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require 'abstract_unit'
class BestStandardsSupportTest < ActiveSupport::TestCase
def test_with_best_standards_support
_, headers, _ = app(true, {}).call({})
assert_equal "IE=Edge,chrome=1", headers["X-UA-Compatible"]
end
def test_with_builtin_best_standards_support
_, headers, _ = app(:builtin, {}).call({})
assert_equal "IE=Edge", headers["X-UA-Compatible"]
end
def test_without_best_standards_support
_, headers, _ = app(false, {}).call({})
assert_equal nil, headers["X-UA-Compatible"]
end
def test_appends_to_app_headers_without_duplication_after_multiple_requests
app_headers = { "X-UA-Compatible" => "requiresActiveX=true" }
_, headers, _ = app(true, app_headers).call({})
_, headers, _ = app(true, app_headers).call({})
expects = "requiresActiveX=true,IE=Edge,chrome=1"
assert_equal expects, headers["X-UA-Compatible"]
end
private
def app(type, headers)
app = proc { [200, headers, "response"] }
ActionDispatch::BestStandardsSupport.new(app, type)
end
end
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