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logger_test.go
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logger_test.go
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package logmatic
import (
"bytes"
"fmt"
"github.com/stretchr/testify/assert"
"testing"
)
func mockPrint(buf *bytes.Buffer) {
printf = func(format string, a ...interface{}) (int, error) {
buf.WriteString(fmt.Sprintf(format, a...))
return 0, nil
}
}
func TestLogger_Trace_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.SetLevel(TRACE)
l.Trace("Trace")
assert.NotEmpty(t, buf)
}
func TestLogger_Trace_NoPrint(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.Trace("Trace")
assert.Empty(t, buf)
}
func TestLogger_Debug_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.SetLevel(DEBUG)
l.Debug("Debug")
assert.NotEmpty(t, buf)
}
func TestLogger_Debug_NoPrint(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.Debug("Debug")
assert.Empty(t, buf)
}
func TestLogger_Info_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.Info("Info")
assert.NotEmpty(t, buf)
}
func TestLogger_Info_NoPrint(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.SetLevel(WARN)
l.Info("Info")
assert.Empty(t, buf)
}
func TestLogger_Warn_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.Warn("Warn")
assert.NotEmpty(t, buf)
}
func TestLogger_Warn_NoPrint(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.SetLevel(ERROR)
l.Warn("Warn")
assert.Empty(t, buf)
}
func TestLogger_Error_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.Error("Error")
assert.NotEmpty(t, buf)
}
func TestLogger_Error_NoPrint(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
l := NewLogger()
l.SetLevel(FATAL)
l.Error("Error")
assert.Empty(t, buf)
}
func TestLogger_Fatal_Print(t *testing.T) {
var buf bytes.Buffer
mockPrint(&buf)
exit = func(code int) {}
l := NewLogger()
l.Fatal("Fatal")
assert.NotEmpty(t, buf)
}