Implement initial tests for primary units

Author: ArtyomVancyan

tests/utils.test.tsx

@@ -0,0 +1,42 @@
+import assert from "assert";
+
+import {checkValidity, getFormattedNumber, getMetadata, parsePhoneNumber} from "../src";
+
+describe("Verifying the basic functionality", () => {
+	it("Check the basic back-forward utilities", () => {
+		const rawValue = "17021234567";
+		const metadata = getMetadata(rawValue);
+
+		const formattedNumber = getFormattedNumber(rawValue, (metadata as any)[3]);
+		const phoneNumber = parsePhoneNumber(formattedNumber);
+
+		assert(formattedNumber !== null && formattedNumber === "+1 (702) 123 4567");
+		assert(phoneNumber !== null && phoneNumber.countryCode === 1);
+		assert(phoneNumber.areaCode === "702" && phoneNumber.phoneNumber === "1234567");
+	})
+
+	it("Check the phone number validity", () => {
+		assert(checkValidity(parsePhoneNumber("+1 (702) 123 4567")) === true);
+		assert(checkValidity(parsePhoneNumber("+1 (702) 123 456")) === false);
+
+		assert(checkValidity(parsePhoneNumber("+1 (702) 123 4567"), true) === true);
+		assert(checkValidity(parsePhoneNumber("+1 (100) 123 4567"), true) === false);
+	})
+
+	it("Check the order accuracy of getMetadata result", () => {
+		const bqMetadata = getMetadata("5990651111");
+		const cwMetadata = getMetadata("5997171111", undefined, "cw");
+		assert(bqMetadata !== null && (bqMetadata as any)[0] === "bq");
+		assert(cwMetadata !== null && (cwMetadata as any)[0] === "cw");
+
+		const gbMetadata = getMetadata("440201111111");
+		const jeMetadata = getMetadata("447797111111", undefined, "je");
+		assert(gbMetadata !== null && (gbMetadata as any)[0] === "gb");
+		assert(jeMetadata !== null && (jeMetadata as any)[0] === "je");
+
+		const itMetadata = getMetadata("39310111111111");
+		const vaMetadata = getMetadata("39066981111111", undefined, "va");
+		assert(itMetadata !== null && (itMetadata as any)[0] === "it");
+		assert(vaMetadata !== null && (vaMetadata as any)[0] === "va");
+	})
+})