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require "testing_env"
require "download_strategy"
class ResourceDouble
attr_reader :url, :specs, :version
def initialize(url = "http://example.com/foo.tar.gz", specs = {})
@url = url
@specs = specs
end
end
class AbstractDownloadStrategyTests < Homebrew::TestCase
include FileUtils
def setup
@name = "foo"
@resource = ResourceDouble.new
@strategy = AbstractDownloadStrategy.new(@name, @resource)
@args = %w[foo bar baz]
end
def test_expand_safe_system_args_with_explicit_quiet_flag
@args << { quiet_flag: "--flag" }
expanded_args = @strategy.expand_safe_system_args(@args)
assert_equal %w[foo bar baz --flag], expanded_args
end
def test_expand_safe_system_args_with_implicit_quiet_flag
expanded_args = @strategy.expand_safe_system_args(@args)
assert_equal %w[foo bar -q baz], expanded_args
end
def test_expand_safe_system_args_does_not_mutate_argument
result = @strategy.expand_safe_system_args(@args)
assert_equal %w[foo bar baz], @args
refute_same @args, result
end
def test_source_modified_time
mktemp "mtime" do
touch "foo", mtime: Time.now - 10
touch "bar", mtime: Time.now - 100
ln_s "not-exist", "baz"
assert_equal File.mtime("foo"), @strategy.source_modified_time
end
end
end
class VCSDownloadStrategyTests < Homebrew::TestCase
def test_cache_filename
resource = ResourceDouble.new("http://example.com/bar")
strategy = Class.new(VCSDownloadStrategy) do
def cache_tag
"foo"
end
end
downloader = strategy.new("baz", resource)
assert_equal HOMEBREW_CACHE.join("baz--foo"), downloader.cached_location
end
end
class GitDownloadStrategyTests < Homebrew::TestCase
include FileUtils
def setup
resource = ResourceDouble.new("https://github.com/homebrew/foo")
@commit_id = 1
@strategy = GitDownloadStrategy.new("baz", resource)
@cached_location = @strategy.cached_location
mkpath @cached_location
end
def teardown
rmtree @cached_location
end
def git_commit_all
shutup do
system "git", "add", "--all"
system "git", "commit", "-m", "commit number #{@commit_id}"
@commit_id += 1
end
end
def using_git_env
initial_env = ENV.to_hash
%w[AUTHOR COMMITTER].each do |role|
ENV["GIT_#{role}_NAME"] = "brew tests"
ENV["GIT_#{role}_EMAIL"] = "brew-tests@localhost"
ENV["GIT_#{role}_DATE"] = "Thu May 21 00:04:11 2009 +0100"
end
yield
ensure
ENV.replace(initial_env)
end
def setup_git_repo
using_git_env do
@cached_location.cd do
shutup do
system "git", "init"
system "git", "remote", "add", "origin", "https://github.com/Homebrew/homebrew-foo"
end
touch "README"
git_commit_all
end
end
end
def test_github_git_download_strategy_user_repo
resource = ResourceDouble.new("https://github.com/homebrew/brew.git")
strategy = GitHubGitDownloadStrategy.new("brew", resource)
assert_equal strategy.instance_variable_get(:@user), "homebrew"
assert_equal strategy.instance_variable_get(:@repo), "brew"
end
def test_source_modified_time
setup_git_repo
assert_equal 1242860651, @strategy.source_modified_time.to_i
end
def test_last_commit
setup_git_repo
using_git_env do
@cached_location.cd do
touch "LICENSE"
git_commit_all
end
end
assert_equal "c50c79b", @strategy.last_commit
end
def test_fetch_last_commit
remote_repo = HOMEBREW_PREFIX.join("remote_repo")
remote_repo.mkdir
resource = ResourceDouble.new("file://#{remote_repo}")
resource.instance_variable_set(:@version, Version.create("HEAD"))
@strategy = GitDownloadStrategy.new("baz", resource)
using_git_env do
remote_repo.cd do
shutup do
system "git", "init"
system "git", "remote", "add", "origin", "https://github.com/Homebrew/homebrew-foo"
end
touch "README"
git_commit_all
touch "LICENSE"
git_commit_all
end
end
@strategy.shutup!
assert_equal "c50c79b", @strategy.fetch_last_commit
ensure
remote_repo.rmtree if remote_repo.directory?
end
end
class DownloadStrategyDetectorTests < Homebrew::TestCase
def setup
@d = DownloadStrategyDetector.new
end
def test_detect_git_download_startegy
@d = DownloadStrategyDetector.detect("git://example.com/foo.git")
assert_equal GitDownloadStrategy, @d
end
def test_detect_github_git_download_strategy
@d = DownloadStrategyDetector.detect("https://github.com/homebrew/brew.git")
assert_equal GitHubGitDownloadStrategy, @d
end
def test_default_to_curl_strategy
@d = DownloadStrategyDetector.detect(Object.new)
assert_equal CurlDownloadStrategy, @d
end
def test_raises_when_passed_unrecognized_strategy
assert_raises(TypeError) do
DownloadStrategyDetector.detect("foo", Class.new)
end
end
end
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