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lib/readers: factor ErrorReader from multiple sources

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This commit is contained in:
Nick Craig-Wood
2020-03-27 11:12:21 +00:00
parent 36d2c46bcf
commit cd3c699f28
6 changed files with 39 additions and 43 deletions
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13
fs/operations/reopen_test.go
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@ -10,6 +10,7 @@ import (
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/hash"
"github.com/rclone/rclone/fstest/mockobject"
"github.com/rclone/rclone/lib/readers"
"github.com/stretchr/testify/assert"
)
@ -44,23 +45,13 @@ func (o *reOpenTestObject) Open(ctx context.Context, options ...fs.OpenOption) (
return nil, errorTestError
}
// Read N bytes then an error
r := io.MultiReader(&io.LimitedReader{R: rc, N: N}, errorReader{errorTestError})
r := io.MultiReader(&io.LimitedReader{R: rc, N: N}, readers.ErrorReader{Err: errorTestError})
// Wrap with Close in a new readCloser
rc = readCloser{Reader: r, Closer: rc}
}
return rc, nil
}
// Return an error only
type errorReader struct {
err error
}
// Read returning an error
func (er errorReader) Read(p []byte) (n int, err error) {
return 0, er.err
}
func TestReOpen(t *testing.T) {
for testIndex, testName := range []string{"Seek", "Range"} {
t.Run(testName, func(t *testing.T) {