/
fill-cache-with-new-subtree-data.test.tsx
152 lines (144 loc) · 4.34 KB
/
fill-cache-with-new-subtree-data.test.tsx
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
import React from 'react'
import { fillCacheWithNewSubTreeData } from './fill-cache-with-new-subtree-data'
import { CacheStates, CacheNode } from '../../../shared/lib/app-router-context'
import type { FlightData } from '../../../server/app-render/types'
const getFlightData = (): FlightData => {
return [
[
'children',
'linking',
'children',
'about',
[
'about',
{
children: ['', {}],
},
],
<h1>SubTreeData Injected!</h1>,
<>
<title>Head Injected!</title>
</>,
],
]
}
describe('fillCacheWithNewSubtreeData', () => {
it('should apply subTreeData and head property', () => {
const cache: CacheNode = {
status: CacheStates.LAZY_INITIALIZED,
data: null,
subTreeData: null,
parallelRoutes: new Map(),
}
const existingCache: CacheNode = {
data: null,
status: CacheStates.READY,
subTreeData: <>Root layout</>,
parallelRoutes: new Map([
[
'children',
new Map([
[
'linking',
{
data: null,
status: CacheStates.READY,
subTreeData: <>Linking</>,
parallelRoutes: new Map([
[
'children',
new Map([
[
'',
{
data: null,
status: CacheStates.READY,
subTreeData: <>Page</>,
parallelRoutes: new Map(),
},
],
]),
],
]),
},
],
]),
],
]),
}
const flightData = getFlightData()
if (typeof flightData === 'string') {
throw new Error('invalid flight data')
}
// Mirrors the way router-reducer values are passed in.
const flightDataPath = flightData[0]
fillCacheWithNewSubTreeData(cache, existingCache, flightDataPath)
const expectedCache: CacheNode = {
data: null,
status: CacheStates.LAZY_INITIALIZED,
subTreeData: null,
parallelRoutes: new Map([
[
'children',
new Map([
[
'linking',
{
data: null,
status: CacheStates.READY,
subTreeData: <>Linking</>,
parallelRoutes: new Map([
[
'children',
new Map([
// TODO-APP: this segment should be preserved when creating the new cache
[
'',
{
data: null,
status: CacheStates.READY,
subTreeData: <>Page</>,
parallelRoutes: new Map(),
},
],
[
'about',
{
data: null,
parallelRoutes: new Map([
[
'children',
new Map([
[
'',
{
data: null,
status: CacheStates.LAZY_INITIALIZED,
subTreeData: null,
parallelRoutes: new Map(),
head: (
<>
<title>Head Injected!</title>
</>
),
},
],
]),
],
]),
subTreeData: <h1>SubTreeData Injected!</h1>,
status: CacheStates.READY,
},
],
]),
],
]),
},
],
]),
],
]),
}
expect(cache).toMatchObject(expectedCache)
})
})