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133 lines
3 KiB
Go
133 lines
3 KiB
Go
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// Copyright 2013 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package model
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import (
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"testing"
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"time"
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)
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func TestComparators(t *testing.T) {
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t1a := TimeFromUnix(0)
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t1b := TimeFromUnix(0)
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t2 := TimeFromUnix(2*second - 1)
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if !t1a.Equal(t1b) {
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t.Fatalf("Expected %s to be equal to %s", t1a, t1b)
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}
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if t1a.Equal(t2) {
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t.Fatalf("Expected %s to not be equal to %s", t1a, t2)
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}
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if !t1a.Before(t2) {
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t.Fatalf("Expected %s to be before %s", t1a, t2)
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}
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if t1a.Before(t1b) {
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t.Fatalf("Expected %s to not be before %s", t1a, t1b)
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}
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if !t2.After(t1a) {
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t.Fatalf("Expected %s to be after %s", t2, t1a)
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}
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if t1b.After(t1a) {
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t.Fatalf("Expected %s to not be after %s", t1b, t1a)
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}
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}
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func TestTimeConversions(t *testing.T) {
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unixSecs := int64(1136239445)
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unixNsecs := int64(123456789)
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unixNano := unixSecs*1e9 + unixNsecs
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t1 := time.Unix(unixSecs, unixNsecs-unixNsecs%nanosPerTick)
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t2 := time.Unix(unixSecs, unixNsecs)
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ts := TimeFromUnixNano(unixNano)
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if !ts.Time().Equal(t1) {
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t.Fatalf("Expected %s, got %s", t1, ts.Time())
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}
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// Test available precision.
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ts = TimeFromUnixNano(t2.UnixNano())
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if !ts.Time().Equal(t1) {
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t.Fatalf("Expected %s, got %s", t1, ts.Time())
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}
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if ts.UnixNano() != unixNano-unixNano%nanosPerTick {
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t.Fatalf("Expected %d, got %d", unixNano, ts.UnixNano())
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}
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}
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func TestDuration(t *testing.T) {
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duration := time.Second + time.Minute + time.Hour
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goTime := time.Unix(1136239445, 0)
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ts := TimeFromUnix(goTime.Unix())
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if !goTime.Add(duration).Equal(ts.Add(duration).Time()) {
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t.Fatalf("Expected %s to be equal to %s", goTime.Add(duration), ts.Add(duration))
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}
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earlier := ts.Add(-duration)
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delta := ts.Sub(earlier)
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if delta != duration {
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t.Fatalf("Expected %s to be equal to %s", delta, duration)
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}
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}
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func TestParseDuration(t *testing.T) {
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var cases = []struct {
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in string
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out time.Duration
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}{
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{
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in: "0s",
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out: 0,
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}, {
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in: "324ms",
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out: 324 * time.Millisecond,
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}, {
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in: "3s",
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out: 3 * time.Second,
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}, {
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in: "5m",
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out: 5 * time.Minute,
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}, {
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in: "1h",
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out: time.Hour,
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}, {
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in: "4d",
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out: 4 * 24 * time.Hour,
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}, {
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in: "3w",
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out: 3 * 7 * 24 * time.Hour,
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}, {
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in: "10y",
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out: 10 * 365 * 24 * time.Hour,
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},
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}
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for _, c := range cases {
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d, err := ParseDuration(c.in)
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if err != nil {
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t.Errorf("Unexpected error on input %q", c.in)
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}
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if time.Duration(d) != c.out {
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t.Errorf("Expected %v but got %v", c.out, d)
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}
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if d.String() != c.in {
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t.Errorf("Expected duration string %q but got %q", c.in, d.String())
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}
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}
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}
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