inspec/test/unit/shell_detector_test.rb
Ryan Davis 07dc5e3192 First pass at cleaning deprecations for old minitest/spec-style tests.
3 files left to go, and they're behaving oddly so I'm leaving them out
in this pass. Looks like 21 deprecations left.

Signed-off-by: Ryan Davis <zenspider@chef.io>
2019-10-03 13:45:19 -07:00

76 lines
2 KiB
Ruby

#
require "helper"
require "rbconfig"
require "mocha/test_unit"
require "inspec/shell_detector"
module ShellDetectorTestHelpers
def no_proc
Dir.expects(:exist?).with("/proc").returns(false)
end
def with_proc(shell)
Dir.expects(:exist?).with("/proc").returns(true)
File.expects(:readlink).with("/proc/#{ppid}/exe").returns(shell)
end
def with_ps(output)
subject.expects(:'`').with("ps -cp #{ppid} -o command=").returns(output)
end
def with_env(shell)
ENV.expects(:[]).with("SHELL").returns(shell)
end
def with_pwuid(shell)
Process.expects(:uid).returns(9999)
@mock_user = Minitest::Mock.new
@mock_user.expect :shell, shell
Etc.expects(:getpwuid).with(9999).returns(@mock_user)
end
end
describe Inspec::ShellDetector do
include ShellDetectorTestHelpers
let(:subject) { Inspec::ShellDetector.new }
let(:ppid) { Process.ppid }
# Small hack to ensure we can test on windows
it "returns nil immediately if running on windows" do
RbConfig::CONFIG.expects(:[]).with("host_os").returns("mswin")
_(subject.shell!).must_be_nil
end
describe "not on windows" do
before do
RbConfig::CONFIG.expects(:[]).with("host_os").returns("beos")
end
it "detects the shell via /proc if it exists" do
with_proc("/usr/bin/fish")
_(subject.shell!).must_equal("fish")
end
it "detects via `ps` if /proc doesn't exist" do
no_proc; with_ps("/usr/bin/ksh")
_(subject.shell!).must_equal("ksh")
end
it "detects via ENV if parent process methods failed" do
no_proc; with_ps(""); with_env("fish")
_(subject.shell!).must_equal("fish")
end
it "detects via getpwuid if all else fails" do
no_proc; with_ps(""); with_env(""); with_pwuid("/usr/bin/fish")
_(subject.shell!).must_equal("fish")
@mock_user.verify
end
it "returns nil if the shell isn't in the whitelist" do
no_proc; with_ps(""); with_env("badshell"); with_pwuid("/usr/bin/badshell")
_(subject.shell!).must_be_nil
end
end
end