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// 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 bsoncodec
import (
"reflect"
"testing"
"time"
"go.mongodb.org/mongo-driver/bson/bsonoptions"
"go.mongodb.org/mongo-driver/bson/bsonrw/bsonrwtest"
"go.mongodb.org/mongo-driver/bson/bsontype"
"go.mongodb.org/mongo-driver/internal/testutil/assert"
"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
)
func TestTimeCodec(t *testing.T) {
now := time.Now().Truncate(time.Millisecond)
t.Run("UseLocalTimeZone", func(t *testing.T) {
reader := &bsonrwtest.ValueReaderWriter{BSONType: bsontype.DateTime, Return: now.UnixNano() / int64(time.Millisecond)}
testCases := []struct {
name string
opts *bsonoptions.TimeCodecOptions
utc bool
}{
{"default", bsonoptions.TimeCodec(), true},
{"false", bsonoptions.TimeCodec().SetUseLocalTimeZone(false), true},
{"true", bsonoptions.TimeCodec().SetUseLocalTimeZone(true), false},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
timeCodec := NewTimeCodec(tc.opts)
actual := reflect.New(reflect.TypeOf(now)).Elem()
err := 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())
assert.Equal(t, now, actualTime, "expected time %v, got %v", now, actualTime)
})
}
})
t.Run("DecodeFromBsontype", func(t *testing.T) {
testCases := []struct {
name string
reader *bsonrwtest.ValueReaderWriter
}{
{"string", &bsonrwtest.ValueReaderWriter{BSONType: bsontype.String, Return: now.Format(timeFormatString)}},
{"int64", &bsonrwtest.ValueReaderWriter{BSONType: bsontype.Int64, Return: now.Unix()*1000 + int64(now.Nanosecond()/1e6)}},
{"timestamp", &bsonrwtest.ValueReaderWriter{BSONType: bsontype.Timestamp,
Return: bsoncore.Value{
Type: bsontype.Timestamp,
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 := defaultTimeCodec.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)
}
assert.Equal(t, now, actualTime, "expected time %v, got %v", now, actualTime)
})
}
})
}
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