moar coverage

lib/httpx/request.rb

@@ -62,7 +62,6 @@ module HTTPX
       :w
     end
 
-    # :nocov:
     if RUBY_VERSION < "2.2"
       # rubocop: disable Lint/UriEscapeUnescape:
       def initialize_with_escape(verb, uri, options = {})
@@ -72,7 +71,6 @@ module HTTPX
       alias_method :initialize, :initialize_with_escape
       # rubocop: enable Lint/UriEscapeUnescape:
     end
-    # :nocov:
 
     def merge_headers(h)
       @headers = @headers.merge(h)
@@ -178,19 +176,13 @@ module HTTPX
         return true if @body.nil?
         return false if chunked?
 
-        bytesize.zero?
+        @body.bytesize.zero?
       end
 
       def bytesize
         return 0 if @body.nil?
 
-        if @body.respond_to?(:bytesize)
-          @body.bytesize
-        elsif @body.respond_to?(:size)
-          @body.size
-        else
-          raise Error, "cannot determine size of body: #{@body.inspect}"
-        end
+        @body.bytesize
       end
 
       def stream(body)

test/headers_test.rb

@@ -5,6 +5,24 @@ require_relative "test_helper"
 class HeadersTest < Minitest::Test
   include HTTPX
 
+  def test_headers_clone
+    h1 = Headers.new
+    h2 = h1.clone
+    h2.instance_variables.each do |ivar|
+      assert !h1.instance_variable_get(ivar).nil?
+      assert !h1.instance_variable_get(ivar).equal?(h2.instance_variable_get(ivar))
+    end
+  end
+
+  def test_headers_dup
+    h1 = Headers.new
+    h2 = h1.dup
+    h2.instance_variables.each do |ivar|
+      assert !h1.instance_variable_get(ivar).nil?
+      assert !h1.instance_variable_get(ivar).equal?(h2.instance_variable_get(ivar))
+    end
+  end
+
   def test_headers_set
     h1 = Headers.new
     assert h1["accept"].nil?, "unexpected header value"