test: add sign up e3e tests

fastapi/full-stack-fastapi-template#1268

Author: d4vidsha

frontend/src/routes/signup.tsx

@@ -87,7 +87,7 @@ function SignUp() {
             <Input
               id="full_name"
               minLength={3}
-              {...register("full_name")}
+              {...register("full_name", { required: "Full Name is required" })}
               placeholder="Full Name"
               type="text"
             />
@@ -102,6 +102,7 @@ function SignUp() {
             <Input
               id="email"
               {...register("email", {
+                required: "Email is required",
                 pattern: emailPattern,
               })}
               placeholder="Email"

frontend/tests/sign-up.spec.ts

@@ -0,0 +1,169 @@
+import { type Page, expect, test } from "@playwright/test"
+
+import { randomEmail } from "./utils/random"
+
+test.use({ storageState: { cookies: [], origins: [] } })
+
+type OptionsType = {
+  exact?: boolean
+}
+
+const fillForm = async (
+  page: Page,
+  full_name: string,
+  email: string,
+  password: string,
+  confirm_password: string,
+) => {
+  await page.getByPlaceholder("Full Name").fill(full_name)
+  await page.getByPlaceholder("Email").fill(email)
+  await page.getByPlaceholder("Password", { exact: true }).fill(password)
+  await page.getByPlaceholder("Repeat Password").fill(confirm_password)
+}
+
+const verifyInput = async (
+  page: Page,
+  placeholder: string,
+  options?: OptionsType,
+) => {
+  const input = page.getByPlaceholder(placeholder, options)
+  await expect(input).toBeVisible()
+  await expect(input).toHaveText("")
+  await expect(input).toBeEditable()
+}
+
+test("Inputs are visible, empty and editable", async ({ page }) => {
+  await page.goto("/signup")
+
+  await verifyInput(page, "Full Name")
+  await verifyInput(page, "Email")
+  await verifyInput(page, "Password", { exact: true })
+  await verifyInput(page, "Repeat Password")
+})
+
+test("Sign Up button is visible", async ({ page }) => {
+  await page.goto("/signup")
+
+  await expect(page.getByRole("button", { name: "Sign Up" })).toBeVisible()
+})
+
+test("Log In link is visible", async ({ page }) => {
+  await page.goto("/signup")
+
+  await expect(page.getByRole("link", { name: "Log In" })).toBeVisible()
+})
+
+test("Sign up with valid name, email, and password", async ({ page }) => {
+  const full_name = "Test User"
+  const email = randomEmail()
+  const password = "changethis"
+
+  await page.goto("/signup")
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+})
+
+test("Sign up with invalid email", async ({ page }) => {
+  await page.goto("/signup")
+
+  await fillForm(
+    page,
+    "Playwright Test",
+    "invalid-email",
+    "changethis",
+    "changethis",
+  )
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(page.getByText("Invalid email address")).toBeVisible()
+})
+
+test("Sign up with existing email", async ({ page }) => {
+  const full_name = "Test User"
+  const email = randomEmail()
+  const password = "changethis"
+
+  // Sign up with an email
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  // Sign up again with the same email
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await page
+    .getByText("The user with this email already exists in the system")
+    .click()
+})
+
+test("Sign up with weak password", async ({ page }) => {
+  const full_name = "Test User"
+  const email = randomEmail()
+  const password = "weak"
+
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(
+    page.getByText("Password must be at least 8 characters"),
+  ).toBeVisible()
+})
+
+test("Sign up with mismatched passwords", async ({ page }) => {
+  const full_name = "Test User"
+  const email = randomEmail()
+  const password = "changethis"
+  const password2 = "changethat"
+
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password2)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(page.getByText("Passwords do not match")).toBeVisible()
+})
+
+test("Sign up with missing full name", async ({ page }) => {
+  const full_name = ""
+  const email = randomEmail()
+  const password = "changethis"
+
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(page.getByText("Full Name is required")).toBeVisible()
+})
+
+test("Sign up with missing email", async ({ page }) => {
+  const full_name = "Test User"
+  const email = ""
+  const password = "changethis"
+
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(page.getByText("Email is required")).toBeVisible()
+})
+
+test("Sign up with missing password", async ({ page }) => {
+  const full_name = ""
+  const email = randomEmail()
+  const password = ""
+
+  await page.goto("/signup")
+
+  await fillForm(page, full_name, email, password, password)
+  await page.getByRole("button", { name: "Sign Up" }).click()
+
+  await expect(page.getByText("Password is required")).toBeVisible()
+})

frontend/tests/utils/random.ts

@@ -0,0 +1,11 @@
+export const randomEmail = () =>
+  `test_${Math.random().toString(36).substring(7)}@example.com`
+
+export const randomTeamName = () =>
+  `Team ${Math.random().toString(36).substring(7)}`
+
+export const slugify = (text: string) =>
+  text
+    .toLowerCase()
+    .replace(/\s+/g, "-")
+    .replace(/[^\w-]+/g, "")