diff options
Diffstat (limited to 'runsc/cmd/gofer_test.go')
| -rw-r--r-- | runsc/cmd/gofer_test.go | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/runsc/cmd/gofer_test.go b/runsc/cmd/gofer_test.go deleted file mode 100644 index fea62a4f4..000000000 --- a/runsc/cmd/gofer_test.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2018 The gVisor 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 cmd - -import ( - "fmt" - "io/ioutil" - "os" - "path" - "path/filepath" - "testing" -) - -func tmpDir() string { - if dir, ok := os.LookupEnv("TEST_TMPDIR"); ok { - return dir - } - return "/tmp" -} - -type dir struct { - rel string - link string -} - -func construct(root string, dirs []dir) error { - for _, d := range dirs { - p := path.Join(root, d.rel) - if d.link == "" { - if err := os.MkdirAll(p, 0755); err != nil { - return fmt.Errorf("error creating dir: %v", err) - } - } else { - if err := os.MkdirAll(path.Dir(p), 0755); err != nil { - return fmt.Errorf("error creating dir: %v", err) - } - if err := os.Symlink(d.link, p); err != nil { - return fmt.Errorf("error creating symlink: %v", err) - } - } - } - return nil -} - -func TestResolveSymlinks(t *testing.T) { - root, err := ioutil.TempDir(tmpDir(), "root") - if err != nil { - t.Fatal("ioutil.TempDir() failed:", err) - } - dirs := []dir{ - {"dir1/dir11/dir111/dir1111", ""}, // Just a boring dir - {"dir1/lnk12", "dir11"}, // Link to sibling - {"dir1/lnk13", "./dir11"}, // Link to sibling through self - {"dir1/lnk14", "../dir1/dir11"}, // Link to sibling through parent - {"dir1/dir15/lnk151", ".."}, // Link to parent - {"dir1/lnk16", "dir11/dir111"}, // Link to child - {"dir1/lnk17", "."}, // Link to self - {"dir1/lnk18", "lnk13"}, // Link to link - {"lnk2", "dir1/lnk13"}, // Link to link to link - {"dir3/dir21/lnk211", "../.."}, // Link to root relative - {"dir3/lnk22", "/"}, // Link to root absolute - {"dir3/lnk23", "/dir1"}, // Link to dir absolute - {"dir3/lnk24", "/dir1/lnk12"}, // Link to link absolute - {"lnk5", "../../.."}, // Link outside root - } - if err := construct(root, dirs); err != nil { - t.Fatal("construct failed:", err) - } - - tests := []struct { - name string - rel string - want string - compareHost bool - }{ - {name: "root", rel: "/", want: "/", compareHost: true}, - {name: "basic dir", rel: "/dir1/dir11/dir111", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "dot 1", rel: "/dir1/dir11/./dir111", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "dot 2", rel: "/dir1/././dir11/./././././dir111/.", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "dotdot 1", rel: "/dir1/dir11/../dir15", want: "/dir1/dir15", compareHost: true}, - {name: "dotdot 2", rel: "/dir1/dir11/dir1111/../..", want: "/dir1", compareHost: true}, - - {name: "link sibling", rel: "/dir1/lnk12", want: "/dir1/dir11", compareHost: true}, - {name: "link sibling + dir", rel: "/dir1/lnk12/dir111", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "link sibling through self", rel: "/dir1/lnk13", want: "/dir1/dir11", compareHost: true}, - {name: "link sibling through parent", rel: "/dir1/lnk14", want: "/dir1/dir11", compareHost: true}, - - {name: "link parent", rel: "/dir1/dir15/lnk151", want: "/dir1", compareHost: true}, - {name: "link parent + dir", rel: "/dir1/dir15/lnk151/dir11", want: "/dir1/dir11", compareHost: true}, - {name: "link child", rel: "/dir1/lnk16", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "link child + dir", rel: "/dir1/lnk16/dir1111", want: "/dir1/dir11/dir111/dir1111", compareHost: true}, - {name: "link self", rel: "/dir1/lnk17", want: "/dir1", compareHost: true}, - {name: "link self + dir", rel: "/dir1/lnk17/dir11", want: "/dir1/dir11", compareHost: true}, - - {name: "link^2", rel: "/dir1/lnk18", want: "/dir1/dir11", compareHost: true}, - {name: "link^2 + dir", rel: "/dir1/lnk18/dir111", want: "/dir1/dir11/dir111", compareHost: true}, - {name: "link^3", rel: "/lnk2", want: "/dir1/dir11", compareHost: true}, - {name: "link^3 + dir", rel: "/lnk2/dir111", want: "/dir1/dir11/dir111", compareHost: true}, - - {name: "link abs", rel: "/dir3/lnk23", want: "/dir1"}, - {name: "link abs + dir", rel: "/dir3/lnk23/dir11", want: "/dir1/dir11"}, - {name: "link^2 abs", rel: "/dir3/lnk24", want: "/dir1/dir11"}, - {name: "link^2 abs + dir", rel: "/dir3/lnk24/dir111", want: "/dir1/dir11/dir111"}, - - {name: "root link rel", rel: "/dir3/dir21/lnk211", want: "/", compareHost: true}, - {name: "root link abs", rel: "/dir3/lnk22", want: "/"}, - {name: "root contain link", rel: "/lnk5/dir1", want: "/dir1"}, - {name: "root contain dotdot", rel: "/dir1/dir11/../../../../../../../..", want: "/"}, - - {name: "crazy", rel: "/dir3/dir21/lnk211/dir3/lnk22/dir1/dir11/../../lnk5/dir3/../dir3/lnk24/dir111/dir1111/..", want: "/dir1/dir11/dir111"}, - } - for _, tst := range tests { - t.Run(tst.name, func(t *testing.T) { - got, err := resolveSymlinks(root, tst.rel) - if err != nil { - t.Errorf("resolveSymlinks(root, %q) failed: %v", tst.rel, err) - } - want := path.Join(root, tst.want) - if got != want { - t.Errorf("resolveSymlinks(root, %q) got: %q, want: %q", tst.rel, got, want) - } - if tst.compareHost { - // Check that host got to the same end result. - host, err := filepath.EvalSymlinks(path.Join(root, tst.rel)) - if err != nil { - t.Errorf("path.EvalSymlinks(root, %q) failed: %v", tst.rel, err) - } - if host != got { - t.Errorf("resolveSymlinks(root, %q) got: %q, want: %q", tst.rel, host, got) - } - } - }) - } -} - -func TestResolveSymlinksLoop(t *testing.T) { - root, err := ioutil.TempDir(tmpDir(), "root") - if err != nil { - t.Fatal("ioutil.TempDir() failed:", err) - } - dirs := []dir{ - {"loop1", "loop2"}, - {"loop2", "loop1"}, - } - if err := construct(root, dirs); err != nil { - t.Fatal("construct failed:", err) - } - if _, err := resolveSymlinks(root, "loop1"); err == nil { - t.Errorf("resolveSymlinks() should have failed") - } -} |