Hide constants used to build test hiearchy

src/spectator/context_definitions.cr

@@ -0,0 +1,6 @@
+module Spectator
+  module ContextDefinitions
+    ALL = {} of Path => Object
+    MAPPING = {} of String => Context
+  end
+end

src/spectator/dsl.cr

@@ -41,23 +41,24 @@ module Spectator
     end
 
     macro context(what, type = "Context", &block)
+      {% parent_module = @type %}
       {% safe_name = what.id.stringify.chars.map { |c| SPECIAL_CHAR_MAPPING[c] || c }.join("").gsub(/\W+/, "_") %}
       {% module_name = (type.id + safe_name.camelcase).id %}
-      {% context_module = CONTEXT_MODULE %}
-      {% parent_given_vars = GIVEN_VARIABLES %}
+      {% absolute_module_name = [parent_module, module_name].join("::").id %}
+      {% what_arg = what.is_a?(StringLiteral) ? what : what.stringify %}
+      {% parent_given = ::Spectator::ContextDefinitions::ALL[parent_module.id][:given] %}
       module {{module_name.id}}
         include ::Spectator::DSL
 
-        PARENT_CONTEXT = {{context_module.id}}::CURRENT_CONTEXT
-        CURRENT_CONTEXT = ::Spectator::Context.new({{what.is_a?(StringLiteral) ? what : what.stringify}}, PARENT_CONTEXT)
-
-        CONTEXT_MODULE = {{context_module.id}}::{{module_name.id}}
-        GIVEN_VARIABLES = [
-          {{ parent_given_vars.join(", ").id }}
-        ]{% if parent_given_vars.empty? %} of Object{% end %}
+        {% ::Spectator::ContextDefinitions::ALL[absolute_module_name] = {
+          name: module_name,
+          parent: parent_module,
+          given: parent_given.map { |e| e } # Duplicate elements without dup method.
+        } %}
+        ::Spectator::ContextDefinitions::MAPPING[{{absolute_module_name.stringify}}] = Context.new({{what_arg}}, ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}])
 
         module Locals
-          include {{context_module.id}}::Locals
+          include {{parent_module}}::Locals
 
           {% if what.is_a?(Path) %}
             def described_class
@@ -71,9 +72,10 @@ module Spectator
     end
 
     macro it(description, &block)
+      {% parent_module = @type %}
       {% safe_name = description.id.stringify.chars.map { |c| SPECIAL_CHAR_MAPPING[c] || c }.join("").gsub(/\W+/, "_") %}
       {% class_name = (safe_name.camelcase + "Example").id %}
-      {% given_vars = GIVEN_VARIABLES %}
+      {% given_vars = ::Spectator::ContextDefinitions::ALL[parent_module.id][:given] %}
       {% var_names = given_vars.map { |v| v[:name] } %}
       class {{class_name.id}} < ::Spectator::Example
         include Locals
@@ -104,15 +106,16 @@ module Spectator
         end
       end
 
+      %current_context = ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}]
       {% if given_vars.empty? %}
-        CURRENT_CONTEXT.examples << {{class_name.id}}.new(CURRENT_CONTEXT)
+        %current_context.examples << {{class_name.id}}.new(%current_context)
       {% else %}
         {% for given_var in given_vars %}
           {% var_name = given_var[:name] %}
           {% collection = given_var[:collection] %}
           {{collection}}.each do |{{var_name}}|
         {% end %}
-        CURRENT_CONTEXT.examples << {{class_name.id}}.new(CURRENT_CONTEXT, {{var_names.join(", ").id}})
+        %current_context.examples << {{class_name.id}}.new(%current_context, {{var_names.join(", ").id}})
         {% for given_var in given_vars %}
           end
         {% end %}
@@ -154,9 +157,11 @@ module Spectator
     end
 
     macro given(collection, &block)
+      {% parent_module = @type %}
       context({{collection}}, "Given") do
         {% var_name = block.args.empty? ? "value".id : block.args.first %}
-        {% if GIVEN_VARIABLES.find { |v| v[:name] == var_name.id } %}
+        {% given_vars = ::Spectator::ContextDefinitions::ALL[parent_module.id][:given] %}
+        {% if given_vars.find { |v| v[:name] == var_name.id } %}
           {% raise "Duplicate given variable name \"#{var_name.id}\"" %}
         {% end %}
 
@@ -181,30 +186,30 @@ module Spectator
           end
         end
 
-        {% GIVEN_VARIABLES << {name: var_name, collection: collection, setter: setter} %}
+        {% given_vars << {name: var_name, collection: collection, setter: setter} %}
 
         {{block.body}}
       end
     end
 
     macro before_all(&block)
-      CURRENT_CONTEXT.before_all_hooks << -> {{block}}
+      ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}].before_all_hooks << -> {{block}}
     end
 
     macro before_each(&block)
-      CURRENT_CONTEXT.before_each_hooks << -> {{block}}
+      ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}].before_each_hooks << -> {{block}}
     end
 
     macro after_all(&block)
-      CURRENT_CONTEXT.after_all_hooks << -> {{block}}
+      ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}].after_all_hooks << -> {{block}}
     end
 
     macro after_each(&block)
-      CURRENT_CONTEXT.after_each_hooks << -> {{block}}
+      ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}].after_each_hooks << -> {{block}}
     end
 
     macro around_each(&block)
-      CURRENT_CONTEXT.around_each_hooks << -> {{block}}
+      ::Spectator::ContextDefinitions::MAPPING[{{parent_module.stringify}}].around_each_hooks << -> {{block}}
     end
 
     def include_examples

src/spectator/examples.cr

@@ -4,9 +4,12 @@ module Spectator
   module Examples
     include ::Spectator::DSL
 
-    CURRENT_CONTEXT = ::Spectator::Context::ROOT
-    CONTEXT_MODULE = ::Spectator::Examples
-    GIVEN_VARIABLES = [] of Object
+    {% ::Spectator::ContextDefinitions::ALL[@type.id] = {
+      name: "ROOT",
+      parent: nil,
+      given: [] of Object
+    } %}
+    ::Spectator::ContextDefinitions::MAPPING[{{@type.stringify}}] = ::Spectator::Context::ROOT
 
     module Locals
     end