1require 'rubygems/test_case'
2
3class TestKernel < Gem::TestCase
4
5  def setup
6    super
7
8    @old_path = $:.dup
9
10    util_make_gems
11  end
12
13  def teardown
14    super
15
16    $:.replace @old_path
17  end
18
19  def test_gem
20    assert gem('a', '= 1'), "Should load"
21    assert $:.any? { |p| %r{a-1/lib} =~ p }
22  end
23
24  def test_gem_redundant
25    assert gem('a', '= 1'), "Should load"
26    refute gem('a', '= 1'), "Should not load"
27    assert_equal 1, $:.select { |p| %r{a-1/lib} =~ p }.size
28  end
29
30  def test_gem_overlapping
31    assert gem('a', '= 1'), "Should load"
32    refute gem('a', '>= 1'), "Should not load"
33    assert_equal 1, $:.select { |p| %r{a-1/lib} =~ p }.size
34  end
35
36  def test_gem_conflicting
37    assert gem('a', '= 1'), "Should load"
38
39    ex = assert_raises Gem::LoadError do
40      gem 'a', '= 2'
41    end
42
43    assert_equal "can't activate a-2, already activated a-1", ex.message
44    assert_match(/activated a-1/, ex.message)
45    assert_equal 'a', ex.name
46
47    assert $:.any? { |p| %r{a-1/lib} =~ p }
48    refute $:.any? { |p| %r{a-2/lib} =~ p }
49  end
50
51  def test_gem_not_adding_bin
52    assert gem('a', '= 1'), "Should load"
53    refute $:.any? { |p| %r{a-1/bin} =~ p }
54  end
55end
56