128 lines
3.0 KiB
Go
128 lines
3.0 KiB
Go
/*
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* Copyright 2022 The Dragonfly Authors
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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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*/
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package dag
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const (
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mockVertexID = "foo"
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mockVertexValue = "bar"
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)
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func TestNewVertex(t *testing.T) {
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v := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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assert.Equal(v.ID, mockVertexID)
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assert.Equal(v.Value, mockVertexValue)
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assert.Equal(v.Parents.Len(), uint(0))
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assert.Equal(v.Children.Len(), uint(0))
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}
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func TestVertexDegree(t *testing.T) {
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v := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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assert.Equal(v.ID, mockVertexID)
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assert.Equal(v.Value, mockVertexValue)
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assert.Equal(v.Degree(), 0)
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v.Parents.Add(v)
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assert.Equal(v.Degree(), 1)
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v.Children.Add(v)
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assert.Equal(v.Degree(), 2)
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v.Parents.Delete(v)
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assert.Equal(v.Degree(), 1)
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v.Children.Delete(v)
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assert.Equal(v.Degree(), 0)
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}
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func TestVertexInDegree(t *testing.T) {
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v := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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assert.Equal(v.ID, mockVertexID)
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assert.Equal(v.Value, mockVertexValue)
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assert.Equal(v.InDegree(), 0)
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v.Parents.Add(v)
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assert.Equal(v.InDegree(), 1)
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v.Children.Add(v)
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assert.Equal(v.InDegree(), 1)
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v.Parents.Delete(v)
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assert.Equal(v.InDegree(), 0)
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v.Children.Delete(v)
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assert.Equal(v.InDegree(), 0)
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}
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func TestVertexOutDegree(t *testing.T) {
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v := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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assert.Equal(v.ID, mockVertexID)
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assert.Equal(v.Value, mockVertexValue)
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assert.Equal(v.OutDegree(), 0)
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v.Parents.Add(v)
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assert.Equal(v.OutDegree(), 0)
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v.Children.Add(v)
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assert.Equal(v.OutDegree(), 1)
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v.Parents.Delete(v)
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assert.Equal(v.OutDegree(), 1)
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v.Children.Delete(v)
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assert.Equal(v.OutDegree(), 0)
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}
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func TestVertexDeleteInEdges(t *testing.T) {
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va := NewVertex(mockVertexID, mockVertexValue)
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vb := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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va.Parents.Add(vb)
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vb.Children.Add(va)
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assert.Equal(va.Parents.Len(), uint(1))
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assert.Equal(vb.Children.Len(), uint(1))
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va.DeleteInEdges()
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assert.Equal(va.Parents.Len(), uint(0))
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assert.Equal(vb.Children.Len(), uint(0))
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}
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func TestVertexDeleteOutEdges(t *testing.T) {
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va := NewVertex(mockVertexID, mockVertexValue)
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vb := NewVertex(mockVertexID, mockVertexValue)
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assert := assert.New(t)
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va.Parents.Add(vb)
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vb.Children.Add(va)
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assert.Equal(va.Parents.Len(), uint(1))
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assert.Equal(vb.Children.Len(), uint(1))
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vb.DeleteOutEdges()
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assert.Equal(va.Parents.Len(), uint(0))
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assert.Equal(vb.Children.Len(), uint(0))
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}
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