File size: 3,479 Bytes
1e92f2d
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
import type { DomainLocale } from '../config'
import { I18NProvider } from './i18n-provider'
import type { LocaleAnalysisResult } from './i18n-provider'

describe('I18NProvider', () => {
  const config = {
    defaultLocale: 'en',
    locales: ['en', 'fr', 'en-CA'],
    domains: [
      {
        domain: 'example.com',
        defaultLocale: 'en',
        locales: ['en-CA'],
      },
      {
        domain: 'example.fr',
        defaultLocale: 'fr',
      },
    ],
  }
  const provider = new I18NProvider(config)

  describe('detectDomainLocale', () => {
    it.each<{
      domain: string | undefined
      detectedLocale: string | undefined
      expected: DomainLocale | undefined
    }>([
      // Verify domains.
      ...config.domains.map((domainLocale) => ({
        domain: domainLocale.domain,
        detectedLocale: undefined,
        expected: domainLocale,
      })),

      // Verify not-found domains.
      {
        domain: 'example.de',
        detectedLocale: undefined,
        expected: undefined,
      },

      // Verify that the other detected locale will support the domain.
      {
        domain: 'example.ca',
        detectedLocale: 'en-CA',
        expected: config.domains.find((domainLocale) =>
          domainLocale.locales?.includes('en-CA')
        ),
      },
    ])('for domain $domain', ({ domain, detectedLocale, expected }) => {
      expect(provider.detectDomainLocale(domain, detectedLocale)).toEqual(
        expected
      )
    })
  })

  it('should detect the correct domain locale', () => {
    expect(provider.detectDomainLocale('example.com')).toEqual({
      domain: 'example.com',
      defaultLocale: 'en',
      locales: ['en-CA'],
    })
    expect(provider.detectDomainLocale('example.fr')).toEqual({
      domain: 'example.fr',
      defaultLocale: 'fr',
    })
    expect(provider.detectDomainLocale('example.de')).toBeUndefined()
  })

  describe('analyze', () => {
    it.each<{
      pathname: string
      defaultLocale: string | undefined
      expected: LocaleAnalysisResult
    }>([
      // Verify un-prefixed index routes.
      {
        pathname: '/',
        defaultLocale: config.defaultLocale,
        expected: {
          pathname: '/',
          detectedLocale: config.defaultLocale,
          inferredFromDefault: true,
        },
      },

      // Verify un-prefixed other routes.
      {
        pathname: '/another/page',
        defaultLocale: config.defaultLocale,
        expected: {
          pathname: '/another/page',
          detectedLocale: config.defaultLocale,
          inferredFromDefault: true,
        },
      },

      // Verify locale prefixed index routes.
      ...config.locales.map((locale) => ({
        pathname: `/${locale}`,
        defaultLocale: config.defaultLocale,
        expected: {
          pathname: '/',
          detectedLocale: locale,
          inferredFromDefault: false,
        },
      })),

      // Verify locale prefixed other routes.
      ...config.locales.map((locale) => ({
        pathname: `/${locale}/another/page`,
        defaultLocale: config.defaultLocale,
        expected: {
          pathname: '/another/page',
          detectedLocale: locale,
          inferredFromDefault: false,
        },
      })),
    ])(
      'for pathname $pathname and defaultLocale $defaultLocale',
      ({ pathname, defaultLocale, expected }) => {
        expect(provider.analyze(pathname, { defaultLocale })).toEqual(expected)
      }
    )
  })
})