55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import * as fs from 'fs';
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import * as path from 'path';
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import {SymbolExtractor} from './symbol_extractor';
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// These keys are arbitrary and local to this test.
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const update_var = 'UPDATE_GOLDEN';
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const update_val = 1;
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if (require.main === module) {
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const doUpdate = process.env[update_var] == update_val;
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const args = process.argv.slice(2) as[string, string];
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process.exitCode = main(args, doUpdate) ? 0 : 1;
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}
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/**
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* CLI main method.
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*
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* ```
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* cli javascriptFilePath.js goldenFilePath.json
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* ```
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*/
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function main(argv: [string, string], doUpdate: boolean): boolean {
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const javascriptFilePath = require.resolve(argv[0]);
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const goldenFilePath = require.resolve(argv[1]);
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const javascriptContent = fs.readFileSync(javascriptFilePath).toString();
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const goldenContent = fs.readFileSync(goldenFilePath).toString();
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const symbolExtractor = new SymbolExtractor(javascriptFilePath, javascriptContent);
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let passed: boolean = false;
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if (doUpdate) {
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fs.writeFileSync(goldenFilePath, JSON.stringify(symbolExtractor.actual, undefined, 2));
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console.error('Updated gold file:', goldenFilePath);
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passed = true;
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} else {
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passed = symbolExtractor.compareAndPrintError(goldenFilePath, goldenContent);
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if (!passed) {
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console.error(`TEST FAILED!`);
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console.error(` To update the golden file run: `);
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console.error(
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` bazel run --define ${update_var}=${update_val} ${process.env['BAZEL_TARGET']}`);
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}
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}
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return passed;
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}
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