54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
// Package aghtest contains utilities for testing.
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package aghtest
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import (
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"crypto/sha256"
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"io"
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"net"
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"testing"
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"github.com/AdguardTeam/golibs/log"
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)
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const (
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// ReqHost is the common request host for filtering tests.
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ReqHost = "www.host.example"
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// ReqFQDN is the common request FQDN for filtering tests.
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ReqFQDN = ReqHost + "."
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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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// HostToIPs is a helper that generates one IPv4 and one IPv6 address from host.
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func HostToIPs(host string) (ipv4, ipv6 net.IP) {
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hash := sha256.Sum256([]byte(host))
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return net.IP(hash[:4]), net.IP(hash[4:20])
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}
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