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rails--rails/actionpack/test/journey/gtg/transition_table_test.rb
2017-07-31 21:58:42 +09:00

125 lines
3.3 KiB
Ruby

# frozen_string_literal: true
require "abstract_unit"
require "active_support/json/decoding"
module ActionDispatch
module Journey
module GTG
class TestGeneralizedTable < ActiveSupport::TestCase
def test_to_json
table = tt %w{
/articles(.:format)
/articles/new(.:format)
/articles/:id/edit(.:format)
/articles/:id(.:format)
}
json = ActiveSupport::JSON.decode table.to_json
assert json["regexp_states"]
assert json["string_states"]
assert json["accepting"]
end
if system("dot -V", 2 => File::NULL)
def test_to_svg
table = tt %w{
/articles(.:format)
/articles/new(.:format)
/articles/:id/edit(.:format)
/articles/:id(.:format)
}
svg = table.to_svg
assert svg
assert_no_match(/DOCTYPE/, svg)
end
end
def test_simulate_gt
sim = simulator_for ["/foo", "/bar"]
assert_match_route sim, "/foo"
end
def test_simulate_gt_regexp
sim = simulator_for [":foo"]
assert_match_route sim, "foo"
end
def test_simulate_gt_regexp_mix
sim = simulator_for ["/get", "/:method/foo"]
assert_match_route sim, "/get"
assert_match_route sim, "/get/foo"
end
def test_simulate_optional
sim = simulator_for ["/foo(/bar)"]
assert_match_route sim, "/foo"
assert_match_route sim, "/foo/bar"
assert_no_match_route sim, "/foo/"
end
def test_match_data
path_asts = asts %w{ /get /:method/foo }
paths = path_asts.dup
builder = GTG::Builder.new Nodes::Or.new path_asts
tt = builder.transition_table
sim = GTG::Simulator.new tt
memos = sim.memos "/get"
assert_equal [paths.first], memos
memos = sim.memos "/get/foo"
assert_equal [paths.last], memos
end
def test_match_data_ambiguous
path_asts = asts %w{
/articles(.:format)
/articles/new(.:format)
/articles/:id/edit(.:format)
/articles/:id(.:format)
}
paths = path_asts.dup
ast = Nodes::Or.new path_asts
builder = GTG::Builder.new ast
sim = GTG::Simulator.new builder.transition_table
memos = sim.memos "/articles/new"
assert_equal [paths[1], paths[3]], memos
end
private
def asts(paths)
parser = Journey::Parser.new
paths.map { |x|
ast = parser.parse x
ast.each { |n| n.memo = ast }
ast
}
end
def tt(paths)
x = asts paths
builder = GTG::Builder.new Nodes::Or.new x
builder.transition_table
end
def simulator_for(paths)
GTG::Simulator.new tt(paths)
end
def assert_match_route(simulator, path)
assert simulator.memos(path), "Simulator should match #{path}."
end
def assert_no_match_route(simulator, path)
assert_not simulator.memos(path) { nil }, "Simulator should not match #{path}."
end
end
end
end
end