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# frozen_string_literal: true
require_relative "helper"
require "rubygems/package"
require "rubygems/security"
require "rubygems/commands/fetch_command"
class TestGemCommandsFetchCommand < Gem::TestCase
def setup
super
@cmd = Gem::Commands::FetchCommand.new
end
def test_execute
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 2
end
assert_path_not_exist File.join(@tempdir, "cache"), "sanity check"
@cmd.options[:args] = %w[a]
execute_with_exit_code
a2 = specs["a-2"]
assert_path_exist(File.join(@tempdir, a2.file_name),
"#{a2.full_name} not fetched")
assert_path_not_exist File.join(@tempdir, "cache"),
"gem repository directories must not be created"
end
def test_execute_latest
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 1
fetcher.gem "a", 2
end
assert_path_not_exist File.join(@tempdir, "cache"), "sanity check"
@cmd.options[:args] = %w[a]
@cmd.options[:version] = req(">= 0.1")
execute_with_exit_code
a2 = specs["a-2"]
assert_path_exist(File.join(@tempdir, a2.file_name),
"#{a2.full_name} not fetched")
assert_path_not_exist File.join(@tempdir, "cache"),
"gem repository directories must not be created"
end
def test_execute_prerelease
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 2
fetcher.gem "a", "2.a"
end
@cmd.options[:args] = %w[a]
@cmd.options[:prerelease] = true
execute_with_exit_code
a2 = specs["a-2"]
assert_path_exist(File.join(@tempdir, a2.file_name),
"#{a2.full_name} not fetched")
end
def test_execute_platform
a2_spec, a2 = util_gem("a", "2")
a2_universal_darwin_spec, a2_universal_darwin = util_gem("a", "2") do |s|
s.platform = "universal-darwin"
end
Gem::RemoteFetcher.fetcher = @fetcher = Gem::FakeFetcher.new
write_marshalled_gemspecs(a2_spec, a2_universal_darwin_spec)
@cmd.options[:args] = %w[a]
@fetcher.data["#{@gem_repo}latest_specs.#{Gem.marshal_version}.gz"] = util_gzip(Marshal.dump([
Gem::NameTuple.new(a2_spec.name, a2_spec.version, a2_spec.platform),
Gem::NameTuple.new(a2_universal_darwin_spec.name, a2_universal_darwin_spec.version, a2_universal_darwin_spec.platform),
]))
@fetcher.data["#{@gem_repo}gems/#{a2_spec.file_name}"] = Gem.read_binary(a2)
FileUtils.cp a2, a2_spec.cache_file
@fetcher.data["#{@gem_repo}gems/#{a2_universal_darwin_spec.file_name}"] = Gem.read_binary(a2_universal_darwin)
FileUtils.cp a2_universal_darwin, a2_universal_darwin_spec.cache_file
util_set_arch "arm64-darwin20" do
execute_with_exit_code
end
assert_path_exist(File.join(@tempdir, a2_universal_darwin_spec.file_name),
"#{a2_universal_darwin_spec.full_name} not fetched")
end
def test_execute_specific_prerelease
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 2
fetcher.gem "a", "2.a"
end
@cmd.options[:args] = %w[a]
@cmd.options[:prerelease] = true
@cmd.options[:version] = "2.a"
execute_with_exit_code
a2_pre = specs["a-2.a"]
assert_path_exist(File.join(@tempdir, a2_pre.file_name),
"#{a2_pre.full_name} not fetched")
end
def test_execute_version
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 1
fetcher.gem "a", 2
end
@cmd.options[:args] = %w[a]
@cmd.options[:version] = Gem::Requirement.new "1"
execute_with_exit_code
a1 = specs["a-1"]
assert_path_exist(File.join(@tempdir, a1.file_name),
"#{a1.full_name} not fetched")
end
def test_execute_version_specified_by_colon
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 1
end
@cmd.options[:args] = %w[a:1]
execute_with_exit_code
a1 = specs["a-1"]
assert_path_exist(File.join(@tempdir, a1.file_name),
"#{a1.full_name} not fetched")
end
def test_execute_two_version
@cmd.options[:args] = %w[a b]
@cmd.options[:version] = Gem::Requirement.new "1"
execute_with_term_error
msg = "ERROR: Can't use --version with multiple gems. You can specify multiple gems with" \
" version requirements using `gem fetch 'my_gem:1.0.0' 'my_other_gem:~>2.0.0'`"
assert_empty @ui.output
assert_equal msg, @ui.error.chomp
end
def test_execute_two_version_specified_by_colon
specs = spec_fetcher do |fetcher|
fetcher.gem "a", 1
fetcher.gem "b", 1
end
@cmd.options[:args] = %w[a:1 b:1]
execute_with_exit_code
a1 = specs["a-1"]
b1 = specs["b-1"]
assert_path_exist(File.join(@tempdir, a1.file_name),
"#{a1.full_name} not fetched")
assert_path_exist(File.join(@tempdir, b1.file_name),
"#{b1.full_name} not fetched")
end
def test_execute_version_nonexistent
spec_fetcher do |fetcher|
fetcher.spec "foobar", 1
end
@cmd.options[:args] = %w[foobar:2]
execute_with_term_error
expected = <<-EXPECTED
ERROR: Could not find a valid gem 'foobar' (2) in any repository
ERROR: Possible alternatives: foobar
EXPECTED
assert_equal expected, @ui.error
end
def test_execute_nonexistent_hint_disabled
spec_fetcher do |fetcher|
fetcher.spec "foobar", 1
end
@cmd.options[:args] = %w[foobar:2]
@cmd.options[:suggest_alternate] = false
execute_with_term_error
expected = <<-EXPECTED
ERROR: Could not find a valid gem 'foobar' (2) in any repository
EXPECTED
assert_equal expected, @ui.error
end
private
def execute_with_term_error
use_ui @ui do
assert_raise Gem::MockGemUi::TermError, @ui.error do
@cmd.execute
end
end
end
def execute_with_exit_code
use_ui @ui do
Dir.chdir @tempdir do
assert_raise Gem::MockGemUi::SystemExitException, @ui.error do
@cmd.execute
end
end
end
end
end
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