From 06429775383001d0eee370f8eab9dc2b507cfe73 Mon Sep 17 00:00:00 2001
From: Kagami Hiiragi <kagami@genshiken.org>
Date: Sat, 21 Feb 2015 20:17:12 +0300
Subject: [PATCH] Add error.type2str

---
 lib/messages.js | 14 ++++++++++++++
 tests/unit.js   |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/lib/messages.js b/lib/messages.js
index daa9d2a..ab3b86e 100644
--- a/lib/messages.js
+++ b/lib/messages.js
@@ -452,6 +452,20 @@ var error = exports.error = {
    */
   FATAL: 2,
 
+  /**
+   * Convert error type to a human-readable string.
+   * @param {number} fatal - Type of the error
+   * @return {string}
+   */
+  type2str: function(fatal) {
+    switch (fatal) {
+      case error.WARNING: return "warning";
+      case error.ERROR: return "error";
+      case error.FATAL: return "fatal";
+      default: return "unknown";
+    }
+  },
+
   /**
    * @typedef {Object} DecodeResult
    * @property {number} fatal - Type of the error
diff --git a/tests/unit.js b/tests/unit.js
index ca921b1..1acf65e 100644
--- a/tests/unit.js
+++ b/tests/unit.js
@@ -596,6 +596,7 @@ describe("Message types", function() {
       expect(res.vector).to.not.exist;
       expect(res.errorText).to.equal("test");
       expect(res.length).to.equal(8);
+      expect(error.type2str(res.fatal)).to.equal("warning");
 
       var vector = inv_vect.encode(Buffer("test"));
       var res = error.decode(error.encode({
@@ -609,6 +610,7 @@ describe("Message types", function() {
       expect(bufferEqual(res.vector, vector)).to.be.true;
       expect(res.errorText).to.equal("fatal error");
       expect(res.length).to.equal(47);
+      expect(error.type2str(res.fatal)).to.equal("fatal");
     });
   });
 });