enumerables test

.github/workflows/linters.yml

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+name: Linters
+
+on: pull_request
+
+jobs:
+  rubocop:
+    name: Rubocop
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6.x
+      - name: Setup Rubocop
+        run: |
+          gem install --no-document rubocop:'~>0.81.0' # https://docs.rubocop.org/en/stable/installation/
+          [ -f .rubocop.yml ] || wget https://raw.githubusercontent.com/microverseinc/linters-config/master/ruby/.rubocop.yml
+      - name: Rubocop Report
+        run: rubocop --color

.github/workflows/tests.yml

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+name: Tests
+
+on: pull_request
+
+jobs:
+  rspec:
+    name: RSpec
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: 2.6.x
+      - name: Setup RSpec
+        run: |
+          [ -f Gemfile ] && bundle
+          gem install --no-document rspec:'~>3.0'
+      - name: RSpec Report
+        run: rspec --force-color --format documentation

.rspec

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+--require spec_helper

README.md

@@ -1 +1,49 @@
-# testing_enumerables
+![](https://img.shields.io/badge/Microverse-blueviolet)
+
+# Testing Enumerables with rspec
+
+This is a project to test Enumerable methods by using rspec tests.
+## RSPEC Tests
+RSpec is a testing tool for Ruby. RSpec is a simple and powerful tool to test library for Ruby in production applications.
+## Built With
+
+![Ruby](https://img.shields.io/badge/ruby-%23CC342D.svg?&style=for-the-badge&logo=ruby&logoColor=white)
+![RSpec](https://img.shields.io/badge/rspec-%23CC342D.svg?&style=for-the-badge&logo=ruby&logoColor=white)
+
+## Prerequisites
+
+- Ruby (latest version)
+- RSpec gem
+
+## Getting Started
+
+To get a local copy up and running follow these simple example steps in your terminal.
+
+- `git clone https://github.com/AymenBida/Testing_enumerables.git`
+- `cd Testing_enumerables`
+- `rspec spec/enumerables_spec.rb`
+## Authors
+
+👤 **Prerna Priyali**
+
+- Github: [@prernapriyali](https://github.com/prernapriyali)
+- Twitter: [@twitterhandle](https://twitter.com/prerna96440861)
+
+
+## 🤝 Contributing
+
+Contributions, issues, and feature requests are welcome!
+
+## Show your support
+
+Give a ⭐️ if you like this project and follow the creators' github accounts!
+
+## 📝 License
+
+Copyright 2021 Necmi Gunduz
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

bin/enumerables.rb

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+# rubocop:disable Metrics/CyclomaticComplexity
+# rubocop:disable Metrics/PerceivedComplexity
+# rubocop:disable Metrics/ModuleLength
+
+module Enumerable
+  def my_each
+    return to_enum unless block_given?
+
+    arr = to_a
+    arr.length.times { |e| yield(arr[e]) }
+    self
+  end
+
+  def my_each_with_index
+    return to_enum unless block_given?
+
+    arr = to_a
+    arr.my_each { |index| yield(arr[index], index) }
+    self
+  end
+
+  def my_select
+    if block_given?
+      arr = []
+      my_each { |element| arr.push(element) if yield(element) }
+      arr
+    else
+      to_enum(:my_select)
+    end
+  end
+
+  def my_all?(argm = nil)
+    if block_given?
+      my_each { |element| return false if yield(element) == false }
+      true
+    elsif argm.nil?
+      my_each { |n| return false if n.nil? || n == false }
+    elsif !argm.nil? && (argm.is_a? Class)
+      my_each { |n| return false if n.is_a?(argm) == false }
+    elsif !argm.nil? && argm.class == Regexp
+      my_each { |n| return false unless argm.match(n) }
+    else
+      my_each { |n| return false if n != argm }
+    end
+    true
+  end
+
+  def my_any?(arg = nil)
+    if block_given?
+      my_each { |item| return true if yield(item) }
+      false
+    elsif arg.nil?
+      my_each { |n| return true if n }
+    elsif !arg.nil? && (arg.is_a? Class)
+      my_each { |n| return true if n.is_a?(arg) == true }
+    elsif !arg.nil? && arg.class == Regexp
+      my_each { |n| return true if arg.match(n) }
+    else
+      my_each { |n| return true if n == arg }
+    end
+    false
+  end
+
+  def my_none?(arg = nil)
+    if !block_given? && arg.nil?
+      my_each { |n| return false if n }
+      return true
+    end
+
+    if !block_given? && !arg.nil?
+
+      if arg.is_a?(Class)
+        my_each { |n| return false if n.class == arg }
+        return true
+      end
+
+      if arg.class == Regexp
+        my_each { |n| return false if arg.match(n) }
+        return true
+      end
+
+      my_each { |n| return false if n == arg }
+      return true
+    end
+
+    my_any? { |item| return false if yield(item) }
+    true
+  end
+
+  def my_count(arg = nil)
+    count = 0
+    if block_given?
+      my_each { |i| count += 1 if yield(i) }
+    elsif !arg.nil?
+      my_each { |i| count += 1 if i == arg }
+    else
+      my_each { |i| count += 1 if i }
+    end
+    count
+  end
+
+  def my_map(proc = nil)
+    return to_enum(:my_map) unless block_given?
+
+    result = []
+    my_each { |element| result << proc.call(element) } if block_given? && proc
+    my_each { |element| result << yield(element) } if proc.nil?
+    result
+  end
+
+  def my_inject(number = nil, symbol = nil)
+    return raise LocalJumpError, 'no block given' if !block_given? && number.nil? && symbol.nil?
+
+    if block_given?
+      accum = number
+      my_each do |item|
+        accum = accum.nil? ? item : yield(accum, item)
+      end
+      accum
+    elsif !number.nil? && (number.is_a?(Symbol) || number.is_a?(String))
+      accum = nil
+      my_each do |item|
+        accum = accum.nil? ? item : accum.send(number, item)
+      end
+      accum
+    elsif !symbol.nil? && (symbol.is_a?(Symbol) || symbol.is_a?(String))
+      accum = number
+      my_each do |item|
+        accum = accum.nil? ? item : accum.send(symbol, item)
+      end
+      accum
+    end
+  end
+
+  p [2, 2, 3, 2].my_inject(:+)
+  def my_map_proc
+    arr = []
+    if block_given?
+      my_each do |x|
+        arr.push(yield(x))
+      end
+    else
+      to_enum(:my_map_proc)
+    end
+    arr
+  end
+end
+
+def multiply_els(arr)
+  arr.my_inject { |multiply, element| multiply * element }
+end
+
+# rubocop:enable Metrics/CyclomaticComplexity
+# rubocop:enable Metrics/PerceivedComplexity
+# rubocop:enable Metrics/ModuleLength