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rails--rails/actionpack/test/journey/nfa/simulator_test.rb
2017-07-29 14:02:40 +03:00

100 lines
2.6 KiB
Ruby

# frozen_string_literal: true
require "abstract_unit"
module ActionDispatch
module Journey
module NFA
class TestSimulator < ActiveSupport::TestCase
def test_simulate_simple
sim = simulator_for ["/foo"]
assert_match sim, "/foo"
end
def test_simulate_simple_no_match
sim = simulator_for ["/foo"]
assert_no_match sim, "foo"
end
def test_simulate_simple_no_match_too_long
sim = simulator_for ["/foo"]
assert_no_match sim, "/foo/bar"
end
def test_simulate_simple_no_match_wrong_string
sim = simulator_for ["/foo"]
assert_no_match sim, "/bar"
end
def test_simulate_regex
sim = simulator_for ["/:foo/bar"]
assert_match sim, "/bar/bar"
assert_match sim, "/foo/bar"
end
def test_simulate_or
sim = simulator_for ["/foo", "/bar"]
assert_match sim, "/bar"
assert_match sim, "/foo"
assert_no_match sim, "/baz"
end
def test_simulate_optional
sim = simulator_for ["/foo(/bar)"]
assert_match sim, "/foo"
assert_match sim, "/foo/bar"
assert_no_match sim, "/foo/"
end
def test_matchdata_has_memos
paths = %w{ /foo /bar }
parser = Journey::Parser.new
asts = paths.map { |x|
ast = parser.parse x
ast.each { |n| n.memo = ast }
ast
}
expected = asts.first
builder = Builder.new Nodes::Or.new asts
sim = Simulator.new builder.transition_table
md = sim.match "/foo"
assert_equal [expected], md.memos
end
def test_matchdata_memos_on_merge
parser = Journey::Parser.new
routes = [
"/articles(.:format)",
"/articles/new(.:format)",
"/articles/:id/edit(.:format)",
"/articles/:id(.:format)",
].map { |path|
ast = parser.parse path
ast.each { |n| n.memo = ast }
ast
}
asts = routes.dup
ast = Nodes::Or.new routes
nfa = Journey::NFA::Builder.new ast
sim = Simulator.new nfa.transition_table
md = sim.match "/articles"
assert_equal [asts.first], md.memos
end
def simulator_for(paths)
parser = Journey::Parser.new
asts = paths.map { |x| parser.parse x }
builder = Builder.new Nodes::Or.new asts
Simulator.new builder.transition_table
end
end
end
end
end