38 lines
1.1 KiB
TypeScript
38 lines
1.1 KiB
TypeScript
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// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { assert } from 'chai';
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import { makeEnumParser } from '../../util/enum';
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describe('enum utils', () => {
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describe('makeEnumParser', () => {
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enum Color {
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Red = 'red',
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Green = 'green',
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Blue = 'blue',
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}
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const parse = makeEnumParser(Color, Color.Blue);
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it('returns a parser that returns the default value if passed a non-string', () => {
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[undefined, null, 0, 1, 123].forEach(serializedValue => {
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const result: Color = parse(serializedValue);
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assert.strictEqual(result, Color.Blue);
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});
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});
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it('returns a parser that returns the default value if passed a string not in the enum', () => {
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['', 'garbage', 'RED'].forEach(serializedValue => {
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const result: Color = parse(serializedValue);
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assert.strictEqual(result, Color.Blue);
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});
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});
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it('returns a parser that parses enum values', () => {
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const result: Color = parse('green');
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assert.strictEqual(result, Color.Green);
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});
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});
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});
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