add: nproc command with test cases to system core module

CHANGELOG.md

@@ -1,3 +1,6 @@
+## Kanrisuru 0.17.0 (January 20, 2022) ##
+* Add `nproc` command with test cases.
+
 ## Kanrisuru 0.16.17 (January 10, 2022) ##
 *  Add additional options to `wget` command.
 *  Rename some options to better reflect options from wget program.

lib/kanrisuru/core/mount/commands/umount.rb

@@ -16,7 +16,7 @@ def umount(opts = {})
 
         command.append_flag('-l', opts[:lazy])
         command.append_flag('-f', opts[:force])
-        
+
         command.append_flag('--all-targets', opts[:all_targets])
         command.append_flag('--recursive', opts[:recursive])
 

lib/kanrisuru/core/system/commands.rb

@@ -9,6 +9,7 @@
 require_relative 'commands/load_env'
 require_relative 'commands/lscpu'
 require_relative 'commands/lsof'
+require_relative 'commands/nproc'
 require_relative 'commands/poweroff'
 require_relative 'commands/ps'
 require_relative 'commands/reboot'

lib/kanrisuru/core/system/commands/nproc.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+module Kanrisuru
+  module Core
+    module System
+      def nproc(opts = {})
+        command = Kanrisuru::Command.new('nproc')
+        command.append_flag('--all', opts[:all])
+        execute_shell(command)
+
+        Kanrisuru::Result.new(command, &:to_i)
+      end
+    end
+  end
+end

lib/kanrisuru/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Kanrisuru
-  VERSION = '0.16.17'
+  VERSION = '0.17.0'
 end

spec/functional/core/system_spec.rb

@@ -124,6 +124,11 @@
     end.to raise_error(ArgumentError)
   end
 
+  it 'prepares nproc command' do
+    expect_command(host.nproc, 'nproc')
+    expect_command(host.nproc(all: true), 'nproc --all')
+  end
+
   it 'prepares uptime command' do
     expect_command(host.uptime, 'cat /proc/uptime')
   end

spec/functional/core/transfer_spec.rb

@@ -127,23 +127,23 @@
                    "wget --certificate ~/cert.pem --certificate-type PEM --private-key ~/key.pem --private-key-type PEM --ca-certificate ~/ca.pem --random-file ~/random --https-only #{url}")
 
     ## FTP
-    expect_command(host.wget("ftp.example.com",
+    expect_command(host.wget('ftp.example.com',
                              ftp_user: 'admin',
                              ftp_password: '12345678',
                              no_remove_listing: true,
                              no_glob: true,
                              no_passive_ftp: true,
                              retr_symlinks: true,
                              preserve_permissions: true),
-                   "wget --ftp-user admin --ftp-password 12345678 --no-remove-listing --no-glob --no-passive-ftp --retr-symlinks --preserve-permissions ftp.example.com")
+                   'wget --ftp-user admin --ftp-password 12345678 --no-remove-listing --no-glob --no-passive-ftp --retr-symlinks --preserve-permissions ftp.example.com')
 
-    expect_command(host.wget("ftps.example.com",
+    expect_command(host.wget('ftps.example.com',
                              ftp_user: 'admin',
                              ftp_password: '12345678',
                              ftps_implicit: true,
                              no_ftps_resume_ssl: true,
                              ftps_fallback_to_ftp: true,
-                             ftps_clear_data_connection: true), "wget --ftp-user admin --ftp-password 12345678 --ftps-implicit --no-ftps-resume-ssl --ftps-clear-data-connection --ftps-fallback-to-ftp ftps.example.com")
+                             ftps_clear_data_connection: true), 'wget --ftp-user admin --ftp-password 12345678 --ftps-implicit --no-ftps-resume-ssl --ftps-clear-data-connection --ftps-fallback-to-ftp ftps.example.com')
 
     ## Recursive Retrieval
     expect_command(host.wget(url,

spec/support/shared_examples/integration/core/system.rb

@@ -108,6 +108,12 @@
       expect(result).to be_success
     end
 
+    it 'gets nproc count' do
+      result = host.nproc
+      expect(result).to be_success
+      expect(result.to_i).to be > 0
+    end
+
     it 'gets process details' do
       result = host.ps
 

spec/unit/core/system_spec.rb

@@ -30,6 +30,7 @@
     expect(host).to respond_to(:kernel_statistics)
     expect(host).to respond_to(:kstat)
     expect(host).to respond_to(:lsof)
+    expect(host).to respond_to(:nproc)
     expect(host).to respond_to(:last)
     expect(host).to respond_to(:uptime)
     expect(host).to respond_to(:w)