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# frozen_string_literal: true
require_relative "helper"
require "rubygems/commands/build_command"
require "rubygems/commands/rebuild_command"
require "rubygems/package"
class TestGemCommandsRebuildCommand < Gem::TestCase
def setup
super
readme_file = File.join(@tempdir, "README.md")
begin
umask_orig = File.umask(2)
File.open readme_file, "w" do |f|
f.write "My awesome gem"
end
ensure
File.umask(umask_orig)
end
@gem_name = "rebuild_test_gem"
@gem_version = "1.0.0"
@gem = util_spec @gem_name do |s|
s.version = @gem_version
s.license = "AGPL-3.0"
s.files = ["README.md"]
end
end
def util_test_build_gem(gem, args)
@ui = Gem::MockGemUi.new
cmd = Gem::Commands::BuildCommand.new
cmd.options[:args] = args
cmd.options[:build_path] = @tempdir
use_ui @ui do
cmd.execute
end
gem_file = "#{@gem_name}-#{@gem_version}.gem"
output = @ui.output.split "\n"
assert_equal " Successfully built RubyGem", output.shift
assert_equal " Name: #{@gem_name}", output.shift
assert_equal " Version: #{@gem_version}", output.shift
assert_equal " File: #{gem_file}", output.shift
assert_equal [], output
gem_file = File.join(@tempdir, gem_file)
assert File.exist?(gem_file)
spec = Gem::Package.new(gem_file).spec
assert_equal @gem_name, spec.name
assert_equal "this is a summary", spec.summary
gem_file
end
def util_test_rebuild_gem(gem, args, original_gem_file, gemspec_file, timestamp)
@ui = Gem::MockGemUi.new
cmd = Gem::Commands::RebuildCommand.new
cmd.options[:args] = args
cmd.options[:original_gem_file] = original_gem_file
cmd.options[:build_path] = @tempdir
cmd.options[:gemspec_file] = gemspec_file
use_ui @ui do
cmd.execute
end
gem_file = "#{@gem_name}-#{@gem_version}.gem"
output = @ui.output.split "\n"
assert_equal " Successfully built RubyGem", output.shift
assert_equal " Name: #{@gem_name}", output.shift
assert_equal " Version: #{@gem_version}", output.shift
assert_equal " File: #{gem_file}", output.shift
assert_empty output.shift
assert_match(/^Built at: .+ \(#{timestamp}\)/, output.shift)
original_line = output.shift
original = original_line.split(" ")[-1]
assert_match(/^Original build saved to: /, original_line)
reproduced_line = output.shift
reproduced = reproduced_line.split(" ")[-1]
assert_match(/^Reproduced build saved to: /, reproduced_line)
assert_equal "Working directory: #{@tempdir}", output.shift
assert_equal "", output.shift
assert_equal "Hash comparison:", output.shift
output.shift # " #{old_hash}\t#{old_file}"
output.shift # " #{new_hash}\t#{new_file}"
assert_empty output.shift
assert_equal "SUCCESS - original and rebuild hashes matched", output.shift
assert_equal [], output
assert File.exist?(original)
assert File.exist?(reproduced)
old_spec = Gem::Package.new(original).spec
new_spec = Gem::Package.new(reproduced).spec
assert_equal @gem_name, old_spec.name
assert_equal "this is a summary", old_spec.summary
assert_equal old_spec.name, new_spec.name
assert_equal old_spec.summary, new_spec.summary
reproduced
end
def test_build_is_reproducible
# Back up SOURCE_DATE_EPOCH to restore later.
epoch = ENV["SOURCE_DATE_EPOCH"]
gemspec_file = File.join(@tempdir, @gem.spec_name)
# Initial Build
# Set SOURCE_DATE_EPOCH to 2001-02-03 04:05:06 -0500.
ENV["SOURCE_DATE_EPOCH"] = timestamp = Time.new(2001, 2, 3, 4, 5, 6).to_i.to_s
File.write(gemspec_file, @gem.to_ruby)
gem_file = util_test_build_gem @gem, [gemspec_file]
build_contents = File.read(gem_file)
gem_file_dir = File.dirname(gem_file)
gem_file_name = File.basename(gem_file)
original_gem_file = File.join(gem_file_dir, "original-" + gem_file_name)
File.rename(gem_file, original_gem_file)
# Rebuild
# Set SOURCE_DATE_EPOCH to a different value, meaning we are
# also testing that `gem rebuild` overrides the value.
ENV["SOURCE_DATE_EPOCH"] = Time.new(2007, 8, 9, 10, 11, 12).to_s
rebuild_gem_file = util_test_rebuild_gem(@gem, [@gem_name, @gem_version], original_gem_file, gemspec_file, timestamp)
rebuild_contents = File.read(rebuild_gem_file)
assert_equal build_contents, rebuild_contents
ensure
ENV["SOURCE_DATE_EPOCH"] = epoch
end
end
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