1 files changed, 57 insertions, 0 deletions
diff --git a/spec/mspec/spec/matchers/have_private_instance_method_spec.rb b/spec/mspec/spec/matchers/have_private_instance_method_spec.rb
new file mode 100644
index 0000000000..827c6b6034
--- /dev/null
+++ b/spec/mspec/spec/matchers/have_private_instance_method_spec.rb
@@ -0,0 +1,57 @@
+require 'spec_helper'
+require 'mspec/expectations/expectations'
+require 'mspec/matchers'
+
+class HPIMMSpecs
+  private
+
+  def private_method
+  end
+
+  class Subclass < HPIMMSpecs
+    private
+
+    def private_sub_method
+    end
+  end
+end
+
+describe HavePrivateInstanceMethodMatcher do
+  it "inherits from MethodMatcher" do
+    HavePrivateInstanceMethodMatcher.new(:m).should be_kind_of(MethodMatcher)
+  end
+
+  it "matches when mod has the private instance method" do
+    matcher = HavePrivateInstanceMethodMatcher.new :private_method
+    matcher.matches?(HPIMMSpecs).should be_true
+    matcher.matches?(HPIMMSpecs::Subclass).should be_true
+  end
+
+  it "does not match when mod does not have the private instance method" do
+    matcher = HavePrivateInstanceMethodMatcher.new :another_method
+    matcher.matches?(HPIMMSpecs).should be_false
+  end
+
+  it "does not match if the method is in a superclass and include_super is false" do
+    matcher = HavePrivateInstanceMethodMatcher.new :private_method, false
+    matcher.matches?(HPIMMSpecs::Subclass).should be_false
+  end
+
+  it "provides a failure message for #should" do
+    matcher = HavePrivateInstanceMethodMatcher.new :some_method
+    matcher.matches?(HPIMMSpecs)
+    matcher.failure_message.should == [
+      "Expected HPIMMSpecs to have private instance method 'some_method'",
+      "but it does not"
+    ]
+  end
+
+  it "provides a failure message for #should_not" do
+    matcher = HavePrivateInstanceMethodMatcher.new :some_method
+    matcher.matches?(HPIMMSpecs)
+    matcher.negative_failure_message.should == [
+      "Expected HPIMMSpecs NOT to have private instance method 'some_method'",
+      "but it does"
+    ]
+  end
+end