Filled out memfs rename tests.
Aaron Jacobs
commit
a4e7cab07d
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@ -1369,34 +1369,282 @@ func (t *MemFSTest) RenameWithinDir_Directory() {
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ExpectEq(os.FileMode(0700)|os.ModeDir, fi.Mode())
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}
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func (t *MemFSTest) RenameWithinDir_SameName() {
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var err error
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// Create a parent directory.
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parentPath := path.Join(t.Dir, "parent")
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err = os.Mkdir(parentPath, 0700)
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AssertEq(nil, err)
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// And a file within it.
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filePath := path.Join(parentPath, "foo")
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err = ioutil.WriteFile(filePath, []byte("taco"), 0400)
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AssertEq(nil, err)
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// Attempt to rename it.
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err = os.Rename(filePath, filePath)
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AssertEq(nil, err)
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// The file should still exist.
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contents, err := ioutil.ReadFile(filePath)
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AssertEq(nil, err)
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ExpectEq("taco", string(contents))
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// There should only be the one entry in the directory.
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entries, err := fusetesting.ReadDirPicky(parentPath)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi := entries[0]
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ExpectEq(path.Base(filePath), fi.Name())
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ExpectEq(os.FileMode(0400), fi.Mode())
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}
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func (t *MemFSTest) RenameAcrossDirs_File() {
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AssertTrue(false, "TODO")
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var err error
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// Create two parent directories.
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oldParentPath := path.Join(t.Dir, "old")
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newParentPath := path.Join(t.Dir, "new")
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err = os.Mkdir(oldParentPath, 0700)
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AssertEq(nil, err)
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err = os.Mkdir(newParentPath, 0700)
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AssertEq(nil, err)
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// And a file within the first.
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oldPath := path.Join(oldParentPath, "foo")
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err = ioutil.WriteFile(oldPath, []byte("taco"), 0400)
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AssertEq(nil, err)
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// Rename it.
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newPath := path.Join(newParentPath, "bar")
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err = os.Rename(oldPath, newPath)
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AssertEq(nil, err)
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// The old name shouldn't work.
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_, err = os.Stat(oldPath)
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ExpectTrue(os.IsNotExist(err), "err: %v", err)
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_, err = ioutil.ReadFile(oldPath)
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ExpectTrue(os.IsNotExist(err), "err: %v", err)
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// The new name should.
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fi, err := os.Stat(newPath)
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AssertEq(nil, err)
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ExpectEq(len("taco"), fi.Size())
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ExpectEq(os.FileMode(0400), fi.Mode())
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contents, err := ioutil.ReadFile(newPath)
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AssertEq(nil, err)
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ExpectEq("taco", string(contents))
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// Check the old parent.
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entries, err := fusetesting.ReadDirPicky(oldParentPath)
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AssertEq(nil, err)
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AssertEq(0, len(entries))
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// And the new one.
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entries, err = fusetesting.ReadDirPicky(newParentPath)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi = entries[0]
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ExpectEq(path.Base(newPath), fi.Name())
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ExpectEq(os.FileMode(0400), fi.Mode())
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}
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func (t *MemFSTest) RenameAcrossDirs_Directory() {
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AssertTrue(false, "TODO")
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var err error
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// Create two parent directories.
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oldParentPath := path.Join(t.Dir, "old")
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newParentPath := path.Join(t.Dir, "new")
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err = os.Mkdir(oldParentPath, 0700)
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AssertEq(nil, err)
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err = os.Mkdir(newParentPath, 0700)
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AssertEq(nil, err)
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// And a non-empty directory within the first.
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oldPath := path.Join(oldParentPath, "foo")
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err = os.MkdirAll(path.Join(oldPath, "child"), 0700)
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AssertEq(nil, err)
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// Rename it.
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newPath := path.Join(newParentPath, "bar")
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err = os.Rename(oldPath, newPath)
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AssertEq(nil, err)
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// The old name shouldn't work.
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_, err = os.Stat(oldPath)
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ExpectTrue(os.IsNotExist(err), "err: %v", err)
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// The new name should.
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fi, err := os.Stat(newPath)
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AssertEq(nil, err)
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ExpectEq(os.FileMode(0700)|os.ModeDir, fi.Mode())
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// And the child should still be present.
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entries, err := fusetesting.ReadDirPicky(newPath)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi = entries[0]
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ExpectEq("child", fi.Name())
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ExpectEq(os.FileMode(0700)|os.ModeDir, fi.Mode())
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// Check the old parent.
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entries, err = fusetesting.ReadDirPicky(oldParentPath)
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AssertEq(nil, err)
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AssertEq(0, len(entries))
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// And the new one.
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entries, err = fusetesting.ReadDirPicky(newParentPath)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi = entries[0]
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ExpectEq(path.Base(newPath), fi.Name())
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ExpectEq(os.FileMode(0700)|os.ModeDir, fi.Mode())
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}
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func (t *MemFSTest) RenameOutOfFileSystem_File() {
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AssertTrue(false, "TODO")
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func (t *MemFSTest) RenameOutOfFileSystem() {
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var err error
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// Create a file.
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oldPath := path.Join(t.Dir, "foo")
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err = ioutil.WriteFile(oldPath, []byte("taco"), 0400)
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AssertEq(nil, err)
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// Attempt to move it out of the file system.
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tempDir, err := ioutil.TempDir("", "memfs_test")
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AssertEq(nil, err)
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defer os.RemoveAll(tempDir)
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err = os.Rename(oldPath, path.Join(tempDir, "bar"))
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ExpectThat(err, Error(HasSubstr("cross-device")))
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}
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func (t *MemFSTest) RenameOutOfFileSystem_Directory() {
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AssertTrue(false, "TODO")
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}
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func (t *MemFSTest) RenameIntoFileSystem() {
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var err error
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func (t *MemFSTest) RenameIntoFileSystem_File() {
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AssertTrue(false, "TODO")
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}
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// Create a file outside of our file system.
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f, err := ioutil.TempFile("", "memfs_test")
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AssertEq(nil, err)
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defer f.Close()
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func (t *MemFSTest) RenameIntoFileSystem_Directory() {
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AssertTrue(false, "TODO")
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oldPath := f.Name()
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defer os.Remove(oldPath)
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// Attempt to move it into the file system.
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err = os.Rename(oldPath, path.Join(t.Dir, "bar"))
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ExpectThat(err, Error(HasSubstr("cross-device")))
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}
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func (t *MemFSTest) RenameOverExistingFile() {
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AssertTrue(false, "TODO")
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var err error
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// Create two files.
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oldPath := path.Join(t.Dir, "foo")
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err = ioutil.WriteFile(oldPath, []byte("taco"), 0400)
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AssertEq(nil, err)
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newPath := path.Join(t.Dir, "bar")
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err = ioutil.WriteFile(newPath, []byte("burrito"), 0600)
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AssertEq(nil, err)
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// Rename one over the other.
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err = os.Rename(oldPath, newPath)
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AssertEq(nil, err)
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// Check the file contents.
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contents, err := ioutil.ReadFile(newPath)
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AssertEq(nil, err)
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ExpectEq("taco", string(contents))
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// And the parent listing.
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entries, err := fusetesting.ReadDirPicky(t.Dir)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi := entries[0]
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ExpectEq(path.Base(newPath), fi.Name())
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ExpectEq(os.FileMode(0400), fi.Mode())
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ExpectEq(len("taco"), fi.Size())
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}
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func (t *MemFSTest) RenameOverExistingDirectory() {
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AssertTrue(false, "TODO")
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var err error
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// Create two directories, the first non-empty.
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oldPath := path.Join(t.Dir, "foo")
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err = os.MkdirAll(path.Join(oldPath, "child"), 0700)
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AssertEq(nil, err)
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newPath := path.Join(t.Dir, "bar")
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err = os.Mkdir(newPath, 0600)
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AssertEq(nil, err)
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// Renaming over the non-empty one shouldn't work.
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err = os.Rename(newPath, oldPath)
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ExpectThat(err, Error(HasSubstr("TODO")))
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// But the other way around should.
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err = os.Rename(oldPath, newPath)
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AssertEq(nil, err)
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// Check the parent listing.
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entries, err := fusetesting.ReadDirPicky(t.Dir)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi := entries[0]
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ExpectEq(path.Base(newPath), fi.Name())
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ExpectEq(os.FileMode(0700)|os.ModeDir, fi.Mode())
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// And the directory itself.
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entries, err = fusetesting.ReadDirPicky(newPath)
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AssertEq(nil, err)
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AssertEq(1, len(entries))
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fi = entries[0]
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ExpectEq("child", fi.Name())
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}
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func (t *MemFSTest) RenameOverExisting_WrongType() {
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var err error
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// Create a file and a directory.
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filePath := path.Join(t.Dir, "foo")
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err = ioutil.WriteFile(filePath, []byte("taco"), 0400)
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AssertEq(nil, err)
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dirPath := path.Join(t.Dir, "bar")
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err = os.Mkdir(dirPath, 0700)
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AssertEq(nil, err)
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// Renaming one over the other shouldn't work.
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err = os.Rename(filePath, dirPath)
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ExpectThat(err, Error(HasSubstr("is a directory")))
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err = os.Rename(dirPath, filePath)
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ExpectThat(err, Error(HasSubstr("not a directory")))
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}
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func (t *MemFSTest) RenameNonExistentFile() {
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var err error
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err = os.Rename(path.Join(t.Dir, "foo"), path.Join(t.Dir, "bar"))
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ExpectThat(err, Error(HasSubstr("no such file")))
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}
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