diff options
Diffstat (limited to 'test/server_test.rb')
| -rw-r--r-- | test/server_test.rb | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/test/server_test.rb b/test/server_test.rb new file mode 100644 index 0000000..b89066f --- /dev/null +++ b/test/server_test.rb @@ -0,0 +1,229 @@ +require 'common' +require 'net/ssh/multi/server' + +class ServerTest < Test::Unit::TestCase + def test_accessor_without_properties_should_access_empty_hash + assert_nil server('host', 'user')[:foo] + end + + def test_accessor_with_properties_should_access_properties + assert_equal "hello", server('host', 'user', :properties => { :foo => "hello" })[:foo] + end + + def test_port_should_return_22_by_default + assert_equal 22, server('host', 'user').port + end + + def test_port_should_return_given_port_when_present + assert_equal 1234, server('host', 'user', :port => 1234).port + end + + def test_equivalence_when_host_and_user_and_port_match + s1 = server('host', 'user', :port => 1234) + s2 = server('host', 'user', :port => 1234) + assert s1.eql?(s2) + assert_equal s1.hash, s2.hash + assert s1 == s2 + end + + def test_equivalence_when_host_mismatch + s1 = server('host1', 'user', :port => 1234) + s2 = server('host2', 'user', :port => 1234) + assert !s1.eql?(s2) + assert_not_equal s1.hash, s2.hash + assert s1 != s2 + end + + def test_equivalence_when_port_mismatch + s1 = server('host', 'user', :port => 1234) + s2 = server('host', 'user', :port => 1235) + assert !s1.eql?(s2) + assert_not_equal s1.hash, s2.hash + assert s1 != s2 + end + + def test_equivalence_when_user_mismatch + s1 = server('host', 'user1', :port => 1234) + s2 = server('host', 'user2', :port => 1234) + assert !s1.eql?(s2) + assert_not_equal s1.hash, s2.hash + assert s1 != s2 + end + + def test_to_s_should_include_user_and_host + assert_equal "user@host", server('host', 'user').to_s + end + + def test_to_s_should_include_user_and_host_and_port_when_port_is_given + assert_equal "user@host:1234", server('host', 'user', :port => 1234).to_s + end + + def test_gateway_should_be_nil_by_default + assert_nil server('host', 'user').gateway + end + + def test_gateway_should_be_set_with_the_via_value + gateway = mock('gateway') + assert_equal gateway, server('host', 'user', :via => gateway).gateway + end + + def test_session_with_default_argument_should_not_instantiate_session + assert_nil server('host', 'user').session + end + + def test_session_with_true_argument_should_instantiate_and_cache_session + session = {} + srv = server('host', 'user', :port => 1234) + Net::SSH.expects(:start).with('host', 'user', {:port => 1234}).once.returns(session) + assert_equal session, srv.session(true) + assert_equal session, srv.session(true) + assert_equal session, srv.session + end + + def test_session_via_gateway_with_true_argument_should_instantiate_and_cache_session + session = {} + gateway = mock('gateway') + srv = server('host', 'user', :port => 1234, :via => gateway) + gateway.expects(:ssh).with('host', 'user', {:port => 1234}).once.returns(session) + assert_equal session, srv.session(true) + assert_equal session, srv.session(true) + assert_equal session, srv.session + end + + def test_session_that_cannot_authenticate_adds_host_to_exception_message + srv = server('host', 'user') + Net::SSH.expects(:start).raises(Net::SSH::AuthenticationFailed.new('user')) + + begin + srv.session(true) + flunk + rescue Net::SSH::AuthenticationFailed => e + assert_equal "user@host", e.message + end + end + + def test_close_channels_when_session_is_not_open_should_not_do_anything + assert_nothing_raised { server('host', 'user').close_channels } + end + + def test_close_channels_when_session_is_open_should_iterate_over_open_channels_and_close_them + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + c1 = mock('channel', :close => nil) + c2 = mock('channel', :close => nil) + c3 = mock('channel', :close => nil) + session.expects(:channels).returns(1 => c1, 2 => c2, 3 => c3) + assert_equal session, srv.session(true) + srv.close_channels + end + + def test_close_when_session_is_not_open_should_not_do_anything + assert_nothing_raised { server('host', 'user').close } + end + + def test_close_when_session_is_open_should_close_transport_layer + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:transport).returns(mock('transport', :close => nil)) + assert_equal session, srv.session(true) + srv.close + end + + def test_busy_should_be_false_when_session_is_not_open + assert !server('host', 'user').busy? + end + + def test_busy_should_be_false_when_session_is_not_busy + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:busy?).returns(false) + srv.session(true) + assert !srv.busy? + end + + def test_busy_should_be_true_when_session_is_busy + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:busy?).returns(true) + srv.session(true) + assert srv.busy? + end + + def test_preprocess_should_be_true_when_session_is_not_open + assert_equal true, server('host', 'user').preprocess + end + + def test_preprocess_should_return_result_of_session_preprocess + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:preprocess).returns(:result).yields(session) + called = nil + srv.session(true) + assert_equal :result, srv.preprocess { |s| called = s } + assert_equal session, called + end + + def test_readers_should_return_empty_array_when_session_is_not_open + assert_equal [], server('host', 'user').readers + end + + def test_readers_should_return_all_listeners_when_session_is_open + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:listeners).returns(1 => 2, 3 => 4, 5 => 6, 7 => 8) + srv.session(true) + assert_equal [1, 3, 5, 7], srv.readers.sort + end + + def test_writers_should_return_empty_array_when_session_is_not_open + assert_equal [], server('host', 'user').writers + end + + def test_writers_should_return_all_listeners_that_are_pending_writes_when_session_is_open + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + listeners = { writer(:ready) => 1, writer(:reader) => 2, + writer(:reader) => 3, writer(:idle) => 4, writer(:ready) => 5 } + session.expects(:listeners).returns(listeners) + srv.session(true) + assert_equal 2, srv.writers.length + end + + def test_postprocess_should_return_true_when_session_is_not_open + assert_equal true, server('host', 'user').postprocess([], []) + end + + def test_postprocess_should_call_session_postprocess_with_ios_belonging_to_session + srv = server('host', 'user') + session = {} + Net::SSH.expects(:start).returns(session) + session.expects(:listeners).returns(1 => 2, 3 => 4, 5 => 6, 7 => 8) + session.expects(:postprocess).with([1,3], [7]).returns(:result) + srv.session(true) + assert_equal :result, srv.postprocess([1,11,3], [18,14,7,12]) + end + + private + + def server(host, user, options={}) + Net::SSH::Multi::Server.new(host, user, options) + end + + def writer(mode) + case mode + when :ready then + stub('io', :pending_write? => true) + when :idle then + stub('io', :pending_write? => false) + else + stub('io') + end + end +end
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