From ce2cbdcba9bb6f40a4b29e4ff1d00d656731b4b6 Mon Sep 17 00:00:00 2001
From: Levi Thomason <me@levithomason.com>
Date: Tue, 16 Aug 2016 11:18:18 -0700
Subject: [PATCH] test(cli): test --format-error

---
 test/unit/cli.spec.js                       | 12 ++++++++++++
 test/unit/fixtures/format-error-property.js |  4 ++++
 test/unit/fixtures/format-error-root.js     |  4 ++++
 3 files changed, 20 insertions(+)
 create mode 100644 test/unit/fixtures/format-error-property.js
 create mode 100644 test/unit/fixtures/format-error-root.js

diff --git a/test/unit/cli.spec.js b/test/unit/cli.spec.js
index a4af1c659..76c387389 100644
--- a/test/unit/cli.spec.js
+++ b/test/unit/cli.spec.js
@@ -133,6 +133,18 @@ describe('cli', () => {
       expect(mockery.process.exit).to.have.been.calledWith(1)
     })
 
+    it('should parse format-error into a function', () => {
+      // root export
+      var options = processArgs(['--format-error', '../../test/unit/fixtures/format-error-root'])
+      var formatErrorRoot = require('../../test/unit/fixtures/format-error-root')
+      expect(options.formatError).to.equal(formatErrorRoot)
+
+      // property export
+      options = processArgs(['--format-error', '../../test/unit/fixtures/format-error-property'])
+      var formatErrorProperty = require('../../test/unit/fixtures/format-error-property')
+      expect(options.formatError).to.equal(formatErrorProperty)
+    })
+
     it('should parse browsers into an array', () => {
       var options = processArgs(['--browsers', 'Chrome,ChromeCanary,Firefox'])
       expect(options.browsers).to.deep.equal(['Chrome', 'ChromeCanary', 'Firefox'])
diff --git a/test/unit/fixtures/format-error-property.js b/test/unit/fixtures/format-error-property.js
new file mode 100644
index 000000000..b3c9e91e0
--- /dev/null
+++ b/test/unit/fixtures/format-error-property.js
@@ -0,0 +1,4 @@
+module.exports = function formatErrorProperty (msg) {
+  return msg
+}
+
diff --git a/test/unit/fixtures/format-error-root.js b/test/unit/fixtures/format-error-root.js
new file mode 100644
index 000000000..a17fb97e9
--- /dev/null
+++ b/test/unit/fixtures/format-error-root.js
@@ -0,0 +1,4 @@
+// a valid --format-error file
+module.exports = function formatErrorRoot (msg) {
+  return msg
+}