mirror of
https://github.com/binwiederhier/ntfy.git
synced 2024-05-03 03:53:07 +12:00
304 lines
9.2 KiB
Go
304 lines
9.2 KiB
Go
package log
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import (
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"bytes"
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"encoding/json"
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"github.com/stretchr/testify/require"
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"io"
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"log"
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"os"
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"path/filepath"
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"testing"
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"time"
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)
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func TestMain(m *testing.M) {
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exitCode := m.Run()
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resetState()
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SetLevel(ErrorLevel) // For other modules!
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os.Exit(exitCode)
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}
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func TestLog_TagContextFieldFields(t *testing.T) {
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t.Cleanup(resetState)
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v := &fakeVisitor{
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UserID: "u_abc",
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IP: "1.2.3.4",
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}
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err := &fakeError{
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Code: 123,
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Message: "some error",
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}
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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SetLevelOverride("tag", "stripe", DebugLevel)
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SetLevelOverride("number", "5", DebugLevel)
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Tag("mytag").
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Field("field2", 123).
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Field("field1", "value1").
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Time(time.Unix(123, 999000000).UTC()).
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Info("hi there %s", "phil")
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Tag("not-stripe").
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Debug("this message will not appear")
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With(v).
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Fields(Context{
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"stripe_customer_id": "acct_123",
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"stripe_subscription_id": "sub_123",
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}).
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Tag("stripe").
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Err(err).
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Time(time.Unix(456, 123000000).UTC()).
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Debug("Subscription status %s", "active")
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Field("number", 5).
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Time(time.Unix(777, 001000000).UTC()).
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Debug("The number 5 is an int, but the level override is a string")
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expected := `{"time":"1970-01-01T00:02:03.999Z","level":"INFO","message":"hi there phil","field1":"value1","field2":123,"tag":"mytag"}
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{"time":"1970-01-01T00:07:36.123Z","level":"DEBUG","message":"Subscription status active","error":"some error","error_code":123,"stripe_customer_id":"acct_123","stripe_subscription_id":"sub_123","tag":"stripe","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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{"time":"1970-01-01T00:12:57Z","level":"DEBUG","message":"The number 5 is an int, but the level override is a string","number":5}
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`
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require.Equal(t, expected, out.String())
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}
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func TestLog_NoAllocIfNotPrinted(t *testing.T) {
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t.Cleanup(resetState)
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v := &fakeVisitor{
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UserID: "u_abc",
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IP: "1.2.3.4",
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}
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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// Do not log, do not call contexters (because global level is INFO)
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v.contextCalled = false
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ev := With(v)
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ev.Debug("some message")
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require.False(t, v.contextCalled)
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require.Equal(t, "", ev.Timestamp)
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require.Equal(t, Level(0), ev.Level)
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require.Equal(t, "", ev.Message)
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require.Nil(t, ev.fields)
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// Logged because info level, contexters called
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v.contextCalled = false
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ev = With(v).Time(time.Unix(1111, 0).UTC())
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ev.Info("some message")
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require.True(t, v.contextCalled)
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require.NotNil(t, ev.fields)
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require.Equal(t, "1.2.3.4", ev.fields["visitor_ip"])
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// Not logged, but contexters called, because overrides exist
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SetLevel(DebugLevel)
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SetLevelOverride("tag", "overridetag", TraceLevel)
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v.contextCalled = false
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ev = Tag("sometag").Field("field", "value").With(v).Time(time.Unix(123, 0).UTC())
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ev.Trace("some debug message")
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require.True(t, v.contextCalled) // If there are overrides, we must call the context to determine the filter fields
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require.Equal(t, "", ev.Timestamp)
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require.Equal(t, Level(0), ev.Level)
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require.Equal(t, "", ev.Message)
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require.Equal(t, 4, len(ev.fields))
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require.Equal(t, "value", ev.fields["field"])
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require.Equal(t, "sometag", ev.fields["tag"])
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// Logged because of override tag, and contexters called
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v.contextCalled = false
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ev = Tag("overridetag").Field("field", "value").With(v).Time(time.Unix(123, 0).UTC())
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ev.Trace("some trace message")
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require.True(t, v.contextCalled)
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require.Equal(t, "1970-01-01T00:02:03Z", ev.Timestamp)
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require.Equal(t, TraceLevel, ev.Level)
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require.Equal(t, "some trace message", ev.Message)
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// Logged because of field override, and contexters called
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ResetLevelOverrides()
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SetLevelOverride("visitor_ip", "1.2.3.4", TraceLevel)
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v.contextCalled = false
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ev = With(v).Time(time.Unix(124, 0).UTC())
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ev.Trace("some trace message with override")
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require.True(t, v.contextCalled)
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require.Equal(t, "1970-01-01T00:02:04Z", ev.Timestamp)
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require.Equal(t, TraceLevel, ev.Level)
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require.Equal(t, "some trace message with override", ev.Message)
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expected := `{"time":"1970-01-01T00:18:31Z","level":"INFO","message":"some message","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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{"time":"1970-01-01T00:02:03Z","level":"TRACE","message":"some trace message","field":"value","tag":"overridetag","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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{"time":"1970-01-01T00:02:04Z","level":"TRACE","message":"some trace message with override","user_id":"u_abc","visitor_ip":"1.2.3.4"}
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`
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require.Equal(t, expected, out.String())
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}
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func TestLog_Timing(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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Timing(func() { time.Sleep(300 * time.Millisecond) }).
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Time(time.Unix(12, 0).UTC()).
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Info("A thing that takes a while")
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var ev struct {
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TimeTakenMs int64 `json:"time_taken_ms"`
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}
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require.Nil(t, json.Unmarshal(out.Bytes(), &ev))
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require.True(t, ev.TimeTakenMs >= 300)
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require.Contains(t, out.String(), `{"time":"1970-01-01T00:00:12Z","level":"INFO","message":"A thing that takes a while","time_taken_ms":`)
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}
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func TestLog_LevelOverrideAny(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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SetLevelOverride("this_one", "", DebugLevel)
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SetLevelOverride("time_taken_ms", "", TraceLevel)
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Time(time.Unix(11, 0).UTC()).Field("this_one", "11").Debug("this is logged")
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Time(time.Unix(12, 0).UTC()).Field("not_this", "11").Debug("this is not logged")
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Time(time.Unix(13, 0).UTC()).Field("this_too", "11").Info("this is also logged")
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Time(time.Unix(14, 0).UTC()).Field("time_taken_ms", 0).Info("this is also logged")
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expected := `{"time":"1970-01-01T00:00:11Z","level":"DEBUG","message":"this is logged","this_one":"11"}
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{"time":"1970-01-01T00:00:13Z","level":"INFO","message":"this is also logged","this_too":"11"}
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{"time":"1970-01-01T00:00:14Z","level":"INFO","message":"this is also logged","time_taken_ms":0}
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`
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require.Equal(t, expected, out.String())
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require.False(t, IsFile())
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require.Equal(t, "", File())
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}
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func TestLog_LevelOverride_ManyOnSameField(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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SetLevelOverride("tag", "manager", DebugLevel)
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SetLevelOverride("tag", "publish", DebugLevel)
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Time(time.Unix(11, 0).UTC()).Field("tag", "manager").Debug("this is logged")
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Time(time.Unix(12, 0).UTC()).Field("tag", "no-match").Debug("this is not logged")
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Time(time.Unix(13, 0).UTC()).Field("tag", "publish").Info("this is also logged")
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expected := `{"time":"1970-01-01T00:00:11Z","level":"DEBUG","message":"this is logged","tag":"manager"}
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{"time":"1970-01-01T00:00:13Z","level":"INFO","message":"this is also logged","tag":"publish"}
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`
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require.Equal(t, expected, out.String())
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require.False(t, IsFile())
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require.Equal(t, "", File())
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}
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func TestLog_FieldIf(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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SetLevel(DebugLevel)
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SetFormat(JSONFormat)
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Time(time.Unix(11, 0).UTC()).
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FieldIf("trace_field", "manager", TraceLevel). // This is not logged
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Field("tag", "manager").
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Debug("trace_field is not logged")
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SetLevel(TraceLevel)
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Time(time.Unix(12, 0).UTC()).
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FieldIf("trace_field", "manager", TraceLevel). // Now it is logged
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Field("tag", "manager").
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Debug("trace_field is logged")
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expected := `{"time":"1970-01-01T00:00:11Z","level":"DEBUG","message":"trace_field is not logged","tag":"manager"}
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{"time":"1970-01-01T00:00:12Z","level":"DEBUG","message":"trace_field is logged","tag":"manager","trace_field":"manager"}
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`
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require.Equal(t, expected, out.String())
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}
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func TestLog_UsingStdLogger_JSON(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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SetFormat(JSONFormat)
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log.Println("Some other library is using the standard Go logger")
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require.Contains(t, out.String(), `,"level":"INFO","message":"Some other library is using the standard Go logger","tag":"stdlog"}`+"\n")
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}
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func TestLog_UsingStdLogger_Text(t *testing.T) {
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t.Cleanup(resetState)
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var out bytes.Buffer
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SetOutput(&out)
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log.Println("Some other library is using the standard Go logger")
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require.Contains(t, out.String(), `Some other library is using the standard Go logger`+"\n")
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require.NotContains(t, out.String(), `{`)
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}
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func TestLog_File(t *testing.T) {
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t.Cleanup(resetState)
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logfile := filepath.Join(t.TempDir(), "ntfy.log")
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f, err := os.OpenFile(logfile, os.O_CREATE|os.O_WRONLY, 0600)
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require.Nil(t, err)
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SetOutput(f)
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SetFormat(JSONFormat)
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require.True(t, IsFile())
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require.Equal(t, logfile, File())
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Time(time.Unix(11, 0).UTC()).Field("this_one", "11").Info("this is logged")
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require.Nil(t, f.Close())
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f, err = os.Open(logfile)
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require.Nil(t, err)
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contents, err := io.ReadAll(f)
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require.Nil(t, err)
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require.Equal(t, `{"time":"1970-01-01T00:00:11Z","level":"INFO","message":"this is logged","this_one":"11"}`+"\n", string(contents))
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}
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type fakeError struct {
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Code int
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Message string
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}
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func (e fakeError) Error() string {
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return e.Message
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}
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func (e fakeError) Context() Context {
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return Context{
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"error": e.Message,
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"error_code": e.Code,
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}
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}
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type fakeVisitor struct {
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UserID string
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IP string
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contextCalled bool
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}
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func (v *fakeVisitor) Context() Context {
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v.contextCalled = true
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return Context{
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"user_id": v.UserID,
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"visitor_ip": v.IP,
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}
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}
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func resetState() {
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SetLevel(DefaultLevel)
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SetFormat(DefaultFormat)
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SetOutput(DefaultOutput)
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ResetLevelOverrides()
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}
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