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require File.expand_path('../helper', __FILE__)
require 'fileutils'
class TestRakeTask < Rake::TestCase
include Rake
def setup
super
Task.clear
Rake::TaskManager.record_task_metadata = true
end
def teardown
Rake::TaskManager.record_task_metadata = false
super
end
def test_create
arg = nil
t = task(:name) { |task| arg = task; 1234 }
assert_equal "name", t.name
assert_equal [], t.prerequisites
assert t.needed?
t.execute(0)
assert_equal t, arg
assert_nil t.source
assert_equal [], t.sources
assert_equal 1, t.locations.size
assert_match(/#{Regexp.quote(__FILE__)}/, t.locations.first)
end
def test_inspect
t = task(:foo => [:bar, :baz])
assert_equal "<Rake::Task foo => [bar, baz]>", t.inspect
end
def test_invoke
runlist = []
t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
task(:t2) { |t| runlist << t.name }
task(:t3) { |t| runlist << t.name }
assert_equal ["t2", "t3"], t1.prerequisites
t1.invoke
assert_equal ["t2", "t3", "t1"], runlist
end
def test_invoke_with_circular_dependencies
runlist = []
t1 = task(:t1 => [:t2]) { |t| runlist << t.name; 3321 }
t2 = task(:t2 => [:t1]) { |t| runlist << t.name }
assert_equal ["t2"], t1.prerequisites
assert_equal ["t1"], t2.prerequisites
ex = assert_raises RuntimeError do
t1.invoke
end
assert_match(/circular dependency/i, ex.message)
assert_match(/t1 => t2 => t1/, ex.message)
end
def test_dry_run_prevents_actions
Rake.application.options.dryrun = true
runlist = []
t1 = task(:t1) { |t| runlist << t.name; 3321 }
_, err = capture_io { t1.invoke }
assert_match(/execute .*t1/i, err)
assert_match(/dry run/i, err)
refute_match(/invoke/i, err)
assert_equal [], runlist
ensure
Rake.application.options.dryrun = false
end
def test_tasks_can_be_traced
Rake.application.options.trace = true
t1 = task(:t1)
_, err = capture_io {
t1.invoke
}
assert_match(/invoke t1/i, err)
assert_match(/execute t1/i, err)
ensure
Rake.application.options.trace = false
end
def test_no_double_invoke
runlist = []
t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
task(:t2 => [:t3]) { |t| runlist << t.name }
task(:t3) { |t| runlist << t.name }
t1.invoke
assert_equal ["t3", "t2", "t1"], runlist
end
def test_can_double_invoke_with_reenable
runlist = []
t1 = task(:t1) { |t| runlist << t.name }
t1.invoke
t1.reenable
t1.invoke
assert_equal ["t1", "t1"], runlist
end
def test_clear
desc "a task"
t = task("t" => "a") { }
t.clear
assert t.prerequisites.empty?, "prerequisites should be empty"
assert t.actions.empty?, "actions should be empty"
assert_nil t.comment, "comments should be empty"
end
def test_clear_prerequisites
t = task("t" => ["a", "b"])
assert_equal ['a', 'b'], t.prerequisites
t.clear_prerequisites
assert_equal [], t.prerequisites
end
def test_clear_actions
t = task("t") { }
t.clear_actions
assert t.actions.empty?, "actions should be empty"
end
def test_clear_comments
desc "the original foo"
task :foo => [:x] do
# Dummy action
end
task(:foo).clear_comments
desc "a slightly different foo"
task :foo
assert_equal "a slightly different foo", task(:foo).comment
assert_equal ["x"], task(:foo).prerequisites
assert_equal 1, task(:foo).actions.size
end
def test_find
task :tfind
assert_equal "tfind", Task[:tfind].name
ex = assert_raises(RuntimeError) { Task[:leaves] }
assert_equal "Don't know how to build task 'leaves'", ex.message
end
def test_defined
assert ! Task.task_defined?(:a)
task :a
assert Task.task_defined?(:a)
end
def test_multi_invocations
runs = []
p = proc do |t| runs << t.name end
task({:t1=>[:t2,:t3]}, &p)
task({:t2=>[:t3]}, &p)
task(:t3, &p)
Task[:t1].invoke
assert_equal ["t1", "t2", "t3"], runs.sort
end
def test_task_list
task :t2
task :t1 => [:t2]
assert_equal ["t1", "t2"], Task.tasks.collect {|t| t.name}
end
def test_task_gives_name_on_to_s
task :abc
assert_equal "abc", Task[:abc].to_s
end
def test_symbols_can_be_prerequisites
task :a => :b
assert_equal ["b"], Task[:a].prerequisites
end
def test_strings_can_be_prerequisites
task :a => "b"
assert_equal ["b"], Task[:a].prerequisites
end
def test_arrays_can_be_prerequisites
task :a => ["b", "c"]
assert_equal ["b", "c"], Task[:a].prerequisites
end
def test_filelists_can_be_prerequisites
task :a => FileList.new.include("b", "c")
assert_equal ["b", "c"], Task[:a].prerequisites
end
def test_prerequiste_tasks_returns_tasks_not_strings
a = task :a => ["b", "c"]
b = task :b
c = task :c
assert_equal [b, c], a.prerequisite_tasks
end
def test_prerequiste_tasks_fails_if_prerequisites_are_undefined
a = task :a => ["b", "c"]
task :b
assert_raises(RuntimeError) do
a.prerequisite_tasks
end
end
def test_prerequiste_tasks_honors_namespaces
a = b = nil
namespace "X" do
a = task :a => ["b", "c"]
b = task :b
end
c = task :c
assert_equal [b, c], a.prerequisite_tasks
end
def test_all_prerequisite_tasks_includes_all_prerequisites
a = task :a => "b"
b = task :b => ["c", "d"]
c = task :c => "e"
d = task :d
e = task :e
assert_equal [b, c, d, e], a.all_prerequisite_tasks.sort_by { |t| t.name }
end
def test_all_prerequisite_tasks_does_not_include_duplicates
a = task :a => ["b", "c"]
b = task :b => "c"
c = task :c
assert_equal [b, c], a.all_prerequisite_tasks.sort_by { |t| t.name }
end
def test_all_prerequisite_tasks_includes_self_on_cyclic_dependencies
a = task :a => "b"
b = task :b => "a"
assert_equal [a, b], a.all_prerequisite_tasks.sort_by { |t| t.name }
end
def test_timestamp_returns_now_if_all_prereqs_have_no_times
a = task :a => ["b", "c"]
task :b
task :c
assert_in_delta Time.now, a.timestamp, 0.1, 'computer too slow?'
end
def test_timestamp_returns_latest_prereq_timestamp
a = task :a => ["b", "c"]
b = task :b
c = task :c
now = Time.now
def b.timestamp() Time.now + 10 end
def c.timestamp() Time.now + 5 end
assert_in_delta now, a.timestamp, 0.1, 'computer too slow?'
end
def test_always_multitask
mx = Mutex.new
result = []
t_a = task(:a) do |t|
sleep 0.02
mx.synchronize{ result << t.name }
end
t_b = task(:b) do |t|
mx.synchronize{ result << t.name }
end
t_c = task(:c => [:a,:b]) do |t|
mx.synchronize{ result << t.name }
end
t_c.invoke
# task should always run in order
assert_equal ['a', 'b', 'c'], result
[t_a, t_b, t_c].each { |t| t.reenable }
result.clear
Rake.application.options.always_multitask = true
t_c.invoke
# with multitask, task 'b' should grab the mutex first
assert_equal ['b', 'a', 'c'], result
end
def test_investigation_output
t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
task(:t2)
task(:t3)
out = t1.investigation
assert_match(/class:\s*Rake::Task/, out)
assert_match(/needed:\s*true/, out)
assert_match(/pre-requisites:\s*--t[23]/, out)
end
def test_extended_comments
desc %{
This is a comment.
And this is the extended comment.
name -- Name of task to execute.
rev -- Software revision to use.
}
t = task(:t, :name, :rev)
assert_equal "[name,rev]", t.arg_description
assert_equal "This is a comment.", t.comment
assert_match(/^\s*name -- Name/, t.full_comment)
assert_match(/^\s*rev -- Software/, t.full_comment)
assert_match(/\A\s*This is a comment\.$/, t.full_comment)
end
def test_multiple_comments
desc "line one"
t = task(:t)
desc "line two"
task(:t)
assert_equal "line one / line two", t.comment
end
def test_settable_comments
t = task(:t)
t.comment = "HI"
assert_equal "HI", t.comment
end
end
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