DiAL/tests/server/checker/runner/shared/operator.test.ts

import { describe, expect, test } from "bun:test";

import {
  applyOperator,
  checkExpectValue,
  evaluateJsonPath,
} from "../../../../../src/server/checker/runner/shared/operator";

describe("evaluateJsonPath", () => {
  const obj = {
    active: true,
    code: 0,
    data: {
      count: 42,
      items: [{ name: "a" }, { name: "b" }],
      nested: { deep: "value" },
    },
    emptyArr: [],
    emptyObj: {},
    error: null,
    status: "ok",
  };

  test("简单字段访问", () => {
    expect(evaluateJsonPath(obj, "$.status")).toBe("ok");
    expect(evaluateJsonPath(obj, "$.code")).toBe(0);
    expect(evaluateJsonPath(obj, "$.active")).toBe(true);
    expect(evaluateJsonPath(obj, "$.error")).toBeNull();
  });

  test("嵌套对象访问", () => {
    expect(evaluateJsonPath(obj, "$.data.count")).toBe(42);
    expect(evaluateJsonPath(obj, "$.data.nested.deep")).toBe("value");
  });

  test("数组索引访问", () => {
    expect(evaluateJsonPath(obj, "$.data.items[0].name")).toBe("a");
    expect(evaluateJsonPath(obj, "$.data.items[1].name")).toBe("b");
  });

  test("路径不存在返回 undefined", () => {
    expect(evaluateJsonPath(obj, "$.notExist")).toBeUndefined();
    expect(evaluateJsonPath(obj, "$.data.notExist")).toBeUndefined();
    expect(evaluateJsonPath(obj, "$.data.items[99]")).toBeUndefined();
  });

  test("空对象和空数组", () => {
    expect(evaluateJsonPath(obj, "$.emptyObj")).toEqual({});
    expect(evaluateJsonPath(obj, "$.emptyArr")).toEqual([]);
  });

  test("非 $ 开头路径返回 undefined", () => {
    expect(evaluateJsonPath(obj, "status")).toBeUndefined();
    expect(evaluateJsonPath(obj, ".status")).toBeUndefined();
  });

  test("null 对象上访问", () => {
    expect(evaluateJsonPath(null, "$.any")).toBeUndefined();
  });
});

describe("applyOperator", () => {
  test("equals 操作符", () => {
    expect(applyOperator("ok", { equals: "ok" })).toBe(true);
    expect(applyOperator("ok", { equals: "error" })).toBe(false);
    expect(applyOperator(42, { equals: 42 })).toBe(true);
    expect(applyOperator(42, { equals: 41 })).toBe(false);
    expect(applyOperator(null, { equals: null })).toBe(true);
    expect(applyOperator(true, { equals: true })).toBe(true);
  });

  test("equals 支持 JSON 对象和数组", () => {
    expect(applyOperator({ status: "ok" }, { equals: { status: "ok" } })).toBe(true);
    expect(applyOperator({ status: "ok" }, { equals: { status: "fail" } })).toBe(false);
    expect(applyOperator(["a", "b"], { equals: ["a", "b"] })).toBe(true);
    expect(applyOperator(["a", "b"], { equals: ["b", "a"] })).toBe(false);
  });

  test("contains 操作符", () => {
    expect(applyOperator("hello world", { contains: "hello" })).toBe(true);
    expect(applyOperator("hello world", { contains: "missing" })).toBe(false);
    expect(applyOperator(12345, { contains: "23" })).toBe(true);
  });

  test("match 操作符", () => {
    expect(applyOperator("v2.1.0", { match: "\\d+\\.\\d+\\.\\d+" })).toBe(true);
    expect(applyOperator("v2.1", { match: "\\d+\\.\\d+\\.\\d+" })).toBe(false);
    expect(applyOperator("abc123", { match: "^\\w+\\d+$" })).toBe(true);
  });

  test("empty 操作符", () => {
    expect(applyOperator("", { empty: true })).toBe(true);
    expect(applyOperator(null, { empty: true })).toBe(true);
    expect(applyOperator(undefined, { empty: true })).toBe(true);
    expect(applyOperator([], { empty: true })).toBe(true);
    expect(applyOperator({}, { empty: true })).toBe(true);
    expect(applyOperator("ok", { empty: true })).toBe(false);
    expect(applyOperator([1, 2], { empty: false })).toBe(true);
    expect(applyOperator([], { empty: false })).toBe(false);
  });

  test("exists 操作符", () => {
    expect(applyOperator("ok", { exists: true })).toBe(true);
    expect(applyOperator(null, { exists: true })).toBe(true);
    expect(applyOperator(undefined, { exists: true })).toBe(false);
    expect(applyOperator(undefined, { exists: false })).toBe(true);
    expect(applyOperator("ok", { exists: false })).toBe(false);
  });

  test("gte 操作符", () => {
    expect(applyOperator(10, { gte: 5 })).toBe(true);
    expect(applyOperator(5, { gte: 5 })).toBe(true);
    expect(applyOperator(3, { gte: 5 })).toBe(false);
    expect(applyOperator("10", { gte: 5 })).toBe(true);
  });

  test("lte 操作符", () => {
    expect(applyOperator(3, { lte: 5 })).toBe(true);
    expect(applyOperator(5, { lte: 5 })).toBe(true);
    expect(applyOperator(10, { lte: 5 })).toBe(false);
  });

  test("gt 操作符", () => {
    expect(applyOperator(10, { gt: 5 })).toBe(true);
    expect(applyOperator(5, { gt: 5 })).toBe(false);
  });

  test("lt 操作符", () => {
    expect(applyOperator(3, { lt: 5 })).toBe(true);
    expect(applyOperator(5, { lt: 5 })).toBe(false);
  });

  test("多操作符 AND 组合", () => {
    expect(applyOperator(7, { gte: 5, lte: 10 })).toBe(true);
    expect(applyOperator(3, { gte: 5, lte: 10 })).toBe(false);
    expect(applyOperator(15, { gte: 5, lte: 10 })).toBe(false);
  });
});

describe("checkExpectValue", () => {
  test("原始值直接比较", () => {
    expect(checkExpectValue("ok", "ok")).toBe(true);
    expect(checkExpectValue("ok", "error")).toBe(false);
    expect(checkExpectValue(42, 42)).toBe(true);
    expect(checkExpectValue(null, null)).toBe(true);
  });

  test("对象作为操作符", () => {
    expect(checkExpectValue(42, { gte: 10 })).toBe(true);
    expect(checkExpectValue(42, { gte: 100 })).toBe(false);
    expect(checkExpectValue("hello", { contains: "ell" })).toBe(true);
  });
});