mirror of https://github.com/octoleo/restic.git
104 lines
2.8 KiB
Go
104 lines
2.8 KiB
Go
// Copyright 2018, Google
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//
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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 window
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import (
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"testing"
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"time"
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)
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type epair struct {
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e interface{}
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t time.Time
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}
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func adder(i, j interface{}) interface{} {
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a, ok := i.(int)
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if !ok {
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a = 0
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}
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b, ok := j.(int)
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if !ok {
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b = 0
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}
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return a + b
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}
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func TestWindows(t *testing.T) {
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table := []struct {
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size, dur time.Duration
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incs []epair
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look time.Time
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reduce Reducer
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want interface{}
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}{
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{
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size: time.Minute,
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dur: time.Second,
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incs: []epair{
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// year, month, day, hour, min, sec, nano
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{t: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 1, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 2, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 3, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 4, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 5, 0, time.UTC), e: 1},
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},
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look: time.Date(2000, 1, 1, 0, 1, 0, 0, time.UTC),
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want: 5,
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reduce: adder,
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},
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{
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incs: []epair{
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// year, month, day, hour, min, sec, nano
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{t: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 1, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 2, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 3, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 4, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 5, 0, time.UTC), e: 1},
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},
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want: 6,
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reduce: adder,
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},
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{ // what happens if time goes backwards?
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size: time.Minute,
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dur: time.Second,
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incs: []epair{
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{t: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 1, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 2, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 3, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 4, 0, time.UTC), e: 1},
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{t: time.Date(2000, 1, 1, 0, 0, 0, 0, time.UTC), e: 1},
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},
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look: time.Date(2000, 1, 1, 0, 0, 30, 0, time.UTC),
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want: 1,
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reduce: adder,
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},
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}
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for _, e := range table {
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w := New(e.size, e.dur, e.reduce)
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for _, inc := range e.incs {
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w.insertAt(inc.t, inc.e)
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}
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ct := w.reducedAt(e.look)
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if ct != e.want {
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t.Errorf("reducedAt(%v) got %v, want %v", e.look, ct, e.want)
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}
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}
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}
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