tests for Net::SSH::Config

test/configs/exact_match

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+Host other.host
+  Compression no
+  Port 1231
+
+Host test.host
+  Compression yes
+  ForwardAgent yes
+  Port 1234

test/configs/wild_cards

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+Host test.*
+  Port 1234
+  Compression no
+
+Host tes?.host
+  Port 4321
+  ForwardAgent yes
+
+Host *.hos?
+  IdentityFile ~/.ssh/id_dsa
+  Compression yes
+
+Host k*.host
+  RekeyLimit 1G

test/test_config.rb

@@ -0,0 +1,78 @@
+require 'common'
+require 'net/ssh/config'
+
+class TestConfig < Test::Unit::TestCase
+  def test_load_for_non_existant_file_should_return_empty_hash
+    File.expects(:readable?).with("/bogus/file").returns(false)
+    assert_equal({}, Net::SSH::Config.load("/bogus/file", "host.name"))
+  end
+
+  def test_load_should_expand_path
+    expected = File.expand_path("~/.ssh/config")
+    File.expects(:readable?).with(expected).returns(false)
+    Net::SSH::Config.load("~/.ssh/config", "host.name")
+  end
+
+  def test_load_with_exact_host_match_should_load_that_section
+    config = Net::SSH::Config.load(config(:exact_match), "test.host")
+    assert config['compression']
+    assert config['forwardagent']
+    assert_equal 1234, config['port']
+  end
+
+  def test_load_with_wild_card_matches_should_load_all_matches_with_first_match_taking_precedence
+    config = Net::SSH::Config.load(config(:wild_cards), "test.host")
+    assert_equal 1234, config['port']
+    assert !config['compression']
+    assert config['forwardagent']
+    assert_equal %w(~/.ssh/id_dsa), config['identityfile']
+    assert !config.key?('rekeylimit')
+  end
+
+  def test_for_should_load_all_files_and_translate_to_net_ssh_options
+    config = Net::SSH::Config.for("test.host", [config(:exact_match), config(:wild_cards)])
+    assert_equal 1234, config[:port]
+    assert config[:compression]
+    assert config[:forward_agent]
+    assert_equal %w(~/.ssh/id_dsa), config[:keys]
+    assert !config.key?(:rekey_limit)
+  end
+
+  def test_translate_should_correctly_translate_from_openssh_to_net_ssh_names
+    open_ssh = {
+      'ciphers'                 => "a,b,c",
+      'compression'             => true,
+      'compressionlevel'        => 6,
+      'connecttimeout'          => 100,
+      'forwardagent'            => true,
+      'hostbasedauthentication' => true,
+      'hostkeyalgorithms'       => "d,e,f",
+      'identityfile'            => %w(g h i),
+      'macs'                    => "j,k,l",
+      'passwordauthentication'  => true,
+      'port'                    => 1234,
+      'pubkeyauthentication'    => true,
+      'rekeylimit'              => 1024
+    }
+
+    net_ssh = Net::SSH::Config.translate(open_ssh)
+
+    assert_equal %w(a b c), net_ssh[:encryption]
+    assert_equal true,      net_ssh[:compression]
+    assert_equal 6,         net_ssh[:compression_level]
+    assert_equal 100,       net_ssh[:timeout]
+    assert_equal true,      net_ssh[:forward_agent]
+    assert_equal %w(hostbased password publickey), net_ssh[:auth_methods].sort
+    assert_equal %w(d e f), net_ssh[:host_key]
+    assert_equal %w(g h i), net_ssh[:keys]
+    assert_equal %w(j k l), net_ssh[:hmac]
+    assert_equal 1234,      net_ssh[:port]
+    assert_equal 1024,      net_ssh[:rekey_limit]
+  end
+
+  private
+
+    def config(name)
+      "test/configs/#{name}"
+    end
+end