summaryrefslogtreecommitdiff
path: root/test/rake/test_invocation_chain.rb
blob: 2b064937739300af137ca2b9cb7b8a2771ec6c9e (plain)
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
require 'test/unit'
require 'rake'

######################################################################
class Rake::TestAnEmptyInvocationChain < Test::Unit::TestCase

  def setup
    @empty = Rake::InvocationChain::EMPTY
  end

  def test_should_be_able_to_add_members
    assert_nothing_raised do
      @empty.append("A")
    end
  end

  def test_to_s
    assert_equal "TOP", @empty.to_s
  end
end

######################################################################
class Rake::TestAnInvocationChainWithOneMember < Test::Unit::TestCase

  def setup
    @empty = Rake::InvocationChain::EMPTY
    @first_member = "A"
    @chain = @empty.append(@first_member)
  end

  def test_should_report_first_member_as_a_member
    assert @chain.member?(@first_member)
  end

  def test_should_fail_when_adding_original_member
    ex = assert_raise RuntimeError do
      @chain.append(@first_member)
    end
    assert_match(/circular +dependency/i, ex.message)
    assert_match(/A.*=>.*A/, ex.message)
  end

  def test_to_s
    assert_equal "TOP => A", @chain.to_s
  end

end

######################################################################
class Rake::TestAnInvocationChainWithMultipleMember < Test::Unit::TestCase

  def setup
    @first_member = "A"
    @second_member = "B"
    ch = Rake::InvocationChain::EMPTY.append(@first_member)
    @chain = ch.append(@second_member)
  end

  def test_should_report_first_member_as_a_member
    assert @chain.member?(@first_member)
  end

  def test_should_report_second_member_as_a_member
    assert @chain.member?(@second_member)
  end

  def test_should_fail_when_adding_original_member
    ex = assert_raise RuntimeError do
      @chain.append(@first_member)
    end
    assert_match(/A.*=>.*B.*=>.*A/, ex.message)
  end
end