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path: root/jni/ruby/test/rubygems/test_gem_dependency.rb
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require 'rubygems/test_case'
require 'rubygems/dependency'

class TestGemDependency < Gem::TestCase

  def test_initialize
    d = dep "pkg", "> 1.0"

    assert_equal "pkg", d.name
    assert_equal req("> 1.0"), d.requirement
  end

  def test_initialize_type_bad
    e = assert_raises ArgumentError do
      Gem::Dependency.new 'monkey' => '1.0'
    end

    assert_equal 'dependency name must be a String, was {"monkey"=>"1.0"}',
                 e.message
  end

  def test_initialize_double
    d = dep "pkg", "> 1.0", "< 2.0"
    assert_equal req("> 1.0", "< 2.0"), d.requirement
  end

  def test_initialize_empty
    d = dep "pkg"
    assert_equal req(">= 0"), d.requirement
  end

  def test_initialize_prerelease
    d = dep 'd', '1.a'

    assert d.prerelease?

    d = dep 'd', '= 1.a'

    assert d.prerelease?
  end

  def test_initialize_type
    assert_equal :runtime, dep("pkg").type
    assert_equal :development, dep("pkg", [], :development).type

    assert_raises ArgumentError do
      dep "pkg", :sometimes
    end
  end

  def test_initialize_version
    d = dep "pkg", v("2")
    assert_equal req("= 2"), d.requirement
  end

  def test_equals2
    o  = dep "other"
    d  = dep "pkg", "> 1.0"
    d1 = dep "pkg", "> 1.1"

    assert_equal d, d.dup
    assert_equal d.dup, d

    refute_equal d, d1
    refute_equal d1, d

    refute_equal d, o
    refute_equal o, d

    refute_equal d, Object.new
    refute_equal Object.new, d
  end

  def test_equals2_type
    refute_equal dep("pkg", :runtime), dep("pkg", :development)
  end

  def test_equals_tilde
    d = dep "a", "0"

    assert_match d,                  d,             "match self"
    assert_match dep("a", ">= 0"),   d,             "match version exact"
    assert_match dep("a", ">= 0"),   dep("a", "1"), "match version"
    refute_match dep("a"), Object.new

    Gem::Deprecate.skip_during do
      assert_match dep(/a/, ">= 0"),   d,             "match simple regexp"
      assert_match dep(/a|b/, ">= 0"), d,             "match scary regexp"
      refute_match dep(/a/), dep("b")
    end
  end

  def test_equals_tilde_escape
    refute_match dep("a|b"), dep("a", "1")
    Gem::Deprecate.skip_during do
      assert_match dep(/a|b/), dep("a", "1")
    end
  end

  def test_equals_tilde_object
    o = Object.new
    def o.name    ; 'a' end
    def o.version ; '0' end

    assert_match dep("a"), o
  end

  def test_equals_tilde_spec
    assert_match dep("a", ">= 0"),   spec("a", "0")
    assert_match dep("a", "1"),      spec("a", "1")
    Gem::Deprecate.skip_during do
      assert_match dep(/a/, ">= 0"),   spec("a", "0")
      assert_match dep(/a|b/, ">= 0"), spec("b", "0")
      refute_match dep(/a/, ">= 0"),   spec("b", "0")
    end
  end

  def test_hash
    d = dep "pkg", "1.0"

    assert_equal d.hash, d.dup.hash
    assert_equal d.dup.hash, d.hash

    refute_equal dep("pkg", "1.0").hash,   dep("pkg", "2.0").hash, "requirement"
    refute_equal dep("pkg", "1.0").hash,   dep("abc", "1.0").hash, "name"
    refute_equal dep("pkg", :development), dep("pkg", :runtime), "type"
  end

  def test_match_eh_name_tuple
    a_dep = dep 'a'

    a_tup = Gem::NameTuple.new 'a', 1
    b_tup = Gem::NameTuple.new 'b', 2
    c_tup = Gem::NameTuple.new 'c', '2.a'

    assert a_dep.match? a_tup
    refute a_dep.match? b_tup

    b_dep = dep 'b', '>= 3'

    refute b_dep.match? b_tup

    c_dep = dep 'c', '>= 1'

    refute c_dep.match? c_tup

    c_dep = dep 'c'

    refute c_dep.match? c_tup

    c_dep = dep 'c', '2.a'

    assert c_dep.match? c_tup
  end

  def test_match_eh_allow_prerelease
    a_dep = dep 'a'

    a_tup = Gem::NameTuple.new 'a', 1
    b_tup = Gem::NameTuple.new 'b', 2
    c_tup = Gem::NameTuple.new 'c', '2.a'

    assert a_dep.match? a_tup, nil, true
    refute a_dep.match? b_tup, nil, true

    b_dep = dep 'b', '>= 3'

    refute b_dep.match? b_tup, nil, true

    c_dep = dep 'c', '>= 1'

    assert c_dep.match? c_tup, nil, true

    c_dep = dep 'c'

    assert c_dep.match? c_tup, nil, true

    c_dep = dep 'c', '2.a'

    assert c_dep.match? c_tup, nil, true
  end

  def test_match_eh_specification
    a_dep = dep 'a'

    a_spec = util_spec 'a', 1
    b_spec = util_spec 'b', 2
    c_spec = util_spec 'c', '2.a'

    assert a_dep.match? a_spec
    refute a_dep.match? b_spec

    b_dep = dep 'b', '>= 3'

    refute b_dep.match? b_spec

    c_dep = dep 'c', '>= 1'

    refute c_dep.match? c_spec

    c_dep = dep 'c'

    refute c_dep.match? c_spec

    c_dep = dep 'c', '2.a'

    assert c_dep.match? c_spec
  end

  def test_matches_spec_eh
    spec = util_spec 'b', 2

    refute dep('a')        .matches_spec?(spec), 'name mismatch'
    assert dep('b')        .matches_spec?(spec), 'name match'
    refute dep('b', '= 1') .matches_spec?(spec), 'requirement mismatch'
    assert dep('b', '~> 2').matches_spec?(spec), 'requirement match'
  end

  def test_matches_spec_eh_prerelease
    spec = util_spec 'b', '2.1.a'

    refute dep('a')          .matches_spec?(spec), 'name mismatch'
    assert dep('b')          .matches_spec?(spec), 'name match'
    refute dep('b', '= 1')   .matches_spec?(spec), 'requirement mismatch'
    assert dep('b', '~> 2')  .matches_spec?(spec), 'requirement match'
    assert dep('b', '~> 2.a').matches_spec?(spec), 'prerelease requirement'
  end

  def test_merge
    a1 = dep 'a', '~> 1.0'
    a2 = dep 'a', '= 1.0'

    a3 = a1.merge a2

    assert_equal dep('a', '~> 1.0', '= 1.0'), a3
  end

  def test_merge_default
    a1 = dep 'a'
    a2 = dep 'a', '1'

    a3 = a1.merge a2

    assert_equal dep('a', '1'), a3
  end

  def test_merge_name_mismatch
    a = dep 'a'
    b = dep 'b'

    e = assert_raises ArgumentError do
      a.merge b
    end

    assert_equal 'a (>= 0) and b (>= 0) have different names',
                 e.message
  end

  def test_merge_other_default
    a1 = dep 'a', '1'
    a2 = dep 'a'

    a3 = a1.merge a2

    assert_equal dep('a', '1'), a3
  end

  def test_prerelease_eh
    d = dep "pkg", "= 1"

    refute d.prerelease?

    d.prerelease = true

    assert d.prerelease?

    d = dep "pkg", "= 1.a"

    assert d.prerelease?

    d.prerelease = false

    assert d.prerelease?

    d = dep "pkg", "> 1.a", "> 2"

    assert d.prerelease?
  end

  def test_specific
    refute dep('a', '> 1').specific?

    assert dep('a', '= 1').specific?
  end

  def test_to_spec
          util_spec 'a', '1'
    a_2 = util_spec 'a', '2'

    a_dep = dep 'a', '>= 0'

    assert_equal a_2, a_dep.to_spec
  end

  def test_to_spec_prerelease
    a_1     = util_spec 'a', '1'
    a_1_1_a = util_spec 'a', '1.1.a'

    a_dep = dep 'a', '>= 0'

    assert_equal a_1, a_dep.to_spec

    a_pre_dep = dep 'a', '>= 0'
    a_pre_dep.prerelease = true

    assert_equal a_1_1_a, a_pre_dep.to_spec
  end

  def test_to_specs_suggests_other_versions
    a = util_spec 'a', '1.0', 'b' => '>= 1.0'

    a_file = File.join a.gem_dir, 'lib', 'a_file.rb'

    write_file a_file do |io|
      io.puts '# a_file.rb'
    end

    dep = Gem::Dependency.new "a", "= 2.0"

    e = assert_raises Gem::LoadError do
      dep.to_specs
    end

    assert_match "Could not find 'a' (= 2.0) - did find: [a-1.0]", e.message
  end

  def test_to_specs_indicates_total_gem_set_size
    a = util_spec 'a', '1.0', 'b' => '>= 1.0'

    a_file = File.join a.gem_dir, 'lib', 'a_file.rb'

    write_file a_file do |io|
      io.puts '# a_file.rb'
    end

    dep = Gem::Dependency.new "b", "= 2.0"

    e = assert_raises Gem::LoadError do
      dep.to_specs
    end

    assert_match "Could not find 'b' (= 2.0) among 1 total gem(s)", e.message
  end


end