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require 'helper'
require 'json'
module Journey
module GTG
class TestGeneralizedTable < MiniTest::Unit::TestCase
def test_to_json
table = tt %w{
/articles(.:format)
/articles/new(.:format)
/articles/:id/edit(.:format)
/articles/:id(.:format)
}
json = JSON.load table.to_json
assert json['regexp_states']
assert json['string_states']
assert json['accepting']
end
if system("dot -V 2>/dev/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
refute_match(/DOCTYPE/, svg)
end
end
def test_simulate_gt
sim = simulator_for ['/foo', '/bar']
assert_match sim, '/foo'
end
def test_simulate_gt_regexp
sim = simulator_for [':foo']
assert_match sim, 'foo'
end
def test_simulate_gt_regexp_mix
sim = simulator_for ['/get', '/:method/foo']
assert_match sim, '/get'
assert_match sim, '/get/foo'
end
def test_simulate_optional
sim = simulator_for ['/foo(/bar)']
assert_match sim, '/foo'
assert_match sim, '/foo/bar'
refute_match 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
match = sim.match '/get'
assert_equal [paths.first], match.memos
match = sim.match '/get/foo'
assert_equal [paths.last], match.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
match = sim.match '/articles/new'
assert_equal [paths[1], paths[3]], match.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
end
end
end
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