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/*
* Copyright 2020 Dmitry Kann
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package util
import (
"errors"
"github.com/op/go-logging"
"testing"
)
type TestLogBackend struct {
logging.Leveled
level logging.Level
record *logging.Record
}
func (t *TestLogBackend) Log(level logging.Level, _ int, record *logging.Record) error {
t.level = level
t.record = record
return nil
}
func (t *TestLogBackend) reset() {
t.level = 0
t.record = nil
}
func Test_errCheck(t *testing.T) {
type args struct {
err error
message string
}
tests := []struct {
name string
args args
want bool
wantLevel logging.Level
wantMessage string
}{
{"no error", args{err: nil, message: "foo"}, false, 0, ""},
{"error", args{err: errors.New("boom"), message: "foo failed"}, true, logging.WARNING, "foo failed: boom"},
}
// Use a fake log backend for test
backend := &TestLogBackend{}
log.SetBackend(backend)
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
// Check the function
backend.reset()
if got := errCheck(tt.args.err, tt.args.message); got != tt.want {
t.Errorf("errCheck() = %v, want %v", got, tt.want)
}
// Check the logging
if backend.level != tt.wantLevel {
t.Errorf("errCheck() log level = %v, want %v", backend.level, tt.wantLevel)
}
if tt.wantMessage == "" {
if backend.record != nil {
t.Errorf("errCheck() log message must be nil but it's %v", backend.record.Message())
}
} else if backend.record.Message() != tt.wantMessage {
t.Errorf("errCheck() log message = %v, want %v", backend.record.Message(), tt.wantMessage)
}
})
}
}
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