brew/Library/Homebrew/test/utils/copy_spec.rb
2024-06-12 19:30:04 +09:00

147 lines
4.5 KiB
Ruby

# frozen_string_literal: true
require "system_command"
require "utils/copy"
RSpec.describe Utils::Copy do
let(:path) { Pathname(Dir.mktmpdir) }
let(:source) { path/"source" }
let(:target) { path/"target" }
RSpec.shared_examples "copies files" do |method_name|
context "when the source is a regular file" do
before do
source.write "foo"
FileUtils.touch source, mtime: 42
end
it "copies the file and preserves its attributes" do
expect(target.exist?).to be(false)
described_class.public_send(method_name, source, target)
expect(target.file?).to be(true)
expect(target.read).to eq(source.read)
expect(target.mtime).to eq(source.mtime)
end
end
context "when the source is a list of files and the target is a directory" do
let(:source) { [path/"file1", path/"file2"] }
let(:target_children) { [target/"file1", target/"file2"] }
before do
source.each do |source|
source.write("foo")
FileUtils.touch source, mtime: 42
end
target.mkpath
end
it "copies the files and preserves their attributes" do
expect(target_children.map(&:exist?)).to all be(false)
described_class.public_send(method_name, source, target)
expect(target_children.map(&:file?)).to all be(true)
target_children.zip(source) do |target, source|
expect(target.read).to eq(source.read)
expect(target.mtime).to eq(source.mtime)
end
end
end
end
RSpec.shared_context "with macOS version" do |version|
before do
allow(MacOS).to receive(:version).and_return(MacOSVersion.new(version))
end
end
RSpec.shared_examples ".*with_attributes" do |method_name, fileutils_method_name|
context "when running on macOS Sonoma or later", :needs_macos do
include_context "with macOS version", "14"
include_examples "copies files", method_name
it "executes `cp` command with `-c` flag" do
expect(SystemCommand).to receive(:run!).with(
a_string_ending_with("cp"),
hash_including(args: include("-c").and(end_with(source, target))),
)
described_class.public_send(method_name, source, target)
end
end
context "when running on Linux or macOS Ventura or earlier" do
include_context "with macOS version", "13" if OS.mac?
include_examples "copies files", method_name
it "uses `FileUtils.#{fileutils_method_name}`" do
expect(SystemCommand).not_to receive(:run!)
expect(FileUtils).to receive(fileutils_method_name).with(source, target, hash_including(preserve: true))
described_class.public_send(method_name, source, target)
end
context "when `force_command` is set" do
it "executes `cp` command without `-c` flag" do
expect(SystemCommand).to receive(:run!).with(
a_string_ending_with("cp"),
hash_including(args: exclude("-c").and(end_with(source, target))),
)
described_class.public_send(method_name, source, target, force_command: true)
end
end
end
end
describe ".with_attributes" do
include_examples ".*with_attributes", :with_attributes, :cp
end
describe ".recursive_with_attributes" do
RSpec.shared_examples "copies directory" do
context "when the source is a directory" do
before do
FileUtils.mkpath source, mode: 0742
(source/"child").tap do |child|
child.write "foo"
FileUtils.touch child, mtime: 42
end
end
it "copies the directory recursively and preserves its attributes" do
expect(target.exist?).to be(false)
described_class.recursive_with_attributes(source, target)
expect(target.directory?).to be(true)
expect(target.stat.mode).to be(source.stat.mode)
[source/"child", target/"child"].tap do |source, target|
expect(target.file?).to be(true)
expect(target.read).to eq(source.read)
expect(target.mtime).to eq(source.mtime)
end
end
end
end
include_examples ".*with_attributes", :recursive_with_attributes, :cp_r
context "when running on macOS Sonoma or later", :needs_macos do
include_context "with macOS version", "14"
include_examples "copies directory"
end
context "when running on Linux or macOS Ventura or earlier" do
include_context "with macOS version", "13" if OS.mac?
include_examples "copies directory"
end
end
end