From edb18dcf956dd3399b2fb4b3d95cec4ca231578d Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Thu, 27 May 2021 15:17:27 -0600
Subject: [PATCH] Fix for default logger being cleaned up before Spectator runs

Resolves https://github.com/icy-arctic-fox/spectator/issues/27
---
 src/spectator.cr | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/spectator.cr b/src/spectator.cr
index 73a56d5..bdc324e 100644
--- a/src/spectator.cr
+++ b/src/spectator.cr
@@ -98,8 +98,21 @@ module Spectator
     config.random
   end
 
+  # Trick for detecting if a constant is defined.
+  # Includes the block of code if the *constant* is defined.
+  private macro on_defined(constant)
+    {% if constant.resolve? %}
+      {{yield}}
+    {% end %}
+  end
+
   # Builds the tests and runs the framework.
   private def run
+    # Silence default logger, only if it's used somewhere in the program.
+    on_defined(::Log) do
+      ::Log.setup_from_env(default_level: :none)
+    end
+
     # Build the test suite and run it.
     suite = ::Spectator::SpecBuilder.build(config.example_filter)
     Runner.new(suite, config).run