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47f0248b08
* test/rubygems: Ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
330 lines
7.7 KiB
Ruby
330 lines
7.7 KiB
Ruby
require 'rubygems/test_case'
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require 'rubygems/dependency_resolver'
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class TestGemDependencyResolver < Gem::TestCase
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def make_dep(name, *req)
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Gem::Dependency.new(name, *req)
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end
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def set(*specs)
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StaticSet.new(specs)
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end
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def assert_set(expected, actual)
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exp = expected.sort_by { |s| s.full_name }
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act = actual.map { |a| a.spec }.sort_by { |s| s.full_name }
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msg = "Set of gems was not the same: #{exp.map { |x| x.full_name}.inspect} != #{act.map { |x| x.full_name}.inspect}"
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assert_equal exp, act, msg
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end
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def test_no_overlap_specificly
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a = util_spec "a", '1'
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b = util_spec "b", "1"
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ad = make_dep "a", "= 1"
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bd = make_dep "b", "= 1"
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deps = [ad, bd]
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s = set(a, b)
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res = Gem::DependencyResolver.new(deps, s)
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assert_set [a, b], res.resolve
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end
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def test_pulls_in_dependencies
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a = util_spec "a", '1'
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b = util_spec "b", "1", "c" => "= 1"
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c = util_spec "c", "1"
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ad = make_dep "a", "= 1"
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bd = make_dep "b", "= 1"
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deps = [ad, bd]
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s = set(a, b, c)
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res = Gem::DependencyResolver.new(deps, s)
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assert_set [a, b, c], res.resolve
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end
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def test_picks_highest_version
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a1 = util_spec "a", '1'
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a2 = util_spec "a", '2'
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s = set(a1, a2)
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ad = make_dep "a"
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res = Gem::DependencyResolver.new([ad], s)
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assert_set [a2], res.resolve
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end
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def test_only_returns_spec_once
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a1 = util_spec "a", "1", "c" => "= 1"
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b1 = util_spec "b", "1", "c" => "= 1"
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c1 = util_spec "c", "1"
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ad = make_dep "a"
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bd = make_dep "b"
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s = set(a1, b1, c1)
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res = Gem::DependencyResolver.new([ad, bd], s)
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assert_set [a1, b1, c1], res.resolve
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end
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def test_picks_lower_version_when_needed
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a1 = util_spec "a", "1", "c" => ">= 1"
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b1 = util_spec "b", "1", "c" => "= 1"
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c1 = util_spec "c", "1"
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c2 = util_spec "c", "2"
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ad = make_dep "a"
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bd = make_dep "b"
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s = set(a1, b1, c1, c2)
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res = Gem::DependencyResolver.new([ad, bd], s)
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assert_set [a1, b1, c1], res.resolve
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cons = res.conflicts
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assert_equal 1, cons.size
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con = cons.first
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assert_equal "c (= 1)", con.dependency.to_s
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assert_equal "c-2", con.activated.full_name
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end
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def test_conflict_resolution_only_effects_correct_spec
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a1 = util_spec "a", "1", "c" => ">= 1"
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b1 = util_spec "b", "1", "d" => ">= 1"
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d3 = util_spec "d", "3", "c" => "= 1"
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d4 = util_spec "d", "4", "c" => "= 1"
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c1 = util_spec "c", "1"
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c2 = util_spec "c", "2"
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ad = make_dep "a"
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bd = make_dep "b"
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s = set(a1, b1, d3, d4, c1, c2)
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res = Gem::DependencyResolver.new([ad, bd], s)
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assert_set [a1, b1, c1, d4], res.resolve
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cons = res.conflicts
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assert_equal 1, cons.size
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con = cons.first
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assert_equal "c (= 1)", con.dependency.to_s
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assert_equal "c-2", con.activated.full_name
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end
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def test_raises_dependency_error
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a1 = util_spec "a", "1", "c" => "= 1"
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b1 = util_spec "b", "1", "c" => "= 2"
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c1 = util_spec "c", "1"
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c2 = util_spec "c", "2"
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ad = make_dep "a"
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bd = make_dep "b"
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s = set(a1, b1, c1, c2)
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r = Gem::DependencyResolver.new([ad, bd], s)
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e = assert_raises Gem::DependencyResolutionError do
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r.resolve
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end
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assert_equal "unable to resolve conflicting dependencies 'c (= 2)' and 'c (= 1)'", e.message
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deps = [make_dep("c", "= 2"), make_dep("c", "= 1")]
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assert_equal deps, e.conflicting_dependencies
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con = e.conflict
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act = con.activated
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assert_equal "c-1", act.spec.full_name
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parent = act.parent
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assert_equal "a-1", parent.spec.full_name
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act = con.requester
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assert_equal "b-1", act.spec.full_name
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end
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def test_raises_when_a_gem_is_missing
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ad = make_dep "a"
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r = Gem::DependencyResolver.new([ad], set)
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e = assert_raises Gem::UnsatisfiableDepedencyError do
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r.resolve
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end
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assert_equal "Unable to resolve dependency: (unknown) requires a (>= 0)",
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e.message
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assert_equal "a (>= 0)", e.dependency.to_s
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end
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def test_raises_when_a_gem_version_is_missing
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a1 = util_spec "a", "1"
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ad = make_dep "a", "= 3"
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r = Gem::DependencyResolver.new([ad], set(a1))
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e = assert_raises Gem::UnsatisfiableDepedencyError do
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r.resolve
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end
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assert_equal "a (= 3)", e.dependency.to_s
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end
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def test_raises_when_possibles_are_exhausted
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a1 = util_spec "a", "1", "c" => ">= 2"
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b1 = util_spec "b", "1", "c" => "= 1"
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c1 = util_spec "c", "1"
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c2 = util_spec "c", "2"
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c3 = util_spec "c", "3"
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s = set(a1, b1, c1, c2, c3)
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ad = make_dep "a"
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bd = make_dep "b"
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r = Gem::DependencyResolver.new([ad, bd], s)
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e = assert_raises Gem::ImpossibleDependenciesError do
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r.resolve
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end
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assert_match "a-1 requires c (>= 2) but it conflicted", e.message
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assert_equal "c (>= 2)", e.dependency.to_s
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s, con = e.conflicts[0]
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assert_equal "c-3", s.full_name
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assert_equal "c (= 1)", con.dependency.to_s
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assert_equal "b-1", con.requester.full_name
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end
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def test_keeps_resolving_after_seeing_satisfied_dep
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a1 = util_spec "a", "1", "b" => "= 1", "c" => "= 1"
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b1 = util_spec "b", "1"
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c1 = util_spec "c", "1"
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ad = make_dep "a"
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bd = make_dep "b"
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s = set(a1, b1, c1)
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r = Gem::DependencyResolver.new([ad, bd], s)
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assert_set [a1, b1, c1], r.resolve
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end
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def test_common_rack_activation_scenario
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rack100 = util_spec "rack", "1.0.0"
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rack101 = util_spec "rack", "1.0.1"
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lib1 = util_spec "lib", "1", "rack" => ">= 1.0.1"
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rails = util_spec "rails", "3", "actionpack" => "= 3"
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ap = util_spec "actionpack", "3", "rack" => ">= 1.0.0"
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d1 = make_dep "rails"
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d2 = make_dep "lib"
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s = set(lib1, rails, ap, rack100, rack101)
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r = Gem::DependencyResolver.new([d1, d2], s)
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assert_set [rails, ap, rack101, lib1], r.resolve
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# check it with the deps reverse too
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r = Gem::DependencyResolver.new([d2, d1], s)
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assert_set [lib1, rack101, rails, ap], r.resolve
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end
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def test_backtracks_to_the_first_conflict
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a1 = util_spec "a", "1"
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a2 = util_spec "a", "2"
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a3 = util_spec "a", "3"
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a4 = util_spec "a", "4"
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d1 = make_dep "a"
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d2 = make_dep "a", ">= 2"
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d3 = make_dep "a", "= 1"
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s = set(a1, a2, a3, a4)
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r = Gem::DependencyResolver.new([d1, d2, d3], s)
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assert_raises Gem::ImpossibleDependenciesError do
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r.resolve
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end
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end
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# actionmailer 2.3.4
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# activemerchant 1.5.0
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# activesupport 2.3.5, 2.3.4
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# Activemerchant needs activesupport >= 2.3.2. When you require activemerchant, it will activate the latest version that meets that requirement which is 2.3.5. Actionmailer on the other hand needs activesupport = 2.3.4. When rubygems tries to activate activesupport 2.3.4, it will raise an error.
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def test_simple_activesupport_problem
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sup1 = util_spec "activesupport", "2.3.4"
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sup2 = util_spec "activesupport", "2.3.5"
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merch = util_spec "activemerchant", "1.5.0", "activesupport" => ">= 2.3.2"
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mail = util_spec "actionmailer", "2.3.4", "activesupport" => "= 2.3.4"
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s = set(mail, merch, sup1, sup2)
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d1 = make_dep "activemerchant"
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d2 = make_dep "actionmailer"
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r = Gem::DependencyResolver.new([d1, d2], s)
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assert_set [merch, mail, sup1], r.resolve
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end
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def test_second_level_backout
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b1 = new_spec "b", "1", { "c" => ">= 1" }, "lib/b.rb"
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b2 = new_spec "b", "2", { "c" => ">= 2" }, "lib/b.rb"
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c1 = new_spec "c", "1"
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c2 = new_spec "c", "2"
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d1 = new_spec "d", "1", { "c" => "< 2" }, "lib/d.rb"
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d2 = new_spec "d", "2", { "c" => "< 2" }, "lib/d.rb"
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s = set(b1, b2, c1, c2, d1, d2)
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p1 = make_dep "b", "> 0"
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p2 = make_dep "d", "> 0"
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r = Gem::DependencyResolver.new([p1, p2], s)
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assert_set [b1, c1, d2], r.resolve
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end
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end
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