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| 1 | +import React from 'react'; |
| 2 | +import { render, act } from '@testing-library/react-native'; |
| 3 | +import { Text, AppState } from 'react-native'; |
| 4 | +import { useSelector } from 'react-redux'; |
| 5 | +import { PerpsAlwaysOnProvider } from './PerpsAlwaysOnProvider'; |
| 6 | +import { PerpsConnectionManager } from '../services/PerpsConnectionManager'; |
| 7 | + |
| 8 | +jest.mock('react-redux', () => ({ |
| 9 | + useSelector: jest.fn(), |
| 10 | +})); |
| 11 | + |
| 12 | +jest.mock('../services/PerpsConnectionManager'); |
| 13 | + |
| 14 | +// Prevent PerpsStreamManager singleton from instantiating PERFORMANCE_CONFIG |
| 15 | +jest.mock('../providers/PerpsStreamManager', () => ({ |
| 16 | + PerpsStreamProvider: ({ children }: { children: React.ReactNode }) => |
| 17 | + children, |
| 18 | +})); |
| 19 | + |
| 20 | +jest.mock('@metamask/perps-controller', () => ({ |
| 21 | + PERPS_CONSTANTS: { |
| 22 | + FeatureName: 'perps', |
| 23 | + ReconnectionDelayAndroidMs: 500, |
| 24 | + }, |
| 25 | +})); |
| 26 | + |
| 27 | +jest.mock('../../../../util/Logger', () => ({ |
| 28 | + error: jest.fn(), |
| 29 | +})); |
| 30 | + |
| 31 | +jest.mock('../../../../util/errorUtils', () => ({ |
| 32 | + ensureError: jest.fn((err) => |
| 33 | + err instanceof Error ? err : new Error(String(err)), |
| 34 | + ), |
| 35 | +})); |
| 36 | + |
| 37 | +jest.mock('../index', () => ({ |
| 38 | + selectPerpsEnabledFlag: jest.fn(), |
| 39 | +})); |
| 40 | + |
| 41 | +const mockUseSelector = useSelector as jest.MockedFunction<typeof useSelector>; |
| 42 | +const mockConnect = PerpsConnectionManager.connect as jest.Mock; |
| 43 | +const mockDisconnect = PerpsConnectionManager.disconnect as jest.Mock; |
| 44 | + |
| 45 | +describe('PerpsAlwaysOnProvider', () => { |
| 46 | + let mockAppStateListener: ((state: string) => void) | null = null; |
| 47 | + let mockSubscriptionRemove: jest.Mock; |
| 48 | + let addEventListenerSpy: jest.SpyInstance; |
| 49 | + |
| 50 | + beforeEach(() => { |
| 51 | + jest.clearAllMocks(); |
| 52 | + jest.useFakeTimers(); |
| 53 | + |
| 54 | + mockConnect.mockResolvedValue(undefined); |
| 55 | + mockDisconnect.mockResolvedValue(undefined); |
| 56 | + |
| 57 | + mockSubscriptionRemove = jest.fn(); |
| 58 | + addEventListenerSpy = jest |
| 59 | + .spyOn(AppState, 'addEventListener') |
| 60 | + .mockImplementation((event, handler) => { |
| 61 | + if (event === 'change') { |
| 62 | + mockAppStateListener = handler as (state: string) => void; |
| 63 | + } |
| 64 | + return { remove: mockSubscriptionRemove }; |
| 65 | + }); |
| 66 | + |
| 67 | + // Default: perps enabled |
| 68 | + mockUseSelector.mockReturnValue(true); |
| 69 | + }); |
| 70 | + |
| 71 | + afterEach(() => { |
| 72 | + act(() => { |
| 73 | + jest.runOnlyPendingTimers(); |
| 74 | + }); |
| 75 | + jest.useRealTimers(); |
| 76 | + addEventListenerSpy.mockRestore(); |
| 77 | + mockAppStateListener = null; |
| 78 | + }); |
| 79 | + |
| 80 | + it('renders children', () => { |
| 81 | + const { getByText } = render( |
| 82 | + <PerpsAlwaysOnProvider> |
| 83 | + <Text>child content</Text> |
| 84 | + </PerpsAlwaysOnProvider>, |
| 85 | + ); |
| 86 | + expect(getByText('child content')).toBeTruthy(); |
| 87 | + }); |
| 88 | + |
| 89 | + it('calls connect on mount when perps is enabled', () => { |
| 90 | + render( |
| 91 | + <PerpsAlwaysOnProvider> |
| 92 | + <Text>child</Text> |
| 93 | + </PerpsAlwaysOnProvider>, |
| 94 | + ); |
| 95 | + expect(mockConnect).toHaveBeenCalledTimes(1); |
| 96 | + }); |
| 97 | + |
| 98 | + it('does not call connect on mount when perps is disabled', () => { |
| 99 | + mockUseSelector.mockReturnValue(false); |
| 100 | + |
| 101 | + render( |
| 102 | + <PerpsAlwaysOnProvider> |
| 103 | + <Text>child</Text> |
| 104 | + </PerpsAlwaysOnProvider>, |
| 105 | + ); |
| 106 | + |
| 107 | + expect(mockConnect).not.toHaveBeenCalled(); |
| 108 | + }); |
| 109 | + |
| 110 | + it('registers AppState listener when perps is enabled', () => { |
| 111 | + render( |
| 112 | + <PerpsAlwaysOnProvider> |
| 113 | + <Text>child</Text> |
| 114 | + </PerpsAlwaysOnProvider>, |
| 115 | + ); |
| 116 | + expect(addEventListenerSpy).toHaveBeenCalledWith( |
| 117 | + 'change', |
| 118 | + expect.any(Function), |
| 119 | + ); |
| 120 | + }); |
| 121 | + |
| 122 | + it('does not register AppState listener when perps is disabled', () => { |
| 123 | + mockUseSelector.mockReturnValue(false); |
| 124 | + |
| 125 | + render( |
| 126 | + <PerpsAlwaysOnProvider> |
| 127 | + <Text>child</Text> |
| 128 | + </PerpsAlwaysOnProvider>, |
| 129 | + ); |
| 130 | + |
| 131 | + expect(addEventListenerSpy).not.toHaveBeenCalled(); |
| 132 | + }); |
| 133 | + |
| 134 | + it('calls disconnect when app goes to background', () => { |
| 135 | + render( |
| 136 | + <PerpsAlwaysOnProvider> |
| 137 | + <Text>child</Text> |
| 138 | + </PerpsAlwaysOnProvider>, |
| 139 | + ); |
| 140 | + |
| 141 | + act(() => { |
| 142 | + mockAppStateListener?.('background'); |
| 143 | + }); |
| 144 | + |
| 145 | + expect(mockDisconnect).toHaveBeenCalledTimes(1); |
| 146 | + }); |
| 147 | + |
| 148 | + it('calls disconnect when app goes inactive', () => { |
| 149 | + render( |
| 150 | + <PerpsAlwaysOnProvider> |
| 151 | + <Text>child</Text> |
| 152 | + </PerpsAlwaysOnProvider>, |
| 153 | + ); |
| 154 | + |
| 155 | + act(() => { |
| 156 | + mockAppStateListener?.('inactive'); |
| 157 | + }); |
| 158 | + |
| 159 | + expect(mockDisconnect).toHaveBeenCalledTimes(1); |
| 160 | + }); |
| 161 | + |
| 162 | + it('calls connect after delay when app returns to foreground', () => { |
| 163 | + render( |
| 164 | + <PerpsAlwaysOnProvider> |
| 165 | + <Text>child</Text> |
| 166 | + </PerpsAlwaysOnProvider>, |
| 167 | + ); |
| 168 | + |
| 169 | + // Clear the initial mount connect call |
| 170 | + mockConnect.mockClear(); |
| 171 | + |
| 172 | + act(() => { |
| 173 | + mockAppStateListener?.('background'); |
| 174 | + }); |
| 175 | + act(() => { |
| 176 | + mockAppStateListener?.('active'); |
| 177 | + }); |
| 178 | + |
| 179 | + // Should not reconnect immediately — uses a timer delay |
| 180 | + expect(mockConnect).not.toHaveBeenCalled(); |
| 181 | + |
| 182 | + act(() => { |
| 183 | + jest.runAllTimers(); |
| 184 | + }); |
| 185 | + |
| 186 | + expect(mockConnect).toHaveBeenCalledTimes(1); |
| 187 | + }); |
| 188 | + |
| 189 | + it('cancels pending reconnect timer if app goes background before timer fires', () => { |
| 190 | + render( |
| 191 | + <PerpsAlwaysOnProvider> |
| 192 | + <Text>child</Text> |
| 193 | + </PerpsAlwaysOnProvider>, |
| 194 | + ); |
| 195 | + |
| 196 | + mockConnect.mockClear(); |
| 197 | + |
| 198 | + // Goes active — schedules reconnect timer |
| 199 | + act(() => { |
| 200 | + mockAppStateListener?.('active'); |
| 201 | + }); |
| 202 | + |
| 203 | + // Goes background before timer fires — cancels the pending reconnect |
| 204 | + act(() => { |
| 205 | + mockAppStateListener?.('background'); |
| 206 | + }); |
| 207 | + |
| 208 | + act(() => { |
| 209 | + jest.runAllTimers(); |
| 210 | + }); |
| 211 | + |
| 212 | + // connect should NOT have been called (timer was cancelled) |
| 213 | + expect(mockConnect).not.toHaveBeenCalled(); |
| 214 | + expect(mockDisconnect).toHaveBeenCalledTimes(1); |
| 215 | + }); |
| 216 | + |
| 217 | + it('calls disconnect and removes AppState subscription on unmount', () => { |
| 218 | + const { unmount } = render( |
| 219 | + <PerpsAlwaysOnProvider> |
| 220 | + <Text>child</Text> |
| 221 | + </PerpsAlwaysOnProvider>, |
| 222 | + ); |
| 223 | + |
| 224 | + mockDisconnect.mockClear(); |
| 225 | + |
| 226 | + act(() => { |
| 227 | + unmount(); |
| 228 | + }); |
| 229 | + |
| 230 | + expect(mockDisconnect).toHaveBeenCalledTimes(1); |
| 231 | + expect(mockSubscriptionRemove).toHaveBeenCalledTimes(1); |
| 232 | + }); |
| 233 | +}); |
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