# frozen_string_literal: true

#######################################################################
# sys_proctable_linux_spec.rb
#
# Test suite for the Linux version of the sys-proctable library. You
# should run these tests via the 'rake spec' task.
#######################################################################
require 'spec_helper'

RSpec.describe Sys::ProcTable, :linux do
  let(:fields){
    %w[
      cmdline cwd environ exe fd root pid name uid euid gid egid comm state ppid pgrp
      session tty_nr tpgid flags minflt cminflt majflt cmajflt utime
      stime cutime cstime priority nice num_threads itrealvalue starttime vsize
      rss rlim rsslim startcode endcode startstack kstkesp kstkeip signal blocked
      sigignore sigcatch wchan nswap cnswap exit_signal processor rt_priority
      policy delayacct_blkio_ticks guest_time cguest_time pctcpu pctmem nlwp cgroup smaps
    ]
  }

  before(:context) do
    @subject ||= described_class.ps.last
  end

  context 'struct members' do
    it 'contains a cmdline member and returns the expected value' do
      expect(@subject).to respond_to(:cmdline)
      expect(@subject.cmdline).to be_kind_of(String)
    end

    it 'contains a cwd member and returns the expected value' do
      expect(@subject).to respond_to(:cwd)
      expect(@subject.cwd).to be_kind_of(String) if @subject.cwd
    end

    it 'contains a environ member and returns the expected value' do
      expect(@subject).to respond_to(:environ)
      expect(@subject.environ).to be_kind_of(Hash)
    end

    it 'contains an exe member and returns the expected value' do
      expect(@subject).to respond_to(:exe)
      expect(@subject.exe).to be_kind_of(String) if @subject.exe
    end

    it 'contains an fd member and returns the expected value' do
      expect(@subject).to respond_to(:fd)
      expect(@subject.fd).to be_kind_of(Hash)
    end

    it 'contains a root member and returns the expected value' do
      expect(@subject).to respond_to(:root)
      expect(@subject.root).to be_kind_of(String) if @subject.root
    end

    it 'contains a pid member and returns the expected value' do
      expect(@subject).to respond_to(:pid)
      expect(@subject.pid).to be_kind_of(Integer)
    end

    it 'contains a comm member and returns the expected value' do
      expect(@subject).to respond_to(:comm)
      expect(@subject.comm).to be_kind_of(String)
    end

    it 'contains a state member and returns the expected value' do
      expect(@subject).to respond_to(:state)
      expect(@subject.state).to be_kind_of(String)
    end

    it 'contains a ppid member and returns the expected value' do
      expect(@subject).to respond_to(:ppid)
      expect(@subject.ppid).to be_kind_of(Integer)
    end

    it 'contains a pgrp member and returns the expected value' do
      expect(@subject).to respond_to(:pgrp)
      expect(@subject.pgrp).to be_kind_of(Integer)
    end

    it 'contains a session member and returns the expected value' do
      expect(@subject).to respond_to(:session)
      expect(@subject.session).to be_kind_of(Integer)
    end

    it 'contains a tty_nr member and returns the expected value' do
      expect(@subject).to respond_to(:tty_nr)
      expect(@subject.tty_nr).to be_kind_of(Integer)
    end

    it 'contains a tpgid member and returns the expected value' do
      expect(@subject).to respond_to(:tpgid)
      expect(@subject.tpgid).to be_kind_of(Integer)
    end

    it 'contains a flags member and returns the expected value' do
      expect(@subject).to respond_to(:flags)
      expect(@subject.flags).to be_kind_of(Numeric)
    end

    it 'contains a minflt member and returns the expected value' do
      expect(@subject).to respond_to(:minflt)
      expect(@subject.minflt).to be_kind_of(Numeric)
    end

    it 'contains a cminflt member and returns the expected value' do
      expect(@subject).to respond_to(:cminflt)
      expect(@subject.cminflt).to be_kind_of(Numeric)
    end

    it 'contains a majflt member and returns the expected value' do
      expect(@subject).to respond_to(:majflt)
      expect(@subject.majflt).to be_kind_of(Numeric)
    end

    it 'contains a cmajflt member and returns the expected value' do
      expect(@subject).to respond_to(:cmajflt)
      expect(@subject.cmajflt).to be_kind_of(Numeric)
    end

    it 'contains a utime member and returns the expected value' do
      expect(@subject).to respond_to(:utime)
      expect(@subject.utime).to be_kind_of(Numeric)
    end

    it 'contains a stime member and returns the expected value' do
      expect(@subject).to respond_to(:stime)
      expect(@subject.stime).to be_kind_of(Numeric)
    end

    it 'contains a cutime member and returns the expected value' do
      expect(@subject).to respond_to(:cutime)
      expect(@subject.cutime).to be_kind_of(Numeric)
    end

    it 'contains a cstime member and returns the expected value' do
      expect(@subject).to respond_to(:cstime)
      expect(@subject.cstime).to be_kind_of(Numeric)
    end

    it 'contains a priority member and returns the expected value' do
      expect(@subject).to respond_to(:priority)
      expect(@subject.priority).to be_kind_of(Numeric)
    end

    it 'contains a nice member and returns the expected value' do
      expect(@subject).to respond_to(:nice)
      expect(@subject.nice).to be_kind_of(Numeric)
    end

    it 'contains a num_threads member and returns the expected value' do
      expect(@subject).to respond_to(:num_threads)
      expect(@subject.num_threads).to be_kind_of(Numeric)
    end

    it 'contains a itrealvalue member and returns the expected value' do
      expect(@subject).to respond_to(:itrealvalue)
      expect(@subject.itrealvalue).to be_kind_of(Numeric)
    end

    it 'contains a starttime member and returns the expected value' do
      expect(@subject).to respond_to(:starttime)
      expect(@subject.starttime).to be_kind_of(Numeric)
    end

    it 'contains a vsize member and returns the expected value' do
      expect(@subject).to respond_to(:vsize)
      expect(@subject.vsize).to be_kind_of(Numeric)
    end

    it 'contains a rss member and returns the expected value' do
      expect(@subject).to respond_to(:rss)
      expect(@subject.rss).to be_kind_of(Numeric)
    end

    it 'contains an rsslim member and returns the expected value' do
      expect(@subject).to respond_to(:rsslim)
      expect(@subject.rsslim).to be_kind_of(Numeric)
      expect(@subject.rsslim).to eq(@subject.rlim)
    end

    it 'contains an startcode member and returns the expected value' do
      expect(@subject).to respond_to(:startcode)
      expect(@subject.startcode).to be_kind_of(Numeric)
    end

    it 'contains an endcode member and returns the expected value' do
      expect(@subject).to respond_to(:endcode)
      expect(@subject.endcode).to be_kind_of(Numeric)
    end

    it 'contains a startstack member and returns the expected value' do
      expect(@subject).to respond_to(:startstack)
      expect(@subject.startstack).to be_kind_of(Integer)
    end

    it 'contains a kstkesp member and returns the expected value' do
      expect(@subject).to respond_to(:kstkesp)
      expect(@subject.kstkesp).to be_kind_of(Integer)
    end

    it 'contains a kstkeip member and returns the expected value' do
      expect(@subject).to respond_to(:kstkeip)
      expect(@subject.kstkeip).to be_kind_of(Integer)
    end

    it 'contains a signal member and returns the expected value' do
      expect(@subject).to respond_to(:signal)
      expect(@subject.signal).to be_kind_of(Integer)
    end

    it 'contains a blocked member and returns the expected value' do
      expect(@subject).to respond_to(:blocked)
      expect(@subject.blocked).to be_kind_of(Integer)
    end

    it 'contains a sigignore member and returns the expected value' do
      expect(@subject).to respond_to(:sigignore)
      expect(@subject.sigignore).to be_kind_of(Integer)
    end

    it 'contains a sigcatch member and returns the expected value' do
      expect(@subject).to respond_to(:sigcatch)
      expect(@subject.sigcatch).to be_kind_of(Integer)
    end

    it 'contains a wchan member and returns the expected value' do
      expect(@subject).to respond_to(:wchan)
      expect(@subject.wchan).to be_kind_of(Integer)
    end

    it 'contains a nswap member and returns the expected value' do
      expect(@subject).to respond_to(:nswap)
      expect(@subject.nswap).to be_kind_of(Integer)
    end

    it 'contains a cnswap member and returns the expected value' do
      expect(@subject).to respond_to(:cnswap)
      expect(@subject.cnswap).to be_kind_of(Integer)
    end

    it 'contains a exit_signal member and returns the expected value' do
      expect(@subject).to respond_to(:exit_signal)
      expect(@subject.exit_signal).to be_kind_of(Integer)
    end

    it 'contains a processor member and returns the expected value' do
      expect(@subject).to respond_to(:processor)
      expect(@subject.processor).to be_kind_of(Integer)
    end

    it 'contains a rt_priority member and returns the expected value' do
      expect(@subject).to respond_to(:rt_priority)
      expect(@subject.rt_priority).to be_kind_of(Integer)
    end

    it 'contains a policy member and returns the expected value' do
      expect(@subject).to respond_to(:policy)
      expect(@subject.policy).to be_kind_of(Integer)
    end

    it 'contains a delayacct_blkio_ticks member and returns the expected value' do
      expect(@subject).to respond_to(:delayacct_blkio_ticks)
      expect(@subject.delayacct_blkio_ticks).to be_kind_of(Integer)
    end

    it 'contains a guest_time member and returns the expected value' do
      expect(@subject).to respond_to(:guest_time)
      expect(@subject.guest_time).to be_kind_of(Integer)
    end

    it 'contains a cguest_time member and returns the expected value' do
      expect(@subject).to respond_to(:cguest_time)
      expect(@subject.cguest_time).to be_kind_of(Integer)
    end

    it 'contains a name member and returns the expected value' do
      expect(@subject).to respond_to(:name)
      expect(@subject.name).to be_kind_of(String)
    end

    it 'contains a uid member and returns the expected value' do
      expect(@subject).to respond_to(:uid)
      expect(@subject.uid).to be_kind_of(Integer)
    end

    it 'contains a euid member and returns the expected value' do
      expect(@subject).to respond_to(:euid)
      expect(@subject.euid).to be_kind_of(Integer)
    end

    it 'contains a gid member and returns the expected value' do
      expect(@subject).to respond_to(:gid)
      expect(@subject.gid).to be_kind_of(Integer)
    end

    it 'contains a egid member and returns the expected value' do
      expect(@subject).to respond_to(:egid)
      expect(@subject.egid).to be_kind_of(Integer)
    end

    it 'contains a pctmem member and returns the expected value' do
      expect(@subject).to respond_to(:pctmem)
      expect(@subject.pctmem).to be_kind_of(Float)
    end

    it 'contains a pctcpu member and returns the expected value' do
      expect(@subject).to respond_to(:pctcpu)
      expect(@subject.pctcpu).to be_kind_of(Float)
    end

    it 'contains a nlwp member and returns the expected value' do
      expect(@subject).to respond_to(:nlwp)
      expect(@subject.nlwp).to be_kind_of(Integer)
    end
  end

  context 'custom structs' do
    it 'contains a cgroup member and returns the expected value' do
      expect(@subject).to respond_to(:cgroup)
      expect(@subject.cgroup).to be_kind_of(Array)
      expect(@subject.cgroup.first).to be_kind_of(Sys::ProcTable::CgroupEntry)
    end

    it 'contains a smaps member and returns the expected value' do
      expect(@subject).to respond_to(:cgroup)
      expect(@subject.smaps).to be_kind_of(Sys::ProcTable::Smaps)
    end
  end

  context 'fields' do
    it 'has a fields method that returns the expected results' do
      expect(described_class).to respond_to(:fields)
      expect(described_class.fields).to be_kind_of(Array)
      expect(described_class.fields).to match_array(fields)
    end
  end
end