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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package timestamppb_test
import (
"math"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"google.golang.org/protobuf/internal/detrand"
"google.golang.org/protobuf/testing/protocmp"
tspb "google.golang.org/protobuf/types/known/timestamppb"
)
func init() {
detrand.Disable()
}
const (
minTimestamp = -62135596800 // Seconds between 1970-01-01T00:00:00Z and 0001-01-01T00:00:00Z, inclusive
maxTimestamp = +253402300799 // Seconds between 1970-01-01T00:00:00Z and 9999-12-31T23:59:59Z, inclusive
)
func TestToTimestamp(t *testing.T) {
tests := []struct {
in time.Time
want *tspb.Timestamp
}{
{in: time.Time{}, want: &tspb.Timestamp{Seconds: -62135596800, Nanos: 0}},
{in: time.Unix(0, 0), want: &tspb.Timestamp{Seconds: 0, Nanos: 0}},
{in: time.Unix(math.MinInt64, 0), want: &tspb.Timestamp{Seconds: math.MinInt64, Nanos: 0}},
{in: time.Unix(math.MaxInt64, 1e9-1), want: &tspb.Timestamp{Seconds: math.MaxInt64, Nanos: 1e9 - 1}},
{in: time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC), want: &tspb.Timestamp{Seconds: minTimestamp, Nanos: 0}},
{in: time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Add(-time.Nanosecond), want: &tspb.Timestamp{Seconds: minTimestamp - 1, Nanos: 1e9 - 1}},
{in: time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC), want: &tspb.Timestamp{Seconds: maxTimestamp, Nanos: 1e9 - 1}},
{in: time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC).Add(+time.Nanosecond), want: &tspb.Timestamp{Seconds: maxTimestamp + 1}},
{in: time.Date(1961, 1, 26, 0, 0, 0, 0, time.UTC), want: &tspb.Timestamp{Seconds: -281836800, Nanos: 0}},
{in: time.Date(2011, 1, 26, 0, 0, 0, 0, time.UTC), want: &tspb.Timestamp{Seconds: 1296000000, Nanos: 0}},
{in: time.Date(2011, 1, 26, 3, 25, 45, 940483, time.UTC), want: &tspb.Timestamp{Seconds: 1296012345, Nanos: 940483}},
}
for _, tt := range tests {
got := tspb.New(tt.in)
if diff := cmp.Diff(tt.want, got, protocmp.Transform()); diff != "" {
t.Errorf("New(%v) mismatch (-want +got):\n%s", tt.in, diff)
}
}
}
func TestFromTimestamp(t *testing.T) {
tests := []struct {
in *tspb.Timestamp
wantTime time.Time
wantErr error
}{
{in: nil, wantTime: time.Unix(0, 0), wantErr: textError("invalid nil Timestamp")},
{in: new(tspb.Timestamp), wantTime: time.Unix(0, 0)},
{in: &tspb.Timestamp{Seconds: -62135596800, Nanos: 0}, wantTime: time.Time{}},
{in: &tspb.Timestamp{Seconds: -1, Nanos: -1}, wantTime: time.Unix(-1, -1), wantErr: textError("timestamp (seconds:-1 nanos:-1) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: -1, Nanos: 0}, wantTime: time.Unix(-1, 0)},
{in: &tspb.Timestamp{Seconds: -1, Nanos: +1}, wantTime: time.Unix(-1, +1)},
{in: &tspb.Timestamp{Seconds: 0, Nanos: -1}, wantTime: time.Unix(0, -1), wantErr: textError("timestamp (nanos:-1) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: 0, Nanos: 0}, wantTime: time.Unix(0, 0)},
{in: &tspb.Timestamp{Seconds: 0, Nanos: +1}, wantTime: time.Unix(0, +1)},
{in: &tspb.Timestamp{Seconds: +1, Nanos: -1}, wantTime: time.Unix(+1, -1), wantErr: textError("timestamp (seconds:1 nanos:-1) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: +1, Nanos: 0}, wantTime: time.Unix(+1, 0)},
{in: &tspb.Timestamp{Seconds: +1, Nanos: +1}, wantTime: time.Unix(+1, +1)},
{in: &tspb.Timestamp{Seconds: -9876543210, Nanos: -1098765432}, wantTime: time.Unix(-9876543210, -1098765432), wantErr: textError("timestamp (seconds:-9876543210 nanos:-1098765432) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: +9876543210, Nanos: -1098765432}, wantTime: time.Unix(+9876543210, -1098765432), wantErr: textError("timestamp (seconds:9876543210 nanos:-1098765432) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: -9876543210, Nanos: +1098765432}, wantTime: time.Unix(-9876543210, +1098765432), wantErr: textError("timestamp (seconds:-9876543210 nanos:1098765432) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: +9876543210, Nanos: +1098765432}, wantTime: time.Unix(+9876543210, +1098765432), wantErr: textError("timestamp (seconds:9876543210 nanos:1098765432) has out-of-range nanos")},
{in: &tspb.Timestamp{Seconds: math.MinInt64, Nanos: 0}, wantTime: time.Unix(math.MinInt64, 0), wantErr: textError("timestamp (seconds:-9223372036854775808) before 0001-01-01")},
{in: &tspb.Timestamp{Seconds: math.MaxInt64, Nanos: 1e9 - 1}, wantTime: time.Unix(math.MaxInt64, 1e9-1), wantErr: textError("timestamp (seconds:9223372036854775807 nanos:999999999) after 9999-12-31")},
{in: &tspb.Timestamp{Seconds: minTimestamp, Nanos: 0}, wantTime: time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC)},
{in: &tspb.Timestamp{Seconds: minTimestamp - 1, Nanos: 1e9 - 1}, wantTime: time.Date(1, 1, 1, 0, 0, 0, 0, time.UTC).Add(-time.Nanosecond), wantErr: textError("timestamp (seconds:-62135596801 nanos:999999999) before 0001-01-01")},
{in: &tspb.Timestamp{Seconds: maxTimestamp, Nanos: 1e9 - 1}, wantTime: time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC)},
{in: &tspb.Timestamp{Seconds: maxTimestamp + 1}, wantTime: time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC).Add(+time.Nanosecond), wantErr: textError("timestamp (seconds:253402300800) after 9999-12-31")},
{in: &tspb.Timestamp{Seconds: -281836800, Nanos: 0}, wantTime: time.Date(1961, 1, 26, 0, 0, 0, 0, time.UTC)},
{in: &tspb.Timestamp{Seconds: 1296000000, Nanos: 0}, wantTime: time.Date(2011, 1, 26, 0, 0, 0, 0, time.UTC)},
{in: &tspb.Timestamp{Seconds: 1296012345, Nanos: 940483}, wantTime: time.Date(2011, 1, 26, 3, 25, 45, 940483, time.UTC)},
}
for _, tt := range tests {
gotTime := tt.in.AsTime()
if diff := cmp.Diff(tt.wantTime, gotTime); diff != "" {
t.Errorf("AsTime(%v) mismatch (-want +got):\n%s", tt.in, diff)
}
gotErr := tt.in.CheckValid()
if diff := cmp.Diff(tt.wantErr, gotErr, cmpopts.EquateErrors()); diff != "" {
t.Errorf("CheckValid(%v) mismatch (-want +got):\n%s", tt.in, diff)
}
}
}
type textError string
func (e textError) Error() string { return string(e) }
func (e textError) Is(err error) bool { return err != nil && strings.Contains(err.Error(), e.Error()) }