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MeBox/internal/service/reader/rule/packages_test.go
T
truewhile 2b2dc697ce bug处理
2026-10-08 11:13:10 +08:00

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package rule
import (
"testing"
)
// 本文件:legado 兼容性回归——`Packages.java.util.*` 容器与 `.[*]` 形式的 JSONPath。
//
// 背景(拷贝系列轻小说源在 MeBox 搜不到/读不了的根因):
// 1. 搜索列表规则写成 `results.list.[*]`(legado/Jayway 接受),PaesslerAG 直接
// 解析报错返回空;
// 2. 目录规则用 `new Packages.java.util.LinkedHashMap()` / `ArrayList()` 拼装,
// goja 里没有 Java,整条规则 ReferenceError。
// TestNormalizeJSONPathDotBracket 点后跟方括号应归一化成合法路径。
func TestNormalizeJSONPathDotBracket(t *testing.T) {
cases := map[string]string{
"results.list.[*]": "$.results.list[*]",
"$.results.list.[*]": "$.results.list[*]",
"$.a.[0].b": "$.a[0].b",
"$.a.['k']": "$.a['k']",
"$.results.list": "$.results.list",
"$.results..list[*]": "$.results..list[*]",
"results.list": "$.results.list",
"$[0].name": "$[0].name",
"..list[*]": "$..list[*]",
}
for in, want := range cases {
if got := normalizeJSONPath(in); got != want {
t.Errorf("normalizeJSONPath(%q) = %q, want %q", in, got, want)
}
}
}
// TestGetElementsDotBracketStarJsonPath 真实书源的 `results.list.[*]` 必须能取到列表。
func TestGetElementsDotBracketStarJsonPath(t *testing.T) {
const body = `{"results":{"list":[{"name":"甲"},{"name":"乙"}]}}`
for _, rule := range []string{"results.list.[*]", "$.results.list", "results.list"} {
ar := NewAnalyzeRule()
ar.SetContent(body, "")
els, err := ar.GetElements(rule)
if err != nil {
t.Fatalf("%s: %v", rule, err)
}
if len(els) != 2 {
t.Fatalf("%s: elements=%d, want 2", rule, len(els))
}
name, err := ar.GetString("$.name", els[0], false)
if err != nil || name != "甲" {
t.Fatalf("%s: first name=%q err=%v", rule, name, err)
}
}
}
// TestPackagesUtilCollections Packages.java.util 的 List/Map 应能拼出目录列表,
// 且导出给引擎的是干净的数组/映射(方法不能混进元素里)。
func TestPackagesUtilCollections(t *testing.T) {
r := NewJSRunner(JSConfig{})
if err := r.JSLibErr(); err != nil {
t.Fatalf("Packages 环境初始化失败: %v", err)
}
ar := NewAnalyzeRule()
ar.SetContent(`{"results":{"list":[{"name":"第一卷","id":7}]}}`, "https://api.example.com/volumes")
ar.SetJSRunner(r.ForAnalyzer(ar))
js := `<js>
function mk(n, u) { var m = new Packages.java.util.LinkedHashMap(); m.put('name', n); m.put('url', u); return m; }
var base = 'https://api.example.com/volume/';
var out = new Packages.java.util.ArrayList();
var vols = JSON.parse(result).results.list;
for (var i = 0; i < vols.length; i++) { out.add(mk(vols[i].name, base + vols[i].id)); }
out;</js>`
els, err := ar.GetElements(js)
if err != nil {
t.Fatalf("GetElements: %v", err)
}
if len(els) != 1 {
t.Fatalf("elements=%d, want 1", len(els))
}
if m, ok := els[0].(map[string]any); ok {
if _, hasMethod := m["put"]; hasMethod {
t.Fatalf("容器方法泄漏进了元素: %#v", m)
}
}
name, err := ar.GetString("$.name", els[0], false)
if err != nil || name != "第一卷" {
t.Fatalf("name=%q err=%v", name, err)
}
url, _ := ar.GetString("$.url", els[0], false)
if url != "https://api.example.com/volume/7" {
t.Fatalf("url=%q", url)
}
}
// TestPackagesHashMapUsableAsHeaders java.get(url, headers) 的 headers 用
// Packages.java.util.HashMap 构造时,导出结果应是干净的键值映射。
func TestPackagesHashMapUsableAsHeaders(t *testing.T) {
r := NewJSRunner(JSConfig{})
v, err := r.Run(NewAnalyzeRule(), `(function () {
var h = new Packages.java.util.HashMap();
h.put('X-Test', 'v1');
return JSON.stringify(h);
})()`, nil, "")
if err != nil {
t.Fatal(err)
}
if s := anyToString(v); s != `{"X-Test":"v1"}` {
t.Fatalf("HashMap 导出含额外键: %s", s)
}
}