Update tests for faraday 2.x

ldp.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.summary       = spec.description
   spec.homepage      = "https://github.com/projecthydra/ldp"
   spec.license       = "APACHE2"
-  spec.required_ruby_version = '~> 2.0'
+  spec.required_ruby_version = '>= 2.0'
 
   spec.files         = `git ls-files`.split($/)
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }

spec/lib/ldp/client_spec.rb

@@ -41,7 +41,14 @@
       builder.adapter :test, conn_stubs do |stub|
       end
     end
+  end
 
+  let(:auth_conn) do
+    Faraday.new do |builder|
+      builder.adapter :test, conn_stubs do |stub|
+      end
+      builder.request(:authorization, :basic_auth, 'Aladdin', 'open sesame')
+    end
   end
 
   subject do
@@ -192,13 +199,15 @@
       expect { |b| subject.post "a_container", &b }.to yield_control
     end
 
-    it "should preserve basic auth headers" do
-      subject.http.basic_auth('Aladdin', 'open sesame')
-      subject.post "a_container", 'foo' do |req|
-        expect(req.headers).to include({ "Authorization" => "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" })
+    context 'with authentication' do
+      let(:mock_conn) { auth_conn }
+
+      it "should preserve basic auth headers" do
+        subject.post "a_container", 'foo' do |req|
+          expect(req.headers).to include({ "Authorization" => "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" })
+        end
       end
     end
-
   end
 
   describe "put" do
@@ -244,19 +253,22 @@
       end
     end
 
-    it "should preserve basic auth headers" do
-      subject.http.basic_auth('Aladdin', 'open sesame')
-      subject.put "a_resource", "some-payload" do |req|
-        expect(req.headers).to include({ "Authorization" => "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" })
+    context 'with authentication' do
+      let(:mock_conn) { auth_conn }
+
+      it "should preserve basic auth headers" do
+        subject.put "a_resource", "some-payload" do |req|
+          expect(req.headers).to include({ "Authorization" => "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" })
+        end
       end
     end
 
   end
 
   describe 'patch' do
+    let(:mock_conn) { auth_conn }
 
     it "should preserve basic auth headers" do
-      subject.http.basic_auth('Aladdin', 'open sesame')
       subject.patch "a_container", 'foo' do |req|
         expect(req.headers).to include({ "Authorization" => "Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==" })
       end