Fix error when content type is not available on response.

CHANGELOG.md

@@ -1,5 +1,7 @@
 # Changelog
 
+- **unreleased**
+  - Fix error when content type is not available on response.
 - **1.2.2**
   - Transform header key before assigning values.
 - **1.2.1**

lib/aitch/request.rb

@@ -102,7 +102,7 @@ def http_method_class
       all_headers = options.fetch(:default_headers, {}).merge(headers)
 
       all_headers.each do |name, value|
-        value = value.respond_to?(:call) ? value.call : value
+        value = value.call if value.respond_to?(:call)
         name = name.to_s.split(HEADER_SEPARATOR_RE).map(&:capitalize).join("-")
         request[name] = value.to_s
       end

lib/aitch/response.rb

@@ -2,8 +2,6 @@
 
 module Aitch
   class Response
-    extend Forwardable
-
     JSON_STR = "json"
     XML_STR = "xml"
     HTML_STR = "html"
@@ -13,8 +11,7 @@ class Response
     ERROR_SUFFIX = "_error"
     X_RE = /^x-/.freeze
 
-    def_delegators :@http_response, :content_type
-    attr_accessor :redirected_from, :url
+    attr_accessor :redirected_from, :url, :content_type
 
     def self.description_for_code(code)
       [code, DESCRIPTION[code]].compact.join(SPACE_STR)
@@ -24,6 +21,7 @@ def initialize(options, http_response)
       @options = options
       @http_response = http_response
       @redirected_from = options.fetch(:redirected_from, [])
+      @content_type = http_response.content_type.to_s
     end
 
     ERRORS.each do |status_code, exception|

test/aitch/request_test.rb

@@ -150,7 +150,7 @@ class RequestTest < Minitest::Test
 
   test "sets basic auth credentials" do
     request = build_request(options: {user: "USER", password: "PASS"}).request
-    credentials = Base64.decode64(request["Authorization"].gsub(/Basic /, ""))
+    credentials = Base64.decode64(request["Authorization"].gsub("Basic ", ""))
 
     assert_equal "USER:PASS", credentials
   end

test/aitch/response/errors_test.rb

@@ -8,7 +8,7 @@ class ErrorsTest < Minitest::Test
 
     test "detects response as #{name}" do
       config = {}
-      http_response = stub(code: code)
+      http_response = stub(code: code, content_type: "text/html")
       response = Aitch::Response.new(config, http_response)
 
       assert response.public_send("#{name}?")

test/aitch/response/status_3xx_test.rb

@@ -6,11 +6,20 @@ class Status3xxTest < Minitest::Test
   setup { Aitch.configuration.follow_redirect = false }
 
   test "sets default redirected from" do
-    assert_empty Aitch::Response.new({}, stub("response")).redirected_from
+    response =
+      Aitch::Response.new({}, stub("response", content_type: "text/html"))
+
+    assert_empty response.redirected_from
   end
 
   test "uses provided redirected from" do
-    assert_equal ["URL"], Aitch::Response.new({redirected_from: ["URL"]}, stub("response")).redirected_from
+    response =
+      Aitch::Response.new(
+        {redirected_from: ["URL"]},
+        stub("response", content_type: "text/html")
+      )
+
+    assert_equal ["URL"], response.redirected_from
   end
 
   test "has body" do