Rspec: Ensure PacketFu is actually still available

PacketFu should be required from the gem, not from the shipped msf
library. Several modules depend on it being available, so this rspec
test mostly just ensures that Msf::Exploit::Capture mixin is still
around.

Author: Tod Beardsley

spec/lib/msf/core/exploit/capture_spec.rb

@@ -0,0 +1,53 @@
+# -*- coding:binary -*-
+require 'spec_helper'
+
+require 'msf/core'
+require 'msf/core/module'
+require 'msf/core/exploit/capture'
+
+describe Msf::Exploit::Capture do
+
+	subject do
+		mod = Msf::Module.new
+		mod.extend described_class
+		mod
+	end
+
+	it 'should be a kind of Msf::Exploit::Capture' do
+		subject.should be_a_kind_of Msf::Exploit::Capture
+	end
+
+	context '#stats_*' do
+
+		it 'should show received packets' do
+			subject.stats_recv.should == 0
+		end
+
+		it 'should show dropped packets' do
+			subject.stats_drop.should == 0
+		end
+
+		it 'should show interface-dropped packets' do
+			subject.stats_ifdrop.should == 0
+		end
+
+	end
+
+	it 'should respond to open_pcap' do
+		subject.should respond_to :open_pcap
+	end
+
+	it 'should confirm that pcaprub is available', :pending => "Need to test this without stubbing check_pcaprub_loaded" do
+	end
+
+	it 'should open a pcap file', :pending => "Provde a sample pcap file to read" do
+	end
+
+	it 'should capture from an iface', :pending => "Mock this? Tends to need root" do
+	end
+
+	it 'should inject packets to an ifrace', :pending => "Mock this? Tends to need root" do
+	end
+
+end
+