diff options
Diffstat (limited to 'node_modules/istanbul-reports/lib/text')
-rw-r--r-- | node_modules/istanbul-reports/lib/text/index.js | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/node_modules/istanbul-reports/lib/text/index.js b/node_modules/istanbul-reports/lib/text/index.js new file mode 100644 index 0000000..c28cedb --- /dev/null +++ b/node_modules/istanbul-reports/lib/text/index.js @@ -0,0 +1,298 @@ +/* + 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'); + +const NAME_COL = 4; +const PCT_COLS = 7; +const MISSING_COL = 17; +const TAB_SIZE = 1; +const DELIM = ' | '; + +function padding(num, ch) { + let str = ''; + let i; + ch = ch || ' '; + for (i = 0; i < num; i += 1) { + str += ch; + } + return str; +} + +function fill(str, width, right, tabs) { + tabs = tabs || 0; + str = String(str); + + const leadingSpaces = tabs * TAB_SIZE; + const remaining = width - leadingSpaces; + const leader = padding(leadingSpaces); + let fmtStr = ''; + + if (remaining > 0) { + const strlen = str.length; + let fillStr; + + if (remaining >= strlen) { + fillStr = padding(remaining - strlen); + } else { + fillStr = '...'; + const length = remaining - fillStr.length; + + str = str.substring(strlen - length); + right = true; + } + fmtStr = right ? fillStr + str : str + fillStr; + } + + return leader + fmtStr; +} + +function formatName(name, maxCols, level) { + return fill(name, maxCols, false, level); +} + +function formatPct(pct, width) { + return fill(pct, width || PCT_COLS, true, 0); +} + +function nodeMissing(node) { + if (node.isSummary()) { + return ''; + } + + const metrics = node.getCoverageSummary(); + const isEmpty = metrics.isEmpty(); + const lines = isEmpty ? 0 : metrics.lines.pct; + + let coveredLines; + + const fileCoverage = node.getFileCoverage(); + if (lines === 100) { + const branches = fileCoverage.getBranchCoverageByLine(); + coveredLines = Object.entries(branches).map(([key, { coverage }]) => [ + key, + coverage === 100 + ]); + } else { + coveredLines = Object.entries(fileCoverage.getLineCoverage()); + } + + let newRange = true; + const ranges = coveredLines + .reduce((acum, [line, hit]) => { + if (hit) newRange = true; + else { + line = parseInt(line); + if (newRange) { + acum.push([line]); + newRange = false; + } else acum[acum.length - 1][1] = line; + } + + return acum; + }, []) + .map(range => { + const { length } = range; + + if (length === 1) return range[0]; + + return `${range[0]}-${range[1]}`; + }); + + return [].concat(...ranges).join(','); +} + +function nodeName(node) { + return node.getRelativeName() || 'All files'; +} + +function depthFor(node) { + let ret = 0; + node = node.getParent(); + while (node) { + ret += 1; + node = node.getParent(); + } + return ret; +} + +function nullDepthFor() { + return 0; +} + +function findWidth(node, context, nodeExtractor, depthFor = nullDepthFor) { + let last = 0; + function compareWidth(node) { + last = Math.max( + last, + TAB_SIZE * depthFor(node) + nodeExtractor(node).length + ); + } + const visitor = { + onSummary: compareWidth, + onDetail: compareWidth + }; + node.visit(context.getVisitor(visitor)); + return last; +} + +function makeLine(nameWidth, missingWidth) { + const name = padding(nameWidth, '-'); + const pct = padding(PCT_COLS, '-'); + const elements = []; + + elements.push(name); + elements.push(pct); + elements.push(padding(PCT_COLS + 1, '-')); + elements.push(pct); + elements.push(pct); + elements.push(padding(missingWidth, '-')); + return elements.join(DELIM.replace(/ /g, '-')) + '-'; +} + +function tableHeader(maxNameCols, missingWidth) { + const elements = []; + elements.push(formatName('File', maxNameCols, 0)); + elements.push(formatPct('% Stmts')); + elements.push(formatPct('% Branch', PCT_COLS + 1)); + elements.push(formatPct('% Funcs')); + elements.push(formatPct('% Lines')); + elements.push(formatName('Uncovered Line #s', missingWidth)); + return elements.join(DELIM) + ' '; +} + +function isFull(metrics) { + return ( + metrics.statements.pct === 100 && + metrics.branches.pct === 100 && + metrics.functions.pct === 100 && + metrics.lines.pct === 100 + ); +} + +function tableRow( + node, + context, + colorizer, + maxNameCols, + level, + skipEmpty, + skipFull, + missingWidth +) { + const name = nodeName(node); + const metrics = node.getCoverageSummary(); + const isEmpty = metrics.isEmpty(); + if (skipEmpty && isEmpty) { + return ''; + } + if (skipFull && isFull(metrics)) { + return ''; + } + + const mm = { + statements: isEmpty ? 0 : metrics.statements.pct, + branches: isEmpty ? 0 : metrics.branches.pct, + functions: isEmpty ? 0 : metrics.functions.pct, + lines: isEmpty ? 0 : metrics.lines.pct + }; + const colorize = isEmpty + ? function(str) { + return str; + } + : function(str, key) { + return colorizer(str, context.classForPercent(key, mm[key])); + }; + const elements = []; + + elements.push(colorize(formatName(name, maxNameCols, level), 'statements')); + elements.push(colorize(formatPct(mm.statements), 'statements')); + elements.push(colorize(formatPct(mm.branches, PCT_COLS + 1), 'branches')); + elements.push(colorize(formatPct(mm.functions), 'functions')); + elements.push(colorize(formatPct(mm.lines), 'lines')); + elements.push( + colorizer( + formatName(nodeMissing(node), missingWidth), + mm.lines === 100 ? 'medium' : 'low' + ) + ); + + return elements.join(DELIM) + ' '; +} + +class TextReport extends ReportBase { + constructor(opts) { + super(opts); + + opts = opts || {}; + const { maxCols } = opts; + + this.file = opts.file || null; + this.maxCols = maxCols != null ? maxCols : process.stdout.columns || 80; + this.cw = null; + this.skipEmpty = opts.skipEmpty; + this.skipFull = opts.skipFull; + } + + onStart(root, context) { + this.cw = context.writer.writeFile(this.file); + this.nameWidth = Math.max( + NAME_COL, + findWidth(root, context, nodeName, depthFor) + ); + this.missingWidth = Math.max( + MISSING_COL, + findWidth(root, context, nodeMissing) + ); + + if (this.maxCols > 0) { + const pct_cols = DELIM.length + 4 * (PCT_COLS + DELIM.length) + 2; + + const maxRemaining = this.maxCols - (pct_cols + MISSING_COL); + if (this.nameWidth > maxRemaining) { + this.nameWidth = maxRemaining; + this.missingWidth = MISSING_COL; + } else if (this.nameWidth < maxRemaining) { + const maxRemaining = this.maxCols - (this.nameWidth + pct_cols); + if (this.missingWidth > maxRemaining) { + this.missingWidth = maxRemaining; + } + } + } + const line = makeLine(this.nameWidth, this.missingWidth); + this.cw.println(line); + this.cw.println(tableHeader(this.nameWidth, this.missingWidth)); + this.cw.println(line); + } + + onSummary(node, context) { + const nodeDepth = depthFor(node); + const row = tableRow( + node, + context, + this.cw.colorize.bind(this.cw), + this.nameWidth, + nodeDepth, + this.skipEmpty, + this.skipFull, + this.missingWidth + ); + if (row) { + this.cw.println(row); + } + } + + onDetail(node, context) { + return this.onSummary(node, context); + } + + onEnd() { + this.cw.println(makeLine(this.nameWidth, this.missingWidth)); + this.cw.close(); + } +} + +module.exports = TextReport; |