jest-setup.js

/* eslint-env jest */

jest.mock('@react-native-community/masked-view', () => () => null);

jest.mock('react-native-safe-area-context', () => {
  const React = require('react');

  const SafeAreaContext = React.createContext({
    top: 0,
    left: 0,
    right: 0,
    bottom: 0,
  });

  return {
    __esModule: true,

    SafeAreaContext,
    SafeAreaProvider: SafeAreaContext.Provider,
    SafeAreaConsumer: SafeAreaContext.Consumer,
  };
});

jest.mock('react-native-gesture-handler', () => ({
  PanGestureHandler: 'PanGestureHandler',
  BaseButton: 'BaseButton',
  State: {
    UNDETERMINED: 0,
    FAILED: 1,
    BEGAN: 2,
    CANCELLED: 3,
    ACTIVE: 4,
    END: 5,
  },
}));

jest.mock('react-native-reanimated', () => {
  const { View, Text, Image, ScrollView } = require('react-native');

  const NOOP = () => undefined;

  return {
    __esModule: true,

    default: {
      SpringUtils: {
        makeDefaultConfig: NOOP,
        makeConfigFromBouncinessAndSpeed: NOOP,
        makeConfigFromOrigamiTensionAndFriction: NOOP,
      },
      createAnimatedComponent: Component => Component,
      View,
      Text,
      Image,
      ScrollView,
      Code: () => null,

      Clock: NOOP,
      Node: NOOP,
      Value: NOOP,

      Extrapolate: {
        EXTEND: 'extend',
        CLAMP: 'clamp',
        IDENTITY: 'identity',
      },

      add: NOOP,
      sub: NOOP,
      multiply: NOOP,
      divide: NOOP,
      pow: NOOP,
      modulo: NOOP,
      sqrt: NOOP,
      sin: NOOP,
      cos: NOOP,
      tan: NOOP,
      acos: NOOP,
      asin: NOOP,
      atan: NOOP,
      exp: NOOP,
      round: NOOP,
      floor: NOOP,
      ceil: NOOP,
      lessThan: NOOP,
      eq: NOOP,
      greaterThan: NOOP,
      lessOrEq: NOOP,
      greaterOrEq: NOOP,
      neq: NOOP,
      and: NOOP,
      or: NOOP,
      defined: NOOP,
      not: NOOP,
      set: NOOP,
      concat: NOOP,
      cond: NOOP,
      block: NOOP,
      call: NOOP,
      debug: NOOP,
      onChange: NOOP,
      startClock: NOOP,
      stopClock: NOOP,
      clockRunning: NOOP,
      event: NOOP,
      abs: NOOP,
      acc: NOOP,
      color: NOOP,
      diff: NOOP,
      diffClamp: NOOP,
      interpolate: NOOP,
      max: NOOP,
      min: NOOP,

      decay: NOOP,
      timing: NOOP,
      spring: NOOP,

      proc: a => a,

      useCode: NOOP,
    },

    Easing: {
      linear: NOOP,
      ease: NOOP,
      quad: NOOP,
      cubic: NOOP,
      poly: () => NOOP,
      sin: NOOP,
      circle: NOOP,
      exp: NOOP,
      elastic: () => NOOP,
      back: () => NOOP,
      bounce: () => NOOP,
      bezier: () => NOOP,
      in: () => NOOP,
      out: () => NOOP,
      inOut: () => NOOP,
    },
  };
});