From 1525317e2ced4a4e99e07098c560d8c71c25867e Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Sun, 16 May 2021 20:38:02 -0600
Subject: [PATCH] Pass along and output random seed

---
 src/spectator/formatting/components/stats.cr | 8 ++++++++
 src/spectator/spec.cr                        | 2 +-
 src/spectator/spec/runner.cr                 | 6 +++---
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/spectator/formatting/components/stats.cr b/src/spectator/formatting/components/stats.cr
index 3daa837..cd5baea 100644
--- a/src/spectator/formatting/components/stats.cr
+++ b/src/spectator/formatting/components/stats.cr
@@ -1,3 +1,4 @@
+require "colorize"
 require "./runtime"
 require "./totals"
 
@@ -10,6 +11,9 @@ module Spectator::Formatting::Components
     def to_s(io)
       runtime(io)
       totals(io)
+      if seed = @report.random_seed?
+        random(io, seed)
+      end
     end
 
     private def runtime(io)
@@ -20,5 +24,9 @@ module Spectator::Formatting::Components
     private def totals(io)
       io.puts Totals.colorize(@report.counts)
     end
+
+    private def random(io, seed)
+      io.puts "Randomized with seed: #{seed}".colorize(:cyan)
+    end
   end
 end
diff --git a/src/spectator/spec.cr b/src/spectator/spec.cr
index e85d5dc..1e275d3 100644
--- a/src/spectator/spec.cr
+++ b/src/spectator/spec.cr
@@ -16,7 +16,7 @@ module Spectator
     # True will be returned if the spec ran successfully,
     # or false if there was at least one failure.
     def run : Bool
-      runner = Runner.new(examples, @config.formatter, @config.run_flags)
+      runner = Runner.new(examples, @config.formatter, @config.run_flags, @config.random_seed)
       runner.run
     end
 
diff --git a/src/spectator/spec/runner.cr b/src/spectator/spec/runner.cr
index d5696ea..81e86c2 100644
--- a/src/spectator/spec/runner.cr
+++ b/src/spectator/spec/runner.cr
@@ -16,8 +16,8 @@ module Spectator
       # The collection of *examples* should be pre-filtered and shuffled.
       # This runner will run each example in the order provided.
       # The *formatter* will be called for various events.
-      def initialize(@examples : Array(Example),
-                     @formatter : Formatting::Formatter, @run_flags = RunFlags::None)
+      def initialize(@examples : Array(Example), @formatter : Formatting::Formatter,
+                     @run_flags = RunFlags::None, @random_seed : UInt64? = nil)
       end
 
       # Runs the spec.
@@ -30,7 +30,7 @@ module Spectator
         elapsed = Time.measure { run_examples }
         stop
 
-        report = Report.generate(@examples, elapsed, nil) # TODO: Provide random seed.
+        report = Report.generate(@examples, elapsed, @random_seed)
         profile = Profile.generate(@examples) if @run_flags.profile? && report.counts.run > 0
         summarize(report, profile)