go-log/internal_flogger_test.go

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package flog
import (
"testing"
)
func TestNew(t *testing.T) {
flogger := New(NewDiscardingRouter())
if nil == flogger {
t.Errorf("Expected created flogger to not be nil, but was: %v", flogger)
}
}
func TestNewForContext(t *testing.T) {
tests := []struct{
Cascade []interface{}
Expected map[string]interface{}
}{
{
Cascade: []interface{}{},
Expected: map[string]interface{}{},
},
{
Cascade: []interface{}{
"apple",
},
Expected: map[string]interface{}{
"text":"apple",
},
},
{
Cascade: []interface{}{
"apple",
"banana",
},
Expected: map[string]interface{}{
"text":"banana",
},
},
{
Cascade: []interface{}{
"apple",
"banana",
"cherry",
},
Expected: map[string]interface{}{
"text":"cherry",
},
},
{
Cascade: []interface{}{
map[string]string{
},
},
Expected: map[string]interface{}{
},
},
{
Cascade: []interface{}{
map[string]string{
"apple":"one",
},
},
Expected: map[string]interface{}{
"apple":"one",
},
},
{
Cascade: []interface{}{
map[string]string{
"apple":"one",
"banana":"two",
},
},
Expected: map[string]interface{}{
"apple":"one",
"banana":"two",
},
},
{
Cascade: []interface{}{
map[string]string{
"apple":"one",
"banana":"two",
"cherry":"three",
},
},
Expected: map[string]interface{}{
"apple":"one",
"banana":"two",
"cherry":"three",
},
},
{
Cascade: []interface{}{
map[string]string{
"apple":"one",
"banana":"two",
"cherry":"three",
},
map[string]string{
"kiwi":"four",
"watermelon":"five",
},
},
Expected: map[string]interface{}{
"apple":"one",
"banana":"two",
"cherry":"three",
"kiwi":"four",
"watermelon":"five",
},
},
{
Cascade: []interface{}{
map[string]string{
"apple":"one",
"banana":"two",
"cherry":"three",
"fig":"THIS SHOULD BE REPLACED",
},
map[string]string{
"fig":"THIS SHOULD REMAIN",
"kiwi":"four",
"watermelon":"five",
},
},
Expected: map[string]interface{}{
"apple":"one",
"banana":"two",
"cherry":"three",
"fig":"THIS SHOULD REMAIN",
"kiwi":"four",
"watermelon":"five",
},
},
}
TestLoop:
for testNumber, test := range tests {
flogger := New(NewDiscardingRouter(), test.Cascade...)
context := flogger.(*internalFlogger).context
if expected, actual := len(test.Expected), len(context); expected != actual {
t.Errorf("For test #%d, expected length to be %d but actually was %d.", testNumber, expected, actual)
continue TestLoop
}
for expectedKey, expectedValue := range test.Expected {
if _, ok := context[expectedKey]; !ok {
t.Errorf("For test #%d, expected key %q to be in resulting context but wasn't.", testNumber, expectedKey)
continue TestLoop
}
if expected, actual := expectedValue, context[expectedKey]; expected != actual {
t.Errorf("For test #%d, expected value for key %q to be %q in resulting context, but was actually %q.", testNumber, expectedKey, expected, actual)
continue TestLoop
}
}
}
}
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func TestInternalFloggerRouteNilReceiver(t *testing.T) {
tests := []struct{
Message string
MoreContext map[string]interface{}
}{
{
Message: "",
MoreContext: nil,
},
{
Message: "",
MoreContext: map[string]interface{}{},
},
{
Message: "",
MoreContext: map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
},
{
Message: "Hello world!",
MoreContext: nil,
},
{
Message: "Hello world!",
MoreContext: map[string]interface{}{},
},
{
Message: "Hello world!",
MoreContext: map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
},
{
Message: " ",
MoreContext: nil,
},
{
Message: " ",
MoreContext: map[string]interface{}{},
},
{
Message: " ",
MoreContext: map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
},
{
Message: "one\ntwo\tthree\r\n",
MoreContext: nil,
},
{
Message: "one\ntwo\tthree\r\n",
MoreContext: map[string]interface{}{},
},
{
Message: "one\ntwo\tthree\r\n",
MoreContext: map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
},
}
for testNumber, test := range tests {
var flogger *internalFlogger = nil
err := flogger.route(test.Message, test.MoreContext)
if nil == err {
t.Errorf("For test #%d, expected an error, but did not actually get one: %v", testNumber, err)
continue
}
if expected, actual := errNilReceiver, err; expected != actual {
t.Errorf("For test #%d, expected an error (%T) %q, but actually got (%T) %q", testNumber, expected, expected, actual, actual)
continue
}
}
}
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func TestInternalFloggerRouteNilRouter(t *testing.T) {
moreContexts := []map[string]interface{}{
nil,
map[string]interface{}{},
map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
}
messages := []string{
"",
"Hello world!",
" ",
"one\ntwo\tthree\r\n",
}
tests := []struct{
Context map[string]interface{}
}{
{
Context: nil,
},
{
Context: map[string]interface{}{},
},
{
Context: map[string]interface{}{
"apple": "one",
"banana": 2,
"cherry": '3',
"kiwi": 4.0,
},
},
}
for testNumber, test := range tests {
var flogger internalFlogger
flogger.context = test.Context
flogger.router = nil
for messageNumber, message := range messages {
for moreContextNumber, moreContext := range moreContexts {
err := flogger.route(message, moreContext)
if nil == err {
t.Errorf("For test #%d and message #%d and more context #%d, expected an error, but did not actually get one: %v", testNumber, messageNumber, moreContextNumber, err)
continue
}
if expected, actual := errNilRouter, err; expected != actual {
t.Errorf("For test #%d and message #%d and more context #%d, expected an error (%T) %q, but actually got (%T) %q", testNumber, messageNumber, moreContextNumber, expected, expected, actual, actual)
continue
}
}
}
}
}