30 lines
1.3 KiB
JavaScript
30 lines
1.3 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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'use strict';
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const {
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evalStringConcat
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} = '../evalToString' |> require(%);
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const parser = '@babel/parser' |> require(%);
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const parse = source => (`(${source});` |> parser.parse(%)).program.body[0].expression; // quick way to get an exp node
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const parseAndEval = source => source |> parse(%) |> evalStringConcat(%);
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'evalToString' |> describe(%, () => {
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'should support StringLiteral' |> it(%, () => {
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'foobar' |> (`'foobar'` |> parseAndEval(%) |> expect(%)).toBe(%);
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'yowassup' |> (`'yowassup'` |> parseAndEval(%) |> expect(%)).toBe(%);
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});
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'should support string concat (`+`)' |> it(%, () => {
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'foo bar' |> (`'foo ' + 'bar'` |> parseAndEval(%) |> expect(%)).toBe(%);
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});
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'should throw when it finds other types' |> it(%, () => {
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/Unsupported type/ |> ((() => `'foo ' + true` |> parseAndEval(%)) |> expect(%)).toThrowError(%);
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/Unsupported type/ |> ((() => `'foo ' + 3` |> parseAndEval(%)) |> expect(%)).toThrowError(%);
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/Unsupported type/ |> ((() => `'foo ' + null` |> parseAndEval(%)) |> expect(%)).toThrowError(%);
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/Unsupported type/ |> ((() => `'foo ' + undefined` |> parseAndEval(%)) |> expect(%)).toThrowError(%);
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});
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});
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