navy/lib/middleware/__tests__/set-env-vars.js

Quick and powerful development environments using Docker and Docker Compose

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _chai = require("chai");
var _setEnvVars = _interopRequireDefault(require("../set-env-vars"));
/* eslint-env mocha */

describe('set-env-vars middleware', function () {
  it('should leave the service environment unchanged when no state exists for it', function () {
    const config = {
      services: {
        api: {
          environment: {
            FOO: 'bar'
          }
        }
      }
    };
    const state = {
      services: {}
    };
    const result = (0, _setEnvVars.default)(config, state);
    (0, _chai.expect)(result.services.api.environment).to.eql({
      FOO: 'bar'
    });
  });
  it('should merge state.services[name].environment over the config environment', function () {
    const config = {
      services: {
        api: {
          environment: {
            FOO: 'bar',
            BAZ: 'qux'
          }
        }
      }
    };
    const state = {
      services: {
        api: {
          environment: {
            FOO: 'overridden',
            NEW: 'value'
          }
        }
      }
    };
    const result = (0, _setEnvVars.default)(config, state);
    (0, _chai.expect)(result.services.api.environment).to.eql({
      FOO: 'overridden',
      BAZ: 'qux',
      NEW: 'value'
    });
  });
  it('should produce an empty environment when neither config nor state defines one', function () {
    const config = {
      services: {
        api: {}
      }
    };
    const state = {
      services: {}
    };
    const result = (0, _setEnvVars.default)(config, state);
    (0, _chai.expect)(result.services.api.environment).to.eql({});
  });
  it('should preserve service config keys other than environment', function () {
    const config = {
      services: {
        api: {
          image: 'api:1',
          environment: {
            A: '1'
          }
        }
      }
    };
    const state = {
      services: {
        api: {
          environment: {
            B: '2'
          }
        }
      }
    };
    const result = (0, _setEnvVars.default)(config, state);
    (0, _chai.expect)(result.services.api.image).to.equal('api:1');
    (0, _chai.expect)(result.services.api.environment).to.eql({
      A: '1',
      B: '2'
    });
  });
});