package lua

import (
	"strings"
	"testing"
)

// 临时复现：内核发出的 assistant(content=null)+tool_calls 形状，
// 经 anthropic.lua 转换后 content 是否变成对象 {}（上游期望数组）。
func TestZZReproAnthropicEmptyBlocks(t *testing.T) {
	vm := NewVM(freshAdapterDir(t))
	if err := vm.Start(); err != nil {
		t.Fatal(err)
	}
	defer vm.Stop()

	cases := map[string]string{
		"assistant content=null + tool_calls": `{"model":"x","messages":[{"role":"user","content":"hi"},{"role":"assistant","content":null,"tool_calls":[{"id":"c1","type":"function","function":{"name":"f","arguments":"{}"}}]},{"role":"tool","tool_call_id":"c1","content":"ok"}]}`,
		"assistant content=空串 + tool_calls":    `{"model":"x","messages":[{"role":"user","content":"hi"},{"role":"assistant","content":"","tool_calls":[{"id":"c1","type":"function","function":{"name":"f","arguments":"{}"}}]},{"role":"tool","tool_call_id":"c1","content":"ok"}]}`,
		"仅 system":                            `{"model":"x","messages":[{"role":"system","content":"s"}]}`,
	}
	for name, body := range cases {
		out, err := vm.Transform("anthropic", "transform_request", body)
		if err != nil {
			t.Fatalf("%s: %v", name, err)
		}
		bad := strings.Contains(out, `"content":{}`)
		t.Logf("%-38s content为对象{}: %v\n    out=%s", name, bad, out)
	}
}