1 | 'use strict';
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2 |
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3 | const snapshotProcessor = require('../snapshot-processor');
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4 |
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5 | describe('snapshot-processor', () => {
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6 | it('exports an object with preprocess and postprocess functions', () => {
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7 | expect(snapshotProcessor).toMatchObject({
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8 | preprocess: expect.any(Function),
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9 | postprocess: expect.any(Function),
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10 | });
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11 | });
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12 |
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13 | describe('preprocess function', () => {
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14 | it('should pass on untouched source code to source array', () => {
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15 | const { preprocess } = snapshotProcessor;
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16 | const sourceCode = "const name = 'johnny bravo';";
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17 | const result = preprocess(sourceCode);
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18 |
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19 | expect(result).toEqual([sourceCode]);
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20 | });
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21 | });
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22 |
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23 | describe('postprocess function', () => {
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24 | it('should only return messages about snapshot specific rules', () => {
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25 | const { postprocess } = snapshotProcessor;
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26 | const result = postprocess([
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27 | [
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28 | { ruleId: 'no-console' },
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29 | { ruleId: 'global-require' },
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30 | { ruleId: 'jest/no-large-snapshots' },
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31 | ],
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32 | ]);
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33 |
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34 | expect(result).toEqual([{ ruleId: 'jest/no-large-snapshots' }]);
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35 | });
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36 | });
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37 | });
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