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https://github.com/flutter/flutter
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60 lines
1.9 KiB
Dart
60 lines
1.9 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// @dart = 2.9
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import 'dart:io';
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/// Produces a per-library coverage summary when fed an lcov file, sorted by
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/// increasing code coverage percentage.
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///
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/// Usage: `dart tool/unit_coverage lcov.info`
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void main(List<String> args) {
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if (args.isEmpty || args.length > 1) {
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print('Usage: dart tool/unit_coverage lcov.info');
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return;
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}
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final List<String> lines = File(args.single).readAsLinesSync();
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final List<Coverage> coverages = <Coverage>[];
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Coverage currentCoverage;
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for (final String line in lines) {
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if (line.startsWith('SF:')) {
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final String library = line.split('SF:')[1];
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currentCoverage = Coverage()..library = library;
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coverages.add(currentCoverage);
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}
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if (line.startsWith('DA')) {
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currentCoverage.totalLines += 1;
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if (!line.endsWith(',0')) {
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currentCoverage.testedLines += 1;
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}
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}
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if (line == 'end_of_record') {
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currentCoverage = null;
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}
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}
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coverages.sort((Coverage left, Coverage right) {
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final double leftPercent = left.testedLines / left.totalLines;
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final double rightPercent = right.testedLines / right.totalLines;
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return leftPercent.compareTo(rightPercent);
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});
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double overallNumerator = 0;
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double overallDenominator = 0;
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print('% | tested | total');
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for (final Coverage coverage in coverages) {
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overallNumerator += coverage.testedLines;
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overallDenominator += coverage.totalLines;
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final String coveragePercent = (coverage.testedLines / coverage.totalLines * 100).toStringAsFixed(2);
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print('${coverage.library}: $coveragePercent% | ${coverage.testedLines} | ${coverage.totalLines}');
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}
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print('OVERALL: ${overallNumerator/overallDenominator}');
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}
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class Coverage {
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String library;
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int totalLines = 0;
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int testedLines = 0;
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}
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