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
|
require 'helper'
class GraphVizDOTScriptTest < Test::Unit::TestCase
def setup
@script = GraphViz::DOTScript.new
end
def test_appends_a_newline_character_if_it_is_missing
str = "Test without newline"
@script.append(str)
assert_equal @script.to_s, str + "\n"
end
def test_does_not_append_a_newline_if_already_present
str = "Linebreak follows at my tail:\n"
@script.append(str)
assert_equal @script.to_s, str
end
def test_can_prepend_lines_to_its_content
start_content = "I want to be at the top!\n"
additional_content = "No way!\n"
@script.append(start_content)
@script.prepend(additional_content)
assert_equal @script.to_s, additional_content + start_content
end
def test_can_add_types_with_data
data = "some random data"
@script.add_type("node_attr", data)
assert_match(/\s*node\s*\[\s*#{data}\s*\]\s*/, @script.to_s)
end
def test_does_nothing_if_data_is_empty
@script.add_type("anything", "")
assert_equal true, @script.to_s.empty?
end
def test_raises_an_argument_error_on_unknown_types
assert_raise ArgumentError do
@script.add_type("invalid", "some data")
end
end
end
|
