93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
// Copyright (c) 2017 Couchbase, Inc.
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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 mergeplan
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import (
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"reflect"
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"testing"
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)
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// Implements the Segment interface for testing,
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type segment struct {
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id uint64
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fullSize int64
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liveSize int64
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}
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func (s *segment) Id() uint64 { return s.id }
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func (s *segment) FullSize() int64 { return s.fullSize }
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func (s *segment) LiveSize() int64 { return s.liveSize }
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func makeLinearSegments(n int) (rv []Segment) {
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for i := 0; i < n; i++ {
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rv = append(rv, &segment{
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id: uint64(i),
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fullSize: int64(i),
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liveSize: int64(i),
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})
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}
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return rv
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}
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func TestSimplePlan(t *testing.T) {
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segs := makeLinearSegments(10)
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tests := []struct {
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desc string
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segments []Segment
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expectPlan *MergePlan
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expectErr error
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}{
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{"nil candidates",
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nil, nil, nil},
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{"empty candidates",
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[]Segment{}, nil, nil},
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{"1 candidate",
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[]Segment{segs[0]},
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nil,
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nil,
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},
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{"2 candidates",
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[]Segment{
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segs[0],
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segs[1],
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},
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&MergePlan{
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[]*MergeTask{
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&MergeTask{
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Segments: []Segment{
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segs[0],
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segs[1],
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},
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},
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},
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},
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nil,
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},
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}
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for testi, test := range tests {
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plan, err := Plan(test.segments, &DefaultMergePlanOptions)
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if err != test.expectErr {
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t.Errorf("testi: %d, test: %v, got err: %v",
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testi, test, err)
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}
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if !reflect.DeepEqual(plan, test.expectPlan) {
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t.Errorf("testi: %d, test: %v, got plan: %v",
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testi, test, plan)
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}
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}
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}
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