160 lines
4.1 KiB
TypeScript
160 lines
4.1 KiB
TypeScript
import vm from "vm"
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import { processStringSync, encodeJSBinding, setJSRunner } from "../src/index"
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import { UUID_REGEX } from "./constants"
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const processJS = (js: string, context?: object): any => {
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return processStringSync(encodeJSBinding(js), context)
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}
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describe("Javascript", () => {
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beforeAll(() => {
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setJSRunner((js, context) => {
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return vm.runInNewContext(js, context, { timeout: 1000 })
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})
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})
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describe("Test the JavaScript helper", () => {
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it("should execute a simple expression", () => {
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const output = processJS(`return 1 + 2`)
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expect(output).toBe(3)
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})
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it("should be able to use primitive bindings", () => {
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const output = processJS(`return $("foo")`, {
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foo: "bar",
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})
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expect(output).toBe("bar")
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})
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it("should be able to use an object binding", () => {
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const output = processJS(`return $("foo").bar`, {
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foo: {
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bar: "baz",
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},
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})
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expect(output).toBe("baz")
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})
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it("should be able to use a complex object binding", () => {
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const output = processJS(`return $("foo").bar[0].baz`, {
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foo: {
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bar: [
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{
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baz: "shazbat",
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},
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],
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},
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})
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expect(output).toBe("shazbat")
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})
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it("should be able to use a deep binding", () => {
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const output = processJS(`return $("foo.bar.baz")`, {
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foo: {
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bar: {
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baz: "shazbat",
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},
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},
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})
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expect(output).toBe("shazbat")
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})
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it("should be able to return an object", () => {
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const output = processJS(`return $("foo")`, {
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foo: {
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bar: {
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baz: "shazbat",
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},
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},
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})
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expect(output.bar.baz).toBe("shazbat")
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})
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it("should be able to return an array", () => {
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const output = processJS(`return $("foo")`, {
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foo: ["a", "b", "c"],
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})
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expect(output[2]).toBe("c")
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})
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it("should be able to return null", () => {
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const output = processJS(`return $("foo")`, {
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foo: null,
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})
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expect(output).toBe(null)
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})
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it("should be able to return undefined", () => {
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const output = processJS(`return $("foo")`, {
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foo: undefined,
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})
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expect(output).toBe(undefined)
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})
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it("should be able to return 0", () => {
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const output = processJS(`return $("foo")`, {
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foo: 0,
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})
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expect(output).toBe(0)
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})
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it("should be able to return an empty string", () => {
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const output = processJS(`return $("foo")`, {
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foo: "",
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})
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expect(output).toBe("")
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})
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it("should be able to use a deep array binding", () => {
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const output = processJS(`return $("foo.0.bar")`, {
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foo: [
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{
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bar: "baz",
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},
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],
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})
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expect(output).toBe("baz")
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})
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it("should handle errors", () => {
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const output = processJS(`throw "Error"`)
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expect(output).toBe("Error while executing JS")
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})
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it("should timeout after one second", () => {
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const output = processJS(`while (true) {}`)
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expect(output).toBe("Timed out while executing JS")
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})
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it("should prevent access to the process global", () => {
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const output = processJS(`return process`)
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expect(output).toBe("Error while executing JS")
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})
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})
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describe("check JS helpers", () => {
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it("should error if using the format helper. not helpers.", () => {
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const output = processJS(`return helper.toInt(4.3)`)
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expect(output).toBe("Error while executing JS")
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})
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it("should be able to use toInt", () => {
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const output = processJS(`return helpers.toInt(4.3)`)
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expect(output).toBe(4)
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})
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it("should be able to use uuid", () => {
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const output = processJS(`return helpers.uuid()`)
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expect(output).toMatch(UUID_REGEX)
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})
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})
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describe("JS literal strings", () => {
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it("should be able to handle a literal string that is quoted (like role IDs)", () => {
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const output = processJS(`return $("'Custom'")`)
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expect(output).toBe("Custom")
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})
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})
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})
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