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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package logpolicy
import (
"net/http"
"os"
"reflect"
"testing"
"tailscale.com/logtail"
)
func resetLogTarget() {
os.Unsetenv("TS_LOG_TARGET")
v := reflect.ValueOf(&getLogTargetOnce).Elem()
v.Set(reflect.Zero(v.Type()))
}
func TestLogHost(t *testing.T) {
defer resetLogTarget()
tests := []struct {
env string
want string
}{
{"", logtail.DefaultHost},
{"http://foo.com", "foo.com"},
{"https://foo.com", "foo.com"},
{"https://foo.com/", "foo.com"},
{"https://foo.com:123/", "foo.com"},
}
for _, tt := range tests {
resetLogTarget()
os.Setenv("TS_LOG_TARGET", tt.env)
if got := LogHost(); got != tt.want {
t.Errorf("for env %q, got %q, want %q", tt.env, got, tt.want)
}
}
}
func TestOptions(t *testing.T) {
defer resetLogTarget()
tests := []struct {
name string
opts func() Options
wantBaseURL string
}{
{
name: "default",
opts: func() Options { return Options{} },
wantBaseURL: "",
},
{
name: "custom_baseurl",
opts: func() Options {
os.Setenv("TS_LOG_TARGET", "http://localhost:1234")
return Options{}
},
wantBaseURL: "http://localhost:1234",
},
{
name: "custom_httpc_and_baseurl",
opts: func() Options {
os.Setenv("TS_LOG_TARGET", "http://localhost:12345")
return Options{HTTPC: &http.Client{Transport: noopPretendSuccessTransport{}}}
},
wantBaseURL: "http://localhost:12345",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
resetLogTarget()
config, policy := tt.opts().init(false)
if policy == nil {
t.Fatal("unexpected nil policy")
}
if config.BaseURL != tt.wantBaseURL {
t.Errorf("got %q, want %q", config.BaseURL, tt.wantBaseURL)
}
policy.Close()
})
}
}
// TestInvalidLogTarget is a test for #17792
func TestInvalidLogTarget(t *testing.T) {
defer resetLogTarget()
tests := []struct {
name string
logTarget string
}{
{
name: "invalid_url_no_scheme",
logTarget: "not a url at all",
},
{
name: "malformed_url",
logTarget: "ht!tp://invalid",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
resetLogTarget()
os.Setenv("TS_LOG_TARGET", tt.logTarget)
opts := Options{
Collection: "test.log.tailscale.io",
Logf: t.Logf,
}
// This should not panic even with invalid log target
config, policy := opts.init(false)
if policy == nil {
t.Fatal("expected non-nil policy")
}
defer policy.Close()
// When log target is invalid, it should fall back to the invalid value
// but not crash. BaseURL should remain empty
if config.BaseURL != "" {
t.Errorf("got BaseURL=%q, want empty", config.BaseURL)
}
})
}
}
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