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- // Copyright 2015 Google Inc. All Rights Reserved.
- //
- // 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 hellofs_test
- import (
- "io"
- "io/ioutil"
- "os"
- "path"
- "syscall"
- "testing"
- "github.com/jacobsa/fuse/fusetesting"
- "github.com/jacobsa/fuse/samples"
- "github.com/jacobsa/fuse/samples/hellofs"
- . "github.com/jacobsa/oglematchers"
- . "github.com/jacobsa/ogletest"
- )
- func TestHelloFS(t *testing.T) { RunTests(t) }
- ////////////////////////////////////////////////////////////////////////
- // Boilerplate
- ////////////////////////////////////////////////////////////////////////
- type HelloFSTest struct {
- samples.SampleTest
- }
- func init() { RegisterTestSuite(&HelloFSTest{}) }
- func (t *HelloFSTest) SetUp(ti *TestInfo) {
- var err error
- t.Server, err = hellofs.NewHelloFS(&t.Clock)
- AssertEq(nil, err)
- t.SampleTest.SetUp(ti)
- }
- ////////////////////////////////////////////////////////////////////////
- // Test functions
- ////////////////////////////////////////////////////////////////////////
- func (t *HelloFSTest) ReadDir_Root() {
- entries, err := fusetesting.ReadDirPicky(t.Dir)
- AssertEq(nil, err)
- AssertEq(2, len(entries))
- var fi os.FileInfo
- // dir
- fi = entries[0]
- ExpectEq("dir", fi.Name())
- ExpectEq(0, fi.Size())
- ExpectEq(os.ModeDir|0555, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectTrue(fi.IsDir())
- // hello
- fi = entries[1]
- ExpectEq("hello", fi.Name())
- ExpectEq(len("Hello, world!"), fi.Size())
- ExpectEq(0444, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectFalse(fi.IsDir())
- }
- func (t *HelloFSTest) ReadDir_Dir() {
- entries, err := fusetesting.ReadDirPicky(path.Join(t.Dir, "dir"))
- AssertEq(nil, err)
- AssertEq(1, len(entries))
- var fi os.FileInfo
- // world
- fi = entries[0]
- ExpectEq("world", fi.Name())
- ExpectEq(len("Hello, world!"), fi.Size())
- ExpectEq(0444, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectFalse(fi.IsDir())
- }
- func (t *HelloFSTest) ReadDir_NonExistent() {
- _, err := fusetesting.ReadDirPicky(path.Join(t.Dir, "foobar"))
- AssertNe(nil, err)
- ExpectThat(err, Error(HasSubstr("no such file")))
- }
- func (t *HelloFSTest) Stat_Hello() {
- fi, err := os.Stat(path.Join(t.Dir, "hello"))
- AssertEq(nil, err)
- ExpectEq("hello", fi.Name())
- ExpectEq(len("Hello, world!"), fi.Size())
- ExpectEq(0444, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectFalse(fi.IsDir())
- ExpectEq(1, fi.Sys().(*syscall.Stat_t).Nlink)
- }
- func (t *HelloFSTest) Stat_Dir() {
- fi, err := os.Stat(path.Join(t.Dir, "dir"))
- AssertEq(nil, err)
- ExpectEq("dir", fi.Name())
- ExpectEq(0, fi.Size())
- ExpectEq(0555|os.ModeDir, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectTrue(fi.IsDir())
- ExpectEq(1, fi.Sys().(*syscall.Stat_t).Nlink)
- }
- func (t *HelloFSTest) Stat_World() {
- fi, err := os.Stat(path.Join(t.Dir, "dir/world"))
- AssertEq(nil, err)
- ExpectEq("world", fi.Name())
- ExpectEq(len("Hello, world!"), fi.Size())
- ExpectEq(0444, fi.Mode())
- ExpectEq(0, t.Clock.Now().Sub(fi.ModTime()), "ModTime: %v", fi.ModTime())
- ExpectFalse(fi.IsDir())
- ExpectEq(1, fi.Sys().(*syscall.Stat_t).Nlink)
- }
- func (t *HelloFSTest) Stat_NonExistent() {
- _, err := os.Stat(path.Join(t.Dir, "foobar"))
- AssertNe(nil, err)
- ExpectThat(err, Error(HasSubstr("no such file")))
- }
- func (t *HelloFSTest) ReadFile_Hello() {
- slice, err := ioutil.ReadFile(path.Join(t.Dir, "hello"))
- AssertEq(nil, err)
- ExpectEq("Hello, world!", string(slice))
- }
- func (t *HelloFSTest) ReadFile_Dir() {
- _, err := ioutil.ReadFile(path.Join(t.Dir, "dir"))
- AssertNe(nil, err)
- ExpectThat(err, Error(HasSubstr("is a directory")))
- }
- func (t *HelloFSTest) ReadFile_World() {
- slice, err := ioutil.ReadFile(path.Join(t.Dir, "dir/world"))
- AssertEq(nil, err)
- ExpectEq("Hello, world!", string(slice))
- }
- func (t *HelloFSTest) OpenAndRead() {
- var buf []byte = make([]byte, 1024)
- var n int
- var off int64
- var err error
- // Open the file.
- f, err := os.Open(path.Join(t.Dir, "hello"))
- defer func() {
- if f != nil {
- ExpectEq(nil, f.Close())
- }
- }()
- AssertEq(nil, err)
- // Seeking shouldn't affect the random access reads below.
- _, err = f.Seek(7, 0)
- AssertEq(nil, err)
- // Random access reads
- n, err = f.ReadAt(buf[:2], 0)
- AssertEq(nil, err)
- ExpectEq(2, n)
- ExpectEq("He", string(buf[:n]))
- n, err = f.ReadAt(buf[:2], int64(len("Hel")))
- AssertEq(nil, err)
- ExpectEq(2, n)
- ExpectEq("lo", string(buf[:n]))
- n, err = f.ReadAt(buf[:3], int64(len("Hello, wo")))
- AssertEq(nil, err)
- ExpectEq(3, n)
- ExpectEq("rld", string(buf[:n]))
- // Read beyond end.
- n, err = f.ReadAt(buf[:3], int64(len("Hello, world")))
- AssertEq(io.EOF, err)
- ExpectEq(1, n)
- ExpectEq("!", string(buf[:n]))
- // Seek then read the rest.
- off, err = f.Seek(int64(len("Hel")), 0)
- AssertEq(nil, err)
- AssertEq(len("Hel"), off)
- n, err = io.ReadFull(f, buf[:len("lo, world!")])
- AssertEq(nil, err)
- ExpectEq(len("lo, world!"), n)
- ExpectEq("lo, world!", string(buf[:n]))
- }
- func (t *HelloFSTest) Open_NonExistent() {
- _, err := os.Open(path.Join(t.Dir, "foobar"))
- AssertNe(nil, err)
- ExpectThat(err, Error(HasSubstr("no such file")))
- }
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