Add DSL and code to create around_each hooks

src/spectator/dsl/builder.cr

@@ -59,6 +59,12 @@ module Spectator::DSL
       @@builder.after_each(hook)
     end
 
+    # Defines a block of code to execute around every example in the current group.
+    def around_each(source = nil, label = "around_each", &block : Example::Procsy ->)
+      hook = ExampleProcsyHook.new(source: source, label: label, &block)
+      @@builder.around_each(hook)
+    end
+
     # Sets the configuration of the spec.
     #
     # See `Spec::Builder#config=` for usage details.

src/spectator/dsl/hooks.cr

@@ -66,5 +66,15 @@ module Spectator::DSL
     # The block will be run in the context of the current running example.
     # This means that values defined by `let` and `subject` are available.
     define_example_hook :after_each
+
+    # Defines a block of code that will be invoked around every example in the group.
+    # The block will be run in the context of the current running example.
+    # This means that values defined by `let` and `subject` are available.
+    #
+    # The block will execute before the example.
+    # An `Example::Procsy` is passed to the block.
+    # The `Example::Procsy#run` method should be called to ensure the example runs.
+    # More code can run afterwards (in the block).
+    define_example_hook :around_each
   end
 end

src/spectator/spec_builder.cr

@@ -149,6 +149,20 @@ module Spectator
       current_group.after_each(&block)
     end
 
+    # Attaches a hook to be invoked around every example in the current group.
+    # The current example in procsy form is provided as a block argument.
+    def around_each(hook)
+      Log.trace { "Add around_each hook #{hook}" }
+      current_group.add_around_each_hook(hook)
+    end
+
+    # Defines a block of code to execute around every example in the current group.
+    # The current example in procsy form is provided as a block argument.
+    def around_each(&block : Example -> _)
+      Log.trace { "Add around_each hook" }
+      current_group.around_each(&block)
+    end
+
     # Builds the configuration to use for the spec.
     # A `ConfigBuilder` is yielded to the block provided to this method.
     # That builder will be used to create the configuration.