added a simple tftp utility

1 files changed, 116 insertions, 0 deletions

diff --git a/t/test-custodian-util-tftp.rb b/t/test-custodian-util-tftp.rb
new file mode 100755
index 0000000..0774124
--- /dev/null
+++ b/t/test-custodian-util-tftp.rb
@@ -0,0 +1,116 @@
+#!/usr/bin/ruby -I./lib/ -I../lib/
+
+require 'custodian/util/tftp'
+require 'test/unit'
+
+#
+# Unit test for our tftp utility class.
+#
+class TestTftpUtil < Test::Unit::TestCase
+
+
+  #
+  # Create the test suite environment: NOP.
+  #
+  def setup
+  end
+
+  #
+  # Destroy the test suite environment: NOP.
+  #
+  def teardown
+  end
+
+
+  #
+  # Test we can construct new objects.
+  #
+  def test_init
+
+    #
+    # Normal construction works.
+    #
+    assert_nothing_raised do
+        Custodian::Util::Tftp.new('foo')
+    end
+    assert_nothing_raised do
+        Custodian::Util::Tftp.new('foo', 123)
+    end
+    assert_nothing_raised do
+        Custodian::Util::Tftp.new('foo', '123')
+    end
+
+
+    #
+    # A hostname must be supplied
+    #
+    assert_raise ArgumentError do
+        Custodian::Util::Tftp.new(nil)
+    end
+
+    #
+    # A hostname is a string, not an array, hash, or similar.
+    #
+    assert_raise ArgumentError do
+      Custodian::Util::Tftp.new({})
+    end
+    assert_raise ArgumentError do
+      Custodian::Util::Tftp.new([])
+    end
+
+    #
+    # A port, if supplied, must be a number
+    #
+    assert_raise ArgumentError do
+      Custodian::Util::Tftp.new('foo', 'bar')
+    end
+
+    #
+    # The default port is 69
+    #
+    assert_equal(Custodian::Util::Tftp.new('foo').port, 69)
+
+
+  end
+
+  #
+  # Test a tftp successful fetch
+  #
+  def test_tftp_suceeds
+    helper = Custodian::Util::Tftp.new('foo')
+    def helper.tftp(args)
+      filename = args.split(' ').last
+      File.open(filename, 'w') { |w| w.puts 'stuff' }
+      return true
+    end
+
+    assert(helper.test('file'))
+  end
+
+  #
+  # Test a tftp failed fetch
+  #
+  def test_tftp_failed_fetch
+    helper = Custodian::Util::Tftp.new('foo')
+    def helper.tftp(args)
+      return false
+    end
+
+    assert(!helper.test('file'))
+  end
+
+  #
+  # Test a tftp fetch of empty file
+  #
+  def test_tftp_empty_file
+    helper = Custodian::Util::Tftp.new('foo')
+    def helper.tftp(args)
+      filename = args.split(' ').last
+      File.open(filename, 'w') { |w| }
+      return true
+    end
+
+    assert(!helper.test('file'))
+  end
+
+end