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// Copyright 2016 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 ptypes
import (
"math"
"testing"
"time"
"github.com/golang/protobuf/proto"
tspb "github.com/golang/protobuf/ptypes/timestamp"
)
var tests = []struct {
ts *tspb.Timestamp
valid bool
t time.Time
}{
// The timestamp representing the Unix epoch date.
{&tspb.Timestamp{Seconds: 0, Nanos: 0}, true, utcDate(1970, 1, 1)},
// The smallest representable timestamp.
{&tspb.Timestamp{Seconds: math.MinInt64, Nanos: math.MinInt32}, false,
time.Unix(math.MinInt64, math.MinInt32).UTC()},
// The smallest representable timestamp with non-negative nanos.
{&tspb.Timestamp{Seconds: math.MinInt64, Nanos: 0}, false, time.Unix(math.MinInt64, 0).UTC()},
// The earliest valid timestamp.
{&tspb.Timestamp{Seconds: minValidSeconds, Nanos: 0}, true, utcDate(1, 1, 1)},
//"0001-01-01T00:00:00Z"},
// The largest representable timestamp.
{&tspb.Timestamp{Seconds: math.MaxInt64, Nanos: math.MaxInt32}, false,
time.Unix(math.MaxInt64, math.MaxInt32).UTC()},
// The largest representable timestamp with nanos in range.
{&tspb.Timestamp{Seconds: math.MaxInt64, Nanos: 1e9 - 1}, false,
time.Unix(math.MaxInt64, 1e9-1).UTC()},
// The largest valid timestamp.
{&tspb.Timestamp{Seconds: maxValidSeconds - 1, Nanos: 1e9 - 1}, true,
time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC)},
// The smallest invalid timestamp that is larger than the valid range.
{&tspb.Timestamp{Seconds: maxValidSeconds, Nanos: 0}, false, time.Unix(maxValidSeconds, 0).UTC()},
// A date before the epoch.
{&tspb.Timestamp{Seconds: -281836800, Nanos: 0}, true, utcDate(1961, 1, 26)},
// A date after the epoch.
{&tspb.Timestamp{Seconds: 1296000000, Nanos: 0}, true, utcDate(2011, 1, 26)},
// A date after the epoch, in the middle of the day.
{&tspb.Timestamp{Seconds: 1296012345, Nanos: 940483}, true,
time.Date(2011, 1, 26, 3, 25, 45, 940483, time.UTC)},
}
func TestValidateTimestamp(t *testing.T) {
for _, s := range tests {
got := validateTimestamp(s.ts)
if (got == nil) != s.valid {
t.Errorf("validateTimestamp(%v) = %v, want %v", s.ts, got, s.valid)
}
}
}
func TestTimestamp(t *testing.T) {
for _, s := range tests {
got, err := Timestamp(s.ts)
if (err == nil) != s.valid {
t.Errorf("Timestamp(%v) error = %v, but valid = %t", s.ts, err, s.valid)
} else if s.valid && got != s.t {
t.Errorf("Timestamp(%v) = %v, want %v", s.ts, got, s.t)
}
}
// Special case: a nil Timestamp is an error, but returns the 0 Unix time.
got, err := Timestamp(nil)
want := time.Unix(0, 0).UTC()
if got != want {
t.Errorf("Timestamp(nil) = %v, want %v", got, want)
}
if err == nil {
t.Errorf("Timestamp(nil) error = nil, expected error")
}
}
func TestTimestampProto(t *testing.T) {
for _, s := range tests {
got, err := TimestampProto(s.t)
if (err == nil) != s.valid {
t.Errorf("TimestampProto(%v) error = %v, but valid = %t", s.t, err, s.valid)
} else if s.valid && !proto.Equal(got, s.ts) {
t.Errorf("TimestampProto(%v) = %v, want %v", s.t, got, s.ts)
}
}
// No corresponding special case here: no time.Time results in a nil Timestamp.
}
func TestTimestampString(t *testing.T) {
for _, test := range []struct {
ts *tspb.Timestamp
want string
}{
// Not much testing needed because presumably time.Format is
// well-tested.
{&tspb.Timestamp{Seconds: 0, Nanos: 0}, "1970-01-01T00:00:00Z"},
} {
got := TimestampString(test.ts)
if got != test.want {
t.Errorf("TimestampString(%v) = %q, want %q", test.ts, got, test.want)
}
}
}
func utcDate(year, month, day int) time.Time {
return time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC)
}
func TestTimestampNow(t *testing.T) {
// Bracket the expected time.
before := time.Now()
ts := TimestampNow()
after := time.Now()
tm, err := Timestamp(ts)
if err != nil {
t.Errorf("between %v and %v\nTimestampNow() = %v\nwhich is invalid (%v)", before, after, ts, err)
}
if tm.Before(before) || tm.After(after) {
t.Errorf("between %v and %v\nTimestamp(TimestampNow()) = %v", before, after, tm)
}
}