Create Matrixeval::Ruby::Gitignore

Author: hoppergee

.gitignore

@@ -9,4 +9,5 @@
 **/.DS_Store
 test/dummy_gem/matrixeval.yml
 test/dummy_gem/.matrixeval
+test/dummy_gem/.gitignore
 .byebug_history

lib/matrixeval/ruby.rb

@@ -5,6 +5,7 @@
 require 'matrixeval/ruby/context'
 require 'matrixeval/ruby/gemfile_locks'
 require 'matrixeval/ruby/runner'
+require 'matrixeval/ruby/gitignore'
 
 module Matrixeval
   module Ruby

lib/matrixeval/ruby/gitignore.rb

@@ -0,0 +1,54 @@
+module Matrixeval
+  module Ruby
+    class Gitignore
+      class << self
+
+        def update
+          add_docker_compose
+          add_gemfile_locks
+        end
+
+        private
+
+        def add_docker_compose
+          return if docker_compose_included?
+
+          File.open(gitignore_path, 'a+') do |file|
+            file.puts docker_compose_yaml
+          end
+        end
+
+        def add_gemfile_locks
+          return if gemfile_locks_included?
+
+          File.open(gitignore_path, 'a+') do |file|
+            file.puts gemfile_locks
+          end
+        end
+
+        def docker_compose_included?
+          File.exist?(gitignore_path) &&
+            File.read(gitignore_path).include?(docker_compose_yaml)
+        end
+
+        def gemfile_locks_included?
+          File.exist?(gitignore_path) &&
+            File.read(gitignore_path).include?(gemfile_locks)
+        end
+
+        def docker_compose_yaml
+          ".matrixeval/docker-compose.yml"
+        end
+
+        def gemfile_locks
+          ".matrixeval/Gemfile.lock.*"
+        end
+
+        def gitignore_path
+          Matrixeval.working_dir.join(".gitignore")
+        end
+
+      end
+    end
+  end
+end

lib/matrixeval/ruby/runner.rb

@@ -27,6 +27,7 @@ def start
           Config::YAML.create
           DockerCompose::YAML.create
           GemfileLocks.create
+          Gitignore.update
 
           context = Context.find_by_command_options!(command.context_options)
 

test/matrixeval/ruby/gitignore_test.rb

@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+class Matrixeval::Ruby::GitignoreTest < MatrixevalTest
+
+  def setup
+    FileUtils.rm(dummy_gem_working_dir.join(".gitignore")) rescue nil
+    Matrixeval.stubs(:working_dir).returns(dummy_gem_working_dir)
+  end
+
+  def test_create
+    refute File.exist?(dummy_gem_working_dir.join(".gitignore"))
+
+    Matrixeval::Ruby::Gitignore.update
+
+    expected_gitignore_content = <<~GITIGNORE
+      .matrixeval/docker-compose.yml
+      .matrixeval/Gemfile.lock.*
+      GITIGNORE
+    gitignore_content = File.read dummy_gem_working_dir.join(".gitignore")
+    assert_equal expected_gitignore_content, gitignore_content
+  end
+
+  def test_update
+    File.open(dummy_gem_working_dir.join(".gitignore"), 'w+') do |file|
+      file.puts ".env"
+    end
+
+    Matrixeval::Ruby::Gitignore.update
+
+    expected_gitignore_content = <<~GITIGNORE
+      .env
+      .matrixeval/docker-compose.yml
+      .matrixeval/Gemfile.lock.*
+      GITIGNORE
+    gitignore_content = File.read dummy_gem_working_dir.join(".gitignore")
+    assert_equal expected_gitignore_content, gitignore_content
+  end
+
+  def test_update_duplicate_check
+    File.open(dummy_gem_working_dir.join(".gitignore"), 'w+') do |file|
+      file.puts ".env"
+      file.puts ".matrixeval/Gemfile.lock.*"
+    end
+
+    Matrixeval::Ruby::Gitignore.update
+
+    expected_gitignore_content = <<~GITIGNORE
+      .env
+      .matrixeval/Gemfile.lock.*
+      .matrixeval/docker-compose.yml
+      GITIGNORE
+    gitignore_content = File.read dummy_gem_working_dir.join(".gitignore")
+    assert_equal expected_gitignore_content, gitignore_content
+  end
+
+end

test/matrixeval/ruby/runner_test.rb

@@ -9,6 +9,7 @@ def setup
 
     FileUtils.rm(dummy_gem_docker_compose_file_path) rescue nil
     FileUtils.rm(dummy_gem_matrixeval_file_path) rescue nil
+    FileUtils.rm(dummy_gem_working_dir.join(".gitignore")) rescue nil
     FileUtils.rm Dir.glob(dummy_gem_working_dir.join(".matrixeval/Gemfile.lock.*"))
   end