Pass and output along reason for pending/skip result

src/spectator/example.cr

@@ -26,7 +26,7 @@ module Spectator
 
     # Result of the last time the example ran.
     # Is pending if the example hasn't run.
-    getter result : Result = PendingResult.new
+    getter result : Result = PendingResult.new(Time::Span::ZERO, "Example not run")
 
     # Creates the example.
     # An instance to run the test code in is given by *context*.

src/spectator/formatting/components/junit/test_case.cr

@@ -78,8 +78,8 @@ module Spectator::Formatting::Components::JUnit
       end
 
       # Adds a skipped element to the test case node.
-      def pending(_result)
-        @xml.element("skipped") # TODO: Populate message attribute with reason from result.
+      def pending(result)
+        @xml.element("skipped", message: result.reason)
       end
     end
   end

src/spectator/formatting/components/pending_result_block.cr

@@ -13,7 +13,7 @@ module Spectator::Formatting::Components
 
     # Content displayed on the second line of the block after the label.
     private def subtitle
-      "No reason given" # TODO: Get reason from result.
+      @result.reason
     end
 
     # Prefix for the second line of the block.

src/spectator/formatting/tap_formatter.cr

@@ -33,7 +33,11 @@ module Spectator::Formatting
       # TODO: Skipped tests should report ok.
       @io << "not ok " << @counter << " - "
       @io << notification.example << " # TODO "
-      @io.puts "No reason given" # TODO: Get reason from result.
+
+      # This should never be false.
+      if (result = notification.example.result).responds_to?(:reason)
+        @io.puts result.reason
+      end
     end
 
     # Invoked after an example fails.

src/spectator/harness.cr

@@ -121,7 +121,7 @@ module Spectator
       when ExpectationFailed
         FailResult.new(elapsed, error, @expectations)
       when ExamplePending
-        PendingResult.new(elapsed, @expectations)
+        PendingResult.new(elapsed, error.message || "No reason given", @expectations)
       else
         ErrorResult.new(elapsed, error, @expectations)
       end

src/spectator/pending_result.cr

@@ -5,10 +5,14 @@ module Spectator
   # A pending result means the example is not ready to run yet.
   # This can happen when the functionality to be tested is not implemented yet.
   class PendingResult < Result
+    # Reason the example was skipped or marked pending.
+    getter reason : String
+
     # Creates the result.
     # *elapsed* is the length of time it took to run the example.
-    def initialize(elapsed = Time::Span::ZERO, expectations = [] of Expectation)
-      super
+    # A *reason* for the skip/pending result can be specified.
+    def initialize(elapsed = Time::Span::ZERO, @reason = "No reason given", expectations = [] of Expectation)
+      super(elapsed, expectations)
     end
 
     # Calls the `pending` method on the *visitor*.
@@ -40,7 +44,7 @@ module Spectator
     def to_json(json : JSON::Builder)
       super
       json.field("status", "pending")
-      json.field("pending_message", "Not implemented") # TODO: Provide pending message.
+      json.field("pending_message", @reason)
     end
   end
 end