Add the canonical .golangci.yml (v2 schema, all linters enabled with a
small documented disable list) and pin the Dockerfile lint stage to
golangci/golangci-lint:v2.12.2 by tag and digest, replacing the old
v1.64.8 digest-only pin.
Fix all findings surfaced by the v1 to v2 jump without changing any
exported signatures or behavior:
- add package and exported-symbol doc comments (revive)
- rename unused handler parameters to underscore (revive)
- check or explicitly discard error returns (errcheck, errchkjson)
- wrap errors with %w instead of %v (err113)
- use http.NewRequestWithContext instead of http.Post (noctx)
- replace fmt.Println with fmt.Fprintln(os.Stdout, ...) (forbidigo)
- name magic numbers as constants (mnd)
- add explicit slog.LevelDebug case (exhaustive)
- interface{} to any (modernize)
- move tests to the simplelog_test package (testpackage) and add
t.Parallel() (paralleltest)
- move NewWebhookHandler above its methods (funcorder)
- whitespace, line-length, and blank-line fixes (wsl_v5, whitespace,
nlreturn, lll, embeddedstructfieldcheck)
- nolint with justification for the intentional init/global design
(gochecknoinits, gochecknoglobals) and interface-returning
constructor (ireturn)
39 lines
932 B
Go
39 lines
932 B
Go
package simplelog_test
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import (
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"log/slog"
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"testing"
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"time"
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"sneak.berlin/go/simplelog"
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)
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// TestJSONHandlerDeadlock verifies that JSONHandler.Handle does not deadlock
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// when the default slog handler routes log.Println back through slog.
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// On the unfixed code this test will hang (deadlock); with the fix it completes.
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func TestJSONHandlerDeadlock(t *testing.T) {
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t.Parallel()
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handler := simplelog.NewJSONHandler()
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// Set our handler as the default so log.Println routes through slog
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logger := slog.New(handler)
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slog.SetDefault(logger)
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done := make(chan struct{})
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go func() {
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// This call deadlocks on unfixed code because Handle() calls
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// log.Println() which re-enters slog → Handle() → log.Println() …
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slog.Info("test message")
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close(done)
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}()
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select {
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case <-done:
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// success
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case <-time.After(5 * time.Second):
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t.Fatal("JSONHandler.Handle deadlocked: timed out after 5 seconds")
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}
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}
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