mirror of https://github.com/spf13/afero.git
44 lines
892 B
Go
44 lines
892 B
Go
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package zipfs
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import (
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"archive/zip"
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"io"
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"testing"
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)
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func TestFileRead(t *testing.T) {
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zrc, err := zip.OpenReader("testdata/small.zip")
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if err != nil {
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t.Fatal(err)
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}
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zfs := New(&zrc.Reader)
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f, err := zfs.Open("smallFile")
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if err != nil {
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t.Fatal(err)
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}
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info, err := f.Stat()
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if err != nil {
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t.Fatal(err)
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}
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chunkSize := info.Size() * 2 // read with extra large buffer
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buf := make([]byte, chunkSize)
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n, err := f.Read(buf)
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if err != io.EOF {
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t.Fatal("Failed to read file to completion:", err)
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}
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if n != int(info.Size()) {
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t.Errorf("Expected read length to be %d, found: %d", info.Size(), n)
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}
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// read a second time to check f.offset and f.buf are correct
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buf = make([]byte, chunkSize)
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n, err = f.Read(buf)
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if err != io.EOF {
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t.Fatal("Failed to read a fully read file:", err)
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}
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if n != 0 {
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t.Errorf("Expected read length to be 0, found: %d", n)
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}
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}
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