# frozen_string_literal: true

require_relative "helper"

class TestGemResolverConflict < Gem::TestCase
  def test_explanation
    root  =
      dependency_request dep("net-ssh", ">= 2.0.13"), "rye", "0.9.8"
    child =
      dependency_request dep("net-ssh", ">= 2.6.5"), "net-ssh", "2.2.2", root

    dep = Gem::Resolver::DependencyRequest.new dep("net-ssh", ">= 2.0.13"), nil

    spec = util_spec "net-ssh", "2.2.2"
    active =
      Gem::Resolver::ActivationRequest.new spec, dep

    conflict =
      Gem::Resolver::Conflict.new child, active

    expected = <<-EXPECTED
  Activated net-ssh-2.2.2
  which does not match conflicting dependency (>= 2.6.5)

  Conflicting dependency chains:
    net-ssh (>= 2.0.13), 2.2.2 activated

  versus:
    rye (= 0.9.8), 0.9.8 activated, depends on
    net-ssh (>= 2.0.13), 2.2.2 activated, depends on
    net-ssh (>= 2.6.5)

    EXPECTED

    assert_equal expected, conflict.explanation
  end

  def test_explanation_user_request
    spec = util_spec "a", 2

    a1_req = Gem::Resolver::DependencyRequest.new dep("a", "= 1"), nil
    a2_req = Gem::Resolver::DependencyRequest.new dep("a", "= 2"), nil

    activated = Gem::Resolver::ActivationRequest.new spec, a2_req

    conflict = Gem::Resolver::Conflict.new a1_req, activated

    expected = <<-EXPECTED
  Activated a-2
  which does not match conflicting dependency (= 1)

  Conflicting dependency chains:
    a (= 2), 2 activated

  versus:
    a (= 1)

    EXPECTED

    assert_equal expected, conflict.explanation
  end

  def test_request_path
    root  =
      dependency_request dep("net-ssh", ">= 2.0.13"), "rye", "0.9.8"

    child =
      dependency_request dep("other", ">= 1.0"), "net-ssh", "2.2.2", root

    conflict =
      Gem::Resolver::Conflict.new nil, nil

    expected = [
      "net-ssh (>= 2.0.13), 2.2.2 activated",
      "rye (= 0.9.8), 0.9.8 activated",
    ]

    assert_equal expected, conflict.request_path(child.requester)
  end
end
