45 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
'use strict';
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// Imports
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const fs = require('fs');
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// Get branch and project name from command line arguments.
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const [, , limitFile, project, branch, commit] = process.argv;
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// Load sizes.
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const currentSizes = JSON.parse(fs.readFileSync('/tmp/current.log', 'utf8'));
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const allLimitSizes = JSON.parse(fs.readFileSync(limitFile, 'utf8'));
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const limitSizes = allLimitSizes[project][branch] || allLimitSizes[project]['master'];
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// Check current sizes against limits.
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let failed = false;
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for (const compressionType in limitSizes) {
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  if (typeof limitSizes[compressionType] === 'object') {
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    const limitPerFile = limitSizes[compressionType];
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    for (const filename in limitPerFile) {
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      const expectedSize = limitPerFile[filename];
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      const actualSize = currentSizes[`${compressionType}/${filename}`];
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      if (Math.abs(actualSize - expectedSize) > expectedSize / 100) {
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        failed = true;
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        // We must also catch when the size is significantly lower than the payload limit, so
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        // we are forced to update the expected payload number when the payload size reduces.
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        // Otherwise, we won't be able to catch future regressions that happen to be below
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        // the artificially inflated limit.
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        const operator = actualSize > expectedSize ? 'exceeded' : 'fell below';
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        console.log(
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            `Commit ${commit} ${compressionType} ${filename} ${operator} expected size by >1% ` +
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            `(expected: ${expectedSize}, actual: ${actualSize}).`);
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      }
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    }
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  }
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}
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if (failed) {
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  console.log(`If this is a desired change, please update the size limits in file '${limitFile}'.`);
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  process.exit(1);
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} else {
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  console.log('Payload size <1% change check passed.');
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}
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