You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
126 lines
3.0 KiB
126 lines
3.0 KiB
package bounded_tree
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
|
|
"github.com/chrislusf/seaweedfs/weed/util"
|
|
)
|
|
|
|
var (
|
|
visitFn = func(path util.FullPath) (childDirectories []string, err error) {
|
|
fmt.Printf(" visit %v ...\n", path)
|
|
switch path {
|
|
case "/":
|
|
return []string{"a", "g", "h"}, nil
|
|
case "/a":
|
|
return []string{"b", "f"}, nil
|
|
case "/a/b":
|
|
return []string{"c", "e"}, nil
|
|
case "/a/b/c":
|
|
return []string{"d"}, nil
|
|
case "/a/b/c/d":
|
|
return []string{"i", "j"}, nil
|
|
case "/a/b/c/d/i":
|
|
return []string{}, nil
|
|
case "/a/b/c/d/j":
|
|
return []string{}, nil
|
|
case "/a/b/e":
|
|
return []string{}, nil
|
|
case "/a/f":
|
|
return []string{}, nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
printMap = func(m map[string]*Node) {
|
|
for k := range m {
|
|
println(" >", k)
|
|
}
|
|
}
|
|
)
|
|
|
|
func TestBoundedTree(t *testing.T) {
|
|
|
|
// a/b/c/d/i
|
|
// a/b/c/d/j
|
|
// a/b/c/d
|
|
// a/b/e
|
|
// a/f
|
|
// g
|
|
// h
|
|
|
|
tree := NewBoundedTree(util.FullPath("/"))
|
|
|
|
tree.EnsureVisited(util.FullPath("/a/b/c"), visitFn)
|
|
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/a/b")))
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/a/b/c")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/a/b/c/d")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/a/b/e")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/a/f")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/g")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/h")))
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/")))
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/x")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/a/b/e/x")))
|
|
|
|
printMap(tree.root.Children)
|
|
|
|
a := tree.root.getChild("a")
|
|
|
|
b := a.getChild("b")
|
|
if !b.isVisited() {
|
|
t.Errorf("expect visited /a/b")
|
|
}
|
|
c := b.getChild("c")
|
|
if !c.isVisited() {
|
|
t.Errorf("expect visited /a/b/c")
|
|
}
|
|
|
|
d := c.getChild("d")
|
|
if d.isVisited() {
|
|
t.Errorf("expect unvisited /a/b/c/d")
|
|
}
|
|
|
|
tree.EnsureVisited(util.FullPath("/a/b/c/d"), visitFn)
|
|
tree.EnsureVisited(util.FullPath("/a/b/c/d/i"), visitFn)
|
|
tree.EnsureVisited(util.FullPath("/a/b/c/d/j"), visitFn)
|
|
tree.EnsureVisited(util.FullPath("/a/b/e"), visitFn)
|
|
tree.EnsureVisited(util.FullPath("/a/f"), visitFn)
|
|
|
|
printMap(tree.root.Children)
|
|
|
|
}
|
|
|
|
func TestEmptyBoundedTree(t *testing.T) {
|
|
|
|
// g
|
|
// h
|
|
|
|
tree := NewBoundedTree(util.FullPath("/"))
|
|
|
|
visitFn := func(path util.FullPath) (childDirectories []string, err error) {
|
|
fmt.Printf(" visit %v ...\n", path)
|
|
switch path {
|
|
case "/":
|
|
return []string{"g", "h"}, nil
|
|
}
|
|
t.Fatalf("expected visit %s", path)
|
|
return nil, nil
|
|
}
|
|
|
|
tree.EnsureVisited(util.FullPath("/a/b"), visitFn)
|
|
|
|
tree.EnsureVisited(util.FullPath("/a/b"), visitFn)
|
|
|
|
printMap(tree.root.Children)
|
|
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/a/b")))
|
|
assert.Equal(t, true, tree.HasVisited(util.FullPath("/a")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/g")))
|
|
assert.Equal(t, false, tree.HasVisited(util.FullPath("/g/x")))
|
|
|
|
}
|