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/**
* @fileoverview TAP reporter
* @author Jonathan Kingston
*/
"use strict";
const yaml = require("js-yaml");
//------------------------------------------------------------------------------
// Helper Functions
//------------------------------------------------------------------------------
/**
* Returns a canonical error level string based upon the error message passed in.
* @param {Object} message Individual error message provided by eslint
* @returns {string} Error level string
*/
function getMessageType(message) {
if (message.fatal || message.severity === 2) {
return "error";
}
return "warning";
}
/**
* Takes in a JavaScript object and outputs a TAP diagnostics string
* @param {Object} diagnostic JavaScript object to be embedded as YAML into output.
* @returns {string} diagnostics string with YAML embedded - TAP version 13 compliant
*/
function outputDiagnostics(diagnostic) {
const prefix = " ";
let output = `${prefix}---\n`;
output += prefix + yaml.safeDump(diagnostic).split("\n").join(`\n${prefix}`);
output += "...\n";
return output;
}
//------------------------------------------------------------------------------
// Public Interface
//------------------------------------------------------------------------------
module.exports = function(results) {
let output = `TAP version 13\n1..${results.length}\n`;
results.forEach((result, id) => {
const messages = result.messages;
let testResult = "ok";
let diagnostics = {};
if (messages.length > 0) {
testResult = "not ok";
messages.forEach(message => {
const diagnostic = {
message: message.message,
severity: getMessageType(message),
data: {
line: message.line || 0,
column: message.column || 0,
ruleId: message.ruleId || ""
}
};
/*
* If we have multiple messages place them under a messages key
* The first error will be logged as message key
* This is to adhere to TAP 13 loosely defined specification of having a message key
*/
if ("message" in diagnostics) {
if (typeof diagnostics.messages === "undefined") {
diagnostics.messages = [];
}
diagnostics.messages.push(diagnostic);
} else {
diagnostics = diagnostic;
}
});
}
output += `${testResult} ${id + 1} - ${result.filePath}\n`;
// If we have an error include diagnostics
if (messages.length > 0) {
output += outputDiagnostics(diagnostics);
}
});
return output;
};
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