From 74905b82bdc1183ee97feb50c2ed57c68c91e648 Mon Sep 17 00:00:00 2001
From: Michael Miller <icy.arctic.fox@gmail.com>
Date: Thu, 23 Aug 2018 12:44:40 -0600
Subject: [PATCH] Minimal handling of expectations and failures

---
 src/spectator/example.cr                  | 2 ++
 src/spectator/expectation.cr              | 8 ++++++++
 src/spectator/expectation_failed_error.cr | 4 ++++
 3 files changed, 14 insertions(+)
 create mode 100644 src/spectator/expectation_failed_error.cr

diff --git a/src/spectator/example.cr b/src/spectator/example.cr
index 4c97fe9..2db98fc 100644
--- a/src/spectator/example.cr
+++ b/src/spectator/example.cr
@@ -5,6 +5,8 @@ module Spectator
 
     def run
       @block.call
+    rescue ex : ExpectationFailedError
+      puts ex
     end
   end
 end
diff --git a/src/spectator/expectation.cr b/src/spectator/expectation.cr
index 2aae0ac..6a152ea 100644
--- a/src/spectator/expectation.cr
+++ b/src/spectator/expectation.cr
@@ -1,3 +1,5 @@
+require "./matchers/matcher"
+
 def expect(actual : T) forall T
   Spectator::Expectation.new(actual)
 end
@@ -8,5 +10,11 @@ module Spectator
 
     protected def initialize(@actual : T)
     end
+
+    def to(matcher : Matchers::Matcher)
+      unless matcher.match?(self)
+        raise ExpectationFailedError.new
+      end
+    end
   end
 end
diff --git a/src/spectator/expectation_failed_error.cr b/src/spectator/expectation_failed_error.cr
new file mode 100644
index 0000000..71a8e13
--- /dev/null
+++ b/src/spectator/expectation_failed_error.cr
@@ -0,0 +1,4 @@
+module Spectator
+  class ExpectationFailedError < Exception
+  end
+end