From 2fb04c286b22a7e22dd808eba60603d7464e1059 Mon Sep 17 00:00:00 2001
From: Kyle Shockey <shockey@users.noreply.github.com>
Date: Thu, 22 Jun 2017 22:11:37 -0700
Subject: [PATCH] Add tests

---
 test/bugs/3279-empty-markdown-source.js | 37 +++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 test/bugs/3279-empty-markdown-source.js

diff --git a/test/bugs/3279-empty-markdown-source.js b/test/bugs/3279-empty-markdown-source.js
new file mode 100644
index 00000000..276c87d1
--- /dev/null
+++ b/test/bugs/3279-empty-markdown-source.js
@@ -0,0 +1,37 @@
+/* eslint-env mocha */
+import React from "react"
+import expect from "expect"
+import { render } from "enzyme"
+import Markdown from "components/providers/markdown"
+
+describe("UI-3279: Empty Markdown inputs causing bare `undefined` in output", function(){
+  it("should return no text for `null` as source input", function(){
+    let props = {
+      source: null
+    }
+
+    let el = render(<Markdown {...props}/>)
+
+    expect(el.text()).toEqual("")
+  })
+
+  it("should return no text for `undefined` as source input", function(){
+    let props = {
+      source: undefined
+    }
+
+    let el = render(<Markdown {...props}/>)
+
+    expect(el.text()).toEqual("")
+  })
+
+  it("should return no text for empty string as source input", function(){
+    let props = {
+      source: ""
+    }
+
+    let el = render(<Markdown {...props}/>)
+
+    expect(el.text()).toEqual("")
+  })
+})
-- 
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