test tree foreach

spike/review/reinvent/ezmded/server/tree_test.go

@@ -3,21 +3,44 @@ package main
 import (
 	"encoding/json"
 	"fmt"
+	"path"
+	"strconv"
 	"testing"
 )
 
-func TestTreeDel(t *testing.T) {
+func TestTreeForEach(t *testing.T) {
 	tree := NewTree(t.TempDir())
-	if err := tree.Put(ID("id"), Leaf{}); err != nil {
+	id := ""
+	for i := 0; i < 5; i++ {
+		id = path.Join(id, strconv.Itoa(i))
+		if err := tree.Put(NewID(id), Leaf{Title: id, Content: id}); err != nil {
+			t.Fatal(err)
+		}
+	}
+	branch, err := tree.GetRoot()
+	if err != nil {
 		t.Fatal(err)
 	}
-	if err := tree.Put(ID("id/subid"), Leaf{}); err != nil {
+	if err := branch.ForEach(func(id ID, leaf Leaf) error {
+		t.Logf("id=%+v, leaf=%+v", id, leaf)
+		return nil
+	}); err != nil {
+		t.Fatal(err)
+	}
+}
+
+func TestTreeDel(t *testing.T) {
+	tree := NewTree(t.TempDir())
+	if err := tree.Put(NewID("id"), Leaf{}); err != nil {
+		t.Fatal(err)
+	}
+	if err := tree.Put(NewID("id/subid"), Leaf{}); err != nil {
 		t.Fatal(err)
 	}
 
-	if err := tree.Del(ID("id")); err != nil {
+	if err := tree.Del(NewID("id")); err != nil {
 		t.Fatal(err)
-	} else if got, err := tree.Get(ID("id")); err != nil {
+	} else if got, err := tree.Get(NewID("id")); err != nil {
 		t.Fatal(err)
 	} else if !got.Deleted {
 		t.Fatal(got)
@@ -45,7 +68,7 @@ func TestTreeCrud(t *testing.T) {
 		t.Fatal(m)
 	}
 
-	if err := tree.Del(ID("id")); err != nil {
+	if err := tree.Del(NewID("id")); err != nil {
 		t.Fatal(err)
 	}
 
@@ -54,9 +77,9 @@ func TestTreeCrud(t *testing.T) {
 		Deleted: false,
 		Content: "leaf content",
 	}
-	if err := tree.Put(ID("id"), want); err != nil {
+	if err := tree.Put(NewID("id"), want); err != nil {
 		t.Fatal(err)
-	} else if l, err := tree.Get(ID("id")); err != nil {
+	} else if l, err := tree.Get(NewID("id")); err != nil {
 		t.Fatal(err)
 	} else if l != want {
 		t.Fatal(want, l)