Pass test values to test instance

src/spectator/spec_builder.cr

@@ -44,7 +44,7 @@ module Spectator
     # The example will be instantiated later.
     def add_example(description : String, source : Source,
                     example_type : ::SpectatorTest.class, &runner : ::SpectatorTest ->) : Nil
-      builder = ->{ example_type.new.as(::SpectatorTest) }
+      builder = ->(values : TestValues) { example_type.new(values).as(::SpectatorTest) }
       factory = ExampleBuilder.new(description, source, builder, runner)
       @@stack.current.add_child(factory)
     end

src/spectator/spec_builder/example_builder.cr

@@ -1,15 +1,16 @@
 require "../../spectator_test"
+require "../test_values"
 require "../test_wrapper"
 
 module Spectator::SpecBuilder
   class ExampleBuilder
-    alias FactoryMethod = -> ::SpectatorTest
+    alias FactoryMethod = TestValues -> ::SpectatorTest
 
     def initialize(@description : String, @source : Source, @builder : FactoryMethod, @runner : TestMethod)
     end
 
     def build(group)
-      test = @builder.call
+      test = @builder.call(group.context.values)
       wrapper = TestWrapper.new(@description, @source, test, @runner)
       RunnableExample.new(group, wrapper).as(ExampleComponent)
     end

src/spectator/spec_builder/nested_example_group_builder.cr

@@ -7,7 +7,7 @@ module Spectator::SpecBuilder
     end
 
     def build(parent_group)
-      context = TestContext.new(parent_group.context, build_hooks)
+      context = TestContext.new(parent_group.context, build_hooks, parent_group.context.values)
       NestedExampleGroup.new(@what, parent_group, context).tap do |group|
         group.children = children.map do |child|
           child.build(group).as(ExampleComponent)

src/spectator/spec_builder/root_example_group_builder.cr

@@ -1,9 +1,10 @@
+require "../test_values"
 require "./example_group_builder"
 
 module Spectator::SpecBuilder
   class RootExampleGroupBuilder < ExampleGroupBuilder
     def build
-      context = TestContext.new(nil, build_hooks)
+      context = TestContext.new(nil, build_hooks, TestValues.empty)
       RootExampleGroup.new(context).tap do |group|
         group.children = children.map do |child|
           child.build(group).as(ExampleComponent)

src/spectator/spec_builder/sample_example_group_builder.cr

@@ -2,11 +2,12 @@ require "./nested_example_group_builder"
 
 module Spectator::SpecBuilder
   class SampleExampleGroupBuilder < NestedExampleGroupBuilder
-    def initialize(@what : String)
+    def initialize(@what : String | Symbol)
+      @id = :TODO
     end
 
     def build(parent_group)
-      context = TestContext.new(parent_group.context, build_hooks)
+      context = TestContext.new(parent_group.context, build_hooks, parent_group.context.values)
       NestedExampleGroup.new(@what, parent_group, context).tap do |group|
         group.children = [:TODO].map do |element|
           build_sub_group(group, element).as(ExampleComponent)
@@ -15,7 +16,8 @@ module Spectator::SpecBuilder
     end
 
     private def build_sub_group(parent_group, element)
-      context = TestContext.new(parent_group.context, ExampleHooks.empty)
+      values = parent_group.context.values.add(@id, @what.to_s, element)
+      context = TestContext.new(parent_group.context, ExampleHooks.empty, values)
       NestedExampleGroup.new("TODO", parent_group, context).tap do |group|
         group.children = children.map do |child|
           child.build(group).as(ExampleComponent)

src/spectator/test_context.cr

@@ -1,6 +1,11 @@
+require "./example_hooks"
+require "./test_values"
+
 module Spectator
   class TestContext
-    def initialize(@parent : TestContext?, @hooks : ExampleHooks)
+    getter values
+
+    def initialize(@parent : TestContext?, @hooks : ExampleHooks, @values : TestValues)
       @before_all_hooks_run = false
       @after_all_hooks_run = false
     end

src/spectator/test_values.cr

@@ -1,3 +1,4 @@
+require "./typed_value_wrapper"
 require "./value_wrapper"
 
 module Spectator

src/spectator_test.cr

@@ -5,4 +5,7 @@ require "./spectator/dsl"
 # so that the namespace isn't leaked into tests unexpectedly.
 class SpectatorTest
   include ::Spectator::DSL
+
+  def initialize(@spectator_test_values : ::Spectator::TestValues)
+  end
 end