Allow using Faraday 1.x release in gemspec

lib/zendesk_api/middleware/request/etag_cache.rb

@@ -30,7 +30,11 @@ def call(environment)
 
           @app.call(environment).on_complete do |env|
             if cached && env[:status] == 304 # not modified
+              # Handle differences in serialized env keys in Faraday < 1.0 and 1.0
+              # See https://github.com/lostisland/faraday/pull/847
               env[:body] = cached[:body]
+              env[:response_body] = cached[:response_body]
+
               env[:response_headers].merge!(
                 :etag => cached[:response_headers][:etag],
                 :content_type => cached[:response_headers][:content_type],

lib/zendesk_api/middleware/response/raise_error.rb

@@ -6,7 +6,7 @@ module Response
       class RaiseError < Faraday::Response::RaiseError
         def call(env)
           super
-        rescue Faraday::Error::TimeoutError, Faraday::Error::ConnectionFailed => e
+        rescue Faraday::TimeoutError, Faraday::ConnectionFailed => e
           raise Error::NetworkError.new(e, env)
         end
 

spec/core/middleware/response/raise_error_spec.rb

@@ -4,7 +4,7 @@
   context "with a failed connection" do
     context "connection failed" do
       before(:each) do
-        stub_request(:any, /.*/).to_raise(Faraday::Error::ConnectionFailed)
+        stub_request(:any, /.*/).to_raise(Faraday::ConnectionFailed)
       end
 
       it "should raise NetworkError" do

zendesk_api.gemspec

@@ -26,7 +26,7 @@ Gem::Specification.new do |s|
   s.required_ruby_version     = ">= 2.3"
   s.required_rubygems_version = ">= 1.3.6"
 
-  s.add_runtime_dependency "faraday", ">= 0.9.0", "< 1.0.0"
+  s.add_runtime_dependency "faraday", ">= 0.9.0", "< 2.0.0"
   s.add_runtime_dependency "hashie", ">= 3.5.2", "< 4.0.0"
   s.add_runtime_dependency "inflection"
   s.add_runtime_dependency "multipart-post", "~> 2.0"