react-native-keyboard-controller/src/components/KeyboardChatScrollView/useExtraContentPadding/__tests__/contentOffsetY.spec.ts at 8545cf792ca3ed7304a5ba4cd6c50fb77eb9fed3 · trcoffman/react-native-keyboard-controller · GitHub

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
import { sv } from "../../../../__fixtures__/sv";
import {
  createRender,
  flushRAF,
  mockScrollTo,
  reactionEffect,
} from "../__fixtures__/setup";

describe("useExtraContentPadding — contentOffsetY (iOS atomic path)", () => {
  it("should set contentOffsetY instead of scrollTo on grow (non-inverted)", () => {
    const render = createRender();
    const contentOffsetY = sv(100);

    render({
      extraContentPadding: sv(20),
      keyboardPadding: sv(300),
      scroll: sv(100),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY,
      inverted: false,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    reactionEffect(20, 0);

    expect(contentOffsetY.value).toBe(120);
    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should set contentOffsetY instead of scrollTo on grow (inverted)", () => {
    const render = createRender();
    const contentOffsetY = sv(5);

    render({
      extraContentPadding: sv(20),
      keyboardPadding: sv(300),
      scroll: sv(5),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY,
      inverted: true,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    reactionEffect(20, 0);

    expect(contentOffsetY.value).toBe(-15);
    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should set contentOffsetY instead of scrollTo on shrink (non-inverted)", () => {
    const render = createRender();
    const contentOffsetY = sv(1220);

    render({
      extraContentPadding: sv(0),
      keyboardPadding: sv(300),
      scroll: sv(1220),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY,
      inverted: false,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    reactionEffect(0, 20);

    expect(contentOffsetY.value).toBe(1200);
    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should clamp contentOffsetY to maxScroll (non-inverted)", () => {
    const render = createRender();
    const contentOffsetY = sv(1490);

    render({
      extraContentPadding: sv(50),
      keyboardPadding: sv(300),
      scroll: sv(1490),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY,
      inverted: false,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    // delta = 50, scroll + delta = 1540, maxScroll = 2000 - 800 + 300 + 50 = 1550
    reactionEffect(50, 0);

    expect(contentOffsetY.value).toBe(1540);
    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should clamp contentOffsetY to -totalPadding (inverted)", () => {
    const render = createRender();
    const contentOffsetY = sv(-280);

    render({
      extraContentPadding: sv(50),
      keyboardPadding: sv(300),
      scroll: sv(-280),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY,
      inverted: true,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    // delta = 50, target = -280 - 50 = -330, clamp to -350
    reactionEffect(50, 0);

    expect(contentOffsetY.value).toBe(-330);
    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should fall back to scrollTo when contentOffsetY is undefined", async () => {
    const render = createRender();

    render({
      extraContentPadding: sv(20),
      keyboardPadding: sv(300),
      scroll: sv(100),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      contentOffsetY: undefined,
      inverted: false,
      keyboardLiftBehavior: "always",
      freeze: false,
    });

    reactionEffect(20, 0);
    await flushRAF();

    expect(mockScrollTo).toHaveBeenCalledWith(expect.anything(), 0, 120, false);
  });
});