✅ cronjobs and tasks tests

src/tasks/transform.ts

@@ -5,12 +5,16 @@ const readFile = promisify(fs.readFile);
 const writeFile = promisify(fs.writeFile);
 const filename = "dist/index.html";
 const rgx = new RegExp('="/([^"]*)"', "g");
-const rootURI = process.env.ROOT_URI || "/";
 
-(async () => {
+const transform = async () => {
+	const rootURI = process.env.ROOT_URI || "/";
 	const input = (await readFile(filename)).toString();
 	await writeFile(
 		filename,
 		input.replace(rgx, (_: string, c1: string) => `="${rootURI}${c1}"`),
 	);
-})();
+};
+
+await transform();
+
+export default transform;

test/back-end/cronjobs/purge.test.ts

@@ -0,0 +1,25 @@
+import { describe, it, vi } from "vitest";
+
+const { mockDelete, mockSchedule, mockWhere } = vi.hoisted(() => ({
+	mockDelete: vi.fn(),
+	mockSchedule: vi.fn(),
+	mockWhere: vi.fn(() => ({
+		delete: mockDelete,
+		select: () => [{ id: 1234 }],
+	})),
+}));
+
+vi.mock("knex", () => ({ default: () => () => ({ where: mockWhere }) }));
+vi.mock("node-cron", () => ({ schedule: mockSchedule }));
+
+describe("purge cronjob", async () => {
+	await import("../../../src/back-end/cronjobs/purge");
+
+	it("deletes expired stories and associated votes", async ({ expect }) => {
+		await mockSchedule.mock.lastCall![1](new Date());
+
+		expect(mockWhere).toHaveBeenCalledWith("storyId", 1234);
+		expect(mockWhere).toHaveBeenCalledWith("id", 1234);
+		expect(mockDelete).toHaveBeenCalledTimes(2);
+	});
+});

test/tasks/transform.test.ts

@@ -0,0 +1,41 @@
+import { readFile, writeFile } from "fs";
+import { describe, it, vi } from "vitest";
+import transform from "../../src/tasks/transform";
+
+const { mockPromisify, mockWriteFile } = vi.hoisted(() => ({
+	mockPromisify: (arg: unknown) => {
+		switch (arg) {
+			case readFile:
+				return () => '<link href="/test" />';
+			case writeFile:
+				return mockWriteFile;
+		}
+	},
+	mockWriteFile: vi.fn(),
+}));
+
+vi.mock("util", () => ({ default: { promisify: mockPromisify } }));
+
+describe("transform task", () => {
+	it("keeps links intact when rootURI is /", async ({ expect }) => {
+		vi.stubEnv("ROOT_URI", "/");
+
+		await transform();
+
+		expect(mockWriteFile).toHaveBeenCalledWith(
+			expect.anything(),
+			'<link href="/test" />',
+		);
+	});
+
+	it("reformats links when rootURI is custom", async ({ expect }) => {
+		vi.stubEnv("ROOT_URI", "/prefix/");
+
+		await transform();
+
+		expect(mockWriteFile).toHaveBeenCalledWith(
+			expect.anything(),
+			'<link href="/prefix/test" />',
+		);
+	});
+});