Merge pull request #37 from codeclimate/fix_ca_file_path

Fix ca file absolute path.

Author: noahd1

lib/cc/service/http.rb

@@ -65,7 +65,7 @@ def http(options = {})
   #
   # Returns a String path.
   def ca_file
-    @ca_file ||= File.expand_path('../../../config/cacert.pem', __FILE__)
+    @ca_file ||= ENV.fetch("CODECLIMATE_CA_FILE", File.expand_path('../../../../config/cacert.pem', __FILE__))
   end
 
 end

test/invocation_test.rb

@@ -118,6 +118,9 @@ def initialize
     def increment(key)
       @incremented_keys << key
     end
+
+    def timing(key, value)
+    end
   end
 
   class FakeLogger

test/service_test.rb

@@ -6,4 +6,18 @@ def test_validates_events
       CC::Service.new(:foo, {}, {})
     end
   end
+
+  def test_default_path_to_ca_file
+    s = CC::Service.new({}, {name: "test"})
+    assert_equal(File.expand_path("../../config/cacert.pem", __FILE__), s.ca_file)
+    assert File.exist?(s.ca_file)
+  end
+
+  def test_custom_path_to_ca_file
+    ENV["CODECLIMATE_CA_FILE"] = "/tmp/cacert.pem"
+    s = CC::Service.new({}, {name: "test"})
+    assert_equal("/tmp/cacert.pem", s.ca_file)
+  ensure
+    ENV.delete("CODECLIMATE_CA_FILE")
+  end
 end