diff --git a/libs/auth/src/angular/login/default-login-component.service.spec.ts b/libs/auth/src/angular/login/default-login-component.service.spec.ts
new file mode 100644
index 00000000000..0428e3b5d61
--- /dev/null
+++ b/libs/auth/src/angular/login/default-login-component.service.spec.ts
@@ -0,0 +1,97 @@
+import { mock, MockProxy } from "jest-mock-extended";
+import { of } from "rxjs";
+
+import { SsoLoginServiceAbstraction } from "@bitwarden/common/auth/abstractions/sso-login.service.abstraction";
+import { ClientType } from "@bitwarden/common/enums";
+import { CryptoFunctionService } from "@bitwarden/common/platform/abstractions/crypto-function.service";
+import {
+  EnvironmentService,
+  Environment,
+} from "@bitwarden/common/platform/abstractions/environment.service";
+import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
+import { Utils } from "@bitwarden/common/platform/misc/utils";
+import { PasswordGenerationServiceAbstraction } from "@bitwarden/generator-legacy";
+
+
+
+
+
+import { DefaultLoginComponentService } from "./default-login-component.service";
+
+jest.mock("@bitwarden/common/platform/abstractions/crypto-function.service");
+jest.mock("@bitwarden/common/platform/abstractions/environment.service");
+jest.mock("@bitwarden/common/platform/abstractions/platform-utils.service");
+jest.mock("@bitwarden/common/auth/abstractions/sso-login.service.abstraction");
+jest.mock("@bitwarden/generator-legacy");
+
+describe("DefaultLoginComponentService", () => {
+  let service: DefaultLoginComponentService;
+  let cryptoFunctionService: MockProxy<CryptoFunctionService>;
+  let environmentService: MockProxy<EnvironmentService>;
+  let platformUtilsService: MockProxy<PlatformUtilsService>;
+  let ssoLoginService: MockProxy<SsoLoginServiceAbstraction>;
+  let passwordGenerationService: MockProxy<PasswordGenerationServiceAbstraction>;
+
+  beforeEach(() => {
+    cryptoFunctionService = mock<CryptoFunctionService>();
+    environmentService = mock<EnvironmentService>();
+    platformUtilsService = mock<PlatformUtilsService>();
+    ssoLoginService = mock<SsoLoginServiceAbstraction>();
+    passwordGenerationService = mock<PasswordGenerationServiceAbstraction>();
+
+    environmentService.environment$ = of({
+      getWebVaultUrl: () => "https://webvault.bitwarden.com",
+      getRegion: () => "US",
+      getUrls: () => ({}),
+      isCloud: () => true,
+      getApiUrl: () => "https://api.bitwarden.com",
+    } as Environment);
+
+    service = new DefaultLoginComponentService(
+      cryptoFunctionService,
+      environmentService,
+      passwordGenerationService,
+      platformUtilsService,
+      ssoLoginService,
+    );
+  });
+
+  it("creates without error", () => {
+    expect(service).toBeTruthy();
+  });
+
+  it("getOrgPolicies returns null", async () => {
+    const result = await service.getOrgPolicies();
+    expect(result).toBeNull();
+  });
+
+  it("isLoginViaAuthRequestSupported returns false by default", () => {
+    expect(service.isLoginViaAuthRequestSupported()).toBe(false);
+  });
+
+  it("isLoginWithPasskeySupported returns true when clientType is Web", () => {
+    service["clientType"] = ClientType.Web;
+    expect(service.isLoginWithPasskeySupported()).toBe(true);
+  });
+
+  it("launches SSO browser window with correct URL", async () => {
+    const email = "test@bitwarden.com";
+    const clientId = "browser";
+    const state = "testState";
+    const codeVerifier = "testCodeVerifier";
+    const codeChallenge = "testCodeChallenge";
+
+    passwordGenerationService.generatePassword.mockResolvedValueOnce(state);
+    passwordGenerationService.generatePassword.mockResolvedValueOnce(codeVerifier);
+    jest.spyOn(Utils, "fromBufferToUrlB64").mockReturnValue(codeChallenge);
+
+    await service.launchSsoBrowserWindow(email, clientId);
+
+    expect(ssoLoginService.setSsoEmail).toHaveBeenCalledWith(email);
+    expect(ssoLoginService.setSsoState).toHaveBeenCalledWith(state);
+    expect(ssoLoginService.setCodeVerifier).toHaveBeenCalledWith(codeVerifier);
+    expect(platformUtilsService.launchUri).toHaveBeenCalledWith(
+      "https://webvault.bitwarden.com/#/sso?clientId=browser&redirectUri=https%3A%2F%2Fwebvault.bitwarden.com%2Fsso-connector.html&state=testState&codeChallenge=testCodeChallenge&email=test%40bitwarden.com",
+    );
+  });
+});