@typed/test/lib/assertions/createDiff.js

Simple test framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var typed_colors_1 = require("typed-colors");
var diff_1 = require("diff");
function createDiff(assertionError) {
    var message = assertionError.message, actual = assertionError.actual, expected = assertionError.expected;
    var str = typed_colors_1.bold("AssertionError: " + message + "\n") + ("  " + typed_colors_1.red('- expected') + " " + typed_colors_1.green('+ actual') + "\n\n");
    if (typeof actual === 'object' && typeof expected === 'object')
        str += formatDiff(diff_1.diffJson(actual, expected));
    else
        str += JSON.stringify(expected) + " !== " + JSON.stringify(actual) + "\n";
    return str;
}
exports.createDiff = createDiff;
function formatDiff(diffResults) {
    var diffString = '  ';
    for (var _i = 0, diffResults_1 = diffResults; _i < diffResults_1.length; _i++) {
        var result = diffResults_1[_i];
        if (!result.hasOwnProperty('added') && !result.hasOwnProperty('removed')) {
            diffString += "" + result.value;
        }
        else {
            var removed = result.removed, value = result.value;
            if (removed) {
                diffString += typed_colors_1.green('+') + " " + dropFirstTwoSpaces(value);
            }
            else {
                diffString += typed_colors_1.red('-') + " " + dropFirstTwoSpaces(value);
            }
        }
    }
    return padNewLine(diffString) + '\n';
}
function padNewLine(str) {
    return str.replace(/(\n)/g, "\n  ");
}
function dropFirstTwoSpaces(str) {
    return str.slice(2);
}
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