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capistrano/test/cli/help_test.rb

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require "#{File.dirname(__FILE__)}/../utils"
require 'capistrano/cli/help'
class CLIHelpTest < Test::Unit::TestCase
class MockCLI
attr_reader :options, :called_original
def initialize
@options = {}
@called_original = false
end
def execute_requested_actions(config)
@called_original = config
end
include Capistrano::CLI::Help
end
def setup
@cli = MockCLI.new
@cli.options[:verbose] = 0
@ui = stub("ui", :output_cols => 80, :output_rows => 20, :page_at= => nil)
MockCLI.stubs(:ui).returns(@ui)
end
def test_execute_requested_actions_without_tasks_or_explain_should_call_original
@cli.execute_requested_actions(:config)
@cli.expects(:task_list).never
@cli.expects(:explain_task).never
assert_equal :config, @cli.called_original
end
def test_execute_requested_actions_with_tasks_should_call_task_list
@cli.options[:tasks] = true
@cli.expects(:task_list).with(:config)
@cli.expects(:explain_task).never
@cli.execute_requested_actions(:config)
assert !@cli.called_original
end
def test_execute_requested_actions_with_explain_should_call_explain_task
@cli.options[:explain] = "deploy_with_niftiness"
@cli.expects(:task_list).never
@cli.expects(:explain_task).with(:config, "deploy_with_niftiness")
@cli.execute_requested_actions(:config)
assert !@cli.called_original
end
def test_task_list_with_no_tasks_should_emit_warning
config = mock("config", :task_list => [])
@cli.expects(:warn)
@cli.task_list(config)
end
def test_task_list_should_query_all_tasks_in_all_namespaces
expected_max_len = 80 - 3 - MockCLI::LINE_PADDING
task_list = [task("c"), task("g", "c:g"), task("b", "c:b"), task("a")]
task_list.each { |t| t.expects(:brief_description).with(expected_max_len).returns(t.fully_qualified_name) }
config = mock("config")
config.expects(:task_list).with(:all).returns(task_list)
@cli.stubs(:puts)
@cli.task_list(config)
end
def test_task_list_should_never_use_less_than_MIN_MAX_LEN_chars_for_descriptions
@ui.stubs(:output_cols).returns(20)
t = task("c")
t.expects(:brief_description).with(30).returns("hello")
config = mock("config", :task_list => [t])
@cli.stubs(:puts)
@cli.task_list(config)
end
def test_task_list_should_not_include_tasks_with_blank_description_or_internal_by_default
t1 = task("c")
t1.expects(:brief_description).returns("hello")
t2 = task("d", "d", "[internal] howdy")
t2.expects(:brief_description).never
t3 = task("e", "e", "")
t3.expects(:brief_description).never
config = mock("config", :task_list => [t1, t2, t3])
@cli.stubs(:puts)
@cli.expects(:puts).never.with { |s,| (s || "").include?("[internal]") || s =~ /#\s*$/ }
@cli.task_list(config)
end
def test_task_list_should_include_tasks_with_blank_descriptions_and_internal_when_verbose
t1 = task("c")
t1.expects(:brief_description).returns("hello")
t2 = task("d", "d", "[internal] howdy")
t2.expects(:brief_description).returns("[internal] howdy")
t3 = task("e", "e", "")
t3.expects(:brief_description).returns("")
config = mock("config", :task_list => [t1, t2, t3])
@cli.options[:verbose] = 1
@cli.stubs(:puts)
@cli.expects(:puts).with { |s,| (s || "").include?("[internal]") || s =~ /#\s*$/ }.at_least_once
@cli.task_list(config)
end
def test_explain_task_should_warn_if_task_does_not_exist
config = mock("config", :find_task => nil)
@cli.expects(:warn).with { |s,| s =~ /`deploy_with_niftiness'/ }
@cli.explain_task(config, "deploy_with_niftiness")
end
def test_explain_task_with_task_that_has_no_description_should_emit_stub
t = mock("task", :description => "")
config = mock("config")
config.expects(:find_task).with("deploy_with_niftiness").returns(t)
@cli.stubs(:puts)
@cli.expects(:puts).with("There is no description for this task.")
@cli.explain_task(config, "deploy_with_niftiness")
end
def test_explain_task_with_task_should_format_description
t = stub("task", :description => "line1\nline2\n\nline3")
config = mock("config", :find_task => t)
@cli.stubs(:puts)
@cli.explain_task(config, "deploy_with_niftiness")
end
def test_long_help_should_load_and_format_help_txt_file
File.expects(:dirname).returns "a/b/c"
File.expects(:read).with("a/b/c/help.txt").returns("text")
@ui.expects(:say).with("text\n")
@cli.long_help
end
private
def task(name, fqn=name, desc="a description")
stub("task", :name => name, :fully_qualified_name => fqn, :description => desc)
end
end