68 lines
2.3 KiB
TypeScript
68 lines
2.3 KiB
TypeScript
import assert from "node:assert/strict";
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import test from "node:test";
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import { evaluateSqlSafety, sqlSafetyFromEnv } from "../src/sql-safety.js";
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test("allows read-only SQL by default", () => {
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const decision = evaluateSqlSafety("select * from users limit 5");
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assert.equal(decision.allowed, true);
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});
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test("allows non-dangerous write SQL by default when scoped", () => {
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const decision = evaluateSqlSafety("update users set role = 'admin' where id = 1", sqlSafetyFromEnv({}));
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assert.equal(decision.allowed, true);
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});
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test("blocks dangerous SQL even when writes are enabled", () => {
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const decision = evaluateSqlSafety("drop table users", { allowWrites: true });
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assert.equal(decision.allowed, false);
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assert.match(decision.reason ?? "", /dangerous/i);
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});
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test("blocks update without where when writes are enabled", () => {
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const decision = evaluateSqlSafety("update users set disabled = true", { allowWrites: true });
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assert.equal(decision.allowed, false);
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assert.match(decision.reason ?? "", /WHERE/i);
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});
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test("blocks multiple SQL statements unless explicitly allowed", () => {
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const decision = evaluateSqlSafety("select 1; select 2");
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assert.equal(decision.allowed, false);
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assert.match(decision.reason ?? "", /Only one SQL statement/);
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});
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test("allows multiple read-only SQL statements when enabled", () => {
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const decision = evaluateSqlSafety("select 1; show tables", { allowMultipleStatements: true });
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assert.equal(decision.allowed, true);
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});
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test("checks every statement in a multi-statement SQL string", () => {
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const decision = evaluateSqlSafety("select 1; delete from users", {
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allowMultipleStatements: true,
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allowWrites: true,
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});
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assert.equal(decision.allowed, false);
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assert.match(decision.reason ?? "", /Statement 2/i);
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assert.match(decision.reason ?? "", /WHERE/i);
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});
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test("sqlSafetyFromEnv allows writes by default but keeps dangerous SQL blocked", () => {
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const options = sqlSafetyFromEnv({});
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assert.equal(options.allowWrites, true);
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assert.equal(options.allowDangerous, false);
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});
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test("sqlSafetyFromEnv supports explicitly disabling writes", () => {
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const options = sqlSafetyFromEnv({ DBX_MCP_ALLOW_WRITES: "0" } as NodeJS.ProcessEnv);
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assert.equal(options.allowWrites, false);
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assert.equal(options.allowDangerous, false);
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});
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