Chefstyle fixes

Signed-off-by: Tim Smith <tsmith@chef.io>

3 files changed, 4 insertions, 6 deletions

diff --git a/lib/mixlib/authentication/digester.rb b/lib/mixlib/authentication/digester.rb
index 8628d53..f826b4c 100644
--- a/lib/mixlib/authentication/digester.rb
+++ b/lib/mixlib/authentication/digester.rb
@@ -27,9 +27,7 @@ module Mixlib
         def hash_file(f, digest = OpenSSL::Digest::SHA1)
           digester = digest.new
           buf = ""
-          while f.read(16384, buf)
-            digester.update buf
-          end
+          digester.update buf while f.read(16384, buf)
           ::Base64.encode64(digester.digest).chomp
         end
 
diff --git a/lib/mixlib/authentication/signedheaderauth.rb b/lib/mixlib/authentication/signedheaderauth.rb
index ab8d989..855fd80 100644
--- a/lib/mixlib/authentication/signedheaderauth.rb
+++ b/lib/mixlib/authentication/signedheaderauth.rb
@@ -274,7 +274,7 @@ module Mixlib
 
       def server_api_version
         key = (self[:headers] || {}).keys.select do |k|
-          k.downcase == "x-ops-server-api-version"
+          k.casecmp("x-ops-server-api-version").zero?
         end.first
         if key
           self[:headers][key]
diff --git a/spec/mixlib/authentication/digester_spec.rb b/spec/mixlib/authentication/digester_spec.rb
index fd3eb41..4688d5c 100644
--- a/spec/mixlib/authentication/digester_spec.rb
+++ b/spec/mixlib/authentication/digester_spec.rb
@@ -7,14 +7,14 @@ describe Mixlib::Authentication::Digester do
     let(:test_string) { "hello" }
     let(:test_string_checksum) { "qvTGHdzF6KLavt4PO0gs2a6pQ00=" }
 
-    describe '#hash_file' do
+    describe "#hash_file" do
       it "should default to use SHA1" do
         expect(described_class.hash_file(StringIO.new(test_string))).to(
           eq(test_string_checksum))
       end
     end
 
-    describe '#hash_string' do
+    describe "#hash_string" do
       it "should default to use SHA1" do
         expect(described_class.hash_string(test_string)).to(
           eq(test_string_checksum))