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# frozen_string_literal: true
require "spec_helper"
describe Bundler::SharedHelpers do
let(:ext_lock_double) { double(:ext_lock) }
before do
allow(Bundler.rubygems).to receive(:ext_lock).and_return(ext_lock_double)
allow(ext_lock_double).to receive(:synchronize) {|&block| block.call }
end
subject { Bundler::SharedHelpers }
describe "#default_gemfile" do
before { ENV["BUNDLE_GEMFILE"] = "/path/Gemfile" }
context "Gemfile is present" do
let(:expected_gemfile_path) { Pathname.new("/path/Gemfile") }
it "returns the Gemfile path" do
expect(subject.default_gemfile).to eq(expected_gemfile_path)
end
end
context "Gemfile is not present" do
before { ENV["BUNDLE_GEMFILE"] = nil }
it "raises a GemfileNotFound error" do
expect { subject.default_gemfile }.to raise_error(
Bundler::GemfileNotFound, "Could not locate Gemfile")
end
end
end
describe "#default_lockfile" do
context "gemfile is gems.rb" do
let(:gemfile_path) { Pathname.new("/path/gems.rb") }
let(:expected_lockfile_path) { Pathname.new("/path/gems.locked") }
before { allow(subject).to receive(:default_gemfile).and_return(gemfile_path) }
it "returns the gems.locked path" do
expect(subject.default_lockfile).to eq(expected_lockfile_path)
end
end
context "is a regular Gemfile" do
let(:gemfile_path) { Pathname.new("/path/Gemfile") }
let(:expected_lockfile_path) { Pathname.new("/path/Gemfile.lock") }
before { allow(subject).to receive(:default_gemfile).and_return(gemfile_path) }
it "returns the lock file path" do
expect(subject.default_lockfile).to eq(expected_lockfile_path)
end
end
end
describe "#default_bundle_dir" do
context ".bundle does not exist" do
it "returns nil" do
expect(subject.default_bundle_dir).to be_nil
end
end
context ".bundle is global .bundle" do
let(:global_rubygems_dir) { Pathname.new("#{bundled_app}") }
before do
Dir.mkdir ".bundle"
allow(Bundler.rubygems).to receive(:user_home).and_return(global_rubygems_dir)
end
it "returns nil" do
expect(subject.default_bundle_dir).to be_nil
end
end
context ".bundle is not global .bundle" do
let(:global_rubygems_dir) { Pathname.new("/path/rubygems") }
let(:expected_bundle_dir_path) { Pathname.new("#{bundled_app}/.bundle") }
before do
Dir.mkdir ".bundle"
allow(Bundler.rubygems).to receive(:user_home).and_return(global_rubygems_dir)
end
it "returns the .bundle path" do
expect(subject.default_bundle_dir).to eq(expected_bundle_dir_path)
end
end
end
describe "#in_bundle?" do
it "calls the find_gemfile method" do
expect(subject).to receive(:find_gemfile)
subject.in_bundle?
end
shared_examples_for "correctly determines whether to return a Gemfile path" do
context "currently in directory with a Gemfile" do
before { File.new("Gemfile", "w") }
it "returns path of the bundle gemfile" do
expect(subject.in_bundle?).to eq("#{bundled_app}/Gemfile")
end
end
context "currently in directory without a Gemfile" do
it "returns nil" do
expect(subject.in_bundle?).to be_nil
end
end
end
context "ENV['BUNDLE_GEMFILE'] set" do
before { ENV["BUNDLE_GEMFILE"] = "/path/Gemfile" }
it "returns ENV['BUNDLE_GEMFILE']" do
expect(subject.in_bundle?).to eq("/path/Gemfile")
end
end
context "ENV['BUNDLE_GEMFILE'] not set" do
before { ENV["BUNDLE_GEMFILE"] = nil }
it_behaves_like "correctly determines whether to return a Gemfile path"
end
context "ENV['BUNDLE_GEMFILE'] is blank" do
before { ENV["BUNDLE_GEMFILE"] = "" }
it_behaves_like "correctly determines whether to return a Gemfile path"
end
end
describe "#chdir" do
let(:op_block) { proc { Dir.mkdir "nested_dir" } }
before { Dir.mkdir "chdir_test_dir" }
it "executes the passed block while in the specified directory" do
subject.chdir("chdir_test_dir", &op_block)
expect(Pathname.new("chdir_test_dir/nested_dir")).to exist
end
end
describe "#pwd" do
it "returns the current absolute path" do
expect(subject.pwd).to eq(bundled_app)
end
end
describe "#with_clean_git_env" do
let(:with_clean_git_env_block) { proc { Dir.mkdir "with_clean_git_env_test_dir" } }
before do
ENV["GIT_DIR"] = "ORIGINAL_ENV_GIT_DIR"
ENV["GIT_WORK_TREE"] = "ORIGINAL_ENV_GIT_WORK_TREE"
end
it "executes the passed block" do
subject.with_clean_git_env(&with_clean_git_env_block)
expect(Pathname.new("with_clean_git_env_test_dir")).to exist
end
context "when a block is passed" do
let(:with_clean_git_env_block) do
proc do
Dir.mkdir "git_dir_test_dir" unless ENV["GIT_DIR"].nil?
Dir.mkdir "git_work_tree_test_dir" unless ENV["GIT_WORK_TREE"].nil?
end end
it "uses a fresh git env for execution" do
subject.with_clean_git_env(&with_clean_git_env_block)
expect(Pathname.new("git_dir_test_dir")).to_not exist
expect(Pathname.new("git_work_tree_test_dir")).to_not exist
end
end
context "passed block does not throw errors" do
let(:with_clean_git_env_block) do
proc do
ENV["GIT_DIR"] = "NEW_ENV_GIT_DIR"
ENV["GIT_WORK_TREE"] = "NEW_ENV_GIT_WORK_TREE"
end end
it "restores the git env after" do
subject.with_clean_git_env(&with_clean_git_env_block)
expect(ENV["GIT_DIR"]).to eq("ORIGINAL_ENV_GIT_DIR")
expect(ENV["GIT_WORK_TREE"]).to eq("ORIGINAL_ENV_GIT_WORK_TREE")
end
end
context "passed block throws errors" do
let(:with_clean_git_env_block) do
proc do
ENV["GIT_DIR"] = "NEW_ENV_GIT_DIR"
ENV["GIT_WORK_TREE"] = "NEW_ENV_GIT_WORK_TREE"
raise RuntimeError.new
end end
it "restores the git env after" do
expect { subject.with_clean_git_env(&with_clean_git_env_block) }.to raise_error(RuntimeError)
expect(ENV["GIT_DIR"]).to eq("ORIGINAL_ENV_GIT_DIR")
expect(ENV["GIT_WORK_TREE"]).to eq("ORIGINAL_ENV_GIT_WORK_TREE")
end
end
end
describe "#set_bundle_environment" do
shared_examples_for "ENV['PATH'] gets set correctly" do
before { Dir.mkdir ".bundle" }
it "ensures bundle bin path is in ENV['PATH']" do
subject.set_bundle_environment
paths = ENV["PATH"].split(File::PATH_SEPARATOR)
expect(paths).to include("#{Bundler.bundle_path}/bin")
end
end
shared_examples_for "ENV['RUBYOPT'] gets set correctly" do
it "ensures -rbundler/setup is at the beginning of ENV['RUBYOPT']" do
subject.set_bundle_environment
expect(ENV["RUBYOPT"].split(" ").first).to include("-rbundler/setup")
end
end
shared_examples_for "ENV['RUBYLIB'] gets set correctly" do
let(:ruby_lib_path) { "stubbed_ruby_lib_dir" }
before { allow(File).to receive(:expand_path).and_return(ruby_lib_path) }
it "ensures bundler's ruby version lib path is in ENV['RUBYLIB']" do
subject.set_bundle_environment
paths = (ENV["RUBYLIB"]).split(File::PATH_SEPARATOR)
expect(paths).to include(ruby_lib_path)
end
end
it "calls the appropriate set methods" do
expect(subject).to receive(:set_path)
expect(subject).to receive(:set_rubyopt)
expect(subject).to receive(:set_rubylib)
subject.set_bundle_environment
end
context "ENV['PATH'] does not exist" do
before { ENV.delete("PATH") }
it_behaves_like "ENV['PATH'] gets set correctly"
end
context "ENV['PATH'] is empty" do
before { ENV["PATH"] = "" }
it_behaves_like "ENV['PATH'] gets set correctly"
end
context "ENV['PATH'] exists" do
before { ENV["PATH"] = "/some_path/bin" }
it_behaves_like "ENV['PATH'] gets set correctly"
end
context "ENV['PATH'] already contains the bundle bin path" do
let(:bundle_path) { "#{Bundler.bundle_path}/bin" }
before do
ENV["PATH"] = bundle_path
end
it_behaves_like "ENV['PATH'] gets set correctly"
it "ENV['PATH'] should only contain one instance of bundle bin path" do
subject.set_bundle_environment
paths = (ENV["PATH"]).split(File::PATH_SEPARATOR)
expect(paths.count(bundle_path)).to eq(1)
end
end
context "ENV['RUBYOPT'] does not exist" do
before { ENV.delete("RUBYOPT") }
it_behaves_like "ENV['RUBYOPT'] gets set correctly"
end
context "ENV['RUBYOPT'] exists without -rbundler/setup" do
before { ENV["RUBYOPT"] = "-I/some_app_path/lib" }
it_behaves_like "ENV['RUBYOPT'] gets set correctly"
end
context "ENV['RUBYOPT'] exists and contains -rbundler/setup" do
before { ENV["RUBYOPT"] = "-rbundler/setup" }
it_behaves_like "ENV['RUBYOPT'] gets set correctly"
end
context "ENV['RUBYLIB'] does not exist" do
before { ENV.delete("RUBYLIB") }
it_behaves_like "ENV['RUBYLIB'] gets set correctly"
end
context "ENV['RUBYLIB'] is empty" do
before { ENV["PATH"] = "" }
it_behaves_like "ENV['RUBYLIB'] gets set correctly"
end
context "ENV['RUBYLIB'] exists" do
before { ENV["PATH"] = "/some_path/bin" }
it_behaves_like "ENV['RUBYLIB'] gets set correctly"
end
context "ENV['RUBYLIB'] already contains the bundler's ruby version lib path" do
let(:ruby_lib_path) { "stubbed_ruby_lib_dir" }
before do
allow(File).to receive(:expand_path).and_return(ruby_lib_path)
ENV["RUBYLIB"] = ruby_lib_path
end
it_behaves_like "ENV['RUBYLIB'] gets set correctly"
it "ENV['RUBYLIB'] should only contain one instance of bundler's ruby version lib path" do
subject.set_bundle_environment
paths = (ENV["RUBYLIB"]).split(File::PATH_SEPARATOR)
expect(paths.count(ruby_lib_path)).to eq(1)
end
end
end
describe "#filesystem_access" do
context "system has proper permission access" do
let(:file_op_block) { proc {|path| FileUtils.mkdir_p(path) } }
it "performs the operation in the passed block" do
subject.filesystem_access("./test_dir", &file_op_block)
expect(Pathname.new("test_dir")).to exist
end
end
context "system throws Errno::EACESS" do
let(:file_op_block) { proc {|_path| raise Errno::EACCES } }
it "raises a PermissionError" do
expect { subject.filesystem_access("/path", &file_op_block) }.to raise_error(
Bundler::PermissionError)
end
end
context "system throws Errno::EAGAIN" do
let(:file_op_block) { proc {|_path| raise Errno::EAGAIN } }
it "raises a TemporaryResourceError" do
expect { subject.filesystem_access("/path", &file_op_block) }.to raise_error(
Bundler::TemporaryResourceError)
end
end
context "system throws Errno::EPROTO" do
let(:file_op_block) { proc {|_path| raise Errno::EPROTO } }
it "raises a VirtualProtocolError" do
expect { subject.filesystem_access("/path", &file_op_block) }.to raise_error(
Bundler::VirtualProtocolError)
end
end
context "system throws Errno::ENOTSUP" do
let(:file_op_block) { proc {|_path| raise Errno::ENOTSUP } }
it "raises a OperationNotSupportedError" do
expect { subject.filesystem_access("/path", &file_op_block) }.to raise_error(
Bundler::OperationNotSupportedError)
end
end
end
describe "#const_get_safely" do
module TargetNamespace
VALID_CONSTANT = 1
end
context "when the namespace does have the requested constant" do
it "returns the value of the requested constant" do
expect(subject.const_get_safely(:VALID_CONSTANT, TargetNamespace)).to eq(1)
end
end
context "when the requested constant is passed as a string" do
it "returns the value of the requested constant" do
expect(subject.const_get_safely("VALID_CONSTANT", TargetNamespace)).to eq(1)
end
end
context "when the namespace does not have the requested constant" do
it "returns nil" do
expect(subject.const_get_safely("INVALID_CONSTANT", TargetNamespace)).to be_nil
end
end
end
end
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