rake/test/test_rake_definitions.rb

86 lines
1.9 KiB
Ruby

# frozen_string_literal: true
require File.expand_path("../helper", __FILE__)
require "fileutils"
class TestRakeDefinitions < Rake::TestCase
include Rake
EXISTINGFILE = "existing"
def setup
super
Task.clear
end
def test_task
done = false
task one: [:two] do done = true end
task :two
task three: [:one, :two]
check_tasks(:one, :two, :three)
assert done, "Should be done"
end
def test_file_task
done = false
file "one" => "two" do done = true end
file "two"
file "three" => ["one", "two"]
check_tasks("one", "two", "three")
assert done, "Should be done"
end
def check_tasks(n1, n2, n3)
t = Task[n1]
assert Task === t, "Should be a Task"
assert_equal n1.to_s, t.name
assert_equal [n2.to_s], t.prerequisites.map(&:to_s)
t.invoke
t2 = Task[n2]
assert_equal FileList[], t2.prerequisites
t3 = Task[n3]
assert_equal [n1.to_s, n2.to_s], t3.prerequisites.map(&:to_s)
end
def test_incremental_definitions
runs = []
task t1: [:t2] do runs << "A"; 4321 end
task t1: [:t3] do runs << "B"; 1234 end
task t1: [:t3]
task :t2
task :t3
Task[:t1].invoke
assert_equal ["A", "B"], runs
assert_equal ["t2", "t3"], Task[:t1].prerequisites
end
def test_missing_dependencies
task x: ["missing"]
assert_raises(RuntimeError) { Task[:x].invoke }
end
def test_falsey_dependencies
task x: nil
assert_equal [], Task[:x].prerequisites
end
def test_implicit_file_dependencies
runs = []
create_existing_file
task y: [EXISTINGFILE] do |t| runs << t.name end
Task[:y].invoke
assert_equal runs, ["y"]
end
private # ----------------------------------------------------------
def create_existing_file
Dir.mkdir File.dirname(EXISTINGFILE) unless
File.exist?(File.dirname(EXISTINGFILE))
open(EXISTINGFILE, "w") do |f| f.puts "HI" end unless
File.exist?(EXISTINGFILE)
end
end