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0ded511d0b
This patch re-implements matching and reporting for test runner. Among other improvements: - test failures now show a short snippet from test - test failures now explicitly say what received and what was expected - `expect.toBe()` now does text diff when gets strings as input - `expect.toEqual` now does object diff
33 lines
1.0 KiB
JavaScript
33 lines
1.0 KiB
JavaScript
const path = require('path');
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module.exports = {
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getCallerLocation: function(filename) {
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const error = new Error();
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const stackFrames = error.stack.split('\n').slice(1);
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// Find first stackframe that doesn't point to this file.
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for (let frame of stackFrames) {
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frame = frame.trim();
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if (!frame.startsWith('at '))
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return null;
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if (frame.endsWith(')')) {
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const from = frame.indexOf('(');
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frame = frame.substring(from + 1, frame.length - 1);
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} else {
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frame = frame.substring('at '.length);
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}
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const match = frame.match(/^(.*):(\d+):(\d+)$/);
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if (!match)
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return null;
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const filePath = match[1];
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const lineNumber = parseInt(match[2], 10);
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const columnNumber = parseInt(match[3], 10);
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if (filePath === __filename || filePath === filename)
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continue;
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const fileName = filePath.split(path.sep).pop();
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return { fileName, filePath, lineNumber, columnNumber };
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}
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return null;
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},
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};
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