diff --git a/test/hyperclient/attributes_test.rb b/test/hyperclient/attributes_test.rb
index 5c0587f..128470b 100644
--- a/test/hyperclient/attributes_test.rb
+++ b/test/hyperclient/attributes_test.rb
@@ -36,5 +36,14 @@ module Hyperclient
     it 'is a collection' do
       _(Attributes.ancestors).must_include Collection
     end
+
+    describe 'when the representation is not a Hash' do
+      it 'wraps the representation as-is instead of filtering reserved keys' do
+        representation = 'not a hash'
+        attributes = Attributes.new(representation)
+
+        _(attributes.instance_variable_get(:@collection)).must_equal representation
+      end
+    end
   end
 end
diff --git a/test/hyperclient/collection_test.rb b/test/hyperclient/collection_test.rb
index 290956c..1b29066 100644
--- a/test/hyperclient/collection_test.rb
+++ b/test/hyperclient/collection_test.rb
@@ -41,6 +41,18 @@ module Hyperclient
       end
     end
 
+    describe '#to_s' do
+      it 'returns the wrapped collection as a hash' do
+        _(collection.to_s).must_be_kind_of Hash
+      end
+    end
+
+    describe '#method_missing' do
+      it 'raises an error for missing keys' do
+        _(proc { collection.missing_key }).must_raise RuntimeError
+      end
+    end
+
     describe 'include?' do
       it 'returns true for keys that exist' do
         _(collection.include?('_links')).must_equal true
diff --git a/test/hyperclient/curie_test.rb b/test/hyperclient/curie_test.rb
index 0f7cfb4..8d9463c 100644
--- a/test/hyperclient/curie_test.rb
+++ b/test/hyperclient/curie_test.rb
@@ -34,5 +34,12 @@ module Hyperclient
         _(curie.expand('thumbnail')).must_equal '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/images/thumbnail'
       end
     end
+
+    describe 'inspect' do
+      it 'outputs a custom-friendly output' do
+        _(curie.inspect).must_include 'Curie'
+        _(curie.inspect).must_include({ 'name' => 'image', 'href' => '/images/{rel}', 'templated' => true }.to_s)
+      end
+    end
   end
 end
diff --git a/test/hyperclient/entry_point_test.rb b/test/hyperclient/entry_point_test.rb
index 8aa3a98..e36a788 100644
--- a/test/hyperclient/entry_point_test.rb
+++ b/test/hyperclient/entry_point_test.rb
@@ -53,6 +53,19 @@ module Hyperclient
           _(entry_point.connection).must_be_kind_of Faraday::Connection
           _(-> { entry_point.connection {} }).must_raise ConnectionAlreadyInitializedError
         end
+
+        it 'can set the faraday block before a connection has been constructed' do
+          block = proc { |conn| conn.use Faraday::Request::Instrumentation }
+          entry_point.faraday_block = block
+
+          _(entry_point.faraday_block).must_equal block
+        end
+
+        it 'raises a ConnectionAlreadyInitializedError if attempting to modify ' \
+           'the faraday block after a connection has been constructed' do
+          _(entry_point.connection).must_be_kind_of Faraday::Connection
+          _(-> { entry_point.faraday_block = proc {} }).must_raise ConnectionAlreadyInitializedError
+        end
       end
 
       describe 'initialize' do
@@ -181,5 +194,11 @@ module Hyperclient
         end
       end
     end
+
+    describe ConnectionAlreadyInitializedError do
+      it 'has a descriptive message' do
+        _(ConnectionAlreadyInitializedError.new.message).must_equal 'The connection has already been initialized.'
+      end
+    end
   end
 end
diff --git a/test/hyperclient/link_collection_test.rb b/test/hyperclient/link_collection_test.rb
index 7eb49a3..b1e241d 100644
--- a/test/hyperclient/link_collection_test.rb
+++ b/test/hyperclient/link_collection_test.rb
@@ -79,5 +79,11 @@ module Hyperclient
         _(null_link).must_be_nil
       end
     end
+
+    describe 'invalid collection' do
+      it 'raises an error when the collection does not respond to collect' do
+        _(proc { LinkCollection.new('invalid', {}, entry_point) }).must_raise RuntimeError
+      end
+    end
   end
 end
diff --git a/test/hyperclient/link_test.rb b/test/hyperclient/link_test.rb
index f4400de..9c6e73a 100644
--- a/test/hyperclient/link_test.rb
+++ b/test/hyperclient/link_test.rb
@@ -323,6 +323,37 @@ module Hyperclient
 
           _(resource.next._links.next._url).must_equal 'http://api.example.org/page3'
         end
+
+        it 'iterates over paginated, embedded items across pages' do
+          resource = Resource.new({ '_links' => { 'orders' => { 'href' => '/orders' } } }, entry_point)
+
+          stub_request(entry_point.connection) do |stub|
+            stub.get('http://api.example.org/orders') do
+              [200, {}, { '_links' => { 'next' => { 'href' => 'http://api.example.org/orders?page=2' } },
+                          '_embedded' => { 'orders' => [{ 'id' => 1 }] } }]
+            end
+            stub.get('http://api.example.org/orders?page=2') do
+              [200, {}, { '_embedded' => { 'orders' => [{ 'id' => 2 }] } }]
+            end
+          end
+
+          ids = resource._links.orders.map(&:id)
+
+          _(ids).must_equal [1, 2]
+        end
+
+        it 'returns an Enumerator when called without a block' do
+          resource = Resource.new({ '_links' => { 'orders' => { 'href' => '/orders' } } }, entry_point)
+
+          stub_request(entry_point.connection) do |stub|
+            stub.get('http://api.example.org/orders') { [200, {}, { '_embedded' => { 'orders' => [{ 'id' => 1 }] } }] }
+          end
+
+          enum = resource._links.orders.each
+
+          _(enum).must_be_kind_of Enumerator
+          _(enum.to_a.first.id).must_equal 1
+        end
       end
 
       describe 'resource' do
@@ -355,11 +386,51 @@ module Hyperclient
           _(link.respond_to?(:embedded)).must_equal true
         end
 
+        it 'responds to missing methods that delegate to another resource' do
+          delegate = mock('Delegate')
+          resource.expects(:respond_to?).with('orders').returns(true)
+          resource.expects(:send).with('orders').returns(delegate)
+          delegate.expects(:respond_to?).with('foo').returns(true)
+
+          _(link.respond_to?(:foo)).must_equal true
+        end
+
         it 'does not delegate to_ary to resource' do
           resource.expects(:to_ary).never
 
           _([[link, link]].flatten).must_equal [link, link]
         end
+
+        it 'delegates through delegate_method when the resource responds but returns nil' do
+          delegate = mock('Delegate')
+          resource.expects(:respond_to?).with('foo').returns(true)
+          resource.expects(:send).with(:foo).returns(nil)
+          resource.expects(:respond_to?).with('orders').returns(true)
+          resource.expects(:send).with('orders').returns(delegate)
+          delegate.expects(:respond_to?).with('foo').returns(true)
+          delegate.expects(:send).with(:foo).returns('delegated result')
+
+          _(link.foo).must_equal 'delegated result'
+        end
+
+        it 'returns nil from delegate_method when the resource has no matching key' do
+          keyless_link = Link.new(nil, { 'href' => 'http://myapi.org/orders' }, entry_point)
+          resource.expects(:respond_to?).with('foo').returns(true)
+          resource.expects(:send).with(:foo).returns(nil)
+
+          _(keyless_link.foo).must_be_nil
+        end
+
+        it 'returns nil from delegate_method when the delegate does not respond to the method' do
+          delegate = mock('Delegate')
+          resource.expects(:respond_to?).with('foo').returns(true)
+          resource.expects(:send).with(:foo).returns(nil)
+          resource.expects(:respond_to?).with('orders').returns(true)
+          resource.expects(:send).with('orders').returns(delegate)
+          delegate.expects(:respond_to?).with('foo').returns(false)
+
+          _(link.foo).must_be_nil
+        end
       end
     end
   end
diff --git a/test/hyperclient/resource_test.rb b/test/hyperclient/resource_test.rb
index 6c96c12..a566119 100644
--- a/test/hyperclient/resource_test.rb
+++ b/test/hyperclient/resource_test.rb
@@ -228,5 +228,16 @@ module Hyperclient
         end
       end
     end
+
+    describe 'inspect' do
+      it 'outputs a custom-friendly output' do
+        resource = Resource.new({ '_links' => { 'self' => { 'href' => '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/orders/523' } }, 'title' => 'Order' },
+                                entry_point)
+
+        _(resource.inspect).must_include 'Resource'
+        _(resource.inspect).must_include 'self_link:'
+        _(resource.inspect).must_include 'attributes:'
+      end
+    end
   end
 end