bson/bson_time_codec_test.go

82 lines
2.6 KiB
Go

// Copyright (C) MongoDB, Inc. 2017-present.
//
// 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
package bson
import (
"reflect"
"testing"
"time"
"gitea.psichedelico.com/go/bson/internal/assert"
"gitea.psichedelico.com/go/bson/x/bsonx/bsoncore"
)
func TestTimeCodec(t *testing.T) {
now := time.Now().Truncate(time.Millisecond)
t.Run("UseLocalTimeZone", func(t *testing.T) {
reader := &valueReaderWriter{BSONType: TypeDateTime, Return: now.UnixNano() / int64(time.Millisecond)}
testCases := []struct {
name string
timeCodec *timeCodec
utc bool
}{
{"default", &timeCodec{}, true},
{"false", &timeCodec{useLocalTimeZone: false}, true},
{"true", &timeCodec{useLocalTimeZone: true}, false},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actual := reflect.New(reflect.TypeOf(now)).Elem()
err := tc.timeCodec.DecodeValue(DecodeContext{}, reader, actual)
assert.Nil(t, err, "TimeCodec.DecodeValue error: %v", err)
actualTime := actual.Interface().(time.Time)
assert.Equal(t, actualTime.Location().String() == "UTC", tc.utc,
"Expected UTC: %v, got %v", tc.utc, actualTime.Location())
if tc.utc {
nowUTC := now.UTC()
assert.Equal(t, nowUTC, actualTime, "expected time %v, got %v", nowUTC, actualTime)
} else {
assert.Equal(t, now, actualTime, "expected time %v, got %v", now, actualTime)
}
})
}
})
t.Run("DecodeFromBsontype", func(t *testing.T) {
testCases := []struct {
name string
reader *valueReaderWriter
}{
{"string", &valueReaderWriter{BSONType: TypeString, Return: now.Format(timeFormatString)}},
{"int64", &valueReaderWriter{BSONType: TypeInt64, Return: now.Unix()*1000 + int64(now.Nanosecond()/1e6)}},
{"timestamp", &valueReaderWriter{BSONType: TypeTimestamp,
Return: bsoncore.Value{
Type: bsoncore.TypeTimestamp,
Data: bsoncore.AppendTimestamp(nil, uint32(now.Unix()), 0),
}},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
actual := reflect.New(reflect.TypeOf(now)).Elem()
err := (&timeCodec{}).DecodeValue(DecodeContext{}, tc.reader, actual)
assert.Nil(t, err, "DecodeValue error: %v", err)
actualTime := actual.Interface().(time.Time)
if tc.name == "timestamp" {
now = time.Unix(now.Unix(), 0)
}
nowUTC := now.UTC()
assert.Equal(t, nowUTC, actualTime, "expected time %v, got %v", nowUTC, actualTime)
})
}
})
}