File: test_gem_dependency_resolution_error.rb

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# frozen_string_literal: true

require_relative "helper"

class TestGemDependencyResolutionError < Gem::TestCase
  def setup
    super

    @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

    @error = Gem::DependencyResolutionError.new @conflict
  end

  def test_message
    assert_match(/^conflicting dependencies a \(= 1\) and a \(= 2\)$/,
                 @error.message)
  end
end