fix spec

spec/crisp/interpreter_spec.cr

@@ -1,15 +1,22 @@
 require "../helper"
-require_crisp "interpreter"
 
-describe "Crisp::Interpreter"
-  describe "#eval_string"
-    it "evaluates string of Crisp expression"
+describe "Crisp::Interpreter" do
+  describe "#eval_string" do
+    it "evaluates string of Crisp expression" do
       i = Crisp::Interpreter.new
       result = i.eval_string "(+ 1 2)"
       result.should be_a(Crisp::Type)
       unwrapped = result.unwrap
-      result.should be_a(Int32)
-      result.should eq(unwrapped, 3)
+      unwrapped.should be_a(Int32)
+      unwrapped.should eq(3)
+    end
+  end
+
+  describe "#run" do
+    it "raises eval error with file which doesn't exist" do
+      expect_raises Crisp::EvalException do
+        Crisp::Interpreter.new "/non/existent/file"
+      end
     end
   end
 end

spec/helper.cr

@@ -1,5 +1,3 @@
 require "spec"
+require "../src/crisp"
 
-macro require_crisp(module)
-  require "../../src/crisp/{{module}}"
-end