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dag_test.go
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dag_test.go
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package dag
import (
"testing"
"github.com/docker/docker/pkg/testutil/assert"
)
func TestConnectedComponentRoots(t *testing.T) {
assert.DeepEqual(t,
&Graph{
Nodes: []Node{0, 1, 2, 3},
Edges: []Edge{
{Depender: 2, Dependee: 0},
{Depender: 3, Dependee: 1},
},
}.ConnectedComponentRoots(), []Node{0, 1})
assert.DeepEqual(t,
&Graph{
Nodes: []Node{0, 1, 2, 3, 4, 5, 6},
Edges: []Edge{
{Depender: 2, Dependee: 0},
{Depender: 3, Dependee: 1},
{Depender: 4, Dependee: 2},
{Depender: 5, Dependee: 2},
{Depender: 6, Dependee: 5},
},
}.ConnectedComponentRoots(), []Node{0, 1})
}
func TestDirectDependers(t *testing.T) {
assert.DeepEqual(t,
&Graph{
Nodes: []Node{0, 1, 2, 3, 4, 5, 6},
Edges: []Edge{
{Depender: 2, Dependee: 0},
{Depender: 3, Dependee: 1},
{Depender: 4, Dependee: 2},
{Depender: 5, Dependee: 2},
{Depender: 6, Dependee: 5},
},
}.DirectDependers(2), []Node{4, 5})
}
func TestDirectDependees(t *testing.T) {
assert.DeepEqual(t,
&Graph{
Nodes: []Node{0, 1, 2, 3, 4, 5, 6},
Edges: []Edge{
{Depender: 2, Dependee: 0},
{Depender: 3, Dependee: 1},
{Depender: 4, Dependee: 2},
{Depender: 5, Dependee: 2},
{Depender: 6, Dependee: 5},
},
}.DirectDependees(2), []Node{0})
}