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// Copyright 2018, the Blazer authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pyre
import (
"reflect"
"sort"
"strings"
"sync"
"testing"
)
type testVersionedObject struct {
name string
versions []string
}
func (t testVersionedObject) Name() string { return t.name }
func (t testVersionedObject) NextNVersions(b string, n int) ([]string, error) {
var out []string
var seen bool
if b == "" {
seen = true
}
for _, v := range t.versions {
if b == v {
seen = true
}
if !seen {
continue
}
if len(out) >= n {
return out, nil
}
out = append(out, v)
}
return out, nil
}
type testListManager struct {
objs map[string][]string
m sync.Mutex
}
func (t *testListManager) NextN(b, fn, pfx, spfx string, n int) ([]VersionedObject, error) {
t.m.Lock()
defer t.m.Unlock()
var out []VersionedObject
var keys []string
for k := range t.objs {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
if k < fn {
continue
}
if !strings.HasPrefix(k, pfx) {
continue
}
if spfx != "" && strings.HasPrefix(k, spfx) {
continue
}
out = append(out, testVersionedObject{name: k, versions: t.objs[k]})
n--
if n <= 0 {
return out, nil
}
}
return out, nil
}
func TestGetDirNames(t *testing.T) {
table := []struct {
lm ListManager
name string
pfx string
delim string
num int
want []string
}{
{
lm: &testListManager{
objs: map[string][]string{
"/usr/local/etc/foo/bar": {"a"},
"/usr/local/etc/foo/baz": {"a"},
"/usr/local/etc/foo": {"a"},
"/usr/local/etc/fool": {"a"},
},
},
num: 2,
pfx: "/usr/local/etc/",
delim: "/",
want: []string{"/usr/local/etc/foo", "/usr/local/etc/foo/"},
},
{
lm: &testListManager{
objs: map[string][]string{
"/usr/local/etc/foo/bar": {"a"},
"/usr/local/etc/foo/baz": {"a"},
"/usr/local/etc/foo": {"a"},
"/usr/local/etc/fool": {"a"},
"/usr/local/etc/bar": {"a"},
},
},
num: 4,
pfx: "/usr/local/etc/",
delim: "/",
want: []string{"/usr/local/etc/bar", "/usr/local/etc/foo", "/usr/local/etc/foo/", "/usr/local/etc/fool"},
},
}
for _, e := range table {
got, err := getDirNames(e.lm, "", e.name, e.pfx, e.delim, e.num)
if err != nil {
t.Error(err)
continue
}
if !reflect.DeepEqual(got, e.want) {
t.Errorf("getDirNames(%v, %q, %q, %q, %d): got %v, want %v", e.lm, e.name, e.pfx, e.delim, e.num, got, e.want)
}
}
}
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