Console printer

Author: Max Rukomoynikov

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --auto-gen-only-exclude`
-# on 2022-05-23 08:35:12 UTC using RuboCop version 1.29.1.
+# on 2022-06-21 14:52:48 UTC using RuboCop version 1.29.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -13,6 +13,12 @@ Gemspec/RequiredRubyVersion:
   Exclude:
     - 'tabled.gemspec'
 
+# Offense count: 1
+# Configuration parameters: AllowComments.
+Lint/EmptyFile:
+  Exclude:
+    - 'lib/parsers/csv_parser.rb'
+
 # Offense count: 3
 # Configuration parameters: IgnoredMethods, CountRepeatedAttributes, Max.
 Metrics/AbcSize:
@@ -29,11 +35,10 @@ Metrics/BlockLength:
     - 'spec/framed/tabled_spec.rb'
     - 'spec/non_framed/tabled_spec.rb'
 
-# Offense count: 2
+# Offense count: 1
 # Configuration parameters: IgnoredMethods, Max.
 Metrics/CyclomaticComplexity:
   Exclude:
-    - 'lib/content_shaper.rb'
     - 'lib/helpers.rb'
 
 # Offense count: 4
@@ -44,11 +49,10 @@ Metrics/MethodLength:
     - 'lib/helpers.rb'
     - 'spec/factories/factory_data.rb'
 
-# Offense count: 2
+# Offense count: 1
 # Configuration parameters: IgnoredMethods, Max.
 Metrics/PerceivedComplexity:
   Exclude:
-    - 'lib/content_shaper.rb'
     - 'lib/helpers.rb'
 
 # Offense count: 1
@@ -57,12 +61,13 @@ RSpec/ExampleLength:
   Exclude:
     - 'spec/framed/tabled_spec.rb'
 
-# Offense count: 6
+# Offense count: 8
 # Configuration parameters: AllowedConstants.
 Style/Documentation:
   Exclude:
     - 'spec/**/*'
     - 'test/**/*'
+    - 'bin/tabled'
     - 'lib/content_shaper.rb'
     - 'lib/helpers.rb'
     - 'lib/tabled.rb'

Gemfile.lock

@@ -1,7 +1,8 @@
 PATH
   remote: .
   specs:
-    tabled (0.0.3)
+    tabled (0.0.4)
+      dry-cli
 
 GEM
   remote: http://rubygems.org/
@@ -10,6 +11,7 @@ GEM
     byebug (11.1.3)
     diff-lcs (1.5.0)
     docile (1.4.0)
+    dry-cli (0.7.0)
     parallel (1.22.1)
     parser (3.1.2.0)
       ast (~> 2.4.1)

README.md

@@ -1,3 +1,4 @@
+
 [![Gem Version](https://badge.fury.io/rb/tabled.svg)](https://badge.fury.io/rb/tabled) ![CI is pasing for ruby 2.6 - 3.0](https://github.com/rukomoynikov/tabled/actions/workflows/linters.yml/badge.svg) ![Downloads](https://badgen.net/rubygems/dt/tabled)
 
 
@@ -58,6 +59,12 @@ Result
 ----------------------------------------------------------------
 ```
 
+# Printing CSV files to console
+As a part of the gem `tabled` binary is included. So, you can basicaly run it like:
+```shell
+tabled print path_to_csv_file
+```
+
 # Contributing
 1. Fork it ( http://github.com/rukomoynikov/tabled/fork )
 2. Create your feature branch (git checkout -b my-new-feature)

bin/tabled

@@ -0,0 +1,32 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require_relative '../lib/tabled'
+require_relative '../lib/parsers/csv_parser'
+require 'dry/cli'
+require 'pathname'
+
+module TabledCli
+  module CLI
+    module Commands
+      extend Dry::CLI::Registry
+
+      class Print < Dry::CLI::Command
+        desc 'Printing CSV to console'
+
+        argument :input, desc: 'Input file to print'
+
+        def call(input: nil, **)
+          return p 'File must be provided' if input.nil?
+          return p 'File doesn\'t exist' unless File.exist?(Pathname.new(input))
+
+          Tabled.new(Tabled::CSVParser.parse(Pathname.new(input))).print_to_console
+        end
+      end
+
+      register 'print', Print, aliases: ['p', '-p', '--print']
+    end
+  end
+end
+
+Dry::CLI.new(TabledCli::CLI::Commands).call

lib/parsers/csv_parser.rb

@@ -0,0 +1,8 @@
+require 'csv'
+class Tabled
+  class CSVParser
+    def self.parse(file_path)
+      ::CSV.read(file_path)
+    end
+  end
+end

spec/binary_reader/binary_spec.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+describe 'Running tabled from console to print CSV file', type: :aruba do
+  context 'when called without file argument' do
+    specify do
+      expect do
+        system('./bin/tabled print')
+      end.to output(/File must be provided/).to_stdout_from_any_process
+    end
+  end
+
+  context 'when file doesn\'t exist' do
+    specify do
+      expect do
+        system('./bin/tabled print file.csv')
+      end.to output(/File doesn't exist/).to_stdout_from_any_process
+    end
+  end
+
+  context 'when file exist' do
+    specify do
+      expect do
+        system('./bin/tabled print spec/fixtures/starwars.csv')
+      end.to output(Factories::ProcessedData::Framed.star_wars_list).to_stdout_from_any_process
+    end
+  end
+end

spec/factories/factory_data.rb

@@ -15,6 +15,28 @@ def raw
   end
 
   class ProcessedData
+    class Framed
+      class << self
+        def star_wars_list
+          ['------------------------------',
+           '| name           height mass |',
+           '------------------------------',
+           '| Luke Skywalker 172     11  |',
+           '------------------------------',
+           '| C-3PO          167    75   |',
+           '------------------------------',
+           '| R2-D2          96     32   |',
+           '------------------------------',
+           '| Darth Vader    202    136  |',
+           '------------------------------',
+           '| Leia Organa    150    49   |',
+           '------------------------------',
+           '| Owen Lars      178    120  |',
+           '------------------------------'].join("\n")
+        end
+      end
+    end
+
     class << self
       def without_row_separator
         [

spec/fixtures/starwars.csv

@@ -0,0 +1,7 @@
+name,height,mass
+Luke Skywalker,172, 11
+C-3PO,167,75
+R2-D2,96,32
+Darth Vader,202,136
+Leia Organa,150,49
+Owen Lars,178,120

spec/framed/tabled_spec.rb

@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require 'tabled'
 
 describe Tabled do

spec/non_framed/tabled_spec.rb

@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+
 require 'tabled'
 
 describe Tabled do