76 lines
1.5 KiB
Go
76 lines
1.5 KiB
Go
package fsx_test
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import (
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"errors"
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"io/fs"
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"os"
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"sync/atomic"
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"syscall"
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"testing"
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"github.com/ooni/probe-cli/v3/internal/engine/internal/fsx"
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)
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var StateBaseDir = "./testdata/"
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type FailingStatFS struct {
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CloseCount *int32
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}
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type FailingStatFile struct {
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CloseCount *int32
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}
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var errStatFailed = errors.New("stat failed")
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func (FailingStatFile) Stat() (os.FileInfo, error) {
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return nil, errStatFailed
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}
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func (f FailingStatFS) Open(pathname string) (fs.File, error) {
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return FailingStatFile(f), nil
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}
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func (fs FailingStatFile) Close() error {
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if fs.CloseCount != nil {
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atomic.AddInt32(fs.CloseCount, 1)
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}
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return nil
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}
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func (FailingStatFile) Read([]byte) (int, error) {
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return 0, nil
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}
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func TestOpenWithFailingStat(t *testing.T) {
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var count int32
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_, err := fsx.OpenWithFS(FailingStatFS{CloseCount: &count}, StateBaseDir+"testfile.txt")
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if !errors.Is(err, errStatFailed) {
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t.Errorf("expected error with invalid FS: %+v", err)
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}
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if count != 1 {
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t.Error("expected counter to be equal to 1")
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}
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}
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func TestOpenNonexistentFile(t *testing.T) {
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_, err := fsx.Open(StateBaseDir + "invalidtestfile.txt")
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if !errors.Is(err, syscall.ENOENT) {
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t.Errorf("not the error we expected")
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}
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}
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func TestOpenDirectoryShouldFail(t *testing.T) {
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_, err := fsx.Open(StateBaseDir)
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if !errors.Is(err, syscall.EISDIR) {
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t.Fatalf("not the error we expected: %+v", err)
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}
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}
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func TestOpeningExistingFileShouldWork(t *testing.T) {
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file, err := fsx.Open(StateBaseDir + "testfile.txt")
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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}
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