add mockLogin function

Author: Tatamo

__tests__/__snapshots__/atcoder.ts.snap

@@ -1,22 +1,22 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`AtCoder contest abc101 1`] = `
+exports[`AtCoder get contest and task information contest abc101 1`] = `
 Object {
   "id": "abc101",
   "title": "AtCoder Beginner Contest 101",
   "url": "https://atcoder.jp/contests/abc101",
 }
 `;
 
-exports[`AtCoder contest arc101 1`] = `
+exports[`AtCoder get contest and task information contest arc101 1`] = `
 Object {
   "id": "arc101",
   "title": "AtCoder Regular Contest 101",
   "url": "https://atcoder.jp/contests/arc101",
 }
 `;
 
-exports[`AtCoder task abc101 abc101_a 1`] = `
+exports[`AtCoder get contest and task information task abc101 abc101_a 1`] = `
 Object {
   "id": "abc101_a",
   "label": "A",
@@ -25,7 +25,7 @@ Object {
 }
 `;
 
-exports[`AtCoder task abc101 abc101_b 1`] = `
+exports[`AtCoder get contest and task information task abc101 abc101_b 1`] = `
 Object {
   "id": "abc101_b",
   "label": "B",
@@ -34,7 +34,7 @@ Object {
 }
 `;
 
-exports[`AtCoder task arc101 arc101_a 1`] = `
+exports[`AtCoder get contest and task information task arc101 arc101_a 1`] = `
 Object {
   "id": "arc101_a",
   "label": "C",
@@ -43,7 +43,7 @@ Object {
 }
 `;
 
-exports[`AtCoder tasks abc101 1`] = `
+exports[`AtCoder get contest and task information tasks abc101 1`] = `
 Array [
   Object {
     "id": "abc101_a",
@@ -72,7 +72,7 @@ Array [
 ]
 `;
 
-exports[`AtCoder tasks arc101 1`] = `
+exports[`AtCoder get contest and task information tasks arc101 1`] = `
 Array [
   Object {
     "id": "arc101_a",

__tests__/atcoder.ts

@@ -17,6 +17,14 @@ Cookie.prototype.loadConfigFile = jest.fn(async function () {
 Cookie.prototype.saveConfigFile = jest.fn(async function () {
 });
 
+// 標準入力を求めることなくログインを行う
+const mockLogin = async (atcoder: AtCoder) => {
+	// ユーザー名とパスワードを標準入力で受け付けるかわりに、JSONファイルから取得した情報を流し込む
+	// @ts-ignore
+	inquirer.prompt.mockResolvedValueOnce({username, password});
+	return await atcoder.login();
+};
+
 /*
  このテストが失敗する場合、まず以下の点を確認してください
  - __tests__/auth.json が存在し、正しいユーザー名とパスワードが記述されていること
@@ -28,49 +36,44 @@ test("AtCoder Login", async () => {
 	const atcoder = new AtCoder();
 	expect(await atcoder.checkSession()).toBe(false);
 
-	// ユーザー名とパスワードを標準入力で受け付けるかわりにファイルから流し込むようモックする
-	// @ts-ignore
-	inquirer.prompt.mockResolvedValueOnce({username, password});
-
-	expect(await atcoder.login()).toBe(true);
+	expect(await mockLogin(atcoder)).toBe(true);
 	expect(await atcoder.checkSession(true)).toBe(true);
 });
 
 describe("AtCoder", async () => {
-	let atcoder: AtCoder;
-	beforeEach(async () => {
-		atcoder = new AtCoder();
-		// @ts-ignore
-		inquirer.prompt.mockResolvedValueOnce({username, password});
-		await atcoder.login();
-	});
-	const contests = ["abc101", "arc101"];
-	describe("contest", async () => {
-		test.each(contests)("%s", async (contest_id) => {
-			expect(await atcoder.contest(contest_id)).toMatchSnapshot();
-		});
-		test("invalid contest id", async()=>{
-			await expect(atcoder.contest("abc0xx")).rejects.toThrow();
-		});
-	});
-	describe("tasks", async () => {
-		test.each(contests)("%s", async (contest_id) => {
-			expect(await atcoder.tasks(contest_id)).toMatchSnapshot();
-		});
-		test("invalid contest id", async()=>{
-			await expect(atcoder.tasks("abc0xx")).rejects.toThrow();
-		});
+	const atcoder = new AtCoder();
+	beforeAll(async () => {
+		await mockLogin(atcoder);
 	});
-	const tasks = [["abc101", "abc101_a"], ["abc101", "abc101_b"], ["arc101", "arc101_a"]];
-	describe("task", async () => {
-		test.each(tasks)("%s %s", async (contest_id, task_id) => {
-			expect(await atcoder.task(contest_id, task_id)).toMatchSnapshot();
+	describe("get contest and task information", async()=> {
+		const contests = ["abc101", "arc101"];
+		describe("contest", async () => {
+			test.each(contests)("%s", async (contest_id) => {
+				expect(await atcoder.contest(contest_id)).toMatchSnapshot();
+			});
+			test("invalid contest id", async () => {
+				await expect(atcoder.contest("abc0xx")).rejects.toThrow();
+			});
 		});
-		test("invalid contest id", async()=>{
-			await expect(atcoder.task("abc0xx", "abc0xx_z")).rejects.toThrow();
+		describe("tasks", async () => {
+			test.each(contests)("%s", async (contest_id) => {
+				expect(await atcoder.tasks(contest_id)).toMatchSnapshot();
+			});
+			test("invalid contest id", async () => {
+				await expect(atcoder.tasks("abc0xx")).rejects.toThrow();
+			});
 		});
-		test("invalid task id", async()=>{
-			await expect(atcoder.task("abc101", "abc102_a")).rejects.toThrow();
+		const tasks = [["abc101", "abc101_a"], ["abc101", "abc101_b"], ["arc101", "arc101_a"]];
+		describe("task", async () => {
+			test.each(tasks)("%s %s", async (contest_id, task_id) => {
+				expect(await atcoder.task(contest_id, task_id)).toMatchSnapshot();
+			});
+			test("invalid contest id", async () => {
+				await expect(atcoder.task("abc0xx", "abc0xx_z")).rejects.toThrow();
+			});
+			test("invalid task id", async () => {
+				await expect(atcoder.task("abc101", "abc102_a")).rejects.toThrow();
+			});
 		});
 	});
 });