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require 'testing_env'
require 'cmd/update'
require 'yaml'
class UpdaterMock < Updater
def in_repo_expect(cmd, output = '')
@outputs ||= Hash.new { |h,k| h[k] = [] }
@expected ||= []
@expected << cmd
@outputs[cmd] << output
end
def `(cmd, *args)
cmd = "#{cmd} #{args*' '}".strip
if @expected.include?(cmd) and !@outputs[cmd].empty?
@called ||= []
@called << cmd
@outputs[cmd].shift
else
raise "#<#{self.class.name} #{object_id}> unexpectedly called backticks: `#{cmd}'"
end
end
alias safe_system ` #`
def expectations_met?
@expected == @called
end
end
class UpdaterTests < Test::Unit::TestCase
def fixture(name)
self.class.fixture_data[name]
end
def self.fixture_data
@fixture_data ||= load_fixture_data
end
def self.load_fixture_data
YAML.load_file(Pathname.new(ABS__FILE__).parent.realpath + 'fixtures/updater_fixture.yaml')
end
def setup
@updater = UpdaterMock.new
@report = Report.new
end
def perform_update(diff_output="")
HOMEBREW_REPOSITORY.cd do
@updater.in_repo_expect("git checkout -q master")
@updater.in_repo_expect("git rev-parse -q --verify HEAD", "1234abcd")
@updater.in_repo_expect("git config core.autocrlf false")
@updater.in_repo_expect("git pull -q origin refs/heads/master:refs/remotes/origin/master")
@updater.in_repo_expect("git rev-parse -q --verify HEAD", "3456cdef")
@updater.in_repo_expect("git diff-tree -r --raw -M85% 1234abcd 3456cdef", diff_output)
@updater.pull!
@report.merge!(@updater.report)
end
end
def test_update_homebrew_without_any_changes
perform_update
assert @updater.expectations_met?
assert @report.empty?
end
def test_update_homebrew_without_formulae_changes
perform_update(fixture('update_git_diff_output_without_formulae_changes'))
assert @updater.expectations_met?
assert @report.select_formula(:M).empty?
assert @report.select_formula(:A).empty?
assert @report.select_formula(:R).empty?
end
def test_update_homebrew_with_formulae_changes
perform_update(fixture('update_git_diff_output_with_formulae_changes'))
assert @updater.expectations_met?
assert_equal %w{ xar yajl }, @report.select_formula(:M)
assert_equal %w{ antiword bash-completion ddrescue dict lua }, @report.select_formula(:A)
assert_equal %w{ shapelib }, @report.select_formula(:R)
end
def test_update_homebrew_with_tapped_formula_changes
perform_update(fixture('update_git_diff_output_with_tapped_formulae_changes'))
assert @updater.expectations_met?
assert_equal [
Pathname('someuser-sometap/Formula/antiword.rb'),
Pathname('someuser-sometap/HomebrewFormula/lua.rb'),
Pathname('someuser-sometap/custom-formula.rb'),
], @report.tapped_formula_for(:A)
end
def test_update_homebrew_with_removed_formulae
perform_update(fixture('update_git_diff_output_with_removed_formulae'))
assert @updater.expectations_met?
assert_equal %w{libgsasl}, @report.select_formula(:D)
end
def test_update_homebrew_with_changed_filetype
perform_update(fixture('update_git_diff_output_with_changed_filetype'))
assert @updater.expectations_met?
end
end
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