1 // Go support for Protocol Buffers - Google's data interchange format
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4 // https://github.com/golang/protobuf
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39 "github.com/golang/protobuf/proto"
40 tspb "github.com/golang/protobuf/ptypes/timestamp"
43 var tests = []struct {
48 // The timestamp representing the Unix epoch date.
49 {&tspb.Timestamp{Seconds: 0, Nanos: 0}, true, utcDate(1970, 1, 1)},
50 // The smallest representable timestamp.
51 {&tspb.Timestamp{Seconds: math.MinInt64, Nanos: math.MinInt32}, false,
52 time.Unix(math.MinInt64, math.MinInt32).UTC()},
53 // The smallest representable timestamp with non-negative nanos.
54 {&tspb.Timestamp{Seconds: math.MinInt64, Nanos: 0}, false, time.Unix(math.MinInt64, 0).UTC()},
55 // The earliest valid timestamp.
56 {&tspb.Timestamp{Seconds: minValidSeconds, Nanos: 0}, true, utcDate(1, 1, 1)},
57 //"0001-01-01T00:00:00Z"},
58 // The largest representable timestamp.
59 {&tspb.Timestamp{Seconds: math.MaxInt64, Nanos: math.MaxInt32}, false,
60 time.Unix(math.MaxInt64, math.MaxInt32).UTC()},
61 // The largest representable timestamp with nanos in range.
62 {&tspb.Timestamp{Seconds: math.MaxInt64, Nanos: 1e9 - 1}, false,
63 time.Unix(math.MaxInt64, 1e9-1).UTC()},
64 // The largest valid timestamp.
65 {&tspb.Timestamp{Seconds: maxValidSeconds - 1, Nanos: 1e9 - 1}, true,
66 time.Date(9999, 12, 31, 23, 59, 59, 1e9-1, time.UTC)},
67 // The smallest invalid timestamp that is larger than the valid range.
68 {&tspb.Timestamp{Seconds: maxValidSeconds, Nanos: 0}, false, time.Unix(maxValidSeconds, 0).UTC()},
69 // A date before the epoch.
70 {&tspb.Timestamp{Seconds: -281836800, Nanos: 0}, true, utcDate(1961, 1, 26)},
71 // A date after the epoch.
72 {&tspb.Timestamp{Seconds: 1296000000, Nanos: 0}, true, utcDate(2011, 1, 26)},
73 // A date after the epoch, in the middle of the day.
74 {&tspb.Timestamp{Seconds: 1296012345, Nanos: 940483}, true,
75 time.Date(2011, 1, 26, 3, 25, 45, 940483, time.UTC)},
78 func TestValidateTimestamp(t *testing.T) {
79 for _, s := range tests {
80 got := validateTimestamp(s.ts)
81 if (got == nil) != s.valid {
82 t.Errorf("validateTimestamp(%v) = %v, want %v", s.ts, got, s.valid)
87 func TestTimestamp(t *testing.T) {
88 for _, s := range tests {
89 got, err := Timestamp(s.ts)
90 if (err == nil) != s.valid {
91 t.Errorf("Timestamp(%v) error = %v, but valid = %t", s.ts, err, s.valid)
92 } else if s.valid && got != s.t {
93 t.Errorf("Timestamp(%v) = %v, want %v", s.ts, got, s.t)
96 // Special case: a nil Timestamp is an error, but returns the 0 Unix time.
97 got, err := Timestamp(nil)
98 want := time.Unix(0, 0).UTC()
100 t.Errorf("Timestamp(nil) = %v, want %v", got, want)
103 t.Errorf("Timestamp(nil) error = nil, expected error")
107 func TestTimestampProto(t *testing.T) {
108 for _, s := range tests {
109 got, err := TimestampProto(s.t)
110 if (err == nil) != s.valid {
111 t.Errorf("TimestampProto(%v) error = %v, but valid = %t", s.t, err, s.valid)
112 } else if s.valid && !proto.Equal(got, s.ts) {
113 t.Errorf("TimestampProto(%v) = %v, want %v", s.t, got, s.ts)
116 // No corresponding special case here: no time.Time results in a nil Timestamp.
119 func TestTimestampString(t *testing.T) {
120 for _, test := range []struct {
124 // Not much testing needed because presumably time.Format is
126 {&tspb.Timestamp{Seconds: 0, Nanos: 0}, "1970-01-01T00:00:00Z"},
127 {&tspb.Timestamp{Seconds: minValidSeconds - 1, Nanos: 0}, "(timestamp: seconds:-62135596801 before 0001-01-01)"},
129 got := TimestampString(test.ts)
130 if got != test.want {
131 t.Errorf("TimestampString(%v) = %q, want %q", test.ts, got, test.want)
136 func utcDate(year, month, day int) time.Time {
137 return time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC)
140 func TestTimestampNow(t *testing.T) {
141 // Bracket the expected time.
146 tm, err := Timestamp(ts)
148 t.Errorf("between %v and %v\nTimestampNow() = %v\nwhich is invalid (%v)", before, after, ts, err)
150 if tm.Before(before) || tm.After(after) {
151 t.Errorf("between %v and %v\nTimestamp(TimestampNow()) = %v", before, after, tm)