fef9f61c65
* Expose ApiPromise, cleanup API props * WIP * First component via ApiPromise * More items via ApiPromise * More robust availability handling * Disable routes based on API endpoint checks * Handle promises * Low-hanging fruit for call conversion * Remove extra params * Adjust rx components with children props * Start pulling in derived values * Additional derived * Bump * More derived values * Add derive.balances.fees * Additional account lookups * derive lookup for Id -> Index mappings * Cleanups, accountIdToIndex * Rework for new API * Update deps, all-ok after API bumps * Add voting and validating balances * Cleanup callback * Democracy wrap-up * 2019 * withApiPromise -> withApiCall * Calculate referendum number * Fix balances, withObservableBase -> withObservable * Cleanup with actual interfaces * withApiCall -> withCall * Bumps * api-observable types replaced * Half-effort to adjust extrinsic creation * No api-observable refs anymore * Cleanup storage query app * Cleanup call * Voting works... * Add Vote component * Update API
81 lines
2.9 KiB
JavaScript
81 lines
2.9 KiB
JavaScript
// Copyright 2017-2019 @polkadot/ui-app authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import BN from 'bn.js';
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import React from 'react';
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import { mount } from '../../../test/enzyme';
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import { BitLengthOption } from './constants';
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import Input from './Input';
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import { InputNumber, maxConservativeLength } from './InputNumber';
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const mockT = (key, options) => (key);
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describe('InputNumber', () => {
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const DEFAULT_BITLENGTH = BitLengthOption.CHAIN_SPEC;
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const max128BN = new BN(2).pow(new BN(128)).subn(1);
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const aboveMax128BN = max128BN.addn(1);
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const belowMax128BN = max128BN.subn(1);
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let wrapper, divInputNumber, defaultValue;
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beforeEach(() => {
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defaultValue = { value: '0' };
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wrapper = mount(
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<InputNumber
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defaultValue={defaultValue}
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t={mockT}
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/>, {}
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);
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divInputNumber = wrapper.find('.ui--InputNumber');
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});
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it('creates the element', () => {
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expect(wrapper).toHaveLength(1);
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});
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it('should display InputNumber wrapper and Input component', () => {
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expect(divInputNumber).toHaveLength(1);
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expect(wrapper.find(Input)).toHaveLength(1);
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});
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describe('maxLength', () => {
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it('returns max length for use on number input fields that is the length of the max BN value minus a conservativeness factor for 128 bit', () => {
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const maxValueLength = wrapper.instance().maxValue(DEFAULT_BITLENGTH).toString().length;
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expect(maxConservativeLength(maxValueLength)).toBe(38);
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});
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});
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describe('maxValue', () => {
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it('returns max BN value for given bitlength or uses 128 bit bitlength fallback', () => {
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expect(wrapper.instance().maxValue(128)).toEqual(max128BN);
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});
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});
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describe('isValidBitLength', () => {
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it('returns whether value in BN is valid for given bitlength or uses 128 bit bitlength fallback', () => {
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expect(wrapper.instance().isValidBitLength(aboveMax128BN, DEFAULT_BITLENGTH)).toBe(false);
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expect(wrapper.instance().isValidBitLength(max128BN, DEFAULT_BITLENGTH)).toBe(true);
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});
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});
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describe('isValidNumber', () => {
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describe('checks extrinsic balance', () => {
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it('throws an error if input value for comparison is not a string', () => {
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const invalidInputValueType = 340282366920938463463374607431768211456;
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expect(() => { wrapper.instance().isValidNumber(new BN(invalidInputValueType), DEFAULT_BITLENGTH); }).toThrow();
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});
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});
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it('should not be valid when user enters positive value greater than or equal to the 128 bit max for latest chain', () => {
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expect(wrapper.instance().isValidNumber(max128BN, DEFAULT_BITLENGTH)).toBe(false);
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});
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it('should be valid when user enters positive value less than the 128 bit max for latest chain', () => {
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expect(wrapper.instance().isValidNumber(belowMax128BN, DEFAULT_BITLENGTH)).toBe(true);
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});
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});
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});
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