test(webapp): provide an environment variable for e2e tests

.env.template

@@ -10,3 +10,4 @@ REST_USERNAME=
 REST_PASSWORD=
 REST_URL=
 REST_PAGE=
+CYPRESS_TEST_URL=

web-app/.gitlab-ci.yml

@@ -40,17 +40,14 @@ web-app-unit-tests:
 web-app-e2e-tests:
   image: $NODE_IMAGE
   stage: web-app-tests
-
-  # services:
-  #   - name: $DOCKER_IMAGE
-  #     alias: app
   script:
+    - export CYPRESS_TEST_URL=$TEST_URL
     - echo "Running e2e tests"
     - apt-get update
     - apt-get install curl
     - cd ./web-app
     - npm install --include=dev
     - echo "Wait web-app app is running"
-    - for i in {1..6}; do curl -f https://app.mse.kb28.ch/ && break || sleep 5; done
+    - for i in {1..6}; do curl -f $CYPRESS_TEST_URL && break || sleep 5; done
     - echo "App is running"
     - npm run test:e2e

web-app/cypress/e2e/fetch_process.cy.ts

@@ -2,7 +2,7 @@
 
 describe("Test fetch measurments button in the main page", () => {
   beforeEach(() => {
-    cy.visit("https://app.mse.kb28.ch");
+    cy.visit(Cypress.env("TEST_URL"));
   });
 
   it("Fetch timeseries with valid user-room-device", () => {

web-app/test.md

@@ -25,6 +25,16 @@ cd ./web-app
 npm install --inlude=dev
 ```
 
+### Before Running Tests
+A test url is needed to perform the tests in local:
+```bash
+export CYPRESS_TEST_URL=http://your-test-url.com
+```
+Note: most of the time, if you are testing in local, you can use:
+```bash
+export CYPRESS_TEST_URL=http://localhost:8080/
+```
+
 ### Run unit Tests
 ```bash
 npm run test:unit