From 5a2be87f658d01bc5b3b7ecdba92ac69bf09dcf7 Mon Sep 17 00:00:00 2001
From: ai_xiaopei <xiaopei@aisim.cn>
Date: Thu, 03 Sep 2026 15:15:37 +0800
Subject: [PATCH] fix(search): 搜索准确性四连修——FTS5 MATCH 引号包裹(连字符不再被解析成 MINUS)；KeywordSearch 截断按命中关键词数排序(高频 bigram 不再挤出强相关文档)；原词奖励档(完整短语压过泛化 bigram)；tags 字段真实参与评分(此前误用 Section)
---
internal/graph/rwr_test.go | 37 +++++++++++++++++++++++++++++++++++++
1 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/internal/graph/rwr_test.go b/internal/graph/rwr_test.go
new file mode 100644
index 0000000..a4111fe
--- /dev/null
+++ b/internal/graph/rwr_test.go
@@ -0,0 +1,37 @@
+package graph
+
+import "testing"
+
+func TestRWRConvergenceAndSeed(t *testing.T) {
+ // 图: A-B-C 链 + D 孤立
+ adj := map[int64][]AdjEdge{
+ 1: {{2, 1}}, 2: {{1, 1}, {3, 1}}, 3: {{2, 1}}, 4: {{}},
+ }
+ r := RWR([]int64{1}, adj, 0.25)
+ if r[1] <= 0 {
+ t.Fatal("种子节点质量必须 > 0")
+ }
+ // 与种子连通的质量应高于孤立节点
+ if r[4] >= r[3] {
+ t.Errorf("孤立节点质量不应高于连通节点: r4=%f r3=%f", r[4], r[3])
+ }
+ // 归一化 [0,1]
+ for _, v := range r {
+ if v < 0 || v > 1 {
+ t.Errorf("质量未归一化: %f", v)
+ }
+ }
+}
+
+func TestRWRWeightedByProvenance(t *testing.T) {
+ // A -exact-> B, A -fuzzy-> C：B 的质量应高于 C
+ adj := map[int64][]AdjEdge{
+ 1: {{2, 1.0}, {3, 0.5}},
+ 2: {{1, 1.0}},
+ 3: {{1, 0.5}},
+ }
+ r := RWR([]int64{1}, adj, 0.25)
+ if r[2] <= r[3] {
+ t.Errorf("exact 边节点质量应高于 fuzzy: r2=%f r3=%f", r[2], r[3])
+ }
+}
--
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