Add context instances

src/spectator.cr

@@ -4,7 +4,7 @@ require "./spectator/*"
 module Spectator
   VERSION = "0.1.0"
 
-  ALL_EXAMPLES = [] of Example
+  ROOT_CONTEXT = Context.new
 
   macro describe(what, source_file = __FILE__, source_line = __LINE__, &block)
     module Spectator
@@ -15,6 +15,6 @@ module Spectator
   end
 
   at_exit do
-    Runner.new(ALL_EXAMPLES).run
+    Runner.new(ROOT_CONTEXT).run
   end
 end

src/spectator/context.cr

@@ -0,0 +1,20 @@
+require "./example"
+
+module Spectator
+  class Context
+    getter examples = [] of Example
+    getter contexts = [] of Context
+
+    def all_examples
+      add_examples
+    end
+
+    protected def add_examples(array = [] of Example)
+      array.concat(@examples)
+      contexts.each do |context|
+        context.add_examples(array)
+      end
+      array
+    end
+  end
+end

src/spectator/dsl.cr

@@ -14,6 +14,9 @@ module Spectator
       module {{module_name.id}}
         include ::Spectator::DSL
 
+        CURRENT_CONTEXT = ::Spectator::Context.new
+        {{context_module.id}}::CURRENT_CONTEXT.contexts << CURRENT_CONTEXT
+
         CONTEXT_MODULE = {{context_module.id}}::{{module_name.id}}
         GIVEN_VARIABLES = [
           {{ parent_given_vars.join(", ").id }}
@@ -55,14 +58,14 @@ module Spectator
       end
 
       {% if given_vars.empty? %}
-        ::Spectator::ALL_EXAMPLES << {{class_name.id}}.new
+        CURRENT_CONTEXT.examples << {{class_name.id}}.new
       {% else %}
         {% for given_var in given_vars %}
           {% var_name = given_var[0] %}
           {% collection = given_var[1] %}
           {{collection}}.each do |{{var_name}}|
         {% end %}
-        ::Spectator::ALL_EXAMPLES << {{class_name.id}}.new({{var_names.join(", ").id}})
+        CURRENT_CONTEXT.examples << {{class_name.id}}.new({{var_names.join(", ").id}})
         {% for given_var in given_vars %}
           end
         {% end %}

src/spectator/examples.cr

@@ -4,6 +4,7 @@ module Spectator
   module Examples
     include ::Spectator::DSL
 
+    CURRENT_CONTEXT = Spectator::ROOT_CONTEXT
     CONTEXT_MODULE = ::Spectator::Examples
     GIVEN_VARIABLES = [] of Object
 

src/spectator/runner.cr

@@ -3,7 +3,7 @@ require "./successful_example_result"
 
 module Spectator
   class Runner
-    def initialize(@examples : Enumerable(Example),
+    def initialize(@context : Context,
       @reporter : Reporters::Reporter = Reporters::StandardReporter.new)
     end
 
@@ -11,7 +11,7 @@ module Spectator
       results = [] of ExampleResult
       elapsed = Time.measure do
         @reporter.start_suite
-        results = @examples.map do |example|
+        results = @context.all_examples.map do |example|
           @reporter.start_example(example)
           run_example(example).tap do |result|
             @reporter.end_example(result)