Update README.md with images, change test due to codestyle

README.md

@@ -1,11 +1,29 @@
-# test-task-skeleton
+# Test task skeleton
 **Repository for test task for Ruby Internship 2022**
 
 As participant you should fork this repository, add needed code in file `test_skeleton.rb` and create contribute request to main repository.
 
-Beforehand you should install Ruby 2.7 and gem Rspec (`gem install rspec`)
+***How to fork repository***
 
-Tests should be passed before creating contribute request. For running tests you should run `ruby test.rb` in directory of repository
+![how to fork](./images/1.png)
+
+Beforehand you should install Ruby 2.7 and gem Rspec (`gem install rspec`). Tests should be passed before creating contribute request. For running tests you should run `rspec` in directory of repository
+
+***If you will try run `rspec` after cloning repository to local directory you will get this***
+
+![failed run](./images/2.jpg)
+
+***Then you should add correct code here***
+
+![code](./images/3.png)
+
+***and after that number of failures should decrease, repeat this until you all tests will be passed***
+
+![success](./images/4.jpg)
+
+***After that you could create contribute pull request or just send link of repository***
+
+![contribute](./images/5.jpg)
 
 List of tasks to implement(All credits to https://codewars.com):
 * [Even or Odd](https://github.com/Murchibik/test-task-skeleton/blob/main/test_skeleton.rb#L12)

spec/test_sceleton_spec.rb

@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+require_relative '../test_skeleton.rb'
+
+RSpec.describe TestSkeleton do
+  let(:suite) { described_class.new }
+
+  describe '#even_or_odd' do
+    context 'when number is given' do
+      it 'should return word "even" or "odd"' do
+        expect(suite.even_or_odd(0)).to eq('even')
+        expect(suite.even_or_odd(121)).to eq('odd')
+        expect(suite.even_or_odd(-5)).to eq('odd')
+        expect(suite.even_or_odd(44)).to eq('even')
+      end
+    end
+  end
+
+  describe '#reverse_array' do
+    context 'when number is given' do
+      it 'should return reversed array of digits' do
+        expect(suite.reverse_array(12)).to eq([2, 1])
+        expect(suite.reverse_array(5896)).to eq([6, 9, 8, 5])
+        expect(suite.reverse_array(0)).to eq([0])
+        expect(suite.reverse_array(62854)).to eq([4, 5, 8, 2, 6])
+      end
+    end
+  end
+
+  describe '#high_and_low' do
+    context 'when string with numbers is given' do
+      it 'should return highest and lowest numbers' do
+        expect(suite.high_and_low('0 1 2 3 4 5')).to eq('5 0')
+        expect(suite.high_and_low('-3 -2 -1 0 1 2 3')).to eq('3 -3')
+        expect(suite.high_and_low('0')).to eq('0 0')
+        expect(suite.high_and_low('-3 -2 -1')).to eq('-1 -3')
+      end
+    end
+  end
+
+  describe '#my_languages' do
+    context 'when hash with string keys is given' do
+      it 'should return array of keys where value more than 60' do
+        expect(suite.my_languages('Hindi' => 65, 'Greek' => 70, 'German' => 20)).to eq(%w[Hindi Greek])
+        expect(suite.my_languages({})).to eq([])
+        expect(suite.my_languages('A' => 30, 'B' => 50, 'C' => 25)).to eq([])
+      end
+    end
+  end
+
+  describe '#remove_array_elements' do
+    context 'when two arrays is given' do
+      it 'should return array of numbers that not in second array' do
+        expect(suite.remove_array_elements([1, 2], [1])).to eq([2])
+        expect(suite.remove_array_elements([1, 1, 2, 5, 3, 3], [1, 3])).to eq([2, 5])
+        expect(suite.remove_array_elements([1, 2, 3, 4, nil, nil], [1, 2, nil])).to eq([3, 4])
+      end
+    end
+  end
+
+  describe '#consecutive_duplicates' do
+    context 'when string with words is given' do
+      it 'should return string where words not consecutive repeated' do
+        expect(suite.consecutive_duplicates('aa bb bb cc dd')).to eq('aa bb cc dd')
+        expect(suite.consecutive_duplicates('apple banana cherry')).to eq('apple banana cherry')
+        expect(suite.consecutive_duplicates('aaa aaa aaa bbb bbb bbb aaa aaa ccc ccc ddd')).to eq('aaa bbb aaa ccc ddd')
+      end
+    end
+  end
+
+  describe '#middle_chars' do
+    context 'when string is given' do
+      it 'should return middle character(s) of string' do
+        expect(suite.middle_chars('A')).to eq('A')
+        expect(suite.middle_chars('Cherry')).to eq('r')
+        expect(suite.middle_chars('push')).to eq('us')
+        expect(suite.middle_chars('Do Androids Dream of Electric Sheep?')).to eq(' o')
+      end
+    end
+  end
+
+end