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package ln
import (
"bytes"
"context"
"fmt"
"testing"
"time"
)
var ctx context.Context
func setup(t *testing.T) (*bytes.Buffer, func()) {
ctx = context.Background()
out := bytes.Buffer{}
oldFilters := DefaultLogger.Filters
DefaultLogger.Filters = []Filter{NewWriterFilter(&out, nil)}
return &out, func() {
DefaultLogger.Filters = oldFilters
}
}
func TestSimpleError(t *testing.T) {
out, teardown := setup(t)
defer teardown()
Log(ctx, F{"err": fmt.Errorf("This is an Error!!!")}, F{"msg": "fooey", "bar": "foo"})
data := []string{
`err="This is an Error!!!"`,
`fooey`,
`bar=foo`,
}
for _, line := range data {
if !bytes.Contains(out.Bytes(), []byte(line)) {
t.Fatalf("Bytes: %s not in %s", line, out.Bytes())
}
}
}
func TestTimeConversion(t *testing.T) {
out, teardown := setup(t)
defer teardown()
var zeroTime time.Time
Log(ctx, F{"zero": zeroTime})
data := []string{
`zero=0001-01-01T00:00:00Z`,
}
for _, line := range data {
if !bytes.Contains(out.Bytes(), []byte(line)) {
t.Fatalf("Bytes: %s not in %s", line, out.Bytes())
}
}
}
func TestDebug(t *testing.T) {
out, teardown := setup(t)
defer teardown()
// set priority to Debug
Error(ctx, fmt.Errorf("This is an Error!!!"), F{})
data := []string{
`err="This is an Error!!!"`,
`_lineno=`,
`_function=ln.TestDebug`,
`_filename=github.com/Xe/ln/logger_test.go`,
`cause="This is an Error!!!"`,
}
for _, line := range data {
if !bytes.Contains(out.Bytes(), []byte(line)) {
t.Fatalf("Bytes: %s not in %s", line, out.Bytes())
}
}
}
func TestFer(t *testing.T) {
out, teardown := setup(t)
defer teardown()
underTest := foobar{Foo: 1, Bar: "quux"}
Log(ctx, underTest)
data := []string{
`foo=1`,
`bar=quux`,
}
for _, line := range data {
if !bytes.Contains(out.Bytes(), []byte(line)) {
t.Fatalf("Bytes: %s not in %s", line, out.Bytes())
}
}
}
type foobar struct {
Foo int
Bar string
}
func (f foobar) F() F {
return F{
"foo": f.Foo,
"bar": f.Bar,
}
}
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