Chore: Login via the API by default in Cypress (#43167)

* Use the api to login in cypress by default

* export getBaseUrl

* Revert "export getBaseUrl"

This reverts commit ae7eecea37.

* just use BASE_URL from the env

* fix exemplars test

* move into separate functions

e2e/shared/smokeTestScenario.ts

@@ -6,6 +6,7 @@ export const smokeTestScenario = {
   addScenarioDataSource: true,
   addScenarioDashBoard: true,
   skipScenario: false,
+  loginViaApi: false,
   scenario: () => {
     e2e.flows.openDashboard();
     e2e.components.PageToolbar.item('Add panel').click();

e2e/various-suite/exemplars.spec.ts

@@ -21,7 +21,7 @@ describe('Exemplars', () => {
     e2e.flows.login('admin', 'admin');
 
     e2e()
-      .request({ url: `/api/datasources/name/${dataSourceName}`, failOnStatusCode: false })
+      .request({ url: `${e2e.env('BASE_URL')}/api/datasources/name/${dataSourceName}`, failOnStatusCode: false })
       .then((response) => {
         if (response.isOkStatusCode) {
           return;

packages/grafana-e2e/src/flows/login.ts

@@ -1,9 +1,21 @@
 import { e2e } from '../index';
+import { fromBaseUrl } from '../support/url';
 
 const DEFAULT_USERNAME = 'admin';
 const DEFAULT_PASSWORD = 'admin';
 
-export const login = (username = DEFAULT_USERNAME, password = DEFAULT_PASSWORD) => {
+const loginApi = (username: string, password: string) => {
+  cy.request({
+    method: 'POST',
+    url: fromBaseUrl('/login'),
+    body: {
+      user: username,
+      password,
+    },
+  });
+};
+
+const loginUi = (username: string, password: string) => {
   e2e().logToConsole('Logging in with username:', username);
   e2e.pages.Login.visit();
   e2e.pages.Login.username()
@@ -18,5 +30,13 @@ export const login = (username = DEFAULT_USERNAME, password = DEFAULT_PASSWORD)
   }
 
   e2e().get('.login-page').should('not.exist');
+};
+
+export const login = (username = DEFAULT_USERNAME, password = DEFAULT_PASSWORD, loginViaApi = true) => {
+  if (loginViaApi) {
+    loginApi(username, password);
+  } else {
+    loginUi(username, password);
+  }
   e2e().logToConsole('Logged in with username:', username);
 };

packages/grafana-e2e/src/support/scenario.ts

@@ -7,6 +7,7 @@ export interface ScenarioArguments {
   skipScenario?: boolean;
   addScenarioDataSource?: boolean;
   addScenarioDashBoard?: boolean;
+  loginViaApi?: boolean;
 }
 
 export const e2eScenario = ({
@@ -16,12 +17,13 @@ export const e2eScenario = ({
   skipScenario = false,
   addScenarioDataSource = false,
   addScenarioDashBoard = false,
+  loginViaApi = true,
 }: ScenarioArguments) => {
   describe(describeName, () => {
     if (skipScenario) {
       it.skip(itName, () => scenario());
     } else {
-      before(() => e2e.flows.login(e2e.env('USERNAME'), e2e.env('PASSWORD')));
+      before(() => e2e.flows.login(e2e.env('USERNAME'), e2e.env('PASSWORD'), loginViaApi));
 
       beforeEach(() => {
         Cypress.Cookies.preserveOnce('grafana_session');