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// Copyright 2013 The Prometheus Authors
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import (
"testing"
"time"
)
func TestComparators(t *testing.T) {
t1a := TimeFromUnix(0)
t1b := TimeFromUnix(0)
t2 := TimeFromUnix(2*second - 1)
if !t1a.Equal(t1b) {
t.Fatalf("Expected %s to be equal to %s", t1a, t1b)
}
if t1a.Equal(t2) {
t.Fatalf("Expected %s to not be equal to %s", t1a, t2)
}
if !t1a.Before(t2) {
t.Fatalf("Expected %s to be before %s", t1a, t2)
}
if t1a.Before(t1b) {
t.Fatalf("Expected %s to not be before %s", t1a, t1b)
}
if !t2.After(t1a) {
t.Fatalf("Expected %s to be after %s", t2, t1a)
}
if t1b.After(t1a) {
t.Fatalf("Expected %s to not be after %s", t1b, t1a)
}
}
func TestTimeConversions(t *testing.T) {
unixSecs := int64(1136239445)
unixNsecs := int64(123456789)
unixNano := unixSecs*1e9 + unixNsecs
t1 := time.Unix(unixSecs, unixNsecs-unixNsecs%nanosPerTick)
t2 := time.Unix(unixSecs, unixNsecs)
ts := TimeFromUnixNano(unixNano)
if !ts.Time().Equal(t1) {
t.Fatalf("Expected %s, got %s", t1, ts.Time())
}
// Test available precision.
ts = TimeFromUnixNano(t2.UnixNano())
if !ts.Time().Equal(t1) {
t.Fatalf("Expected %s, got %s", t1, ts.Time())
}
if ts.UnixNano() != unixNano-unixNano%nanosPerTick {
t.Fatalf("Expected %d, got %d", unixNano, ts.UnixNano())
}
}
func TestDuration(t *testing.T) {
duration := time.Second + time.Minute + time.Hour
goTime := time.Unix(1136239445, 0)
ts := TimeFromUnix(goTime.Unix())
if !goTime.Add(duration).Equal(ts.Add(duration).Time()) {
t.Fatalf("Expected %s to be equal to %s", goTime.Add(duration), ts.Add(duration))
}
earlier := ts.Add(-duration)
delta := ts.Sub(earlier)
if delta != duration {
t.Fatalf("Expected %s to be equal to %s", delta, duration)
}
}
func TestParseDuration(t *testing.T) {
var cases = []struct {
in string
out time.Duration
}{
{
in: "0s",
out: 0,
}, {
in: "324ms",
out: 324 * time.Millisecond,
}, {
in: "3s",
out: 3 * time.Second,
}, {
in: "5m",
out: 5 * time.Minute,
}, {
in: "1h",
out: time.Hour,
}, {
in: "4d",
out: 4 * 24 * time.Hour,
}, {
in: "3w",
out: 3 * 7 * 24 * time.Hour,
}, {
in: "10y",
out: 10 * 365 * 24 * time.Hour,
},
}
for _, c := range cases {
d, err := ParseDuration(c.in)
if err != nil {
t.Errorf("Unexpected error on input %q", c.in)
}
if time.Duration(d) != c.out {
t.Errorf("Expected %v but got %v", c.out, d)
}
if d.String() != c.in {
t.Errorf("Expected duration string %q but got %q", c.in, d.String())
}
}
}
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