X-Git-Url: https://review.fuel-infra.org/gitweb?a=blobdiff_plain;f=spec%2Funit%2Frpc%2Fclient_spec.rb;fp=spec%2Funit%2Frpc%2Fclient_spec.rb;h=5905c02d282298887045785f2b73cb243f2aae89;hb=b87d2f4e68281062df1913440ca5753ae63314a9;hp=0000000000000000000000000000000000000000;hpb=ab0ea530b8ac956091f17b104ab2311336cfc250;p=packages%2Fprecise%2Fmcollective.git

diff --git a/spec/unit/rpc/client_spec.rb b/spec/unit/rpc/client_spec.rb
new file mode 100644
index 0000000..5905c02
--- /dev/null
+++ b/spec/unit/rpc/client_spec.rb
@@ -0,0 +1,861 @@
+#!/usr/bin/env rspec
+
+require 'spec_helper'
+
+module MCollective
+  module RPC
+    describe Client do
+      before do
+        @coreclient = mock
+        @discoverer = mock
+
+        ddl = DDL.new("foo", "agent", false)
+        ddl.action("rspec", :description => "mock agent")
+
+        ddl.stubs(:meta).returns({:timeout => 2})
+        DDL.stubs(:new).returns(ddl)
+
+        @discoverer.stubs(:force_direct_mode?).returns(false)
+        @discoverer.stubs(:discovery_method).returns("mc")
+        @discoverer.stubs(:force_discovery_method_by_filter).returns(false)
+        @discoverer.stubs(:discovery_timeout).returns(2)
+        @discoverer.stubs(:ddl).returns(ddl)
+
+        @coreclient.stubs("options=")
+        @coreclient.stubs(:collective).returns("mcollective")
+        @coreclient.stubs(:timeout_for_compound_filter).returns(0)
+        @coreclient.stubs(:discoverer).returns(@discoverer)
+
+        Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+        Config.instance.stubs(:direct_addressing).returns(true)
+        Config.instance.stubs(:collectives).returns(["mcollective", "rspec"])
+        MCollective::Client.stubs(:new).returns(@coreclient)
+
+        @stderr = StringIO.new
+        @stdout = StringIO.new
+
+        @client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+        @client.stubs(:ddl).returns(ddl)
+      end
+
+      describe "#initialize" do
+        it "should fail for missing DDLs" do
+          DDL.stubs(:new).raises("DDL failure")
+          expect { Client.new("foo", {:options => {:config => "/nonexisting"}}) }.to raise_error("DDL failure")
+        end
+
+        it "should set a empty filter when none is supplied" do
+          filter = Util.empty_filter
+          Util.expects(:empty_filter).once.returns(filter)
+
+          Client.new("foo", :options => {:config => "/nonexisting"})
+        end
+
+        it "should default the discovery_timeout to nil" do
+          c = Client.new("rspec", :options => {:config => "/nonexisting"})
+          c.instance_variable_get("@discovery_timeout").should == nil
+        end
+
+        it "should accept a supplied discovery_timeout" do
+          c = Client.new("rspec", :options => {:config => "/nonexisting", :disctimeout => 10})
+          c.instance_variable_get("@discovery_timeout").should == 10
+        end
+      end
+
+      describe "#validate_request" do
+        it "should fail when a DDL isn't present" do
+          @client.instance_variable_set("@ddl", nil)
+          expect { @client.validate_request("rspec", {}) }.to raise_error("No DDL found for agent foo cannot validate inputs")
+        end
+
+        it "should validate the input arguments" do
+          @client.ddl.expects(:set_default_input_arguments).with("rspec", {})
+          @client.ddl.expects(:validate_rpc_request).with("rspec", {})
+          @client.validate_request("rspec", {})
+        end
+      end
+
+      describe "#process_results_with_block" do
+        it "should inform the stats object correctly for passed requests" do
+          response = {:senderid => "rspec", :body => {:statuscode => 0}}
+
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.stats.expects(:ok)
+          @client.stats.expects(:node_responded).with("rspec")
+          @client.stats.expects(:time_block_execution).with(:start)
+          @client.stats.expects(:time_block_execution).with(:end)
+          @client.expects(:aggregate_reply).returns("aggregate stub")
+
+          blk = Proc.new {}
+
+          @client.process_results_with_block("rspec", response, blk, "").should == "aggregate stub"
+        end
+
+        it "should inform the stats object correctly for failed requests" do
+          @client.stats.expects(:fail)
+          @client.stats.expects(:node_responded).with("rspec")
+
+          response = {:senderid => "rspec", :body => {:statuscode => 1}}
+          blk = Proc.new {}
+
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.process_results_with_block("rspec", response, blk, nil)
+        end
+
+        it "should raise correct exceptions on failure" do
+          blk = Proc.new {}
+
+          @client.stubs(:rpc_result_from_reply)
+
+          [[2, UnknownRPCAction], [3, MissingRPCData], [4, InvalidRPCData], [5, UnknownRPCError]].each do |err|
+            response = {:senderid => "rspec", :body => {:statuscode => err[0]}}
+
+            expect { @client.process_results_with_block("rspec", response, blk, nil) }.to raise_error(err[1])
+          end
+        end
+
+        it "should pass raw results for single arity blocks" do
+          response = {:senderid => "rspec", :body => {:statuscode => 1}}
+          blk = Proc.new {|r| r.should == response}
+
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.process_results_with_block("rspec", response, blk, nil)
+        end
+
+        it "should pass raw and rpc style results for 2 arity blocks" do
+          response = {:senderid => "rspec", :body => {:statuscode => 1}}
+          blk = Proc.new do |r, s|
+            r.should == response
+            s.should.class == RPC::Result
+          end
+
+          @client.process_results_with_block("rspec", response, blk, nil)
+        end
+      end
+
+      describe "#process_results_without_block" do
+        it "should inform the stats object correctly for passed requests" do
+          response = {:senderid => "rspec", :body => {:statuscode => 0}}
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.stats.expects(:ok)
+          @client.stats.expects(:node_responded).with("rspec")
+          @client.process_results_without_block(response, "rspec", nil)
+        end
+
+        it "should inform the stats object correctly for failed requests" do
+          @client.stats.expects(:fail).twice
+          @client.stats.expects(:node_responded).with("rspec").twice
+
+          response = {:senderid => "rspec", :body => {:statuscode => 1}}
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.process_results_without_block(response, "rspec", nil)
+
+          response = {:senderid => "rspec", :body => {:statuscode => 3}}
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response)
+          @client.process_results_without_block(response, "rspec", nil)
+        end
+
+        it "should return the result and the aggregate" do
+          @client.expects(:aggregate_reply).returns("aggregate stub")
+
+          response = {:senderid => "rspec", :body => {:statuscode => 0}}
+          result = @client.rpc_result_from_reply("foo", "rspec", response)
+
+          @client.stubs(:rpc_result_from_reply).with("foo", "rspec", response).returns(result)
+          @client.process_results_without_block(response, "rspec", "").should == [result, "aggregate stub"]
+        end
+      end
+
+      describe "#load_aggregate_functions" do
+        it "should not load if the ddl is not set" do
+          @client.load_aggregate_functions("rspec", nil).should == nil
+        end
+
+        it "should create the aggregate for the right action" do
+          @client.ddl.expects(:action_interface).with("rspec").returns({:aggregate => []}).twice
+          Aggregate.expects(:new).with(:aggregate => []).returns("rspec aggregate")
+          @client.load_aggregate_functions("rspec", @client.ddl).should == "rspec aggregate"
+        end
+
+        it "should log and return nil on failure" do
+          @client.ddl.expects(:action_interface).raises("rspec")
+          Log.expects(:error).with(regexp_matches(/Failed to load aggregate/))
+          @client.load_aggregate_functions("rspec", @client.ddl)
+        end
+      end
+
+      describe "#aggregate_reply" do
+        it "should not call anything if the aggregate isnt set" do
+          @client.aggregate_reply(nil, nil).should == nil
+        end
+
+        it "should call the aggregate functions with the right data" do
+          result = @client.rpc_result_from_reply("rspec", "rspec", {:body => {:data => "rspec"}})
+
+          aggregate = mock
+          aggregate.expects(:call_functions).with(result).returns(aggregate)
+
+          @client.aggregate_reply(result, aggregate).should == aggregate
+        end
+
+        it "should log and return nil on failure" do
+          aggregate = mock
+          aggregate.expects(:call_functions).raises
+
+          Log.expects(:error).with(regexp_matches(/Failed to calculate aggregate summaries/))
+
+          @client.aggregate_reply({}, aggregate).should == nil
+        end
+      end
+
+      describe "#collective=" do
+        it "should validate the collective" do
+          expect { @client.collective = "fail" }.to raise_error("Unknown collective fail")
+          @client.collective = "rspec"
+        end
+
+        it "should set the collective" do
+          @client.options[:collective].should == "mcollective"
+          @client.collective = "rspec"
+          @client.options[:collective].should == "rspec"
+        end
+
+        it "should reset the client" do
+          @client.expects(:reset)
+          @client.collective = "rspec"
+        end
+      end
+
+      describe "#discovery_method=" do
+        it "should set the method" do
+          @client.discovery_method = "rspec"
+          @client.discovery_method.should == "rspec"
+        end
+
+        it "should set initial options if provided" do
+          client = Client.new("rspec", {:options => {:discovery_options => ["rspec"], :filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.discovery_method = "rspec"
+          client.discovery_method.should == "rspec"
+          client.discovery_options.should == ["rspec"]
+        end
+
+        it "should clear the options if none are given initially" do
+          @client.discovery_options = ["rspec"]
+          @client.discovery_method = "rspec"
+          @client.discovery_options.should == []
+        end
+
+        it "should set the client options" do
+          @client.expects(:options).returns("rspec")
+          @client.client.expects(:options=).with("rspec")
+          @client.discovery_method = "rspec"
+        end
+
+        it "should adjust timeout for the new method" do
+          @client.expects(:discovery_timeout).once.returns(1)
+          @client.discovery_method = "rspec"
+          @client.instance_variable_get("@timeout").should == 4
+        end
+
+        it "should preserve any user supplied discovery timeout" do
+          @client.discovery_timeout = 10
+          @client.discovery_method = "rspec"
+          @client.discovery_timeout.should == 10
+        end
+
+        it "should reset the rpc client" do
+          @client.expects(:reset)
+          @client.discovery_method = "rspec"
+        end
+      end
+
+      describe "#discovery_options=" do
+        it "should flatten the options array" do
+          @client.discovery_options = "foo"
+          @client.discovery_options.should == ["foo"]
+        end
+      end
+
+      describe "#discovery_timeout" do
+        it "should favour the initial options supplied timeout" do
+          client = Client.new("rspec", {:options => {:disctimeout => 3, :filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.discovery_timeout.should == 3
+        end
+
+        it "should return the DDL data if no specific options are supplied" do
+          client = Client.new("rspec", {:options => {:disctimeout => nil, :filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.discovery_timeout.should == 2
+        end
+      end
+
+      describe "#discovery_timeout=" do
+        it "should store the discovery timeout" do
+          @client.discovery_timeout = 10
+          @client.discovery_timeout.should == 10
+        end
+
+        it "should update the overall timeout with the new discovery timeout" do
+          @client.instance_variable_get("@timeout").should == 4
+
+          @client.discovery_timeout = 10
+
+          @client.instance_variable_get("@timeout").should == 12
+        end
+      end
+
+      describe "#limit_method" do
+        it "should force strings to symbols" do
+          @client.limit_method = "first"
+          @client.limit_method.should == :first
+        end
+
+        it "should only allow valid methods" do
+          @client.limit_method = :first
+          @client.limit_method.should == :first
+          @client.limit_method = :random
+          @client.limit_method.should == :random
+
+          expect { @client.limit_method = :fail }.to raise_error(/Unknown/)
+          expect { @client.limit_method = "fail" }.to raise_error(/Unknown/)
+        end
+      end
+
+      describe "#method_missing" do
+        it "should reset the stats" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.stubs(:call_agent)
+
+          Stats.any_instance.expects(:reset).once
+          client.rspec
+        end
+
+        it "should validate the request against the ddl" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          client.stubs(:call_agent)
+
+          client.expects(:validate_request).with("rspec", {:arg => :val}).raises("validation failed")
+
+          expect { client.rspec(:arg => :val) }.to raise_error("validation failed")
+        end
+
+        it "should support limited targets" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.limit_targets = 10
+
+          client.expects(:pick_nodes_from_discovered).with(10).returns(["one", "two"])
+          client.expects(:custom_request).with("rspec", {}, ["one", "two"], {"identity" => /^(one|two)$/}).once
+
+          client.rspec
+        end
+
+        describe "batch mode" do
+          before do
+            Config.instance.stubs(:direct_addressing).returns(true)
+            @client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          end
+
+          it "should support global batch_size" do
+            @client.batch_size = 10
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 10, 1)
+            @client.rspec
+          end
+
+          it "should support custom batch_size" do
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 10, 1)
+            @client.rspec :batch_size => 10
+          end
+
+          it "should allow supplied batch_size override global one" do
+            @client.batch_size = 10
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 20, 1)
+            @client.rspec :batch_size => 20
+          end
+
+          it "should support global batch_sleep_time" do
+            @client.batch_size = 10
+            @client.batch_sleep_time = 20
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 10, 20)
+            @client.rspec
+          end
+
+          it "should support custom batch_sleep_time" do
+            @client.batch_size = 10
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 10, 20)
+            @client.rspec :batch_sleep_time => 20
+          end
+
+          it "should allow supplied batch_sleep_time override global one" do
+            @client.batch_size = 10
+            @client.batch_sleep_time = 10
+            @client.expects(:call_agent_batched).with("rspec", {}, @client.options, 10, 20)
+            @client.rspec :batch_sleep_time => 20
+          end
+        end
+
+        it "should support normal calls" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          client.expects(:call_agent).with("rspec", {}, client.options, :auto).once
+
+          client.rspec
+        end
+      end
+
+      describe "#pick_nodes_from_discovered" do
+        before do
+          client = stub
+          discoverer = stub
+          ddl = stub
+
+          ddl.stubs(:meta).returns({:timeout => 2})
+
+          discoverer.stubs(:ddl).returns(ddl)
+
+          client.stubs("options=")
+          client.stubs(:collective).returns("mcollective")
+          client.stubs(:discoverer).returns(discoverer)
+
+          Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+          MCollective::Client.stubs(:new).returns(client)
+          Config.instance.stubs(:direct_addressing).returns(true)
+        end
+
+        it "should return a percentage of discovered hosts" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.stubs(:discover).returns((1..10).map{|i| i.to_s})
+          client.limit_method = :first
+          client.pick_nodes_from_discovered("20%").should == ["1", "2"]
+        end
+
+        it "should return the same list when a random seed is supplied" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :limit_seed => 5}})
+          client.stubs(:discover).returns((1..10).map{|i| i.to_s})
+          client.limit_method = :random
+          client.pick_nodes_from_discovered("30%").should == ["3", "7", "8"]
+          client.pick_nodes_from_discovered("30%").should == ["3", "7", "8"]
+          client.pick_nodes_from_discovered("3").should == ["3", "7", "8"]
+          client.pick_nodes_from_discovered("3").should == ["3", "7", "8"]
+        end
+
+        it "should correctly pick a numeric amount of discovered nodes" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :limit_seed => 5}})
+          client.stubs(:discover).returns((1..10).map{|i| i.to_s})
+          client.limit_method = :first
+          client.pick_nodes_from_discovered(5).should == (1..5).map{|i| i.to_s}
+          client.pick_nodes_from_discovered(5).should == (1..5).map{|i| i.to_s}
+        end
+      end
+
+      describe "#limit_targets=" do
+        before do
+          client = stub
+          discoverer = stub
+          ddl = stub
+
+          ddl.stubs(:meta).returns({:timeout => 2})
+
+          discoverer.stubs(:force_direct_mode?).returns(false)
+          discoverer.stubs(:ddl).returns(ddl)
+          discoverer.stubs(:discovery_method).returns("mc")
+
+          client.stubs("options=")
+          client.stubs(:collective).returns("mcollective")
+          client.stubs(:discoverer).returns(discoverer)
+
+          Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+          MCollective::Client.expects(:new).returns(client)
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          @client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+        end
+
+        it "should support percentages" do
+          @client.limit_targets = "10%"
+          @client.limit_targets.should == "10%"
+        end
+
+        it "should support integers" do
+          @client.limit_targets = 10
+          @client.limit_targets.should == 10
+          @client.limit_targets = "20"
+          @client.limit_targets.should == 20
+          @client.limit_targets = 1.1
+          @client.limit_targets.should == 1
+          @client.limit_targets = 1.7
+          @client.limit_targets.should == 1
+        end
+
+        it "should not invalid limits to be set" do
+          expect { @client.limit_targets = "a" }.to raise_error(/Invalid/)
+          expect { @client.limit_targets = "%1" }.to raise_error(/Invalid/)
+          expect { @client.limit_targets = "1.1" }.to raise_error(/Invalid/)
+        end
+      end
+
+      describe "#call_agent_batched" do
+        before do
+          @client = stub
+          @discoverer = stub
+          @ddl = stub
+
+          @ddl.stubs(:meta).returns({:timeout => 2})
+
+          @discoverer.stubs(:force_direct_mode?).returns(false)
+          @discoverer.stubs(:ddl).returns(@ddl)
+          @discoverer.stubs(:discovery_method).returns("mc")
+
+          @client.stubs("options=")
+          @client.stubs(:collective).returns("mcollective")
+          @client.stubs(:discoverer).returns(@discoverer)
+
+          Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+          MCollective::Client.expects(:new).returns(@client)
+          Config.instance.stubs(:direct_addressing).returns(true)
+        end
+
+        it "should require direct addressing" do
+          Config.instance.stubs(:direct_addressing).returns(false)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect {
+            client.send(:call_agent_batched, "foo", {}, {}, 1, 1)
+          }.to raise_error("Batched requests requires direct addressing")
+        end
+
+        it "should require that all results be processed" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect {
+            client.send(:call_agent_batched, "foo", {:process_results => false}, {}, 1, 1)
+          }.to raise_error("Cannot bypass result processing for batched requests")
+        end
+
+        it "should only accept integer batch sizes" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect {
+            client.send(:call_agent_batched, "foo", {}, {}, "foo", 1)
+          }.to raise_error(/invalid value for Integer/)
+        end
+
+        it "should only accept float sleep times" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect {
+            client.send(:call_agent_batched, "foo", {}, {}, 1, "foo")
+          }.to raise_error(/invalid value for Float/)
+        end
+
+        it "should batch hosts in the correct size" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :stderr => StringIO.new}})
+
+          client.expects(:new_request).returns("req")
+
+          discovered = mock
+          discovered.stubs(:size).returns(1)
+          discovered.expects(:in_groups_of).with(10).raises("spec pass")
+
+          client.instance_variable_set("@client", @coreclient)
+          @coreclient.stubs(:discover).returns(discovered)
+          @coreclient.stubs(:timeout_for_compound_filter).returns(0)
+
+          expect { client.send(:call_agent_batched, "foo", {}, {}, 10, 1) }.to raise_error("spec pass")
+        end
+
+        it "should force direct requests" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :stderr => StringIO.new}})
+
+          Message.expects(:new).with('req', nil, {:type => :direct_request, :agent => 'foo', :filter => nil, :options => {}, :collective => 'mcollective'}).raises("spec pass")
+          client.expects(:new_request).returns("req")
+
+          client.instance_variable_set("@client", @coreclient)
+          @coreclient.stubs(:discover).returns(["test"])
+          @coreclient.stubs(:timeout_for_compound_filter).returns(0)
+
+          expect { client.send(:call_agent_batched, "foo", {}, {}, 1, 1) }.to raise_error("spec pass")
+        end
+
+        it "should process blocks correctly" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :stderr => StringIO.new}})
+
+          msg = mock
+          msg.expects(:discovered_hosts=).times(10)
+          msg.expects(:create_reqid).returns("823a3419a0975c3facbde121f72ab61f")
+          msg.expects(:requestid=).with("823a3419a0975c3facbde121f72ab61f").times(10)
+
+          stats = {:noresponsefrom => [], :responses => 0, :blocktime => 0, :totaltime => 0, :discoverytime => 0, :requestid => "823a3419a0975c3facbde121f72ab61f"}
+
+          Message.expects(:new).with('req', nil, {:type => :direct_request, :agent => 'foo', :filter => nil, :options => {}, :collective => 'mcollective'}).returns(msg).times(10)
+          client.expects(:new_request).returns("req")
+          client.expects(:sleep).with(1.0).times(9)
+
+          client.instance_variable_set("@client", @coreclient)
+          @coreclient.stubs(:discover).returns([1,2,3,4,5,6,7,8,9,0])
+          @coreclient.expects(:req).with(msg).yields("result").times(10)
+          @coreclient.stubs(:stats).returns stats
+          @coreclient.stubs(:timeout_for_compound_filter).returns(0)
+
+          client.expects(:process_results_with_block).with("foo", "result", instance_of(Proc), nil).times(10)
+
+          result = client.send(:call_agent_batched, "foo", {}, {}, 1, 1) { }
+          result[:requestid].should == "823a3419a0975c3facbde121f72ab61f"
+          result.class.should == Stats
+        end
+
+        it "should return an array of results in array mode" do
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :stderr => StringIO.new}})
+          client.instance_variable_set("@client", @coreclient)
+
+          msg = mock
+          msg.expects(:discovered_hosts=).times(10)
+          msg.expects(:create_reqid).returns("823a3419a0975c3facbde121f72ab61f")
+          msg.expects(:requestid=).with("823a3419a0975c3facbde121f72ab61f").times(10)
+
+          stats = {:noresponsefrom => [], :responses => 0, :blocktime => 0, :totaltime => 0, :discoverytime => 0, :requestid => "823a3419a0975c3facbde121f72ab61f"}
+
+          Progress.expects(:new).never
+
+          Message.expects(:new).with('req', nil, {:type => :direct_request, :agent => 'foo', :filter => nil, :options => {}, :collective => 'mcollective'}).returns(msg).times(10)
+          client.expects(:new_request).returns("req")
+          client.expects(:sleep).with(1.0).times(9)
+
+          @coreclient.stubs(:discover).returns([1,2,3,4,5,6,7,8,9,0])
+          @coreclient.expects(:req).with(msg).yields("result").times(10)
+          @coreclient.stubs(:stats).returns stats
+          @coreclient.stubs(:timeout_for_compound_filter).returns(0)
+
+          client.expects(:process_results_without_block).with("result", "foo", nil).returns("rspec").times(10)
+
+          client.send(:call_agent_batched, "foo", {}, {}, 1, 1).should == ["rspec", "rspec", "rspec", "rspec", "rspec", "rspec", "rspec", "rspec", "rspec", "rspec"]
+
+          client.stats[:requestid].should == "823a3419a0975c3facbde121f72ab61f"
+        end
+      end
+
+      describe "#batch_sleep_time=" do
+        it "should correctly set the sleep" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.batch_sleep_time = 5
+          client.batch_sleep_time.should == 5
+        end
+
+        it "should only allow batch sleep to be set for direct addressing capable clients" do
+          Config.instance.stubs(:direct_addressing).returns(false)
+          Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect { client.batch_sleep_time = 5 }.to raise_error("Can only set batch sleep time if direct addressing is supported")
+        end
+      end
+
+      describe "#batch_size=" do
+        it "should correctly set the size" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.batch_mode.should == false
+          client.batch_size = 5
+          client.batch_size.should == 5
+          client.batch_mode.should == true
+        end
+
+        it "should only allow batch size to be set for direct addressing capable clients" do
+          Config.instance.stubs(:loadconfig).with("/nonexisting").returns(true)
+          Config.instance.stubs(:direct_addressing).returns(false)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect { client.batch_size = 5 }.to raise_error("Can only set batch size if direct addressing is supported")
+        end
+
+        it "should support disabling batch mode when supplied a batch size of 0" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.batch_size = 5
+          client.batch_mode.should == true
+          client.batch_size = 0
+          client.batch_mode.should == false
+        end
+      end
+
+      describe "#discover" do
+        it "should not accept invalid flags" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+
+          expect { client.discover(:rspec => :rspec) }.to raise_error("Unknown option rspec passed to discover")
+        end
+
+        it "should reset when :json, :hosts or :nodes are provided" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.expects(:reset).times(3)
+          client.discover(:hosts => ["one"])
+          client.discover(:nodes => ["one"])
+          client.discover(:json => ["one"])
+        end
+
+        it "should only allow discovery data in direct addressing mode" do
+          Config.instance.stubs(:direct_addressing).returns(false)
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.expects(:reset).once
+
+          expect {
+            client.discover(:nodes => ["one"])
+          }.to raise_error("Can only supply discovery data if direct_addressing is enabled")
+        end
+
+        it "should parse :nodes and :hosts and force direct requests" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+          Helpers.expects(:extract_hosts_from_array).with(["one"]).returns(["one"]).twice
+
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.discover(:nodes => ["one"]).should == ["one"]
+          client.discover(:hosts => ["one"]).should == ["one"]
+          client.instance_variable_get("@force_direct_request").should == true
+          client.instance_variable_get("@discovered_agents").should == ["one"]
+        end
+
+        it "should parse :json and force direct requests" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+          Helpers.expects(:extract_hosts_from_json).with('["one"]').returns(["one"]).once
+
+          client = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting"}})
+          client.discover(:json => '["one"]').should == ["one"]
+          client.instance_variable_get("@force_direct_request").should == true
+          client.instance_variable_get("@discovered_agents").should == ["one"]
+        end
+
+        it "should not set direct mode for non 'mc' discovery methods" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          client = Client.new("foo", {:options => {:discovery_method => "rspec", :filter => {"identity" => ["foo"], "agent" => []}, :config => "/nonexisting"}})
+          @coreclient.expects(:discover).returns(["foo"])
+
+          client.discover
+          client.instance_variable_get("@discovered_agents").should == ["foo"]
+          client.instance_variable_get("@force_direct_request").should == false
+        end
+
+        it "should force direct mode for non regex identity filters" do
+          Config.instance.stubs(:direct_addressing).returns(true)
+
+          client = Client.new("foo", {:options => {:discovery_method => "mc", :filter => {"identity" => ["foo"], "agent" => []}, :config => "/nonexisting"}})
+          client.discover
+          client.instance_variable_get("@discovered_agents").should == ["foo"]
+          client.instance_variable_get("@force_direct_request").should == true
+        end
+
+        it "should not set direct mode if its disabled" do
+          Config.instance.stubs(:direct_addressing).returns(false)
+
+          client = Client.new("foo", {:options => {:discovery_method => "mc", :filter => {"identity" => ["foo"], "agent" => []}, :config => "/nonexisting"}})
+
+          client.discover
+          client.instance_variable_get("@force_direct_request").should == false
+          client.instance_variable_get("@discovered_agents").should == ["foo"]
+        end
+
+        it "should not set direct mode for regex identities" do
+          Config.instance.stubs(:direct_addressing).returns(false)
+
+          rpcclient = Client.new("foo", {:options => {:filter => {"identity" => ["/foo/"], "agent" => []}, :config => "/nonexisting"}})
+
+          rpcclient.client.expects(:discover).with({'identity' => ['/foo/'], 'agent' => ['foo']}, 2).once.returns(["foo"])
+
+          rpcclient.discover
+          rpcclient.instance_variable_get("@force_direct_request").should == false
+          rpcclient.instance_variable_get("@discovered_agents").should == ["foo"]
+        end
+
+        it "should print status to stderr if in verbose mode" do
+          @stderr.expects(:print).with("Discovering hosts using the mc method for 2 second(s) .... ")
+          @stderr.expects(:puts).with(1)
+
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => true, :disctimeout => 2, :stderr => @stderr, :stdout => @stdout}})
+
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.discover
+        end
+
+        it "should not print status to stderr if in nonverbose mode" do
+          @stderr.expects(:print).never
+          @stderr.expects(:puts).never
+
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2, :stderr => @stderr, :stdout => @stdout}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.discover
+        end
+
+        it "should record the start and end times" do
+          Stats.any_instance.expects(:time_discovery).with(:start)
+          Stats.any_instance.expects(:time_discovery).with(:end)
+
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.discover
+        end
+
+        it "should discover using limits in :first rpclimit mode given a number" do
+          Config.instance.stubs(:rpclimitmethod).returns(:first)
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2, 1).returns(["foo"])
+
+          rpcclient.limit_targets = 1
+
+          rpcclient.discover
+        end
+
+        it "should not discover using limits in :first rpclimit mode given a string" do
+          Config.instance.stubs(:rpclimitmethod).returns(:first)
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+          rpcclient.limit_targets = "10%"
+
+          rpcclient.discover
+        end
+
+        it "should not discover using limits when not in :first mode" do
+          Config.instance.stubs(:rpclimitmethod).returns(:random)
+
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.limit_targets = 1
+          rpcclient.discover
+        end
+
+        it "should ensure force_direct mode is false when doing traditional discovery" do
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.instance_variable_set("@force_direct_request", true)
+          rpcclient.discover
+          rpcclient.instance_variable_get("@force_direct_request").should == false
+        end
+
+        it "should store discovered nodes in stats" do
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          rpcclient.discover
+          rpcclient.stats.discovered_nodes.should == ["foo"]
+        end
+
+        it "should save discovered nodes in RPC" do
+          rpcclient = Client.new("foo", {:options => {:filter => Util.empty_filter, :config => "/nonexisting", :verbose => false, :disctimeout => 2}})
+          rpcclient.client.expects(:discover).with({'identity' => [], 'compound' => [], 'fact' => [], 'agent' => ['foo'], 'cf_class' => []}, 2).returns(["foo"])
+
+          RPC.expects(:discovered).with(["foo"]).once
+          rpcclient.discover
+        end
+      end
+    end
+  end
+end