feat: jest testing (#13)

tests/baseClient.test.ts

@@ -0,0 +1,44 @@
+import { ClasschartsStudentClient } from "../src";
+import { code, dob } from "./config.json";
+import "jest-extended";
+const client = new ClasschartsStudentClient(code, dob);
+
+test("client logs in with correct credentials", () => {
+  return expect(client.login()).resolves.not.toThrow();
+});
+
+test("client fails to login with incorrect credentials", () => {
+  const fakeClient = new ClasschartsStudentClient("rewrew", "123");
+  return expect(fakeClient.login()).rejects.toThrowError();
+});
+
+test("client returns student data", () => {
+  return expect(client.getStudentInfo()).resolves.toBeObject();
+});
+
+test("client returns activity data", () => {
+  return expect(client.getActivity()).resolves.toBeArray();
+});
+
+test("client returns full activity", () => {
+  return client
+    .getFullActivity({ from: "2000-01-01", to: "2022-01-01" })
+    .then((data) => {
+      let valid = false;
+      if (data.length > 50) valid = true;
+      expect(valid).toBeTrue();
+    });
+});
+
+test("client returns behaviour data", () => {
+  pending();
+  return expect(client.getBehaviour()).resolves.toBeObject();
+});
+
+test("client returns homework data", () => {
+  return expect(client.listHomeworks()).resolves.toBeArray();
+});
+
+test("client returns badges", () => {
+  expect(client.getBadges()).resolves.toBeArray();
+});