1import Configuration from '../configuration';
 2
 3describe("Configuration", ()=> {
 4  let subject = null;
 5
 6  describe("without overrides", () => {
 7    beforeEach(() => {
 8      subject = new Configuration();
 9    });
10
11    it ("loads the api host", () => {
12      expect(subject.value_for("API_HOST")).toEqual('https://www.stronglifters.com')
13    });
14
15    it ("loads the default ENV", () => {
16      expect(subject.value_for("ENV")).toEqual('production')
17    });
18  });
19
20  describe("with overrides", () => {
21    let overrides = null;
22
23    beforeEach(() => {
24      overrides = { ENV: 'development', API_HOST: 'http://localhost:3000' };
25      subject = new Configuration(overrides);
26    });
27
28    it ("loads the override for API_HOST", () => {
29      expect(subject.value_for("API_HOST")).toEqual('http://localhost:3000')
30    });
31
32    it ("loads the override for ENV", () => {
33      expect(subject.value_for("ENV")).toEqual('development')
34    });
35
36    it ("merges defaults with the overrides", () => {
37      overrides = { API_HOST: 'http://localhost:3000' };
38      subject = new Configuration(overrides);
39
40      expect(subject.value_for("ENV")).toEqual('production')
41      expect(subject.value_for("API_HOST")).toEqual('http://localhost:3000')
42    });
43  });
44});