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11da2a6c9b
The purpose of this is to make it easier to maintain and eventually to allow the rclone backends to be re-used in other projects without having to use the rclone configuration system. The new code layout is documented in CONTRIBUTING.
43 lines
761 B
Go
43 lines
761 B
Go
package readers
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import (
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"io"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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type byteReader struct {
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c byte
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}
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func (br *byteReader) Read(p []byte) (n int, err error) {
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if br.c == 0 {
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err = io.EOF
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} else if len(p) >= 1 {
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p[0] = br.c
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n = 1
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br.c--
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}
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return
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}
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func TestReadFill(t *testing.T) {
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buf := []byte{9, 9, 9, 9, 9}
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n, err := ReadFill(&byteReader{0}, buf)
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assert.Equal(t, io.EOF, err)
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assert.Equal(t, 0, n)
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assert.Equal(t, []byte{9, 9, 9, 9, 9}, buf)
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n, err = ReadFill(&byteReader{3}, buf)
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assert.Equal(t, io.EOF, err)
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assert.Equal(t, 3, n)
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assert.Equal(t, []byte{3, 2, 1, 9, 9}, buf)
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n, err = ReadFill(&byteReader{8}, buf)
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assert.Equal(t, nil, err)
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assert.Equal(t, 5, n)
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assert.Equal(t, []byte{8, 7, 6, 5, 4}, buf)
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}
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