1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
require "helper"
require "train/transports/ssh"
require "train/transports/ssh_connection"
# Mocha limitations don't let us mock a function
# such that it can receive a block, so here's a minimal
# class that simulates Net::SSH::Connection::Channel to the
# extent required by Transports::SSH::Connection
class MockChannel
def exec(cmd)
@cmd = cmd
yield("ignored", true)
end
def data_handler
@handler
end
def on_data(&block)
@handler = block
end
def mock_inbound_data(data)
# trigger the 'on-data' event off of the channel.
@handler.call("ignored", data)
end
def on_extended_data; end
def on_request(any); end
def on_close(&block); end
end
describe "ssh connection" do
let(:cls) do
plat = Train::Platforms.name("mock").in_family("linux")
plat.add_platform_methods
Train::Platforms::Detect.stubs(:scan).returns(plat)
Train::Transports::SSH::Connection
end
let(:conf) do
{
host: rand.to_s,
password: rand.to_s,
transport_options: {},
}
end
describe "#run_command_via_connection through BaseConnection::run_command" do
let(:ssh) { cls.new(conf) }
# A bit more mocking than I'd like to see, but there's no sane way around
# it if we want to test output handling behavior.
let(:inbound_data) { "testdata" }
let(:channel_mock) { MockChannel.new }
let(:session_mock) do
session_mock = mock
session_mock.stubs(:closed?).returns false
session_mock.stubs(:open_channel).yields(channel_mock)
# Simulate the way that Net::SSH::Session processes request(s) on invoking #loop.
session_mock.stubs(:loop).with do
channel_mock.mock_inbound_data(inbound_data)
end
session_mock
end
it "invokes the provided block when a block is provided and data is received" do
ssh.stubs(:session).returns(session_mock)
called = false
# run_command b/c run_command_via_connection is private.
ssh.run_command("test") do |data|
called = true
_(data).must_equal inbound_data
end
_(called).must_equal true
end
it "accepts an options hash" do
ssh.stubs(:session).returns(session_mock)
_(ssh.run_command("keychecks off; safety -o; white rabbit object", my_option: "my value").stdout).must_equal "testdata"
end
end
end
|
