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/*
Copyright 2012-2015, Yahoo Inc.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
'use strict';
const { ReportBase } = require('istanbul-lib-report');
class LcovOnlyReport extends ReportBase {
constructor(opts) {
super();
opts = opts || {};
this.file = opts.file || 'lcov.info';
this.projectRoot = opts.projectRoot || process.cwd();
this.contentWriter = null;
}
onStart(root, context) {
this.contentWriter = context.writer.writeFile(this.file);
}
onDetail(node) {
const fc = node.getFileCoverage();
const writer = this.contentWriter;
const functions = fc.f;
const functionMap = fc.fnMap;
const lines = fc.getLineCoverage();
const branches = fc.b;
const branchMap = fc.branchMap;
const summary = node.getCoverageSummary();
const path = require('path');
writer.println('TN:');
const fileName = path.relative(this.projectRoot, fc.path);
writer.println('SF:' + fileName);
Object.values(functionMap).forEach(meta => {
// Some versions of the instrumenter in the wild populate 'loc'
// but not 'decl':
const decl = meta.decl || meta.loc;
writer.println('FN:' + [decl.start.line, meta.name].join(','));
});
writer.println('FNF:' + summary.functions.total);
writer.println('FNH:' + summary.functions.covered);
Object.entries(functionMap).forEach(([key, meta]) => {
const stats = functions[key];
writer.println('FNDA:' + [stats, meta.name].join(','));
});
Object.entries(lines).forEach(entry => {
writer.println('DA:' + entry.join(','));
});
writer.println('LF:' + summary.lines.total);
writer.println('LH:' + summary.lines.covered);
Object.entries(branches).forEach(([key, branchArray]) => {
const meta = branchMap[key];
if (meta) {
const { line } = meta.loc.start;
branchArray.forEach((b, i) => {
writer.println('BRDA:' + [line, key, i, b].join(','));
});
} else {
console.warn('Missing coverage entries in', fileName, key);
}
});
writer.println('BRF:' + summary.branches.total);
writer.println('BRH:' + summary.branches.covered);
writer.println('end_of_record');
}
onEnd() {
this.contentWriter.close();
}
}
module.exports = LcovOnlyReport;