64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
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// +build linux freebsd
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package devices
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import (
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"errors"
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"os"
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"testing"
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)
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func TestDeviceFromPathLstatFailure(t *testing.T) {
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testError := errors.New("test error")
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// Override os.Lstat to inject error.
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osLstat = func(path string) (os.FileInfo, error) {
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return nil, testError
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}
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_, err := DeviceFromPath("", "")
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if err != testError {
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t.Fatalf("Unexpected error %v, expected %v", err, testError)
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}
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}
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func TestHostDevicesIoutilReadDirFailure(t *testing.T) {
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testError := errors.New("test error")
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// Override ioutil.ReadDir to inject error.
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ioutilReadDir = func(dirname string) ([]os.FileInfo, error) {
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return nil, testError
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}
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_, err := HostDevices()
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if err != testError {
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t.Fatalf("Unexpected error %v, expected %v", err, testError)
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}
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}
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func TestHostDevicesIoutilReadDirDeepFailure(t *testing.T) {
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testError := errors.New("test error")
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called := false
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// Override ioutil.ReadDir to inject error after the first call.
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ioutilReadDir = func(dirname string) ([]os.FileInfo, error) {
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if called {
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return nil, testError
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}
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called = true
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// Provoke a second call.
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fi, err := os.Lstat("/tmp")
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if err != nil {
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t.Fatalf("Unexpected error %v", err)
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}
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return []os.FileInfo{fi}, nil
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}
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_, err := HostDevices()
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if err != testError {
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t.Fatalf("Unexpected error %v, expected %v", err, testError)
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}
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}
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