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writer_test.go
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writer_test.go
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package networkfile
import (
"context"
"io"
"net/http"
"net/http/httptest"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func TestWriterCopyFile(t *testing.T) {
srv := NewFileServer(prefix, secret)
testServer := httptest.NewServer(srv)
fileID, err := RandomFileID()
assert.NoError(t, err)
dst, err := os.CreateTemp(os.TempDir(), "writer-copy-test-")
assert.NoError(t, err)
defer func() {
_ = dst.Close()
_ = os.Remove(dst.Name())
}()
err = srv.ServeFileWriter(context.Background(), fileID, dst)
assert.NoError(t, err)
wrtr := NewWriter(context.Background(), testServer.URL+prefix, secret, fileID)
src, err := randomFile(117)
assert.NoError(t, err)
defer func() {
_ = src.Close()
_ = os.Remove(src.Name())
}()
n, err := io.CopyBuffer(wrtr, src, make([]byte, 17))
assert.NoError(t, err)
assert.EqualValues(t, 117, n)
_, err = dst.Seek(0, io.SeekStart)
assert.NoError(t, err)
dstBuf, err := io.ReadAll(dst)
assert.NoError(t, err)
_, err = src.Seek(0, io.SeekStart)
assert.NoError(t, err)
srcBuf, err := io.ReadAll(src)
assert.NoError(t, err)
assert.EqualValues(t, srcBuf, dstBuf)
assert.NoError(t, wrtr.Close())
}
func TestWriterCopyFileLargeBuffer(t *testing.T) {
srv := NewFileServer(prefix, secret)
testServer := httptest.NewServer(srv)
fileID, err := RandomFileID()
assert.NoError(t, err)
dst, err := os.CreateTemp(os.TempDir(), "writer-large-test-")
assert.NoError(t, err)
defer func() {
_ = dst.Close()
_ = os.Remove(dst.Name())
}()
err = srv.ServeFileWriter(context.Background(), fileID, dst)
assert.NoError(t, err)
wrtr := NewWriter(context.Background(), testServer.URL+prefix, secret, fileID)
src, err := randomFile(17_177_717)
assert.NoError(t, err)
defer func() {
_ = src.Close()
_ = os.Remove(src.Name())
}()
n, err := io.CopyBuffer(wrtr, src, make([]byte, 1_577_777))
assert.NoError(t, err)
assert.EqualValues(t, 17_177_717, n)
_, err = dst.Seek(0, io.SeekStart)
assert.NoError(t, err)
dstBuf, err := io.ReadAll(dst)
assert.NoError(t, err)
_, err = src.Seek(0, io.SeekStart)
assert.NoError(t, err)
srcBuf, err := io.ReadAll(src)
assert.NoError(t, err)
assert.EqualValues(t, srcBuf, dstBuf)
assert.NoError(t, wrtr.Close())
}
func TestPutRequest(t *testing.T) {
srv := NewFileServer(prefix, secret)
testServer := httptest.NewServer(srv)
fileID, err := RandomFileID()
assert.NoError(t, err)
dst, err := os.CreateTemp(os.TempDir(), "writer-put-test-")
assert.NoError(t, err)
defer func() {
_ = dst.Close()
_ = os.Remove(dst.Name())
}()
err = srv.ServeFileWriter(context.Background(), fileID, dst)
assert.NoError(t, err)
wrtr := NewWriter(context.Background(), testServer.URL+prefix, secret, fileID)
src, err := randomFile(133_799)
assert.NoError(t, err)
defer func() {
_ = src.Close()
_ = os.Remove(src.Name())
}()
srcPath := src.Name()
req, err := http.NewRequestWithContext(context.Background(), http.MethodPut, wrtr.PutURL(), src)
assert.NoError(t, err)
resp, err := http.DefaultClient.Do(req)
assert.NoError(t, err)
_ = resp.Body.Close()
// Reopen the rdr, because the http client closes it
src, err = os.Open(srcPath)
assert.NoError(t, err)
assert.Equal(t, http.StatusNoContent, resp.StatusCode)
_, err = dst.Seek(0, io.SeekStart)
assert.NoError(t, err)
dstBuf, err := io.ReadAll(dst)
assert.NoError(t, err)
_, err = src.Seek(0, io.SeekStart)
assert.NoError(t, err)
srcBuf, err := io.ReadAll(src)
assert.NoError(t, err)
assert.EqualValues(t, srcBuf, dstBuf)
assert.NoError(t, wrtr.Close())
}