TypeScript Unit Testing tape
Example
tape is minimalistic JavaScript testing framework, it outputs TAP-compliant markup.
To install tape using npm run command
npm install --save-dev tape @types/tape
To use tape with Typescript you need to install ts-node as global package, to do this run command
npm install -g ts-node
Now you are ready to write your first test
//math.test.ts
import * as test from "tape";
test("Math test", (t) => {
t.equal(4, 2 + 2);
t.true(5 > 2 + 2);
t.end();
});
To execute test run command
ts-node node_modules/tape/bin/tape math.test.ts
In output you should see
TAP version 13
# Math test
ok 1 should be equal
ok 2 should be truthy
1..2
# tests 2
# pass 2
# ok
Good job, you just ran your TypeScript test.
Run multiple test files
You can run multiple test files at once using path wildcards.
To execute all Typescript tests in tests directory run command
ts-node node_modules/tape/bin/tape tests/**/*.ts
