62 lines
1.2 KiB
TypeScript
62 lines
1.2 KiB
TypeScript
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import {lexer as createLexer, parse} from '../src';
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function getTokens(input: string, options?: any) {
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const lexer = createLexer(input, options);
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const tokens: Array<any> = [];
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while (true) {
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const token = lexer.next();
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if (token) {
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tokens.push(token);
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if (token.type === 'EOF') {
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break;
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}
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} else {
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break;
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}
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}
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return tokens.map(token => `<${token.type}> ${token.value}`);
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}
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test('lexer:simple', () => {
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expect(
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getTokens('expression result is ${a + b}', {
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evalMode: false
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})
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).toMatchSnapshot();
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});
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test('lexer:filter', () => {
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expect(
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getTokens('\\$abc is ${abc | date: YYYY-MM-DD HH\\:mm\\:ss}', {
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evalMode: false
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})
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).toMatchSnapshot();
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expect(
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getTokens('\\$abc is ${abc | isTrue : trueValue : falseValue}', {
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evalMode: false
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})
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).toMatchSnapshot();
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});
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// test('lexer:test', () => {
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// console.log(getTokens("{a: 1, 'b': 2, `c`: 3, d: {}}", {evalMode: true}));
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// });
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test('lexer:exception', () => {
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expect(() =>
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getTokens('\\aabc is ', {
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evalMode: false
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})
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).toThrow('Unexpected token a in 1:3');
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expect(() =>
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getTokens('${a | filter: \\x2}', {
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evalMode: false
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})
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).toThrow('Unexpected token x in 1:17');
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});
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