osrm-backend/features/lib/table_diff.js
2017-02-15 21:54:37 +00:00

124 lines
3.6 KiB
JavaScript

'use strict';
var util = require('util');
var path = require('path');
var fs = require('fs');
var chalk = require('chalk');
var unescapeStr = (str) => str.replace(/\\\|/g, '\|').replace(/\\\\/g, '\\');
String.prototype.padLeft = function(char, length) {
return char.repeat(Math.max(0, length - this.length)) + this;
}
String.prototype.padRight = function(char, length) {
return this + char.repeat(Math.max(0, length - this.length));
}
module.exports = function (expected, actual) {
let headers = expected.raw()[0];
let expectedRows = expected.hashes();
let tableError = false;
let statusRows = [];
let columnStatus = {}
expectedRows.forEach((expectedRow, i) => {
var rowError = false;
statusRows[i] = {};
var statusRow = statusRows[i];
for (var key in expectedRow) {
var actualRow = actual[i]
var row
if (unescapeStr(expectedRow[key]) != actualRow[key]) {
statusRow[key] = false;
tableError = true;
columnStatus[key] = false;
}
}
});
if (!tableError) return null;
// determine column widths
var widths = {};
var wantStr = '(-) ';
var gotStr = '(+) ';
var okStr = ' ';
headers.forEach( (key) => {
widths[key] = key.length;
});
expectedRows.forEach((row,i) => {
var cells = []
headers.forEach( (key) => {
var content = row[key]
var length = content.length;
if(widths[key]==null || length > widths[key])
widths[key] = length;
});
});
// format
var lines = [chalk.red('Tables were not identical:')];
var cells;
// header row
cells = []
headers.forEach( (key) => {
var content = String(key).padRight(' ', widths[key] );
if (columnStatus[key] == false )
content = okStr + content;
cells.push( chalk.white( content ) );
});
lines.push( '| ' + cells.join(' | ') + ' |');
// content rows
expectedRows.forEach((row,i) => {
var cells;
var rowError = Object.keys(statusRows[i]).length > 0;
// expected row
cells = []
headers.forEach( (key) => {
var content = String(row[key]).padRight(' ', widths[key] );
if (statusRows[i][key] == false)
cells.push( chalk.yellow( wantStr + content) );
else {
if (rowError) {
if (columnStatus[key]==false)
content = okStr + content
cells.push( chalk.yellow( content) );
}
else {
if (columnStatus[key]==false)
content = okStr + content
cells.push( chalk.green( content) );
}
}
});
lines.push('| ' + cells.join(' | ') + ' |');
// if error in row, insert extra row showing actual result
if (rowError) {
cells = []
headers.forEach( (key) => {
var content = String(actual[i][key]).padRight(' ', widths[key] );
if (statusRows[i][key] == false)
cells.push( chalk.red( gotStr + content) );
else {
if (columnStatus[key]==false)
cells.push( chalk.red( okStr + content) );
else
cells.push( chalk.red( content) );
}
});
lines.push('| ' + cells.join(' | ') + ' |');
}
});
return lines.join('\n');
};