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require 'testing_env'
require 'requirement'
class RequirementTests < Test::Unit::TestCase
def test_accepts_single_tag
dep = Requirement.new("bar")
assert_equal %w{bar}, dep.tags
end
def test_accepts_multiple_tags
dep = Requirement.new(%w{bar baz})
assert_equal %w{bar baz}.sort, dep.tags.sort
dep = Requirement.new(*%w{bar baz})
assert_equal %w{bar baz}.sort, dep.tags.sort
end
def test_preserves_symbol_tags
dep = Requirement.new(:build)
assert_equal [:build], dep.tags
end
def test_accepts_symbol_and_string_tags
dep = Requirement.new([:build, "bar"])
assert_equal [:build, "bar"], dep.tags
dep = Requirement.new(:build, "bar")
assert_equal [:build, "bar"], dep.tags
end
def test_dsl_fatal
req = Class.new(Requirement) { fatal true }.new
assert req.fatal?
end
def test_satisfy_true
req = Class.new(Requirement) do
satisfy(:build_env => false) { true }
end.new
assert req.satisfied?
end
def test_satisfy_false
req = Class.new(Requirement) do
satisfy(:build_env => false) { false }
end.new
assert !req.satisfied?
end
def test_satisfy_with_boolean
req = Class.new(Requirement) do
satisfy true
end.new
assert req.satisfied?
end
def test_satisfy_sets_up_build_env_by_default
req = Class.new(Requirement) do
env :userpaths
satisfy { true }
end.new
ENV.expects(:with_build_environment).yields.returns(true)
ENV.expects(:userpaths!)
assert req.satisfied?
end
def test_satisfy_build_env_can_be_disabled
req = Class.new(Requirement) do
satisfy(:build_env => false) { true }
end.new
ENV.expects(:with_build_environment).never
ENV.expects(:userpaths!).never
assert req.satisfied?
end
def test_infers_path_from_satisfy_result
which_path = Pathname.new("/foo/bar/baz")
req = Class.new(Requirement) do
satisfy { which_path }
end.new
ENV.expects(:with_build_environment).yields.returns(which_path)
ENV.expects(:userpaths!)
ENV.expects(:append).with("PATH", which_path.parent, ":")
req.modify_build_environment
end
def test_dsl_build
req = Class.new(Requirement) { build true }.new
assert req.build?
end
end
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