Add spec for Pry::Config

spec/config_spec.rb

@@ -0,0 +1,64 @@
+require 'helper'
+
+describe Pry::Config do
+  describe "local config" do
+    it "should be set" do
+      t = pry_tester
+      t.eval "_pry_.config.foobar = 'hello'"
+      t.eval("_pry_.config.foobar").should == 'hello'
+    end
+
+    it "should be set (array)" do
+      t = pry_tester
+      t.eval "_pry_.config.foobar = []"
+      t.eval "_pry_.config.foobar << 1 << 2"
+      t.eval("_pry_.config.foobar").should == [1, 2]
+    end
+
+    it "should be global config value when local config is not set" do
+      Pry.config.foobar = 'hello'
+      t = pry_tester
+      t.eval("_pry_.config.foobar").should == 'hello'
+      Pry.config.foobar = nil
+    end
+
+    it "should be local config value when local config is set" do
+      Pry.config.foobar = 'hello'
+      t = pry_tester
+      t.eval "_pry_.config.foobar = 'goodbye'"
+      t.eval("_pry_.config.foobar").should == 'goodbye'
+      Pry.config.foobar = nil
+    end
+  end
+
+  describe "global config" do
+    it "should be set" do
+      Pry.config.foobar = 'hello'
+      Pry.config.foobar.should == 'hello'
+      Pry.config.foobar = nil
+    end
+
+    it "should be set (array)" do
+      Pry.config.foobar = []
+      Pry.config.foobar << 1 << 2
+      Pry.config.foobar.should == [1, 2]
+      Pry.config.foobar = nil
+    end
+
+    it "should keep value when local config is set" do
+      Pry.config.foobar = 'hello'
+      t = pry_tester
+      t.eval "_pry_.config.foobar = 'goodbye'"
+      Pry.config.foobar.should == 'hello'
+      Pry.config.foobar = nil
+    end
+
+    it "should keep value when local config is set (array)" do
+      Pry.config.foobar = [1, 2]
+      t = pry_tester
+      t.eval "_pry_.config.foobar << 3 << 4"
+      Pry.config.foobar.should == [1, 2]
+      Pry.config.foobar = nil
+    end
+  end
+end