2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package fs
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import (
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"testing"
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)
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// TestSplitLast tests variants of path splitting.
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func TestSplitLast(t *testing.T) {
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cases := []struct {
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path string
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dir string
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file string
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}{
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{path: "/", dir: "/", file: "."},
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{path: "/.", dir: "/", file: "."},
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{path: "/./", dir: "/", file: "."},
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{path: "/./.", dir: "/.", file: "."},
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{path: "/././", dir: "/.", file: "."},
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{path: "/./..", dir: "/.", file: ".."},
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{path: "/./../", dir: "/.", file: ".."},
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{path: "/..", dir: "/", file: ".."},
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{path: "/../", dir: "/", file: ".."},
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{path: "/../.", dir: "/..", file: "."},
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{path: "/.././", dir: "/..", file: "."},
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{path: "/../..", dir: "/..", file: ".."},
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{path: "/../../", dir: "/..", file: ".."},
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{path: "", dir: ".", file: "."},
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{path: ".", dir: ".", file: "."},
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{path: "./", dir: ".", file: "."},
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{path: "./.", dir: ".", file: "."},
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{path: "././", dir: ".", file: "."},
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{path: "./..", dir: ".", file: ".."},
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{path: "./../", dir: ".", file: ".."},
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{path: "..", dir: ".", file: ".."},
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{path: "../", dir: ".", file: ".."},
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{path: "../.", dir: "..", file: "."},
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{path: ".././", dir: "..", file: "."},
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{path: "../..", dir: "..", file: ".."},
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{path: "../../", dir: "..", file: ".."},
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{path: "/foo", dir: "/", file: "foo"},
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{path: "/foo/", dir: "/", file: "foo"},
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{path: "/foo/.", dir: "/foo", file: "."},
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{path: "/foo/./", dir: "/foo", file: "."},
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{path: "/foo/./.", dir: "/foo/.", file: "."},
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{path: "/foo/./..", dir: "/foo/.", file: ".."},
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{path: "/foo/..", dir: "/foo", file: ".."},
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{path: "/foo/../", dir: "/foo", file: ".."},
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{path: "/foo/../.", dir: "/foo/..", file: "."},
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{path: "/foo/../..", dir: "/foo/..", file: ".."},
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{path: "/foo/bar", dir: "/foo", file: "bar"},
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{path: "/foo/bar/", dir: "/foo", file: "bar"},
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{path: "/foo/bar/.", dir: "/foo/bar", file: "."},
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{path: "/foo/bar/./", dir: "/foo/bar", file: "."},
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{path: "/foo/bar/./.", dir: "/foo/bar/.", file: "."},
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{path: "/foo/bar/./..", dir: "/foo/bar/.", file: ".."},
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{path: "/foo/bar/..", dir: "/foo/bar", file: ".."},
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{path: "/foo/bar/../", dir: "/foo/bar", file: ".."},
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{path: "/foo/bar/../.", dir: "/foo/bar/..", file: "."},
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{path: "/foo/bar/../..", dir: "/foo/bar/..", file: ".."},
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{path: "foo", dir: ".", file: "foo"},
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{path: "foo", dir: ".", file: "foo"},
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{path: "foo/", dir: ".", file: "foo"},
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{path: "foo/.", dir: "foo", file: "."},
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{path: "foo/./", dir: "foo", file: "."},
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{path: "foo/./.", dir: "foo/.", file: "."},
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{path: "foo/./..", dir: "foo/.", file: ".."},
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{path: "foo/..", dir: "foo", file: ".."},
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{path: "foo/../", dir: "foo", file: ".."},
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{path: "foo/../.", dir: "foo/..", file: "."},
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{path: "foo/../..", dir: "foo/..", file: ".."},
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{path: "foo/", dir: ".", file: "foo"},
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{path: "foo/.", dir: "foo", file: "."},
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{path: "foo/bar", dir: "foo", file: "bar"},
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{path: "foo/bar/", dir: "foo", file: "bar"},
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{path: "foo/bar/.", dir: "foo/bar", file: "."},
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{path: "foo/bar/./", dir: "foo/bar", file: "."},
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{path: "foo/bar/./.", dir: "foo/bar/.", file: "."},
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{path: "foo/bar/./..", dir: "foo/bar/.", file: ".."},
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{path: "foo/bar/..", dir: "foo/bar", file: ".."},
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{path: "foo/bar/../", dir: "foo/bar", file: ".."},
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{path: "foo/bar/../.", dir: "foo/bar/..", file: "."},
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{path: "foo/bar/../..", dir: "foo/bar/..", file: ".."},
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{path: "foo/bar/", dir: "foo", file: "bar"},
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{path: "foo/bar/.", dir: "foo/bar", file: "."},
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}
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for _, c := range cases {
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dir, file := SplitLast(c.path)
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if dir != c.dir || file != c.file {
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t.Errorf("SplitLast(%q) got (%q, %q), expected (%q, %q)", c.path, dir, file, c.dir, c.file)
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}
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}
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}
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// TestSplitFirst tests variants of path splitting.
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func TestSplitFirst(t *testing.T) {
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cases := []struct {
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path string
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first string
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remainder string
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}{
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{path: "/", first: "/", remainder: ""},
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{path: "/.", first: "/", remainder: "."},
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{path: "///.", first: "/", remainder: "//."},
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{path: "/.///", first: "/", remainder: "."},
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{path: "/./.", first: "/", remainder: "./."},
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{path: "/././", first: "/", remainder: "./."},
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{path: "/./..", first: "/", remainder: "./.."},
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{path: "/./../", first: "/", remainder: "./.."},
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{path: "/..", first: "/", remainder: ".."},
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{path: "/../", first: "/", remainder: ".."},
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{path: "/../.", first: "/", remainder: "../."},
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{path: "/.././", first: "/", remainder: "../."},
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{path: "/../..", first: "/", remainder: "../.."},
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{path: "/../../", first: "/", remainder: "../.."},
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{path: "", first: ".", remainder: ""},
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{path: ".", first: ".", remainder: ""},
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{path: "./", first: ".", remainder: ""},
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{path: ".///", first: ".", remainder: ""},
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{path: "./.", first: ".", remainder: "."},
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{path: "././", first: ".", remainder: "."},
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{path: "./..", first: ".", remainder: ".."},
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{path: "./../", first: ".", remainder: ".."},
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{path: "..", first: "..", remainder: ""},
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{path: "../", first: "..", remainder: ""},
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{path: "../.", first: "..", remainder: "."},
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{path: ".././", first: "..", remainder: "."},
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{path: "../..", first: "..", remainder: ".."},
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{path: "../../", first: "..", remainder: ".."},
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{path: "/foo", first: "/", remainder: "foo"},
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{path: "/foo/", first: "/", remainder: "foo"},
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{path: "/foo///", first: "/", remainder: "foo"},
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{path: "/foo/.", first: "/", remainder: "foo/."},
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{path: "/foo/./", first: "/", remainder: "foo/."},
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{path: "/foo/./.", first: "/", remainder: "foo/./."},
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{path: "/foo/./..", first: "/", remainder: "foo/./.."},
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{path: "/foo/..", first: "/", remainder: "foo/.."},
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{path: "/foo/../", first: "/", remainder: "foo/.."},
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{path: "/foo/../.", first: "/", remainder: "foo/../."},
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{path: "/foo/../..", first: "/", remainder: "foo/../.."},
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{path: "/foo/bar", first: "/", remainder: "foo/bar"},
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{path: "///foo/bar", first: "/", remainder: "//foo/bar"},
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{path: "/foo///bar", first: "/", remainder: "foo///bar"},
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{path: "/foo/bar/.", first: "/", remainder: "foo/bar/."},
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{path: "/foo/bar/./", first: "/", remainder: "foo/bar/."},
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{path: "/foo/bar/./.", first: "/", remainder: "foo/bar/./."},
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{path: "/foo/bar/./..", first: "/", remainder: "foo/bar/./.."},
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{path: "/foo/bar/..", first: "/", remainder: "foo/bar/.."},
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{path: "/foo/bar/../", first: "/", remainder: "foo/bar/.."},
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{path: "/foo/bar/../.", first: "/", remainder: "foo/bar/../."},
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{path: "/foo/bar/../..", first: "/", remainder: "foo/bar/../.."},
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{path: "foo", first: "foo", remainder: ""},
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{path: "foo", first: "foo", remainder: ""},
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{path: "foo/", first: "foo", remainder: ""},
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{path: "foo///", first: "foo", remainder: ""},
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{path: "foo/.", first: "foo", remainder: "."},
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{path: "foo/./", first: "foo", remainder: "."},
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{path: "foo/./.", first: "foo", remainder: "./."},
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{path: "foo/./..", first: "foo", remainder: "./.."},
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{path: "foo/..", first: "foo", remainder: ".."},
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{path: "foo/../", first: "foo", remainder: ".."},
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{path: "foo/../.", first: "foo", remainder: "../."},
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{path: "foo/../..", first: "foo", remainder: "../.."},
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{path: "foo/", first: "foo", remainder: ""},
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{path: "foo/.", first: "foo", remainder: "."},
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{path: "foo/bar", first: "foo", remainder: "bar"},
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{path: "foo///bar", first: "foo", remainder: "bar"},
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{path: "foo/bar/", first: "foo", remainder: "bar"},
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{path: "foo/bar/.", first: "foo", remainder: "bar/."},
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{path: "foo/bar/./", first: "foo", remainder: "bar/."},
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{path: "foo/bar/./.", first: "foo", remainder: "bar/./."},
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{path: "foo/bar/./..", first: "foo", remainder: "bar/./.."},
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{path: "foo/bar/..", first: "foo", remainder: "bar/.."},
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{path: "foo/bar/../", first: "foo", remainder: "bar/.."},
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{path: "foo/bar/../.", first: "foo", remainder: "bar/../."},
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{path: "foo/bar/../..", first: "foo", remainder: "bar/../.."},
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{path: "foo/bar/", first: "foo", remainder: "bar"},
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{path: "foo/bar/.", first: "foo", remainder: "bar/."},
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}
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for _, c := range cases {
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first, remainder := SplitFirst(c.path)
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if first != c.first || remainder != c.remainder {
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t.Errorf("SplitFirst(%q) got (%q, %q), expected (%q, %q)", c.path, first, remainder, c.first, c.remainder)
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}
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}
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}
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2019-02-01 23:22:22 +00:00
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// TestIsSubpath tests the IsSubpath method.
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func TestIsSubpath(t *testing.T) {
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tcs := []struct {
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// Two absolute paths.
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pathA string
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pathB string
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// Whether pathA is a subpath of pathB.
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wantIsSubpath bool
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// Relative path from pathA to pathB. Only checked if
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// wantIsSubpath is true.
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wantRelpath string
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}{
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{
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pathA: "/foo/bar/baz",
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pathB: "/foo",
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wantIsSubpath: true,
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wantRelpath: "bar/baz",
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},
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{
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pathA: "/foo",
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pathB: "/foo/bar/baz",
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wantIsSubpath: false,
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},
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{
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pathA: "/foo",
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pathB: "/foo",
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wantIsSubpath: false,
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},
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{
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pathA: "/foobar",
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pathB: "/foo",
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wantIsSubpath: false,
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},
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{
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pathA: "/foo",
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pathB: "/foobar",
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wantIsSubpath: false,
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},
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{
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pathA: "/foo",
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pathB: "/foobar",
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wantIsSubpath: false,
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},
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{
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pathA: "/",
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pathB: "/foo",
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wantIsSubpath: false,
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},
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{
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pathA: "/foo",
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pathB: "/",
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wantIsSubpath: true,
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wantRelpath: "foo",
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},
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{
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pathA: "/foo/bar/../bar",
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pathB: "/foo",
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wantIsSubpath: true,
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wantRelpath: "bar",
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},
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{
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pathA: "/foo/bar",
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pathB: "/foo/../foo",
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wantIsSubpath: true,
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wantRelpath: "bar",
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},
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}
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for _, tc := range tcs {
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gotRelpath, gotIsSubpath := IsSubpath(tc.pathA, tc.pathB)
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if gotRelpath != tc.wantRelpath || gotIsSubpath != tc.wantIsSubpath {
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t.Errorf("IsSubpath(%q, %q) got %q %t, want %q %t", tc.pathA, tc.pathB, gotRelpath, gotIsSubpath, tc.wantRelpath, tc.wantIsSubpath)
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}
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}
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}
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