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index.js
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Fri, Dec 13, 14:10

index.js
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'use strict';
/*
Copyright 2012-2015, Yahoo Inc.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
const path = require('path');
const { escape } = require('html-escaper');
const { ReportBase } = require('istanbul-lib-report');
class CoberturaReport extends ReportBase {
constructor(opts) {
super();
opts = opts || {};
this.cw = null;
this.xml = null;
this.timestamp = opts.timestamp || Date.now().toString();
this.projectRoot = opts.projectRoot || process.cwd();
this.file = opts.file || 'cobertura-coverage.xml';
}
onStart(root, context) {
this.cw = context.writer.writeFile(this.file);
this.xml = context.getXMLWriter(this.cw);
this.writeRootStats(root);
}
onEnd() {
this.xml.closeAll();
this.cw.close();
}
writeRootStats(node) {
const metrics = node.getCoverageSummary();
this.cw.println('<?xml version="1.0" ?>');
this.cw.println(
'<!DOCTYPE coverage SYSTEM "http://cobertura.sourceforge.net/xml/coverage-04.dtd">'
);
this.xml.openTag('coverage', {
'lines-valid': metrics.lines.total,
'lines-covered': metrics.lines.covered,
'line-rate': metrics.lines.pct / 100.0,
'branches-valid': metrics.branches.total,
'branches-covered': metrics.branches.covered,
'branch-rate': metrics.branches.pct / 100.0,
timestamp: this.timestamp,
complexity: '0',
version: '0.1'
});
this.xml.openTag('sources');
this.xml.inlineTag('source', null, this.projectRoot);
this.xml.closeTag('sources');
this.xml.openTag('packages');
}
onSummary(node) {
const metrics = node.getCoverageSummary(true);
if (!metrics) {
return;
}
this.xml.openTag('package', {
name: node.isRoot() ? 'main' : escape(asJavaPackage(node)),
'line-rate': metrics.lines.pct / 100.0,
'branch-rate': metrics.branches.pct / 100.0
});
this.xml.openTag('classes');
}
onSummaryEnd(node) {
const metrics = node.getCoverageSummary(true);
if (!metrics) {
return;
}
this.xml.closeTag('classes');
this.xml.closeTag('package');
}
onDetail(node) {
const fileCoverage = node.getFileCoverage();
const metrics = node.getCoverageSummary();
const branchByLine = fileCoverage.getBranchCoverageByLine();
this.xml.openTag('class', {
name: escape(asClassName(node)),
filename: path.relative(this.projectRoot, fileCoverage.path),
'line-rate': metrics.lines.pct / 100.0,
'branch-rate': metrics.branches.pct / 100.0
});
this.xml.openTag('methods');
const fnMap = fileCoverage.fnMap;
Object.entries(fnMap).forEach(([k, { name, decl }]) => {
const hits = fileCoverage.f[k];
this.xml.openTag('method', {
name: escape(name),
hits,
signature: '()V' //fake out a no-args void return
});
this.xml.openTag('lines');
//Add the function definition line and hits so that jenkins cobertura plugin records method hits
this.xml.inlineTag('line', {
number: decl.start.line,
hits
});
this.xml.closeTag('lines');
this.xml.closeTag('method');
});
this.xml.closeTag('methods');
this.xml.openTag('lines');
const lines = fileCoverage.getLineCoverage();
Object.entries(lines).forEach(([k, hits]) => {
const attrs = {
number: k,
hits,
branch: 'false'
};
const branchDetail = branchByLine[k];
if (branchDetail) {
attrs.branch = true;
attrs['condition-coverage'] =
branchDetail.coverage +
'% (' +
branchDetail.covered +
'/' +
branchDetail.total +
')';
}
this.xml.inlineTag('line', attrs);
});
this.xml.closeTag('lines');
this.xml.closeTag('class');
}
}
function asJavaPackage(node) {
return node
.getRelativeName()
.replace(/\//g, '.')
.replace(/\\/g, '.')
.replace(/\.$/, '');
}
function asClassName(node) {
return node.getRelativeName().replace(/.*[\\/]/, '');
}
module.exports = CoberturaReport;

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