spec/unit/knife/ssh_spec.rb in knife-18.1.0 vs spec/unit/knife/ssh_spec.rb in knife-18.2.5

- old
+ new

@@ -1,403 +1,403 @@ -# -# Author:: Bryan McLellan <btm@chef.io> -# Copyright:: Copyright (c) Chef Software Inc. -# License:: Apache License, Version 2.0 -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. -# - -require "knife_spec_helper" -require "net/ssh" -require "net/ssh/multi" - -describe Chef::Knife::Ssh do - let(:query_result) { double("chef search results") } - - before do - Chef::Config[:client_key] = CHEF_SPEC_DATA + "/ssl/private_key.pem" - @knife = Chef::Knife::Ssh.new - @knife.merge_configs - @node_foo = {} - @node_foo["fqdn"] = "foo.example.org" - @node_foo["ipaddress"] = "10.0.0.1" - @node_foo["cloud"] = {} - - @node_bar = {} - @node_bar["fqdn"] = "bar.example.org" - @node_bar["ipaddress"] = "10.0.0.2" - @node_bar["cloud"] = {} - - end - - describe "#configure_session" do - context "manual is set to false (default)" do - before do - @knife.config[:manual] = false - allow(query_result).to receive(:search).with(any_args).and_yield(@node_foo).and_yield(@node_bar) - allow(Chef::Search::Query).to receive(:new).and_return(query_result) - end - - def self.should_return_specified_attributes - it "returns an array of the attributes specified on the command line OR config file, if only one is set" do - @node_bar["target"] = "10.0.0.2" - @node_foo["target"] = "10.0.0.1" - @node_bar["prefix"] = "bar" - @node_foo["prefix"] = "foo" - @knife.config[:ssh_attribute] = "ipaddress" - @knife.config[:prefix_attribute] = "name" - Chef::Config[:knife][:ssh_attribute] = "ipaddress" # this value will be in the config file - Chef::Config[:knife][:prefix_attribute] = "name" # this value will be in the config file - expect(@knife).to receive(:session_from_list).with([["10.0.0.1", nil, "foo"], ["10.0.0.2", nil, "bar"]]) - @knife.configure_session - end - - it "returns an array of the attributes specified on the command line even when a config value is set" do - @node_bar["target"] = "10.0.0.2" - @node_foo["target"] = "10.0.0.1" - @node_bar["prefix"] = "bar" - @node_foo["prefix"] = "foo" - Chef::Config[:knife][:ssh_attribute] = "config_file" # this value will be in the config file - Chef::Config[:knife][:prefix_attribute] = "config_file" # this value will be in the config file - @knife.config[:ssh_attribute] = "ipaddress" # this is the value of the command line via #configure_attribute - @knife.config[:prefix_attribute] = "name" # this is the value of the command line via #configure_attribute - expect(@knife).to receive(:session_from_list).with([["10.0.0.1", nil, "foo"], ["10.0.0.2", nil, "bar"]]) - @knife.configure_session - end - end - - it "searches for and returns an array of fqdns" do - expect(@knife).to receive(:session_from_list).with([ - ["foo.example.org", nil, nil], - ["bar.example.org", nil, nil], - ]) - @knife.configure_session - end - - should_return_specified_attributes - - context "when cloud hostnames are available" do - before do - @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" - @node_bar["cloud"]["public_hostname"] = "ec2-10-0-0-2.compute-1.amazonaws.com" - end - it "returns an array of cloud public hostnames" do - expect(@knife).to receive(:session_from_list).with([ - ["ec2-10-0-0-1.compute-1.amazonaws.com", nil, nil], - ["ec2-10-0-0-2.compute-1.amazonaws.com", nil, nil], - ]) - @knife.configure_session - end - - should_return_specified_attributes - end - - context "when cloud hostnames are available but empty" do - before do - @node_foo["cloud"]["public_hostname"] = "" - @node_bar["cloud"]["public_hostname"] = "" - end - - it "returns an array of fqdns" do - expect(@knife).to receive(:session_from_list).with([ - ["foo.example.org", nil, nil], - ["bar.example.org", nil, nil], - ]) - @knife.configure_session - end - - should_return_specified_attributes - end - - it "should raise an error if no host are found" do - allow(query_result).to receive(:search).with(any_args) - expect(@knife.ui).to receive(:fatal) - expect(@knife).to receive(:exit).with(10) - @knife.configure_session - end - - context "when there are some hosts found but they do not have an attribute to connect with" do - before do - @node_foo["fqdn"] = nil - @node_bar["fqdn"] = nil - end - - it "should raise a specific error (CHEF-3402)" do - expect(@knife.ui).to receive(:fatal).with(/^2 nodes found/) - expect(@knife).to receive(:exit).with(10) - @knife.configure_session - end - end - - context "when there are some hosts found but IPs duplicated if duplicated_fqdns option sets :fatal" do - before do - @knife.config[:duplicated_fqdns] = :fatal - @node_foo["fqdn"] = "foo.example.org" - @node_bar["fqdn"] = "foo.example.org" - end - - it "should raise a specific error" do - expect(@knife.ui).to receive(:fatal).with(/^SSH node is duplicated: foo\.example\.org/) - expect(@knife).to receive(:exit).with(10) - expect(@knife).to receive(:session_from_list).with([ - ["foo.example.org", nil, nil], - ["foo.example.org", nil, nil], - ]) - @knife.configure_session - end - end - end - - context "manual is set to true" do - before do - @knife.config[:manual] = true - end - - it "returns an array of provided values" do - @knife.instance_variable_set(:@name_args, ["foo.example.org bar.example.org"]) - expect(@knife).to receive(:session_from_list).with(["foo.example.org", "bar.example.org"]) - @knife.configure_session - end - end - end - - describe "#get_prefix_attribute" do - # Order of precedence for prefix - # 1) config value (cli or knife config) - # 2) nil - before do - Chef::Config[:knife][:prefix_attribute] = nil - @knife.config[:prefix_attribute] = nil - @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" - @node_bar["cloud"]["public_hostname"] = "" - end - - it "should return nil by default" do - expect(@knife.get_prefix_attribute({})).to eq(nil) - end - - it "should favor config over nil" do - @node_foo["prefix"] = "config" - expect( @knife.get_prefix_attribute(@node_foo)).to eq("config") - end - end - - describe "#get_ssh_attribute" do - # Order of precedence for ssh target - # 1) config value (cli or knife config) - # 2) cloud attribute - # 3) fqdn - before do - Chef::Config[:knife][:ssh_attribute] = nil - @knife.config[:ssh_attribute] = nil - @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" - @node_bar["cloud"]["public_hostname"] = "" - end - - it "should return fqdn by default" do - expect(@knife.get_ssh_attribute({ "fqdn" => "fqdn" })).to eq("fqdn") - end - - it "should return cloud.public_hostname attribute if available" do - expect(@knife.get_ssh_attribute(@node_foo)).to eq("ec2-10-0-0-1.compute-1.amazonaws.com") - end - - it "should favor config over cloud and default" do - @node_foo["target"] = "config" - expect( @knife.get_ssh_attribute(@node_foo)).to eq("config") - end - - it "should return fqdn if cloud.hostname is empty" do - expect( @knife.get_ssh_attribute(@node_bar)).to eq("bar.example.org") - end - end - - describe "#session_from_list" do - before :each do - @knife.instance_variable_set(:@longest, 0) - ssh_config = { timeout: 50, user: "locutus", port: 23, keepalive: true, keepalive_interval: 60 } - allow(Net::SSH).to receive(:configuration_for).with("the.b.org", true).and_return(ssh_config) - end - - it "uses the port from an ssh config file" do - @knife.session_from_list([["the.b.org", nil, nil]]) - expect(@knife.session.servers[0].port).to eq(23) - end - - it "uses the port from a cloud attr" do - @knife.session_from_list([["the.b.org", 123, nil]]) - expect(@knife.session.servers[0].port).to eq(123) - end - - it "uses the prefix from list" do - @knife.session_from_list([["the.b.org", nil, "b-team"]]) - expect(@knife.session.servers[0][:prefix]).to eq("b-team") - end - - it "defaults to a prefix of host" do - @knife.session_from_list([["the.b.org", nil, nil]]) - expect(@knife.session.servers[0][:prefix]).to eq("the.b.org") - end - - it "defaults to a timeout of 120 seconds" do - @knife.session_from_list([["the.b.org", nil, nil]]) - expect(@knife.session.servers[0].options[:timeout]).to eq(120) - end - - it "uses the timeout from the CLI" do - @knife.config = {} - Chef::Config[:knife][:ssh_timeout] = nil - @knife.config[:ssh_timeout] = 5 - @knife.session_from_list([["the.b.org", nil, nil]]) - @knife.merge_configs - expect(@knife.session.servers[0].options[:timeout]).to eq(5) - end - - it "uses the timeout from knife config" do - @knife.config = {} - Chef::Config[:knife][:ssh_timeout] = 6 - @knife.merge_configs - @knife.session_from_list([["the.b.org", nil, nil]]) - expect(@knife.session.servers[0].options[:timeout]).to eq(6) - end - - it "uses the user from an ssh config file" do - @knife.session_from_list([["the.b.org", 123, nil]]) - expect(@knife.session.servers[0].user).to eq("locutus") - end - - it "uses keepalive settings from an ssh config file" do - @knife.session_from_list([["the.b.org", 123, nil]]) - expect(@knife.session.servers[0].options[:keepalive]).to be true - expect(@knife.session.servers[0].options[:keepalive_interval]).to eq 60 - end - end - - describe "#ssh_command" do - let(:execution_channel) { double(:execution_channel, on_data: nil, on_extended_data: nil) } - let(:session_channel) { double(:session_channel, request_pty: nil) } - - let(:execution_channel2) { double(:execution_channel, on_data: nil, on_extended_data: nil) } - let(:session_channel2) { double(:session_channel, request_pty: nil) } - - let(:session) { double(:session, loop: nil, close: nil) } - - let(:command) { "false" } - - before do - expect(execution_channel) - .to receive(:on_request) - .and_yield(nil, double(:data_stream, read_long: exit_status)) - - expect(session_channel) - .to receive(:exec) - .with(command) - .and_yield(execution_channel, true) - - expect(execution_channel2) - .to receive(:on_request) - .and_yield(nil, double(:data_stream, read_long: exit_status2)) - - expect(session_channel2) - .to receive(:exec) - .with(command) - .and_yield(execution_channel2, true) - - expect(session) - .to receive(:open_channel) - .and_yield(session_channel) - .and_yield(session_channel2) - end - - context "both connections return 0" do - let(:exit_status) { 0 } - let(:exit_status2) { 0 } - - it "returns a 0 exit code" do - expect(@knife.ssh_command(command, session)).to eq(0) - end - end - - context "the first connection returns 1 and the second returns 0" do - let(:exit_status) { 1 } - let(:exit_status2) { 0 } - - it "returns a non-zero exit code" do - expect(@knife.ssh_command(command, session)).to eq(1) - end - end - - context "the first connection returns 1 and the second returns 2" do - let(:exit_status) { 1 } - let(:exit_status2) { 2 } - - it "returns a non-zero exit code" do - expect(@knife.ssh_command(command, session)).to eq(2) - end - end - end - - describe "#tmux" do - before do - ssh_config = { timeout: 50, user: "locutus", port: 23, keepalive: true, keepalive_interval: 60 } - allow(Net::SSH).to receive(:configuration_for).with("foo.example.org", true).and_return(ssh_config) - @query = Chef::Search::Query.new - expect(@query).to receive(:search).and_yield(@node_foo) - allow(Chef::Search::Query).to receive(:new).and_return(@query) - allow(@knife).to receive(:exec).and_return(0) - end - - it "filters out invalid characters from tmux session name" do - @knife.name_args = ["name:foo.example.org", "tmux"] - expect(@knife).to receive(:shell_out!).with("tmux new-session -d -s 'knife ssh name=foo-example-org' -n 'foo.example.org' 'ssh locutus@foo.example.org' ") - @knife.run - end - end - - describe "#run" do - - it "should print usage and exit when a SEARCH QUERY is not provided" do - @knife.name_args = [] - expect(@knife).to receive(:show_usage) - expect(@knife.ui).to receive(:fatal).with(/You must specify the SEARCH QUERY./) - expect { @knife.run }.to raise_error(SystemExit) - end - - context "exit" do - before do - @query = Chef::Search::Query.new - expect(@query).to receive(:search).and_yield(@node_foo) - allow(Chef::Search::Query).to receive(:new).and_return(@query) - allow(@knife).to receive(:ssh_command).and_return(exit_code) - @knife.name_args = ["*:*", "false"] - end - - context "with an error" do - let(:exit_code) { 1 } - - it "should exit with a non-zero exit code" do - expect(@knife).to receive(:exit).with(exit_code) - @knife.run - end - end - - context "with no error" do - let(:exit_code) { 0 } - - it "should not exit" do - expect(@knife).not_to receive(:exit) - @knife.run - end - end - end - end -end +# +# Author:: Bryan McLellan <btm@chef.io> +# Copyright:: Copyright (c) Chef Software Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +require "knife_spec_helper" +require "net/ssh" +require "net/ssh/multi" + +describe Chef::Knife::Ssh do + let(:query_result) { double("chef search results") } + + before do + Chef::Config[:client_key] = CHEF_SPEC_DATA + "/ssl/private_key.pem" + @knife = Chef::Knife::Ssh.new + @knife.merge_configs + @node_foo = {} + @node_foo["fqdn"] = "foo.example.org" + @node_foo["ipaddress"] = "10.0.0.1" + @node_foo["cloud"] = {} + + @node_bar = {} + @node_bar["fqdn"] = "bar.example.org" + @node_bar["ipaddress"] = "10.0.0.2" + @node_bar["cloud"] = {} + + end + + describe "#configure_session" do + context "manual is set to false (default)" do + before do + @knife.config[:manual] = false + allow(query_result).to receive(:search).with(any_args).and_yield(@node_foo).and_yield(@node_bar) + allow(Chef::Search::Query).to receive(:new).and_return(query_result) + end + + def self.should_return_specified_attributes + it "returns an array of the attributes specified on the command line OR config file, if only one is set" do + @node_bar["target"] = "10.0.0.2" + @node_foo["target"] = "10.0.0.1" + @node_bar["prefix"] = "bar" + @node_foo["prefix"] = "foo" + @knife.config[:ssh_attribute] = "ipaddress" + @knife.config[:prefix_attribute] = "name" + Chef::Config[:knife][:ssh_attribute] = "ipaddress" # this value will be in the config file + Chef::Config[:knife][:prefix_attribute] = "name" # this value will be in the config file + expect(@knife).to receive(:session_from_list).with([["10.0.0.1", nil, "foo"], ["10.0.0.2", nil, "bar"]]) + @knife.configure_session + end + + it "returns an array of the attributes specified on the command line even when a config value is set" do + @node_bar["target"] = "10.0.0.2" + @node_foo["target"] = "10.0.0.1" + @node_bar["prefix"] = "bar" + @node_foo["prefix"] = "foo" + Chef::Config[:knife][:ssh_attribute] = "config_file" # this value will be in the config file + Chef::Config[:knife][:prefix_attribute] = "config_file" # this value will be in the config file + @knife.config[:ssh_attribute] = "ipaddress" # this is the value of the command line via #configure_attribute + @knife.config[:prefix_attribute] = "name" # this is the value of the command line via #configure_attribute + expect(@knife).to receive(:session_from_list).with([["10.0.0.1", nil, "foo"], ["10.0.0.2", nil, "bar"]]) + @knife.configure_session + end + end + + it "searches for and returns an array of fqdns" do + expect(@knife).to receive(:session_from_list).with([ + ["foo.example.org", nil, nil], + ["bar.example.org", nil, nil], + ]) + @knife.configure_session + end + + should_return_specified_attributes + + context "when cloud hostnames are available" do + before do + @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" + @node_bar["cloud"]["public_hostname"] = "ec2-10-0-0-2.compute-1.amazonaws.com" + end + it "returns an array of cloud public hostnames" do + expect(@knife).to receive(:session_from_list).with([ + ["ec2-10-0-0-1.compute-1.amazonaws.com", nil, nil], + ["ec2-10-0-0-2.compute-1.amazonaws.com", nil, nil], + ]) + @knife.configure_session + end + + should_return_specified_attributes + end + + context "when cloud hostnames are available but empty" do + before do + @node_foo["cloud"]["public_hostname"] = "" + @node_bar["cloud"]["public_hostname"] = "" + end + + it "returns an array of fqdns" do + expect(@knife).to receive(:session_from_list).with([ + ["foo.example.org", nil, nil], + ["bar.example.org", nil, nil], + ]) + @knife.configure_session + end + + should_return_specified_attributes + end + + it "should raise an error if no host are found" do + allow(query_result).to receive(:search).with(any_args) + expect(@knife.ui).to receive(:fatal) + expect(@knife).to receive(:exit).with(10) + @knife.configure_session + end + + context "when there are some hosts found but they do not have an attribute to connect with" do + before do + @node_foo["fqdn"] = nil + @node_bar["fqdn"] = nil + end + + it "should raise a specific error (CHEF-3402)" do + expect(@knife.ui).to receive(:fatal).with(/^2 nodes found/) + expect(@knife).to receive(:exit).with(10) + @knife.configure_session + end + end + + context "when there are some hosts found but IPs duplicated if duplicated_fqdns option sets :fatal" do + before do + @knife.config[:duplicated_fqdns] = :fatal + @node_foo["fqdn"] = "foo.example.org" + @node_bar["fqdn"] = "foo.example.org" + end + + it "should raise a specific error" do + expect(@knife.ui).to receive(:fatal).with(/^SSH node is duplicated: foo\.example\.org/) + expect(@knife).to receive(:exit).with(10) + expect(@knife).to receive(:session_from_list).with([ + ["foo.example.org", nil, nil], + ["foo.example.org", nil, nil], + ]) + @knife.configure_session + end + end + end + + context "manual is set to true" do + before do + @knife.config[:manual] = true + end + + it "returns an array of provided values" do + @knife.instance_variable_set(:@name_args, ["foo.example.org bar.example.org"]) + expect(@knife).to receive(:session_from_list).with(["foo.example.org", "bar.example.org"]) + @knife.configure_session + end + end + end + + describe "#get_prefix_attribute" do + # Order of precedence for prefix + # 1) config value (cli or knife config) + # 2) nil + before do + Chef::Config[:knife][:prefix_attribute] = nil + @knife.config[:prefix_attribute] = nil + @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" + @node_bar["cloud"]["public_hostname"] = "" + end + + it "should return nil by default" do + expect(@knife.get_prefix_attribute({})).to eq(nil) + end + + it "should favor config over nil" do + @node_foo["prefix"] = "config" + expect( @knife.get_prefix_attribute(@node_foo)).to eq("config") + end + end + + describe "#get_ssh_attribute" do + # Order of precedence for ssh target + # 1) config value (cli or knife config) + # 2) cloud attribute + # 3) fqdn + before do + Chef::Config[:knife][:ssh_attribute] = nil + @knife.config[:ssh_attribute] = nil + @node_foo["cloud"]["public_hostname"] = "ec2-10-0-0-1.compute-1.amazonaws.com" + @node_bar["cloud"]["public_hostname"] = "" + end + + it "should return fqdn by default" do + expect(@knife.get_ssh_attribute({ "fqdn" => "fqdn" })).to eq("fqdn") + end + + it "should return cloud.public_hostname attribute if available" do + expect(@knife.get_ssh_attribute(@node_foo)).to eq("ec2-10-0-0-1.compute-1.amazonaws.com") + end + + it "should favor config over cloud and default" do + @node_foo["target"] = "config" + expect( @knife.get_ssh_attribute(@node_foo)).to eq("config") + end + + it "should return fqdn if cloud.hostname is empty" do + expect( @knife.get_ssh_attribute(@node_bar)).to eq("bar.example.org") + end + end + + describe "#session_from_list" do + before :each do + @knife.instance_variable_set(:@longest, 0) + ssh_config = { timeout: 50, user: "locutus", port: 23, keepalive: true, keepalive_interval: 60 } + allow(Net::SSH).to receive(:configuration_for).with("the.b.org", true).and_return(ssh_config) + end + + it "uses the port from an ssh config file" do + @knife.session_from_list([["the.b.org", nil, nil]]) + expect(@knife.session.servers[0].port).to eq(23) + end + + it "uses the port from a cloud attr" do + @knife.session_from_list([["the.b.org", 123, nil]]) + expect(@knife.session.servers[0].port).to eq(123) + end + + it "uses the prefix from list" do + @knife.session_from_list([["the.b.org", nil, "b-team"]]) + expect(@knife.session.servers[0][:prefix]).to eq("b-team") + end + + it "defaults to a prefix of host" do + @knife.session_from_list([["the.b.org", nil, nil]]) + expect(@knife.session.servers[0][:prefix]).to eq("the.b.org") + end + + it "defaults to a timeout of 120 seconds" do + @knife.session_from_list([["the.b.org", nil, nil]]) + expect(@knife.session.servers[0].options[:timeout]).to eq(120) + end + + it "uses the timeout from the CLI" do + @knife.config = {} + Chef::Config[:knife][:ssh_timeout] = nil + @knife.config[:ssh_timeout] = 5 + @knife.session_from_list([["the.b.org", nil, nil]]) + @knife.merge_configs + expect(@knife.session.servers[0].options[:timeout]).to eq(5) + end + + it "uses the timeout from knife config" do + @knife.config = {} + Chef::Config[:knife][:ssh_timeout] = 6 + @knife.merge_configs + @knife.session_from_list([["the.b.org", nil, nil]]) + expect(@knife.session.servers[0].options[:timeout]).to eq(6) + end + + it "uses the user from an ssh config file" do + @knife.session_from_list([["the.b.org", 123, nil]]) + expect(@knife.session.servers[0].user).to eq("locutus") + end + + it "uses keepalive settings from an ssh config file" do + @knife.session_from_list([["the.b.org", 123, nil]]) + expect(@knife.session.servers[0].options[:keepalive]).to be true + expect(@knife.session.servers[0].options[:keepalive_interval]).to eq 60 + end + end + + describe "#ssh_command" do + let(:execution_channel) { double(:execution_channel, on_data: nil, on_extended_data: nil) } + let(:session_channel) { double(:session_channel, request_pty: nil) } + + let(:execution_channel2) { double(:execution_channel, on_data: nil, on_extended_data: nil) } + let(:session_channel2) { double(:session_channel, request_pty: nil) } + + let(:session) { double(:session, loop: nil, close: nil) } + + let(:command) { "false" } + + before do + expect(execution_channel) + .to receive(:on_request) + .and_yield(nil, double(:data_stream, read_long: exit_status)) + + expect(session_channel) + .to receive(:exec) + .with(command) + .and_yield(execution_channel, true) + + expect(execution_channel2) + .to receive(:on_request) + .and_yield(nil, double(:data_stream, read_long: exit_status2)) + + expect(session_channel2) + .to receive(:exec) + .with(command) + .and_yield(execution_channel2, true) + + expect(session) + .to receive(:open_channel) + .and_yield(session_channel) + .and_yield(session_channel2) + end + + context "both connections return 0" do + let(:exit_status) { 0 } + let(:exit_status2) { 0 } + + it "returns a 0 exit code" do + expect(@knife.ssh_command(command, session)).to eq(0) + end + end + + context "the first connection returns 1 and the second returns 0" do + let(:exit_status) { 1 } + let(:exit_status2) { 0 } + + it "returns a non-zero exit code" do + expect(@knife.ssh_command(command, session)).to eq(1) + end + end + + context "the first connection returns 1 and the second returns 2" do + let(:exit_status) { 1 } + let(:exit_status2) { 2 } + + it "returns a non-zero exit code" do + expect(@knife.ssh_command(command, session)).to eq(2) + end + end + end + + describe "#tmux" do + before do + ssh_config = { timeout: 50, user: "locutus", port: 23, keepalive: true, keepalive_interval: 60 } + allow(Net::SSH).to receive(:configuration_for).with("foo.example.org", true).and_return(ssh_config) + @query = Chef::Search::Query.new + expect(@query).to receive(:search).and_yield(@node_foo) + allow(Chef::Search::Query).to receive(:new).and_return(@query) + allow(@knife).to receive(:exec).and_return(0) + end + + it "filters out invalid characters from tmux session name" do + @knife.name_args = ["name:foo.example.org", "tmux"] + expect(@knife).to receive(:shell_out!).with("tmux new-session -d -s 'knife ssh name=foo-example-org' -n 'foo.example.org' 'ssh locutus@foo.example.org' ") + @knife.run + end + end + + describe "#run" do + + it "should print usage and exit when a SEARCH QUERY is not provided" do + @knife.name_args = [] + expect(@knife).to receive(:show_usage) + expect(@knife.ui).to receive(:fatal).with(/You must specify the SEARCH QUERY./) + expect { @knife.run }.to raise_error(SystemExit) + end + + context "exit" do + before do + @query = Chef::Search::Query.new + expect(@query).to receive(:search).and_yield(@node_foo) + allow(Chef::Search::Query).to receive(:new).and_return(@query) + allow(@knife).to receive(:ssh_command).and_return(exit_code) + @knife.name_args = ["*:*", "false"] + end + + context "with an error" do + let(:exit_code) { 1 } + + it "should exit with a non-zero exit code" do + expect(@knife).to receive(:exit).with(exit_code) + @knife.run + end + end + + context "with no error" do + let(:exit_code) { 0 } + + it "should not exit" do + expect(@knife).not_to receive(:exit) + @knife.run + end + end + end + end +end