113 lines
2.8 KiB
JavaScript
113 lines
2.8 KiB
JavaScript
/*
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Copyright 2015, Yahoo Inc.
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Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
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*/
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'use strict';
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const { FileCoverage } = require('istanbul-lib-coverage').classes;
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function locString(loc) {
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return [
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loc.start.line,
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loc.start.column,
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loc.end.line,
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loc.end.column
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].join(':');
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}
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class MappedCoverage extends FileCoverage {
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constructor(pathOrObj) {
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super(pathOrObj);
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this.meta = {
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last: {
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s: 0,
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f: 0,
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b: 0
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},
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seen: {}
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};
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}
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addStatement(loc, hits) {
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const key = 's:' + locString(loc);
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const { meta } = this;
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let index = meta.seen[key];
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if (index === undefined) {
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index = meta.last.s;
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meta.last.s += 1;
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meta.seen[key] = index;
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this.statementMap[index] = this.cloneLocation(loc);
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}
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this.s[index] = this.s[index] || 0;
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this.s[index] += hits;
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return index;
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}
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addFunction(name, decl, loc, hits) {
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const key = 'f:' + locString(decl);
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const { meta } = this;
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let index = meta.seen[key];
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if (index === undefined) {
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index = meta.last.f;
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meta.last.f += 1;
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meta.seen[key] = index;
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name = name || `(unknown_${index})`;
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this.fnMap[index] = {
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name,
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decl: this.cloneLocation(decl),
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loc: this.cloneLocation(loc)
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};
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}
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this.f[index] = this.f[index] || 0;
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this.f[index] += hits;
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return index;
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}
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addBranch(type, loc, branchLocations, hits) {
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const key = ['b', ...branchLocations.map(l => locString(l))].join(':');
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const { meta } = this;
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let index = meta.seen[key];
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if (index === undefined) {
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index = meta.last.b;
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meta.last.b += 1;
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meta.seen[key] = index;
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this.branchMap[index] = {
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loc,
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type,
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locations: branchLocations.map(l => this.cloneLocation(l))
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};
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}
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if (!this.b[index]) {
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this.b[index] = branchLocations.map(() => 0);
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}
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hits.forEach((hit, i) => {
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this.b[index][i] += hit;
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});
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return index;
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}
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/* Returns a clone of the location object with only the attributes of interest */
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cloneLocation(loc) {
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return {
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start: {
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line: loc.start.line,
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column: loc.start.column
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},
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end: {
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line: loc.end.line,
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column: loc.end.column
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}
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};
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}
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}
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module.exports = {
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MappedCoverage
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};
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