89 lines
2.9 KiB
TypeScript
89 lines
2.9 KiB
TypeScript
import { strict as assert } from "node:assert";
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import test from "node:test";
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import type { AiContext } from "../src/lib/ai.ts";
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class MemoryStorage {
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private values = new Map<string, string>();
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getItem(key: string): string | null {
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return this.values.get(key) ?? null;
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}
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setItem(key: string, value: string) {
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this.values.set(key, value);
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}
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removeItem(key: string) {
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this.values.delete(key);
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}
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clear() {
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this.values.clear();
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}
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}
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Object.defineProperty(globalThis, "localStorage", {
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value: new MemoryStorage(),
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configurable: true,
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});
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const { buildSystemPrompt } = await import("../src/lib/ai.ts");
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function context(overrides: Partial<AiContext> = {}): AiContext {
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return {
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connectionName: "prod-analytics",
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databaseType: "postgres",
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database: "app",
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currentSql: "",
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tables: [
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{
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schema: "public",
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name: "orders",
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tableType: "TABLE",
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columns: [
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{ name: "id", data_type: "uuid", is_nullable: false, is_primary_key: true },
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{ name: "user_id", data_type: "uuid", is_nullable: false },
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{ name: "total", data_type: "numeric", is_nullable: false },
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],
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indexes: [{ name: "idx_orders_user_id", columns: ["user_id"], is_unique: false, is_primary: false }],
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foreignKeys: [{ column: "user_id", ref_table: "users", ref_column: "id" }],
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},
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],
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truncated: false,
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...overrides,
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};
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}
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test("agent mode prompt makes the first SQL block the executable recommendation", () => {
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const prompt = buildSystemPrompt("generate", context(), "agent");
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assert.match(prompt, /Agent 模式/);
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assert.match(prompt, /第一个 ```sql 代码块只能包含最终推荐执行的 SQL/);
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assert.match(prompt, /不要把解释性 SQL、备选 SQL、危险 SQL 放在第一个代码块/);
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});
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test("ask mode prompt forbids auto-execution assumptions", () => {
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const prompt = buildSystemPrompt("generate", context(), "ask");
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assert.match(prompt, /Ask 模式/);
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assert.match(prompt, /只生成 SQL 和说明/);
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assert.match(prompt, /不要暗示已经执行或即将自动执行/);
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});
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test("prompt gives explicit guidance for truncated schema context", () => {
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const prompt = buildSystemPrompt("generate", context({ truncated: true }), "ask");
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assert.match(prompt, /Schema context is truncated/);
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assert.match(prompt, /如果请求可能涉及未出现的表或字段，不要猜测/);
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assert.match(prompt, /@table/);
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});
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test("prompt enforces database dialect and single executable statement safety", () => {
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const prompt = buildSystemPrompt("generate", context({ databaseType: "sqlserver" }), "agent");
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assert.match(prompt, /严格使用当前数据库方言/);
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assert.match(prompt, /分页、日期函数、字符串拼接/);
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assert.match(prompt, /不要生成多语句 SQL/);
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assert.match(prompt, /不要在同一个回答里混合 SELECT 和写操作/);
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});
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