Added login tests

Author: wakaleo

src/test/java/com/serenitydojo/playwright/toolshop/login/LoginPage.java

@@ -0,0 +1,33 @@
+package com.serenitydojo.playwright.toolshop.login;
+
+import com.microsoft.playwright.Page;
+import com.microsoft.playwright.options.AriaRole;
+import com.serenitydojo.playwright.toolshop.domain.User;
+
+public class LoginPage {
+    private final Page page;
+
+    public LoginPage(Page page) {
+        this.page = page;
+    }
+
+    public void open() {
+        page.navigate("https://practicesoftwaretesting.com/auth/login");
+    }
+
+    public void loginAs(User user) {
+        page.getByPlaceholder("Your email").fill(user.email());
+        page.getByPlaceholder("Your password").fill(user.password());
+        page.getByRole(AriaRole.BUTTON,
+                       new Page.GetByRoleOptions().setName("Login")).click();
+
+    }
+
+    public String title() {
+        return page.getByTestId("page-title").textContent();
+    }
+
+    public String loginErrorMessage() {
+        return page.getByTestId("login-error").textContent();
+    }
+}

src/test/java/com/serenitydojo/playwright/toolshop/login/LoginWithRegisteredUserTest.java

@@ -0,0 +1,42 @@
+package com.serenitydojo.playwright.toolshop.login;
+
+import com.serenitydojo.playwright.toolshop.domain.User;
+import com.serenitydojo.playwright.toolshop.fixtures.PlaywrightTestCase;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class LoginWithRegisteredUserTest extends PlaywrightTestCase {
+
+    @Test
+    @DisplayName("Should be able to login with a registered user")
+    void should_login_with_registered_user() {
+        // Register a user via the API
+        User user = User.randomUser();
+        UserAPIClient userAPIClient = new UserAPIClient(page);
+        userAPIClient.registerUser(user);
+
+        // Login via the login page
+        LoginPage loginPage = new LoginPage(page);
+        loginPage.open();
+        loginPage.loginAs(user);
+
+        // Check that we are on the right account page
+        assertThat(loginPage.title()).isEqualTo("My account");
+    }
+
+    @Test
+    @DisplayName("Should reject a user if they provide a wrong password")
+    void should_reject_user_with_invalid_password() {
+        User user = User.randomUser();
+        UserAPIClient userAPIClient = new UserAPIClient(page);
+        userAPIClient.registerUser(user);
+
+        LoginPage loginPage = new LoginPage(page);
+        loginPage.open();
+        loginPage.loginAs(user.withPassword("wrong-password"));
+
+        assertThat(loginPage.loginErrorMessage()).isEqualTo("Invalid email or password");
+    }
+}

src/test/java/com/serenitydojo/playwright/toolshop/login/UserAPIClient.java

@@ -0,0 +1,27 @@
+package com.serenitydojo.playwright.toolshop.login;
+
+import com.microsoft.playwright.Page;
+import com.microsoft.playwright.options.RequestOptions;
+import com.serenitydojo.playwright.toolshop.domain.User;
+
+public class UserAPIClient {
+    private final Page page;
+
+    private static final String REGISTER_USER = "https://api.practicesoftwaretesting.com/users/register";
+
+    public UserAPIClient(Page page) {
+        this.page = page;
+    }
+
+    public void registerUser(User user) {
+        var response = page.request().post(
+                REGISTER_USER,
+                RequestOptions.create()
+                        .setData(user)
+                        .setHeader("Content-Type", "application/json")
+                        .setHeader("Accept", "application/json"));
+        if (response.status() != 201) {
+            throw new IllegalStateException("Could not create user: " + response.text());
+        }
+    }
+}