47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
// Package aghtest contains utilities for testing.
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package aghtest
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import (
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"io"
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"os"
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"testing"
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"github.com/AdguardTeam/golibs/log"
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)
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// DiscardLogOutput runs tests with discarded logger output.
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func DiscardLogOutput(m *testing.M) {
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// TODO(e.burkov): Refactor code and tests to not use the global mutable
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// logger.
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log.SetOutput(io.Discard)
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os.Exit(m.Run())
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}
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// ReplaceLogWriter moves logger output to w and uses Cleanup method of t to
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// revert changes.
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func ReplaceLogWriter(t testing.TB, w io.Writer) {
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t.Helper()
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prev := log.Writer()
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t.Cleanup(func() { log.SetOutput(prev) })
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log.SetOutput(w)
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}
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// ReplaceLogLevel sets logging level to l and uses Cleanup method of t to
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// revert changes.
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func ReplaceLogLevel(t testing.TB, l log.Level) {
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t.Helper()
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switch l {
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case log.INFO, log.DEBUG, log.ERROR:
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// Go on.
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default:
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t.Fatalf("wrong l value (must be one of %v, %v, %v)", log.INFO, log.DEBUG, log.ERROR)
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}
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prev := log.GetLevel()
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t.Cleanup(func() { log.SetLevel(prev) })
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log.SetLevel(l)
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}
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