show resolved Hide resolved
spec/01-unit/19-hybrid/04-rpc_spec.lua Outdated Show resolved Hide resolved
spec/02-integration/01-helpers/05-rpc-mock_spec.lua Outdated Show resolved Hide resolved
spec/01-unit/19-hybrid/04-rpc_spec.lua Outdated Show resolved Hide resolved
spec/helpers/rpc_mock/client.lua Outdated Show resolved Hide resolved
Comment on lines +73 to +76
local prehook = self.prehooks[method] or self.prehooks["*"]
local posthook = self.posthooks[method] or self.posthooks["*"]
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need add some comment for prehook and post hook

local helpers = require("spec.helpers")
local client = require("spec.helpers.rpc_mock.client")
local default_cert = require("spec.helpers.rpc_mock.default").default_cert

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@chobits chobits Dec 19, 2024

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I strongly recommend you to write a callback and diagram in the comment like, or you could write a design doc

-- Diagram:
-- 
-- mock client -> mock server -> tested DP
-- 
-- Callback chains:
--
-- func1
--  -> func2
--   -> func3 ...

otherwise other developers or reviewers find it hard to understand, today i talked with @chronolaw , he found it hard to understand what the server.lua does here.

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@chobits chobits Dec 19, 2024

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a good way is that you could write a test case to run this mock client -> mock server -> tested DP progress, i find there is no case for mock server<>tested DP. Then we could explain the progress with that case, that might be easy to understand for reviewers.

@StarlightIbuki StarlightIbuki force-pushed the rpc-mock branch 7 times, most recently from 948243c to 0174ea2 Compare December 24, 2024 02:26
spec/internal/misc.lua Outdated Show resolved Hide resolved
Co-authored-by: Chrono <chrono_cpp@me.com>
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3 participants