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6201eebc98
* WIP * Tests * Header and format * WIP * Fix tests * Goland you disappoint me * Remove CC storage * Update blockpullreorderer.go
106 lines
3.4 KiB
Go
106 lines
3.4 KiB
Go
// Copyright (C) 2020 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package model
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import (
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"github.com/syncthing/syncthing/lib/protocol"
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"reflect"
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"sort"
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"testing"
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)
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var (
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someBlocks = []protocol.BlockInfo{{Offset: 1}, {Offset: 2}, {Offset: 3}}
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)
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func Test_chunk(t *testing.T) {
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type args struct {
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blocks []protocol.BlockInfo
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partCount int
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}
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tests := []struct {
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name string
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args args
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want [][]protocol.BlockInfo
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}{
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{"one", args{someBlocks, 1}, [][]protocol.BlockInfo{someBlocks}},
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{"two", args{someBlocks, 2}, [][]protocol.BlockInfo{someBlocks[:2], someBlocks[2:]}},
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{"three", args{someBlocks, 3}, [][]protocol.BlockInfo{someBlocks[:1], someBlocks[1:2], someBlocks[2:]}},
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{"four", args{someBlocks, 4}, [][]protocol.BlockInfo{someBlocks[:1], someBlocks[1:2], someBlocks[2:]}},
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// Never happens as myIdx would be -1, so we'd return in order.
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{"zero", args{someBlocks, 0}, [][]protocol.BlockInfo{someBlocks}},
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{"empty-one", args{nil, 1}, [][]protocol.BlockInfo{}},
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{"empty-zero", args{nil, 0}, [][]protocol.BlockInfo{nil}},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := chunk(tt.args.blocks, tt.args.partCount); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("chunk() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_inOrderBlockPullReorderer_Reorder(t *testing.T) {
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type args struct {
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blocks []protocol.BlockInfo
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}
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tests := []struct {
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name string
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blocks []protocol.BlockInfo
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want []protocol.BlockInfo
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}{
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{"basic", someBlocks, someBlocks},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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in := inOrderBlockPullReorderer{}
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if got := in.Reorder(tt.blocks); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Reorder() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_standardBlockPullReorderer_Reorder(t *testing.T) {
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// Order the devices, so we know their ordering ahead of time.
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devices := []protocol.DeviceID{myID, device1, device2}
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sort.Slice(devices, func(i, j int) bool {
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return devices[i].Compare(devices[j]) == -1
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})
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blocks := func(i ...int) []protocol.BlockInfo {
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b := make([]protocol.BlockInfo, 0, len(i))
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for _, v := range i {
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b = append(b, protocol.BlockInfo{Offset: int64(v)})
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}
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return b
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}
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tests := []struct {
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name string
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myId protocol.DeviceID
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devices []protocol.DeviceID
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blocks []protocol.BlockInfo
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want []protocol.BlockInfo
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}{
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{"front", devices[0], []protocol.DeviceID{devices[1], devices[2]}, blocks(1, 2, 3), blocks(1, 2, 3)},
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{"back", devices[2], []protocol.DeviceID{devices[0], devices[1]}, blocks(1, 2, 3), blocks(3, 1, 2)},
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{"few-blocks", devices[2], []protocol.DeviceID{devices[0], devices[1]}, blocks(1), blocks(1)},
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{"more-than-one-block", devices[1], []protocol.DeviceID{devices[0]}, blocks(1, 2, 3, 4), blocks(3, 4, 1, 2)},
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{"empty-blocks", devices[0], []protocol.DeviceID{devices[1]}, blocks(), blocks()},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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p := newStandardBlockPullReorderer(tt.myId, tt.devices)
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p.shuffle = func(i interface{}) {} // Noop shuffle
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if got := p.Reorder(tt.blocks); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("reorderBlocksForDevices() = %v, want %v (my idx: %d, count %d)", got, tt.want, p.myIndex, p.count)
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}
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})
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}
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}
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