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https://git.numenor-labs.us/dsfx.git
synced 2025-04-29 08:10:34 +00:00
72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package frame_test
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import (
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"bufio"
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"bytes"
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"testing"
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"koti.casa/numenor-labs/dsfx/internal/lib/frame"
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)
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func TestLenPrefixedWriteTo(t *testing.T) {
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// Given ...
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buf := bytes.NewBuffer(nil)
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msg := []byte("Hello, World!")
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expectedBytesWritten := len(msg) + 2
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// When ...
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n, err := frame.New(msg).WriteTo(buf)
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// Then ...
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if err != nil {
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t.Fatalf("failed to write frame: %v", err)
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return
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}
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if n != int64(expectedBytesWritten) {
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t.Fatalf("expected %d bytes written, got %d", expectedBytesWritten, n)
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return
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}
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if buf.Len() != expectedBytesWritten {
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t.Fatalf("expected %d bytes in buffer, got %d", expectedBytesWritten, buf.Len())
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return
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}
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if !bytes.Equal(buf.Bytes()[2:], msg) {
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t.Fatalf("expected %q in buffer, got %q", msg, buf.Bytes()[2:])
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return
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}
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}
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func TestLenPrefixedReadFrom(t *testing.T) {
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// Given ...
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msg := []byte{0x00, 0x0d}
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msg = append(msg, []byte("Hello, World!")...)
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buf := bufio.NewReader(bytes.NewBuffer(msg))
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expectedBytesRead := len(msg)
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// When ...
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f := frame.New(nil)
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n, err := f.ReadFrom(buf)
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// Then ...
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if err != nil {
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t.Fatalf("failed to write frame: %v", err)
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return
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}
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if n != int64(expectedBytesRead) {
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t.Fatalf("expected %d bytes read, got %d", expectedBytesRead, n)
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return
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}
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if !bytes.Equal(f.Contents(), []byte("Hello, World!")) {
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t.Fatalf("expected %q, got %q", []byte("Hello, World!"), f.Contents())
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return
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}
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}
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