netlify.toml

[build]
command = "npm run build"
publish = "build"
base = "tests/routing"

[build.environment]
# cache Cypress binary in local "node_modules" folder
# so Netlify caches it
CYPRESS_CACHE_FOLDER = "./node_modules/CypressBinary"
# set TERM variable for terminal output
TERM = "xterm"
# do not print too many progress messages
CI = "1"

[[plugins]]
  # local Cypress plugin will test our site after it is built
  # in production, please use: package = "netlify-plugin-cypress"
  package = "../../"

  # run Cypress tests once on the site before it is built
  # and then after building the static folder

  [plugins.inputs]
    # these settings apply to the default step onSuccess
    # in this case, we do not want to run any tests after deploy
    enable = false

  # let's run tests against development server
  # before building it (and testing the built site)
  [plugins.inputs.preBuild]
    enable = true
    start = 'npm start'
    wait-on = 'http://localhost:3000'
    wait-on-timeout = '45' # seconds

  # and test the built site after
  [plugins.inputs.postBuild]
    enable = true
    # must allow our test server to redirect unknown routes to "/"
    # so that client-side routing can correctly route them
    # can be set to true or "index.html" (or similar fallback filename in the built folder)
    spa = true