Support Faraday 2.x on 1-4-stable branch, for subsequent 1.x release

Gemfile

@@ -6,7 +6,7 @@ gemspec
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
-gem 'faraday', ['>= 0.8', '< 2.0'], :platforms => [:jruby_18, :ruby_18]
+gem 'faraday', ['>= 0.8', '< 3.0'], :platforms => [:jruby_18, :ruby_18]
 gem 'jwt'
 gem 'overcommit'
 gem 'rake'

lib/oauth2/client.rb

@@ -59,15 +59,12 @@ def site=(value)
 
     # The Faraday connection object
     def connection
-      @connection ||= begin
-        conn = Faraday.new(site, options[:connection_opts])
-        if options[:connection_build]
-          conn.build do |b|
-            options[:connection_build].call(b)
+      @connection ||=
+        Faraday.new(site, options[:connection_opts]) do |builder|
+          if options[:connection_build]
+            options[:connection_build].call(builder)
           end
         end
-        conn
-      end
     end
 
     # The authorize endpoint URL of the OAuth2 provider

oauth2.gemspec

@@ -5,7 +5,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require 'oauth2/version'
 
 Gem::Specification.new do |spec|
-  spec.add_dependency 'faraday', ['>= 0.8', '< 2.0']
+  spec.add_dependency 'faraday', ['>= 0.8', '< 3.0']
   spec.add_dependency 'jwt', ['>= 1.0', '< 3.0']
   spec.add_dependency 'multi_json', '~> 1.3'
   spec.add_dependency 'multi_xml', '~> 0.5'

spec/oauth2/client_spec.rb

@@ -46,7 +46,7 @@
     it 'is able to pass a block to configure the connection' do
       connection = double('connection')
       builder = double('builder')
-      allow(connection).to receive(:build).and_yield(builder)
+      allow(Faraday).to receive(:new).and_yield(builder)
       allow(Faraday::Connection).to receive(:new).and_return(connection)
 
       expect(builder).to receive(:adapter).with(:test)
@@ -517,7 +517,7 @@ def stubbed_client(params = {}, &stubs)
   context 'with SSL options' do
     subject do
       cli = described_class.new('abc', 'def', :site => 'https://api.example.com', :ssl => {:ca_file => 'foo.pem'})
-      cli.connection.build do |b|
+      cli.connection = Faraday.new(cli.site, cli.options[:connection_opts]) do |b|
         b.adapter :test
       end
       cli

spec/oauth2/strategy/assertion_spec.rb

@@ -3,7 +3,8 @@
 
   let(:client) do
     cli = OAuth2::Client.new('abc', 'def', :site => 'http://api.example.com')
-    cli.connection.build do |b|
+    cli.connection = Faraday.new(cli.site, cli.options[:connection_opts]) do |b|
+      b.request :url_encoded
       b.adapter :test do |stub|
         stub.post('/oauth/token') do |env|
           case @mode

spec/oauth2/strategy/password_spec.rb

@@ -3,7 +3,8 @@
 
   let(:client) do
     cli = OAuth2::Client.new('abc', 'def', :site => 'http://api.example.com')
-    cli.connection.build do |b|
+    cli.connection = Faraday.new(cli.site, cli.options[:connection_opts]) do |b|
+      b.request :url_encoded
       b.adapter :test do |stub|
         stub.post('/oauth/token') do |env|
           case @mode