зеркало из https://github.com/golang/tools.git
138 строки
3.1 KiB
Go
138 строки
3.1 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package vfs_test
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
|
|
"golang.org/x/tools/godoc/vfs"
|
|
"golang.org/x/tools/godoc/vfs/mapfs"
|
|
)
|
|
|
|
func TestNewNameSpace(t *testing.T) {
|
|
|
|
// We will mount this filesystem under /fs1
|
|
mount := mapfs.New(map[string]string{"fs1file": "abcdefgh"})
|
|
|
|
// Existing process. This should give error on Stat("/")
|
|
t1 := vfs.NameSpace{}
|
|
t1.Bind("/fs1", mount, "/", vfs.BindReplace)
|
|
|
|
// using NewNameSpace. This should work fine.
|
|
t2 := vfs.NewNameSpace()
|
|
t2.Bind("/fs1", mount, "/", vfs.BindReplace)
|
|
|
|
testcases := map[string][]bool{
|
|
"/": {false, true},
|
|
"/fs1": {true, true},
|
|
"/fs1/fs1file": {true, true},
|
|
}
|
|
|
|
fss := []vfs.FileSystem{t1, t2}
|
|
|
|
for j, fs := range fss {
|
|
for k, v := range testcases {
|
|
_, err := fs.Stat(k)
|
|
result := err == nil
|
|
if result != v[j] {
|
|
t.Errorf("fs: %d, testcase: %s, want: %v, got: %v, err: %s", j, k, v[j], result, err)
|
|
}
|
|
}
|
|
}
|
|
|
|
fi, err := t2.Stat("/")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if fi.Name() != "/" {
|
|
t.Errorf("t2.Name() : want:%s got:%s", "/", fi.Name())
|
|
}
|
|
|
|
if !fi.ModTime().IsZero() {
|
|
t.Errorf("t2.ModTime() : want:%v got:%v", time.Time{}, fi.ModTime())
|
|
}
|
|
}
|
|
|
|
func TestReadDirUnion(t *testing.T) {
|
|
for _, tc := range []struct {
|
|
desc string
|
|
ns vfs.NameSpace
|
|
path, want string
|
|
}{
|
|
{
|
|
desc: "no_go_files",
|
|
ns: func() vfs.NameSpace {
|
|
rootFs := mapfs.New(map[string]string{
|
|
"doc/a.txt": "1",
|
|
"doc/b.txt": "1",
|
|
"doc/dir1/d1.txt": "",
|
|
})
|
|
docFs := mapfs.New(map[string]string{
|
|
"doc/a.txt": "22",
|
|
"doc/dir2/d2.txt": "",
|
|
})
|
|
ns := vfs.NameSpace{}
|
|
ns.Bind("/", rootFs, "/", vfs.BindReplace)
|
|
ns.Bind("/doc", docFs, "/doc", vfs.BindBefore)
|
|
return ns
|
|
}(),
|
|
path: "/doc",
|
|
want: "a.txt:2,b.txt:1,dir1:0,dir2:0",
|
|
}, {
|
|
desc: "have_go_files",
|
|
ns: func() vfs.NameSpace {
|
|
a := mapfs.New(map[string]string{
|
|
"src/x/a.txt": "",
|
|
"src/x/suba/sub.txt": "",
|
|
})
|
|
b := mapfs.New(map[string]string{
|
|
"src/x/b.go": "package b",
|
|
"src/x/subb/sub.txt": "",
|
|
})
|
|
c := mapfs.New(map[string]string{
|
|
"src/x/c.txt": "",
|
|
"src/x/subc/sub.txt": "",
|
|
})
|
|
ns := vfs.NameSpace{}
|
|
ns.Bind("/", a, "/", vfs.BindReplace)
|
|
ns.Bind("/", b, "/", vfs.BindAfter)
|
|
ns.Bind("/", c, "/", vfs.BindAfter)
|
|
return ns
|
|
}(),
|
|
path: "/src/x",
|
|
want: "b.go:9,suba:0,subb:0,subc:0",
|
|
}, {
|
|
desc: "empty_mount",
|
|
ns: func() vfs.NameSpace {
|
|
ns := vfs.NameSpace{}
|
|
ns.Bind("/empty", mapfs.New(nil), "/empty", vfs.BindReplace)
|
|
return ns
|
|
}(),
|
|
path: "/",
|
|
want: "empty:0",
|
|
},
|
|
} {
|
|
t.Run(tc.desc, func(t *testing.T) {
|
|
fis, err := tc.ns.ReadDir(tc.path)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
buf := &strings.Builder{}
|
|
sep := ""
|
|
for _, fi := range fis {
|
|
fmt.Fprintf(buf, "%s%s:%d", sep, fi.Name(), fi.Size())
|
|
sep = ","
|
|
}
|
|
if got := buf.String(); got != tc.want {
|
|
t.Errorf("got %q; want %q", got, tc.want)
|
|
}
|
|
})
|
|
}
|
|
}
|