96 lines
3.4 KiB
TypeScript
96 lines
3.4 KiB
TypeScript
import 'mocha';
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import { expect } from 'chai';
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import { getEnumNames, getEnumValues, createEnumParser } from '@/application/Common/Enum';
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describe('Enum', () => {
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describe('createEnumParser', () => {
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enum ParsableEnum { Value1, value2 }
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describe('parses as expected', () => {
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// arrange
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const testCases = [
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{
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name: 'case insensitive',
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value: 'vALuE1',
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expected: ParsableEnum.Value1,
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},
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{
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name: 'exact match',
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value: 'value2',
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expected: ParsableEnum.value2,
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},
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];
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// act
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for (const testCase of testCases) {
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it(testCase.name, () => {
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const parser = createEnumParser(ParsableEnum);
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const actual = parser.parseEnum(testCase.value, 'non-important');
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// assert
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expect(actual).to.equal(testCase.expected);
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});
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}
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});
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describe('throws as expected', () => {
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// arrange
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const enumName = 'ParsableEnum';
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const testCases = [
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{
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name: 'undefined',
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value: undefined,
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expectedError: `undefined ${enumName}`,
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},
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{
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name: 'empty',
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value: '',
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expectedError: `undefined ${enumName}`,
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},
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{
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name: 'out of range',
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value: 'value3',
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expectedError: `unknown ${enumName}: "value3"`,
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},
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{
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name: 'out of range',
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value: 'value3',
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expectedError: `unknown ${enumName}: "value3"`,
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},
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{
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name: 'unexpected type',
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value: 55 as any,
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expectedError: `unexpected type of ${enumName}: "number"`,
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},
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];
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// act
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for (const testCase of testCases) {
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it(testCase.name, () => {
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const parser = createEnumParser(ParsableEnum);
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const act = () => parser.parseEnum(testCase.value, enumName);
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// assert
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expect(act).to.throw(testCase.expectedError);
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});
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}
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});
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});
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describe('getEnumNames', () => {
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it('parses as expected', () => {
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// arrange
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enum TestEnum { TestValue1, testValue2, testvalue3, TESTVALUE4 }
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const expected = [ 'TestValue1', 'testValue2', 'testvalue3', 'TESTVALUE4' ];
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// act
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const actual = getEnumNames(TestEnum);
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// assert
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expect(expected.sort()).to.deep.equal(actual.sort());
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});
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});
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describe('getEnumValues', () => {
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it('parses as expected', () => {
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// arrange
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enum TestEnum { Red, Green, Blue }
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const expected = [ TestEnum.Red, TestEnum.Green, TestEnum.Blue ];
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// act
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const actual = getEnumValues(TestEnum);
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// assert
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expect(expected.sort()).to.deep.equal(actual.sort());
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});
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});
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});
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