aboutsummaryrefslogtreecommitdiffstats
path: root/railties/test/gem_dependency_test.rb
blob: 6c1f0961a1ce9e54f0665b454caccf337cda66a8 (plain) (blame)
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
require 'plugin_test_helper'

class Rails::GemDependency
  public :install_command, :unpack_command
end

Rails::VendorGemSourceIndex.silence_spec_warnings = true

uses_mocha "Plugin Tests" do
  class GemDependencyTest < Test::Unit::TestCase
    def setup
      @gem              = Rails::GemDependency.new "xhpricotx"
      @gem_with_source  = Rails::GemDependency.new "xhpricotx", :source => "http://code.whytheluckystiff.net"
      @gem_with_version = Rails::GemDependency.new "xhpricotx", :version => "= 0.6"
      @gem_with_lib     = Rails::GemDependency.new "xaws-s3x", :lib => "aws/s3"
      @gem_without_load  = Rails::GemDependency.new "xhpricotx", :lib => false
    end

    def test_configuration_adds_gem_dependency
      config = Rails::Configuration.new
      config.gem "xaws-s3x", :lib => "aws/s3", :version => "0.4.0"
      assert_equal [["install", "xaws-s3x", "--version", '"= 0.4.0"']], config.gems.collect(&:install_command)
    end

    def test_gem_creates_install_command
      assert_equal %w(install xhpricotx), @gem.install_command
    end

    def test_gem_with_source_creates_install_command
      assert_equal %w(install xhpricotx --source http://code.whytheluckystiff.net), @gem_with_source.install_command
    end

    def test_gem_with_version_creates_install_command
      assert_equal ["install", "xhpricotx", "--version", '"= 0.6"'], @gem_with_version.install_command
    end

    def test_gem_creates_unpack_command
      assert_equal %w(unpack xhpricotx), @gem.unpack_command
    end

    def test_gem_with_version_unpack_install_command
      # stub out specification method, or else test will fail if hpricot 0.6 isn't installed
      mock_spec = mock()
      mock_spec.stubs(:version).returns('0.6')
      @gem_with_version.stubs(:specification).returns(mock_spec)
      assert_equal ["unpack", "xhpricotx", "--version", '= 0.6'], @gem_with_version.unpack_command
    end

    def test_gem_adds_load_paths
      @gem.expects(:gem).with(Gem::Dependency.new(@gem.name, nil))
      @gem.add_load_paths
    end

    def test_gem_with_version_adds_load_paths
      @gem_with_version.expects(:gem).with(Gem::Dependency.new(@gem_with_version.name, @gem_with_version.requirement.to_s))
      @gem_with_version.add_load_paths
    end

    def test_gem_loading
      @gem.expects(:gem).with(Gem::Dependency.new(@gem.name, nil))
      @gem.expects(:require).with(@gem.name)
      @gem.add_load_paths
      @gem.load
    end

    def test_gem_with_lib_loading
      @gem_with_lib.expects(:gem).with(Gem::Dependency.new(@gem_with_lib.name, nil))
      @gem_with_lib.expects(:require).with(@gem_with_lib.lib)
      @gem_with_lib.add_load_paths
      @gem_with_lib.load
    end

    def test_gem_without_lib_loading
      @gem_without_load.expects(:gem).with(Gem::Dependency.new(@gem_without_load.name, nil))
      @gem_without_load.expects(:require).with(@gem_without_load.lib).never
      @gem_without_load.add_load_paths
      @gem_without_load.load
    end

    def test_gem_dependencies_compare_for_uniq
      gem1 = Rails::GemDependency.new "gem1"
      gem1a = Rails::GemDependency.new "gem1"
      gem2 = Rails::GemDependency.new "gem2"
      gem2a = Rails::GemDependency.new "gem2"
      gem3 = Rails::GemDependency.new "gem2", :version => ">=0.1"
      gem3a = Rails::GemDependency.new "gem2", :version => ">=0.1"
      gem4 = Rails::GemDependency.new "gem3"
      gems = [gem1, gem2, gem1a, gem3, gem2a, gem4, gem3a, gem2, gem4]
      assert_equal 4, gems.uniq.size
    end

    def test_gem_load_frozen
      dummy_gem = Rails::GemDependency.new "dummy-gem-a"
      dummy_gem.add_load_paths
      dummy_gem.load
      assert_not_nil DUMMY_GEM_A_VERSION
    end

    def test_gem_load_frozen_specific_version
      dummy_gem = Rails::GemDependency.new "dummy-gem-b", :version => '0.4.0'
      dummy_gem.add_load_paths
      dummy_gem.load
      assert_not_nil DUMMY_GEM_B_VERSION
      assert_equal '0.4.0', DUMMY_GEM_B_VERSION
    end

    def test_gem_load_frozen_minimum_version
      dummy_gem = Rails::GemDependency.new "dummy-gem-c", :version => '>=0.5.0'
      dummy_gem.add_load_paths
      dummy_gem.load
      assert_not_nil DUMMY_GEM_C_VERSION
      assert_equal '0.6.0', DUMMY_GEM_C_VERSION
    end

    def test_gem_load_missing_specification
      dummy_gem = Rails::GemDependency.new "dummy-gem-d"
      dummy_gem.add_load_paths
      dummy_gem.load
      assert_not_nil DUMMY_GEM_D_VERSION
      assert_equal '1.0.0', DUMMY_GEM_D_VERSION
      assert_equal ['lib', 'lib/dummy-gem-d.rb'], dummy_gem.specification.files
    end

    def test_gem_load_bad_specification
      dummy_gem = Rails::GemDependency.new "dummy-gem-e", :version => "= 1.0.0"
      dummy_gem.add_load_paths
      dummy_gem.load
      assert_not_nil DUMMY_GEM_E_VERSION
      assert_equal '1.0.0', DUMMY_GEM_E_VERSION
    end

    def test_gem_handle_missing_dependencies
      dummy_gem = Rails::GemDependency.new "dummy-gem-g"
      dummy_gem.add_load_paths
      dummy_gem.load
      assert dummy_gem.loaded?
      assert_equal 2, dummy_gem.dependencies.size
      assert_nothing_raised do
        dummy_gem.dependencies.each do |g|
          g.dependencies
        end
      end
    end

  end
end