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-# frozen_string_literal: true
-
-RSpec.describe "Resolving" do
- before :each do
- @index = an_awesome_index
- end
-
- it "resolves a single gem" do
- dep "rack"
-
- should_resolve_as %w[rack-1.1]
- end
-
- it "resolves a gem with dependencies" do
- dep "actionpack"
-
- should_resolve_as %w[actionpack-2.3.5 activesupport-2.3.5 rack-1.0]
- end
-
- it "resolves a conflicting index" do
- @index = a_conflict_index
- dep "my_app"
- should_resolve_as %w[activemodel-3.2.11 builder-3.0.4 grape-0.2.6 my_app-1.0.0]
- end
-
- it "resolves a complex conflicting index" do
- @index = a_complex_conflict_index
- dep "my_app"
- should_resolve_as %w[a-1.4.0 b-0.3.5 c-3.2 d-0.9.8 my_app-1.1.0]
- end
-
- it "resolves a index with conflict on child" do
- @index = index_with_conflict_on_child
- dep "chef_app"
- should_resolve_as %w[berkshelf-2.0.7 chef-10.26 chef_app-1.0.0 json-1.7.7]
- end
-
- it "prefers expicitly requested dependencies when resolving an index which would otherwise be ambiguous" do
- @index = an_ambiguous_index
- dep "a"
- dep "b"
- should_resolve_as %w[a-1.0.0 b-2.0.0 c-1.0.0 d-1.0.0]
- end
-
- it "prefers non-prerelease resolutions in sort order" do
- @index = optional_prereleases_index
- dep "a"
- dep "b"
- should_resolve_as %w[a-1.0.0 b-1.5.0]
- end
-
- it "resolves a index with root level conflict on child" do
- @index = a_index_with_root_conflict_on_child
- dep "i18n", "~> 0.4"
- dep "activesupport", "~> 3.0"
- dep "activerecord", "~> 3.0"
- dep "builder", "~> 2.1.2"
- should_resolve_as %w[activesupport-3.0.5 i18n-0.4.2 builder-2.1.2 activerecord-3.0.5 activemodel-3.0.5]
- end
-
- it "resolves a gem specified with a pre-release version" do
- dep "activesupport", "~> 3.0.0.beta"
- dep "activemerchant"
- should_resolve_as %w[activemerchant-2.3.5 activesupport-3.0.0.beta1]
- end
-
- it "doesn't select a pre-release if not specified in the Gemfile" do
- dep "activesupport"
- dep "reform"
- should_resolve_as %w[reform-1.0.0 activesupport-2.3.5]
- end
-
- it "doesn't select a pre-release for sub-dependencies" do
- dep "reform"
- should_resolve_as %w[reform-1.0.0 activesupport-2.3.5]
- end
-
- it "selects a pre-release for sub-dependencies if it's the only option" do
- dep "need-pre"
- should_resolve_as %w[need-pre-1.0.0 activesupport-3.0.0.beta1]
- end
-
- it "raises an exception if a child dependency is not resolved" do
- @index = a_unresovable_child_index
- dep "chef_app_error"
- expect do
- resolve
- end.to raise_error(Bundler::VersionConflict)
- end
-
- it "raises an exception with the minimal set of conflicting dependencies" do
- @index = build_index do
- %w[0.9 1.0 2.0].each {|v| gem("a", v) }
- gem("b", "1.0") { dep "a", ">= 2" }
- gem("c", "1.0") { dep "a", "< 1" }
- end
- dep "a"
- dep "b"
- dep "c"
- expect do
- resolve
- end.to raise_error(Bundler::VersionConflict, <<-E.strip)
-Bundler could not find compatible versions for gem "a":
- In Gemfile:
- b was resolved to 1.0, which depends on
- a (>= 2)
-
- c was resolved to 1.0, which depends on
- a (< 1)
- E
- end
-
- it "should throw error in case of circular dependencies" do
- @index = a_circular_index
- dep "circular_app"
-
- expect do
- resolve
- end.to raise_error(Bundler::CyclicDependencyError, /please remove either gem 'bar' or gem 'foo'/i)
- end
-
- # Issue #3459
- it "should install the latest possible version of a direct requirement with no constraints given" do
- @index = a_complicated_index
- dep "foo"
- should_resolve_and_include %w[foo-3.0.5]
- end
-
- # Issue #3459
- it "should install the latest possible version of a direct requirement with constraints given" do
- @index = a_complicated_index
- dep "foo", ">= 3.0.0"
- should_resolve_and_include %w[foo-3.0.5]
- end
-
- it "takes into account required_ruby_version" do
- @index = build_index do
- gem "foo", "1.0.0" do
- dep "bar", ">= 0"
- end
-
- gem "foo", "2.0.0" do |s|
- dep "bar", ">= 0"
- s.required_ruby_version = "~> 2.0.0"
- end
-
- gem "bar", "1.0.0"
-
- gem "bar", "2.0.0" do |s|
- s.required_ruby_version = "~> 2.0.0"
- end
-
- gem "ruby\0", "1.8.7"
- end
- dep "foo"
- dep "ruby\0", "1.8.7"
-
- deps = []
- @deps.each do |d|
- deps << Bundler::DepProxy.new(d, "ruby")
- end
-
- should_resolve_and_include %w[foo-1.0.0 bar-1.0.0], [[]]
- end
-
- context "conservative" do
- before :each do
- @index = build_index do
- gem("foo", "1.3.7") { dep "bar", "~> 2.0" }
- gem("foo", "1.3.8") { dep "bar", "~> 2.0" }
- gem("foo", "1.4.3") { dep "bar", "~> 2.0" }
- gem("foo", "1.4.4") { dep "bar", "~> 2.0" }
- gem("foo", "1.4.5") { dep "bar", "~> 2.1" }
- gem("foo", "1.5.0") { dep "bar", "~> 2.1" }
- gem("foo", "1.5.1") { dep "bar", "~> 3.0" }
- gem("foo", "2.0.0") { dep "bar", "~> 3.0" }
- gem "bar", %w[2.0.3 2.0.4 2.0.5 2.1.0 2.1.1 3.0.0]
- end
- dep "foo"
-
- # base represents declared dependencies in the Gemfile that are still satisfied by the lockfile
- @base = Bundler::SpecSet.new([])
-
- # locked represents versions in lockfile
- @locked = locked(%w[foo 1.4.3], %w[bar 2.0.3])
- end
-
- it "resolves all gems to latest patch" do
- # strict is not set, so bar goes up a minor version due to dependency from foo 1.4.5
- should_conservative_resolve_and_include :patch, [], %w[foo-1.4.5 bar-2.1.1]
- end
-
- it "resolves all gems to latest patch strict" do
- # strict is set, so foo can only go up to 1.4.4 to avoid bar going up a minor version, and bar can go up to 2.0.5
- should_conservative_resolve_and_include [:patch, :strict], [], %w[foo-1.4.4 bar-2.0.5]
- end
-
- it "resolves foo only to latest patch - same dependency case" do
- @locked = locked(%w[foo 1.3.7], %w[bar 2.0.3])
- # bar is locked, and the lock holds here because the dependency on bar doesn't change on the matching foo version.
- should_conservative_resolve_and_include :patch, ["foo"], %w[foo-1.3.8 bar-2.0.3]
- end
-
- it "resolves foo only to latest patch - changing dependency not declared case" do
- # foo is the only gem being requested for update, therefore bar is locked, but bar is NOT
- # declared as a dependency in the Gemfile. In this case, locks don't apply to _changing_
- # dependencies and since the dependency of the selected foo gem changes, the latest matching
- # dependency of "bar", "~> 2.1" -- bar-2.1.1 -- is selected. This is not a bug and follows
- # the long-standing documented Conservative Updating behavior of bundle install.
- # http://bundler.io/v1.12/man/bundle-install.1.html#CONSERVATIVE-UPDATING
- should_conservative_resolve_and_include :patch, ["foo"], %w[foo-1.4.5 bar-2.1.1]
- end
-
- it "resolves foo only to latest patch - changing dependency declared case" do
- # bar is locked AND a declared dependency in the Gemfile, so it will not move, and therefore
- # foo can only move up to 1.4.4.
- @base << build_spec("bar", "2.0.3").first
- should_conservative_resolve_and_include :patch, ["foo"], %w[foo-1.4.4 bar-2.0.3]
- end
-
- it "resolves foo only to latest patch strict" do
- # adding strict helps solve the possibly unexpected behavior of bar changing in the prior test case,
- # because no versions will be returned for bar ~> 2.1, so the engine falls back to ~> 2.0 (turn on
- # debugging to see this happen).
- should_conservative_resolve_and_include [:patch, :strict], ["foo"], %w[foo-1.4.4 bar-2.0.3]
- end
-
- it "resolves bar only to latest patch" do
- # bar is locked, so foo can only go up to 1.4.4
- should_conservative_resolve_and_include :patch, ["bar"], %w[foo-1.4.3 bar-2.0.5]
- end
-
- it "resolves all gems to latest minor" do
- # strict is not set, so bar goes up a major version due to dependency from foo 1.4.5
- should_conservative_resolve_and_include :minor, [], %w[foo-1.5.1 bar-3.0.0]
- end
-
- it "resolves all gems to latest minor strict" do
- # strict is set, so foo can only go up to 1.5.0 to avoid bar going up a major version
- should_conservative_resolve_and_include [:minor, :strict], [], %w[foo-1.5.0 bar-2.1.1]
- end
-
- it "resolves all gems to latest major" do
- should_conservative_resolve_and_include :major, [], %w[foo-2.0.0 bar-3.0.0]
- end
-
- it "resolves all gems to latest major strict" do
- should_conservative_resolve_and_include [:major, :strict], [], %w[foo-2.0.0 bar-3.0.0]
- end
-
- # Why would this happen in real life? If bar 2.2 has a bug that the author of foo wants to bypass
- # by reverting the dependency, the author of foo could release a new gem with an older requirement.
- context "revert to previous" do
- before :each do
- @index = build_index do
- gem("foo", "1.4.3") { dep "bar", "~> 2.2" }
- gem("foo", "1.4.4") { dep "bar", "~> 2.1.0" }
- gem("foo", "1.5.0") { dep "bar", "~> 2.0.0" }
- gem "bar", %w[2.0.5 2.1.1 2.2.3]
- end
- dep "foo"
-
- # base represents declared dependencies in the Gemfile that are still satisfied by the lockfile
- @base = Bundler::SpecSet.new([])
-
- # locked represents versions in lockfile
- @locked = locked(%w[foo 1.4.3], %w[bar 2.2.3])
- end
-
- it "could revert to a previous version level patch" do
- should_conservative_resolve_and_include :patch, [], %w[foo-1.4.4 bar-2.1.1]
- end
-
- it "cannot revert to a previous version in strict mode level patch" do
- # fall back to the locked resolution since strict means we can't regress either version
- should_conservative_resolve_and_include [:patch, :strict], [], %w[foo-1.4.3 bar-2.2.3]
- end
-
- it "could revert to a previous version level minor" do
- should_conservative_resolve_and_include :minor, [], %w[foo-1.5.0 bar-2.0.5]
- end
-
- it "cannot revert to a previous version in strict mode level minor" do
- # fall back to the locked resolution since strict means we can't regress either version
- should_conservative_resolve_and_include [:minor, :strict], [], %w[foo-1.4.3 bar-2.2.3]
- end
- end
- end
-end