Files
myclaude/codeagent-wrapper/parser_token_too_long_test.go
swe-agent[bot] 6f4f4e701b fix(parser): 修复 bufio.Scanner token too long 错误 (#64)
## 问题
- 执行 rg 等命令时,如果匹配到 minified 文件,单行输出可能超过 10MB
- 旧实现使用 bufio.Scanner,遇到超长行会报错并中止整个解析
- 导致后续的 agent_message 无法读取,任务失败

## 修复
1. **parser.go**:
   - 移除 bufio.Scanner,改用 bufio.Reader + readLineWithLimit
   - 超长行(>10MB)会被跳过但继续处理后续事件
   - 添加 codexHeader 轻量级解析,只在 agent_message 时完整解析

2. **utils.go**:
   - 修复 logWriter 内存膨胀问题
   - 添加 writeLimited 方法限制缓冲区大小

3. **测试**:
   - parser_token_too_long_test.go: 验证超长行处理
   - log_writer_limit_test.go: 验证日志缓冲限制

## 测试结果
-  TestParseJSONStream_SkipsOverlongLineAndContinues
-  TestLogWriterWriteLimitsBuffer
-  完整测试套件通过

Fixes #64

Generated with swe-agent-bot

Co-Authored-By: swe-agent-bot <agent@swe-agent.ai>
2025-12-15 13:19:51 +08:00

32 lines
1023 B
Go

package main
import (
"strings"
"testing"
)
func TestParseJSONStream_SkipsOverlongLineAndContinues(t *testing.T) {
// Exceed the 10MB bufio.Scanner limit in parseJSONStreamInternal.
tooLong := strings.Repeat("a", 11*1024*1024)
input := strings.Join([]string{
`{"type":"item.completed","item":{"type":"other_type","text":"` + tooLong + `"}}`,
`{"type":"thread.started","thread_id":"t-1"}`,
`{"type":"item.completed","item":{"type":"agent_message","text":"ok"}}`,
}, "\n")
var warns []string
warnFn := func(msg string) { warns = append(warns, msg) }
gotMessage, gotThreadID := parseJSONStreamInternal(strings.NewReader(input), warnFn, nil, nil)
if gotMessage != "ok" {
t.Fatalf("message=%q, want %q (warns=%v)", gotMessage, "ok", warns)
}
if gotThreadID != "t-1" {
t.Fatalf("threadID=%q, want %q (warns=%v)", gotThreadID, "t-1", warns)
}
if len(warns) == 0 || !strings.Contains(warns[0], "Skipped overlong JSON line") {
t.Fatalf("expected warning about overlong JSON line, got %v", warns)
}
}