add tripcode tests

helpers/posting/tripcode.test.js

@@ -0,0 +1,29 @@
+const { getSecureTrip, getInsecureTrip } = require('./tripcode.js');
+
+describe('getSecureTrip() - "secure" tripcodes', () => {
+	const cases = [
+		{ in: '' },
+		{ in: null },
+		{ in: '13245' },
+		{ in: '1324512345123451234512345123451234512345' },
+	];
+	for(let i in cases) {
+		test(`should not error for an input of ${cases[i].in}`, async () => {
+			expect((await getSecureTrip(cases[i].in)));
+		});
+	}
+});
+
+describe('getInsecureTrip() - "insecure" tripcodes', () => {
+	const cases = [
+		{ in: '', out: "8NBuQ4l6uQ" },
+		{ in: null, out: "8NBuQ4l6uQ" },
+		{ in: '13245', out: "VPkdFNhOGY" },
+		{ in: '1324512345123451234512345123451234512345', out: "9ovLU2O1wk" },
+	];
+	for(let i in cases) {
+		test(`should contain ${cases[i].out} for an input of ${cases[i].in}`, () => {
+			expect(getInsecureTrip(cases[i].in)).toBe(cases[i].out);
+		});
+	}
+});