| /** | |
|  * @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 = `${prefix}---\n`; | |
| 
 | |
|     output += prefix + yaml.dump(diagnostic).split("\n").join(`\n${prefix}`); | |
|     output += "...\n"; | |
|     return output; | |
| } | |
| 
 | |
| //------------------------------------------------------------------------------ | |
| // Public Interface | |
| //------------------------------------------------------------------------------ | |
|  | |
| module.exports = function(results) { | |
|     let output = `TAP version 13\n1..${results.length}\n`; | |
| 
 | |
|     results.forEach((result, id) => { | |
|         const messages = result.messages; | |
|         let testResult = "ok"; | |
|         let diagnostics = {}; | |
| 
 | |
|         if (messages.length > 0) { | |
|             messages.forEach(message => { | |
|                 const severity = getMessageType(message); | |
|                 const diagnostic = { | |
|                     message: message.message, | |
|                     severity, | |
|                     data: { | |
|                         line: message.line || 0, | |
|                         column: message.column || 0, | |
|                         ruleId: message.ruleId || "" | |
|                     } | |
|                 }; | |
| 
 | |
|                 // This ensures a warning message is not flagged as error | |
|                 if (severity === "error") { | |
|                     testResult = "not ok"; | |
|                 } | |
| 
 | |
|                 /* | |
|                  * If we have multiple messages place them under a messages key | |
|                  * The first error will be logged as message key | |
|                  * This is to adhere to TAP 13 loosely defined specification of having a message key | |
|                  */ | |
|                 if ("message" in diagnostics) { | |
|                     if (typeof diagnostics.messages === "undefined") { | |
|                         diagnostics.messages = []; | |
|                     } | |
|                     diagnostics.messages.push(diagnostic); | |
|                 } else { | |
|                     diagnostics = diagnostic; | |
|                 } | |
|             }); | |
|         } | |
| 
 | |
|         output += `${testResult} ${id + 1} - ${result.filePath}\n`; | |
| 
 | |
|         // If we have an error include diagnostics | |
|         if (messages.length > 0) { | |
|             output += outputDiagnostics(diagnostics); | |
|         } | |
| 
 | |
|     }); | |
| 
 | |
|     return output; | |
| };
 |