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require 'spec_helper'
describe DynamicPathValidator do
let(:validator) { described_class.new(attributes: [:path]) }
# Pass in a full path to remove the format segment:
# `/ci/lint(.:format)` -> `/ci/lint`
def without_format(path)
path.split('(', 2)[0]
end
# Pass in a full path and get the last segment before a wildcard
# That's not a parameter
# `/*namespace_id/:project_id/builds/artifacts/*ref_name_and_path`
# -> 'builds/artifacts'
def path_between_wildcards(path)
path = path.gsub(STARTING_WITH_NAMESPACE, "")
path_segments = path.split('/').reject(&:empty?)
wildcard_index = path_segments.index { |segment| segment.starts_with?('*') }
segments_before_wildcard = path_segments[0..wildcard_index - 1]
param_index = segments_before_wildcard.index { |segment| segment.starts_with?(':') }
if param_index
segments_before_wildcard = segments_before_wildcard[param_index + 1..-1]
end
segments_before_wildcard.join('/')
end
# If the path is reserved. Then no conflicting paths can# be created for any
# route using this reserved word.
#
# Both `builds/artifacts` & `artifacts/file` are covered by reserving the word
# `artifacts`
def wildcards_include?(path)
described_class::WILDCARD_ROUTES.include?(path) ||
path.split('/').any? { |segment| described_class::WILDCARD_ROUTES.include?(segment) }
end
let(:all_routes) do
Rails.application.routes.routes.routes.
map { |r| r.path.spec.to_s }
end
let(:routes_without_format) { all_routes.map { |path| without_format(path) } }
# Routes not starting with `/:` or `/*`
# all routes not starting with a param
let(:routes_not_starting_in_wildcard) { routes_without_format.select { |p| p !~ %r{^/[:*]} } }
let(:top_level_words) do
routes_not_starting_in_wildcard.map do |route|
route.split('/')[1]
end.compact.uniq
end
# All routes that start with a namespaced path, that have 1 or more
# path-segments before having another wildcard parameter.
# - Starting with paths:
# - `/*namespace_id/:project_id/`
# - `/*namespace_id/:id/`
# - Followed by one or more path-parts not starting with `:` or `*`
# - Followed by a path-part that includes a wildcard parameter `*`
# At the time of writing these routes match: http://rubular.com/r/Rv2pDE5Dvw
STARTING_WITH_NAMESPACE = /^\/\*namespace_id\/:(project_)?id/
NON_PARAM_PARTS = /[^:*][a-z\-_\/]*/
ANY_OTHER_PATH_PART = /[a-z\-_\/:]*/
WILDCARD_SEGMENT = /\*/
let(:namespaced_wildcard_routes) do
routes_without_format.select do |p|
p =~ %r{#{STARTING_WITH_NAMESPACE}\/#{NON_PARAM_PARTS}\/#{ANY_OTHER_PATH_PART}#{WILDCARD_SEGMENT}}
end
end
# This will return all paths that are used in a namespaced route
# before another wildcard path:
#
# /*namespace_id/:project_id/builds/artifacts/*ref_name_and_path
# /*namespace_id/:project_id/info/lfs/objects/*oid
# /*namespace_id/:project_id/commits/*id
# /*namespace_id/:project_id/builds/:build_id/artifacts/file/*path
# -> ['builds/artifacts', 'info/lfs/objects', 'commits', 'artifacts/file']
let(:all_wildcard_paths) do
namespaced_wildcard_routes.map do |route|
path_between_wildcards(route)
end.uniq
end
describe 'TOP_LEVEL_ROUTES' do
it 'includes all the top level namespaces' do
expect(described_class::TOP_LEVEL_ROUTES).to include(*top_level_words)
end
end
describe 'WILDCARD_ROUTES' do
it 'includes all paths that can be used after a namespace/project path' do
aggregate_failures do
all_wildcard_paths.each do |path|
expect(wildcards_include?(path)).to be(true), "Expected #{path} to be rejected"
end
end
end
end
describe '.contains_path_part?' do
it 'recognizes a path part' do
expect(described_class.contains_path_part?('user/some/path', 'user')).
to be_truthy
end
it 'recognizes a path ending in the path part' do
expect(described_class.contains_path_part?('some/path/user', 'user')).
to be_truthy
end
it 'skips partial path matchies' do
expect(described_class.contains_path_part?('some/user1/path', 'user')).
to be_falsy
end
it 'can recognise combined paths' do
expect(described_class.contains_path_part?('some/user/admin/path', 'user/admin')).
to be_truthy
end
it 'only recognizes full paths' do
expect(described_class.contains_path_part?('frontend-fixtures', 's')).
to be_falsy
end
it 'handles regex chars gracefully' do
expect(described_class.contains_path_part?('frontend-fixtures', '-')).
to be_falsy
end
end
describe ".valid?" do
it 'is not case sensitive' do
expect(described_class.valid?("Users")).to be(false)
end
it "isn't valid when the top level is reserved" do
test_path = 'u/should-be-a/reserved-word'
expect(described_class.valid?(test_path)).to be(false)
end
it "isn't valid if any of the path segments is reserved" do
test_path = 'the-wildcard/wikis/is-not-allowed'
expect(described_class.valid?(test_path)).to be(false)
end
it "is valid if the path doesn't contain reserved words" do
test_path = 'there-are/no-wildcards/in-this-path'
expect(described_class.valid?(test_path)).to be(true)
end
end
end
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