Write e2e tests for CLI apps with ease.
$ npm install --save-dev cli-prompts-testargs: CLI args to pass in.answers: answers to be passed tostdout(simulate user input).options: Optionally specify thetestPath(defaults toprocess.cwd()) andtimeout(defaults to500ms) between keystrokes.
// cli.js
const enquirer = require("enquirer");
const choices = ['First option', 'Second option', 'Third option'];
enquirer
.prompt({
type: "select",
name: "option",
message: "Choose from below",
choices,
})
.then(({ option }) => {
console.log(`You chose ${option}`);
});// test.js
const runTest, { DOWN, ENTER } = require("cli-prompts-test");
const cliPath = `${__dirname}/cli.js`;
describe("cli-prompts-test", () => {
it("picks first option", async () => {
const { stdout } = await runTest(
[cliPath],
[ENTER]
);
expect(stdout).toContain("You chose First option");
});
it("picks second option", async () => {
const { stdout } = await runTest(
[cliPath],
[`${DOWN}${ENTER}`]
);
expect(stdout).toContain("You chose Second option");
});
it("picks third option", async () => {
const { stdout } = await runTest(
[cliPath],
[`${DOWN}${DOWN}${ENTER}`]
);
expect(stdout).toContain("You chose Third option");
});
});Find an example here.