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package git
import (
"bytes"
"strings"
"testing"
)
func TestPacketReader(t *testing.T) {
// Test single packet
t.Run("single packet", func(t *testing.T) {
input := "0010hello world\n"
reader := NewPacketReader(strings.NewReader(input))
packet, err := reader.ReadPacket()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expected := "hello world\n"
if string(packet) != expected {
t.Errorf("expected %q, got %q", expected, string(packet))
}
})
// Test flush packet
t.Run("flush packet", func(t *testing.T) {
input := "0000"
reader := NewPacketReader(strings.NewReader(input))
packet, err := reader.ReadPacket()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if packet != nil {
t.Errorf("expected nil for flush packet, got %q", string(packet))
}
})
}
func TestPacketWriter(t *testing.T) {
var buf bytes.Buffer
writer := NewPacketWriter(&buf)
err := writer.WritePacket([]byte("hello world\n"))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
err = writer.WriteFlush()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expected := "0010hello world\n0000"
if buf.String() != expected {
t.Errorf("expected %q, got %q", expected, buf.String())
}
}
func TestParseUploadPackRequest(t *testing.T) {
input := "0032want 1234567890abcdef1234567890abcdef12345678\n" +
"0032want abcdef1234567890abcdef1234567890abcdef12\n" +
"0032have fedcba0987654321fedcba0987654321fedcba09\n" +
"0000"
req, err := ParseUploadPackRequest(strings.NewReader(input))
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedWants := []string{
"1234567890abcdef1234567890abcdef12345678",
"abcdef1234567890abcdef1234567890abcdef12",
}
expectedHaves := []string{
"fedcba0987654321fedcba0987654321fedcba09",
}
if len(req.Wants) != len(expectedWants) {
t.Fatalf("expected %d wants, got %d", len(expectedWants), len(req.Wants))
}
for i, want := range expectedWants {
if req.Wants[i] != want {
t.Errorf("want %d: expected %q, got %q", i, want, req.Wants[i])
}
}
if len(req.Haves) != len(expectedHaves) {
t.Fatalf("expected %d haves, got %d", len(expectedHaves), len(req.Haves))
}
for i, have := range expectedHaves {
if req.Haves[i] != have {
t.Errorf("have %d: expected %q, got %q", i, have, req.Haves[i])
}
}
}
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