mirror of
https://github.com/rclone/rclone.git
synced 2024-12-29 18:39:14 +01:00
5d6b8141ec
As of Go 1.16, the same functionality is now provided by package io or package os, and those implementations should be preferred in new code.
124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
package vfstest
|
|
|
|
import (
|
|
"io"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
// TestReadByByte reads by byte including don't read any bytes
|
|
func TestReadByByte(t *testing.T) {
|
|
run.skipIfNoFUSE(t)
|
|
|
|
var data = []byte("hellohello")
|
|
run.createFile(t, "testfile", string(data))
|
|
run.checkDir(t, "testfile 10")
|
|
|
|
for i := 0; i < len(data); i++ {
|
|
fd, err := run.os.Open(run.path("testfile"))
|
|
assert.NoError(t, err)
|
|
for j := 0; j < i; j++ {
|
|
buf := make([]byte, 1)
|
|
n, err := io.ReadFull(fd, buf)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, 1, n)
|
|
assert.Equal(t, buf[0], data[j])
|
|
}
|
|
err = fd.Close()
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
run.rm(t, "testfile")
|
|
}
|
|
|
|
// TestReadChecksum checks the checksum reading is working
|
|
func TestReadChecksum(t *testing.T) {
|
|
run.skipIfNoFUSE(t)
|
|
|
|
// create file big enough so we exceed any single FUSE read
|
|
// request
|
|
b := make([]rune, 3*128*1024)
|
|
for i := range b {
|
|
b[i] = 'r'
|
|
}
|
|
run.createFile(t, "bigfile", string(b))
|
|
|
|
// The hash comparison would fail in Flush, if we did not
|
|
// ensure we read the whole file
|
|
fd, err := run.os.Open(run.path("bigfile"))
|
|
assert.NoError(t, err)
|
|
buf := make([]byte, 10)
|
|
_, err = io.ReadFull(fd, buf)
|
|
assert.NoError(t, err)
|
|
err = fd.Close()
|
|
assert.NoError(t, err)
|
|
|
|
// The hash comparison would fail, because we only read parts
|
|
// of the file
|
|
fd, err = run.os.Open(run.path("bigfile"))
|
|
assert.NoError(t, err)
|
|
// read at start
|
|
_, err = io.ReadFull(fd, buf)
|
|
assert.NoError(t, err)
|
|
// read at end
|
|
_, err = fd.Seek(int64(len(b)-len(buf)), io.SeekStart)
|
|
assert.NoError(t, err)
|
|
_, err = io.ReadFull(fd, buf)
|
|
assert.NoError(t, err)
|
|
// ensure we don't compare hashes
|
|
err = fd.Close()
|
|
assert.NoError(t, err)
|
|
|
|
run.rm(t, "bigfile")
|
|
}
|
|
|
|
// TestReadSeek test seeking
|
|
func TestReadSeek(t *testing.T) {
|
|
run.skipIfNoFUSE(t)
|
|
|
|
var data = []byte("helloHELLO")
|
|
run.createFile(t, "testfile", string(data))
|
|
run.checkDir(t, "testfile 10")
|
|
|
|
fd, err := run.os.Open(run.path("testfile"))
|
|
assert.NoError(t, err)
|
|
|
|
// Seek to half way
|
|
_, err = fd.Seek(5, io.SeekStart)
|
|
assert.NoError(t, err)
|
|
|
|
buf, err := io.ReadAll(fd)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, buf, []byte("HELLO"))
|
|
|
|
// Test seeking to the end
|
|
_, err = fd.Seek(10, io.SeekStart)
|
|
assert.NoError(t, err)
|
|
|
|
buf, err = io.ReadAll(fd)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, buf, []byte(""))
|
|
|
|
// Test seeking beyond the end
|
|
_, err = fd.Seek(1000000, io.SeekStart)
|
|
assert.NoError(t, err)
|
|
|
|
buf, err = io.ReadAll(fd)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, buf, []byte(""))
|
|
|
|
// Now back to the start
|
|
_, err = fd.Seek(0, io.SeekStart)
|
|
assert.NoError(t, err)
|
|
|
|
buf, err = io.ReadAll(fd)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, buf, []byte("helloHELLO"))
|
|
|
|
err = fd.Close()
|
|
assert.NoError(t, err)
|
|
|
|
run.rm(t, "testfile")
|
|
}
|