1require 'rubygems/test_case'
2require 'rubygems/request_set'
3
4class TestGemRequestSet < Gem::TestCase
5  def setup
6    super
7
8    Gem::RemoteFetcher.fetcher = @fetcher = Gem::FakeFetcher.new
9  end
10
11  def test_gem
12    util_spec "a", "2"
13
14    rs = Gem::RequestSet.new
15    rs.gem "a", "= 2"
16
17    assert_equal [Gem::Dependency.new("a", "=2")], rs.dependencies
18  end
19
20  def test_resolve
21    a = util_spec "a", "2", "b" => ">= 2"
22    b = util_spec "b", "2"
23
24    rs = Gem::RequestSet.new
25    rs.gem "a"
26
27    res = rs.resolve StaticSet.new([a, b])
28    assert_equal 2, res.size
29
30    names = res.map { |s| s.full_name }.sort
31
32    assert_equal ["a-2", "b-2"], names
33  end
34
35  def test_sorted_requests
36    a = util_spec "a", "2", "b" => ">= 2"
37    b = util_spec "b", "2", "c" => ">= 2"
38    c = util_spec "c", "2"
39
40    rs = Gem::RequestSet.new
41    rs.gem "a"
42
43    rs.resolve StaticSet.new([a, b, c])
44
45    names = rs.sorted_requests.map { |s| s.full_name }
46    assert_equal %w!c-2 b-2 a-2!, names
47  end
48
49  def test_install_into
50    a, ad = util_gem "a", "1", "b" => "= 1"
51    b, bd = util_gem "b", "1"
52
53    util_setup_spec_fetcher a, b
54
55    @fetcher.data["http://gems.example.com/gems/#{a.file_name}"] = Gem.read_binary(ad)
56    @fetcher.data["http://gems.example.com/gems/#{b.file_name}"] = Gem.read_binary(bd)
57
58    rs = Gem::RequestSet.new
59    rs.gem "a"
60
61    rs.resolve
62
63    installed = rs.install_into @tempdir
64
65    assert File.exists?(File.join(@tempdir, "specifications", "a-1.gemspec"))
66    assert File.exists?(File.join(@tempdir, "specifications", "b-1.gemspec"))
67
68    assert_equal %w!b-1 a-1!, installed.map { |s| s.full_name }
69  end
70end
71