1// Go support for Protocol Buffers - Google's data interchange format 2// 3// Copyright 2016 The Go Authors. All rights reserved. 4// https://github.com/golang/protobuf 5// 6// Redistribution and use in source and binary forms, with or without 7// modification, are permitted provided that the following conditions are 8// met: 9// 10// * Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// * Redistributions in binary form must reproduce the above 13// copyright notice, this list of conditions and the following disclaimer 14// in the documentation and/or other materials provided with the 15// distribution. 16// * Neither the name of Google Inc. nor the names of its 17// contributors may be used to endorse or promote products derived from 18// this software without specific prior written permission. 19// 20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32package ptypes 33 34import ( 35 "math" 36 "testing" 37 "time" 38 39 "github.com/golang/protobuf/proto" 40 tspb "github.com/golang/protobuf/ptypes/timestamp" 41) 42 43var tests = []struct { 44 ts *tspb.Timestamp 45 valid bool 46 t time.Time 47}{ 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)}, 76} 77 78func 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) 83 } 84 } 85} 86 87func 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) 94 } 95 } 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() 99 if got != want { 100 t.Errorf("Timestamp(nil) = %v, want %v", got, want) 101 } 102 if err == nil { 103 t.Errorf("Timestamp(nil) error = nil, expected error") 104 } 105} 106 107func 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) 114 } 115 } 116 // No corresponding special case here: no time.Time results in a nil Timestamp. 117} 118 119func TestTimestampString(t *testing.T) { 120 for _, test := range []struct { 121 ts *tspb.Timestamp 122 want string 123 }{ 124 // Not much testing needed because presumably time.Format is 125 // well-tested. 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)"}, 128 } { 129 got := TimestampString(test.ts) 130 if got != test.want { 131 t.Errorf("TimestampString(%v) = %q, want %q", test.ts, got, test.want) 132 } 133 } 134} 135 136func utcDate(year, month, day int) time.Time { 137 return time.Date(year, time.Month(month), day, 0, 0, 0, 0, time.UTC) 138} 139 140func TestTimestampNow(t *testing.T) { 141 // Bracket the expected time. 142 before := time.Now() 143 ts := TimestampNow() 144 after := time.Now() 145 146 tm, err := Timestamp(ts) 147 if err != nil { 148 t.Errorf("between %v and %v\nTimestampNow() = %v\nwhich is invalid (%v)", before, after, ts, err) 149 } 150 if tm.Before(before) || tm.After(after) { 151 t.Errorf("between %v and %v\nTimestamp(TimestampNow()) = %v", before, after, tm) 152 } 153} 154