inventoresed/packages/config/src/Logic.test.ts

Z-Wave driver written entirely in JavaScript/TypeScript

import { evaluate } from "./Logic";

describe("Logic Parser", () => {
	const tests = [
		{
			logic: "firmwareVersion > 1.0",
			context: { firmwareVersion: "1.5" },
			expected: true,
		},
		{
			logic: "firmwareVersion > 1.5",
			context: { firmwareVersion: "1.5" },
			expected: false,
		},
		{
			logic: "a === 0 && b === 0 || a === 1 && b === 1",
			context: { a: 1, b: 1 },
			expected: true,
		},
		{
			logic: "a === 0 && (b === 0 || a === 1) && b === 1",
			context: { a: 1, b: 1 },
			expected: false,
		},
		// Regression tests
		{
			// Missing variable in the context does not throw (1)
			logic: "a > 0 || b === 1",
			context: {},
			expected: false,
		},
		{
			// Missing variable in the context does not throw (2)
			logic: "firmwareVersion > 1.5",
			context: {},
			expected: false,
		},
	] as const;

	for (let i = 1; i <= tests.length; i++) {
		const test = tests[i - 1];
		const { logic, context, expected } = test;
		it(`Test ${i}: ${JSON.stringify(
			context,
		)} --> ${logic} is ${expected}`, () => {
			expect(evaluate(logic, context)).toBe(expected);
		});
	}
});